switching TPCircularBuffer back to 1.2

Fixed bugs and updated examples for Xcode 7.2 + iOS 9

Classes/Core Components/EZAudioFile.h

@@ -1,368 +0,0 @@
-//
-//  EZAudioFile.h
-//  EZAudio
-//
-//  Created by Syed Haris Ali on 12/1/13.
-//  Copyright (c) 2013 Syed Haris Ali. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import <Foundation/Foundation.h>
-#import <AudioToolbox/AudioToolbox.h>
-#import "EZAudioFloatData.h"
-
-//------------------------------------------------------------------------------
-
-@class EZAudio;
-@class EZAudioFile;
-
-//------------------------------------------------------------------------------
-#pragma mark - Blocks
-//------------------------------------------------------------------------------
-/**
- A block used when returning back the waveform data. The waveform data itself will be an array of float arrays, one for each channel, and the length indicates the total length of each float array.
- @param waveformData An array of float arrays, each representing a channel of audio data from the file
- @param length       An int representing the length of each channel of float audio data
- */
-typedef void (^EZAudioWaveformDataCompletionBlock)(float **waveformData, int length);
-
-//------------------------------------------------------------------------------
-#pragma mark - EZAudioFileDelegate
-//------------------------------------------------------------------------------
-/**
- The EZAudioFileDelegate provides event callbacks for the EZAudioFile object. These type of events are triggered by reads and seeks on the file and gives feedback such as the audio data read as a float array for visualizations and the new seek position for UI updating.
- */
-@protocol EZAudioFileDelegate <NSObject>
-
-@optional
-/**
- Triggered from the EZAudioFile function `readFrames:audioBufferList:bufferSize:eof:` to notify the delegate of the read audio data as a float array instead of a buffer list. Common use case of this would be to visualize the float data using an audio plot or audio data dependent OpenGL sketch.
- @param audioFile        The instance of the EZAudioFile that triggered the event.
- @param buffer           A float array of float arrays holding the audio data. buffer[0] would be the left channel's float array while buffer[1] would be the right channel's float array in a stereo file.
- @param bufferSize       The length of the buffers float arrays
- @param numberOfChannels The number of channels. 2 for stereo, 1 for mono.
- */
-- (void)     audioFile:(EZAudioFile *)audioFile
-             readAudio:(float **)buffer
-        withBufferSize:(UInt32)bufferSize
-  withNumberOfChannels:(UInt32)numberOfChannels;
-
-//------------------------------------------------------------------------------
-
-/**
- Occurs when the audio file's internal seek position has been updated by the EZAudioFile functions `readFrames:audioBufferList:bufferSize:eof:` or `audioFile:updatedPosition:`.
- @param audioFile     The instance of the EZAudio in which the change occured
- @param framePosition The new frame index as a 64-bit signed integer
- */
-- (void)audioFile:(EZAudioFile *)audioFile updatedPosition:(SInt64)framePosition;
-
-@end
-
-//------------------------------------------------------------------------------
-#pragma mark - EZAudioFile
-//------------------------------------------------------------------------------
-/**
- The EZAudioFile provides a lightweight and intuitive way to asynchronously interact with audio files. These interactions included reading audio data, seeking within an audio file, getting information about the file, and pulling the waveform data for visualizing the contents of the audio file. The EZAudioFileDelegate provides event callbacks for when reads, seeks, and various updates happen within the audio file to allow the caller to interact with the action in meaningful ways. Common use cases here could be to read the audio file's data as AudioBufferList structures for output (see EZOutput) and visualizing the audio file's data as a float array using an audio plot (see EZAudioPlot).
- */
-@interface EZAudioFile : NSObject <NSCopying>
-
-//------------------------------------------------------------------------------
-#pragma mark - Properties
-//------------------------------------------------------------------------------
-/**
- A EZAudioFileDelegate for the audio file that is used to return events such as new seek positions within the file and the read audio data as a float array.
- */
-@property (nonatomic, weak) id<EZAudioFileDelegate> delegate;
-
-//------------------------------------------------------------------------------
-#pragma mark - Initialization
-//------------------------------------------------------------------------------
-/**
- @name Initialization
-*/
-
-/**
- Creates a new instance of the EZAudioFile using a file path URL.
- @param url The file path reference of the audio file as an NSURL.
- @return The newly created EZAudioFile instance. nil if the file path does not exist.
- */
-- (instancetype)initWithURL:(NSURL *)url;
-
-/**
- Creates a new instance of the EZAudioFile using a file path URL with a delegate conforming to the EZAudioFileDelegate protocol.
- @param delegate The audio file delegate that receives events specified by the EZAudioFileDelegate protocol
- @param url The file path reference of the audio file as an NSURL.
- @return The newly created EZAudioFile instance.
- */
-- (instancetype)initWithURL:(NSURL *)url
-                   delegate:(id<EZAudioFileDelegate>)delegate;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates a new instance of the EZAudioFile using a file path URL with a delegate conforming to the EZAudioFileDelegate protocol and a client format.
- @param url      The file path reference of the audio file as an NSURL.
- @param delegate The audio file delegate that receives events specified by the EZAudioFileDelegate protocol
- @param clientFormat An AudioStreamBasicDescription that will be used as the client format on the audio file. For instance, the audio file might be in a 22.5 kHz sample rate format in its file format, but your app wants to read the samples at a sample rate of 44.1 kHz so it can iterate with other components (like a audio processing graph) without any weird playback effects. If this initializer is not used then a non-interleaved float format will be assumed.
- @return The newly created EZAudioFile instance.
- */
-- (instancetype)initWithURL:(NSURL *)url
-                   delegate:(id<EZAudioFileDelegate>)delegate
-               clientFormat:(AudioStreamBasicDescription)clientFormat;
-
-//------------------------------------------------------------------------------
-#pragma mark - Class Initializers
-//------------------------------------------------------------------------------
-/**
- @name Class Initializers
- */
-
-/**
- Class method that creates a new instance of the EZAudioFile using a file path URL.
- @param url The file path reference of the audio file as an NSURL.
- @return The newly created EZAudioFile instance.
- */
-+ (instancetype)audioFileWithURL:(NSURL *)url;
-
-//------------------------------------------------------------------------------
-
-/**
- Class method that creates a new instance of the EZAudioFile using a file path URL with a delegate conforming to the EZAudioFileDelegate protocol.
- @param url The file path reference of the audio file as an NSURL.
- @param delegate The audio file delegate that receives events specified by the EZAudioFileDelegate protocol
- @return The newly created EZAudioFile instance.
- */
-+ (instancetype)audioFileWithURL:(NSURL *)url
-                        delegate:(id<EZAudioFileDelegate>)delegate;
-
-//------------------------------------------------------------------------------
-
-/**
- Class method that creates a new instance of the EZAudioFile using a file path URL with a delegate conforming to the EZAudioFileDelegate protocol and a client format.
- @param url The file path reference of the audio file as an NSURL.
- @param delegate The audio file delegate that receives events specified by the EZAudioFileDelegate protocol
- @param clientFormat An AudioStreamBasicDescription that will be used as the client format on the audio file. For instance, the audio file might be in a 22.5 kHz sample rate, interleaved MP3 file format, but your app wants to read linear PCM samples at a sample rate of 44.1 kHz so it can be read in the context of other components sharing a common stream format (like a audio processing graph). If this initializer is not used then the `defaultClientFormat` will be used as teh default value for the client format.
- @return The newly created EZAudioFile instance.
- */
-+ (instancetype)audioFileWithURL:(NSURL *)url
-                        delegate:(id<EZAudioFileDelegate>)delegate
-                    clientFormat:(AudioStreamBasicDescription)clientFormat;
-
-//------------------------------------------------------------------------------
-#pragma mark - Class Methods
-//------------------------------------------------------------------------------
-/**
- @name Class Methods
- */
-
-/**
- A class method that subclasses can override to specify the default client format that will be used to read audio data from this file. A client format is different from the file format in that it is the format of the other components interacting with this file. For instance, the file on disk could be a 22.5 kHz, float format, but we might have an audio processing graph that has a 44.1 kHz, signed integer format that we'd like to interact with. The client format lets us set that 44.1 kHz format on the audio file to properly read samples from it with any interpolation or format conversion that must take place done automatically within the EZAudioFile `readFrames:audioBufferList:bufferSize:eof:` method. Default is stereo, non-interleaved, 44.1 kHz.
- @return An AudioStreamBasicDescription that serves as the audio file's client format.
- */
-+ (AudioStreamBasicDescription)defaultClientFormat;
-
-//------------------------------------------------------------------------------
-
-/**
- A class method that subclasses can override to specify the default sample rate that will be used in the `defaultClientFormat` method. Default is 44100.0 (44.1 kHz).
- @return A Float64 representing the sample rate that should be used in the default client format.
- */
-+ (Float64)defaultClientFormatSampleRate;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides an array of the supported audio files types. Each audio file type is provided as a string, i.e. @"caf". Useful for filtering lists of files in an open panel to only the types allowed.
- @return An array of NSString objects representing the represented file types.
- */
-+ (NSArray *)supportedAudioFileTypes;
-
-//------------------------------------------------------------------------------
-#pragma mark - Events
-//------------------------------------------------------------------------------
-/**
- @name Reading From The Audio File
- */
-
-/**
- Reads a specified number of frames from the audio file. In addition, this will notify the EZAudioFileDelegate (if specified) of the read data as a float array with the audioFile:readAudio:withBufferSize:withNumberOfChannels: event and the new seek position within the file with the audioFile:updatedPosition: event.
- @param frames          The number of frames to read from the file.
- @param audioBufferList An allocated AudioBufferList structure in which to store the read audio data
- @param bufferSize      A pointer to a UInt32 in which to store the read buffersize
- @param eof             A pointer to a BOOL in which to store whether the read operation reached the end of the audio file.
- */
-- (void)readFrames:(UInt32)frames
-   audioBufferList:(AudioBufferList *)audioBufferList
-        bufferSize:(UInt32 *)bufferSize
-               eof:(BOOL *)eof;
-
-//------------------------------------------------------------------------------
-
-/**
- @name Seeking Through The Audio File
- */
-
-/**
- Seeks through an audio file to a specified frame. This will notify the EZAudioFileDelegate (if specified) with the audioFile:updatedPosition: function.
- @param frame The new frame position to seek to as a SInt64.
- */
-- (void)seekToFrame:(SInt64)frame;
-
-//------------------------------------------------------------------------------
-#pragma mark - Getters
-//------------------------------------------------------------------------------
-/**
- @name Getting Information About The Audio File
- */
-
-/**
- Provides the AudioStreamBasicDescription structure used within the app. The file's format will be converted to this format and then sent back as either a float array or a `AudioBufferList` pointer. For instance, the file on disk could be a 22.5 kHz, float format, but we might have an audio processing graph that has a 44.1 kHz, signed integer format that we'd like to interact with. The client format lets us set that 44.1 kHz format on the audio file to properly read samples from it with any interpolation or format conversion that must take place done automatically within the EZAudioFile `readFrames:audioBufferList:bufferSize:eof:` method. Default is stereo, non-interleaved, 44.1 kHz.
- @warning This must be a linear PCM format!
- @return An AudioStreamBasicDescription structure describing the format of the audio file.
- */
-@property (readwrite) AudioStreamBasicDescription clientFormat;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the current offset in the audio file as an NSTimeInterval (i.e. in seconds).  When setting this it will determine the correct frame offset and perform a `seekToFrame` to the new time offset. 
- @warning Make sure the new current time offset is less than the `duration` or you will receive an invalid seek assertion.
- */
-@property (nonatomic, readwrite) NSTimeInterval currentTime;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the duration of the audio file in seconds.
- */
-@property (readonly) NSTimeInterval duration;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the AudioStreamBasicDescription structure containing the format of the file.
- @return An AudioStreamBasicDescription structure describing the format of the audio file.
- */
-@property (readonly) AudioStreamBasicDescription fileFormat;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the current time as an NSString with the time format MM:SS.
- */
-@property (readonly) NSString *formattedCurrentTime;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the duration as an NSString with the time format MM:SS.
- */
-@property (readonly) NSString *formattedDuration;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the frame index (a.k.a the seek positon) within the audio file as SInt64. This can be helpful when seeking through the audio file.
- @return The current frame index within the audio file as a SInt64.
- */
-@property (readonly) SInt64 frameIndex;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides a dictionary containing the metadata (ID3) tags that are included in the header for the audio file. Typically this contains stuff like artist, title, release year, etc.
- @return An NSDictionary containing the metadata for the audio file.
- */
-@property (readonly) NSDictionary *metadata;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the total duration of the audio file in seconds.
- @deprecated This property is deprecated starting in version 0.3.0.
- @note Please use `duration` property instead.
- @return The total duration of the audio file as a Float32.
- */
-@property (readonly) NSTimeInterval totalDuration __attribute__((deprecated));;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the total frame count of the audio file in the client format.
- @return The total number of frames in the audio file in the AudioStreamBasicDescription representing the client format as a SInt64.
- */
-@property (readonly) SInt64 totalClientFrames;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the total frame count of the audio file in the file format.
- @return The total number of frames in the audio file in the AudioStreamBasicDescription representing the file format as a SInt64.
- */
-@property (readonly) SInt64 totalFrames;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the NSURL for the audio file.
- @return An NSURL representing the path of the EZAudioFile instance.
- */
-@property (nonatomic, copy, readonly) NSURL *url;
-
-//------------------------------------------------------------------------------
-#pragma mark - Helpers
-//------------------------------------------------------------------------------
-
-/**
- Synchronously pulls the waveform amplitude data into a float array for the receiver. This returns a waveform with a default resolution of 1024, meaning there are 1024 data points to plot the waveform.
- @param numberOfPoints A UInt32 representing the number of data points you need. The higher the number of points the more detailed the waveform will be.
- @return A EZAudioFloatData instance containing the audio data for all channels of the audio.
- */
-- (EZAudioFloatData *)getWaveformData;
-
-//------------------------------------------------------------------------------
-
-/**
- Synchronously pulls the waveform amplitude data into a float array for the receiver.
-  @param numberOfPoints A UInt32 representing the number of data points you need. The higher the number of points the more detailed the waveform will be.
- @return A EZAudioFloatData instance containing the audio data for all channels of the audio.
- */
-- (EZAudioFloatData *)getWaveformDataWithNumberOfPoints:(UInt32)numberOfPoints;
-
-//------------------------------------------------------------------------------
-
-/**
- Asynchronously pulls the waveform amplitude data into a float array for the receiver. This returns a waveform with a default resolution of 1024, meaning there are 1024 data points to plot the waveform.
- @param completion A EZAudioWaveformDataCompletionBlock that executes when the waveform data has been extracted. Provides a `EZAudioFloatData` instance containing the waveform data for all audio channels.
- */
-- (void)getWaveformDataWithCompletionBlock:(EZAudioWaveformDataCompletionBlock)completion;
-
-//------------------------------------------------------------------------------
-
-/**
- Asynchronously pulls the waveform amplitude data into a float array for the receiver.
- @param numberOfPoints A UInt32 representing the number of data points you need. The higher the number of points the more detailed the waveform will be.
- @param completion A EZAudioWaveformDataCompletionBlock that executes when the waveform data has been extracted. Provides a `EZAudioFloatData` instance containing the waveform data for all audio channels.
- */
-- (void)getWaveformDataWithNumberOfPoints:(UInt32)numberOfPoints
-                               completion:(EZAudioWaveformDataCompletionBlock)completion;
-
-//------------------------------------------------------------------------------
-
-@end

Classes/Core Components/EZAudioPlayer.h

@@ -1,414 +0,0 @@
-//
-//  EZAudioPlayer.h
-//  EZAudio
-//
-//  Created by Syed Haris Ali on 1/16/14.
-//  Copyright (c) 2014 Syed Haris Ali. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import <Foundation/Foundation.h>
-#import "TargetConditionals.h"
-#import "EZAudioFile.h"
-#import "EZOutput.h"
-
-@class EZAudioPlayer;
-
-//------------------------------------------------------------------------------
-#pragma mark - Notifications
-//------------------------------------------------------------------------------
-
-/**
- Notification that occurs whenever the EZAudioPlayer changes its `audioFile` property. Check the new value using the EZAudioPlayer's `audioFile` property.
- */
-FOUNDATION_EXPORT NSString * const EZAudioPlayerDidChangeAudioFileNotification;
-
-/**
- Notification that occurs whenever the EZAudioPlayer changes its `device` property. Check the new value using the EZAudioPlayer's `device` property.
- */
-FOUNDATION_EXPORT NSString * const EZAudioPlayerDidChangeOutputDeviceNotification;
-
-/**
- Notification that occurs whenever the EZAudioPlayer changes its `output` component's `pan` property. Check the new value using the EZAudioPlayer's `pan` property.
- */
-FOUNDATION_EXPORT NSString * const EZAudioPlayerDidChangePanNotification;
-
-/**
- Notification that occurs whenever the EZAudioPlayer changes its `output` component's play state. Check the new value using the EZAudioPlayer's `isPlaying` property.
- */
-FOUNDATION_EXPORT NSString * const EZAudioPlayerDidChangePlayStateNotification;
-
-/**
- Notification that occurs whenever the EZAudioPlayer changes its `output` component's `volume` property. Check the new value using the EZAudioPlayer's `volume` property.
- */
-FOUNDATION_EXPORT NSString * const EZAudioPlayerDidChangeVolumeNotification;
-
-/**
- Notification that occurs whenever the EZAudioPlayer has reached the end of a file and its `shouldLoop` property has been set to NO.
- */
-FOUNDATION_EXPORT NSString * const EZAudioPlayerDidReachEndOfFileNotification;
-
-/**
- Notification that occurs whenever the EZAudioPlayer performs a seek via the `seekToFrame` method or `setCurrentTime:` property setter. Check the new `currentTime` or `frameIndex` value using the EZAudioPlayer's `currentTime` or `frameIndex` property, respectively.
- */
-FOUNDATION_EXPORT NSString * const EZAudioPlayerDidSeekNotification;
-
-//------------------------------------------------------------------------------
-#pragma mark - EZAudioPlayerDelegate
-//------------------------------------------------------------------------------
-
-/**
- The EZAudioPlayerDelegate provides event callbacks for the EZAudioPlayer. Since 0.5.0 the EZAudioPlayerDelegate provides a smaller set of delegate methods in favor of notifications to allow multiple receivers of the EZAudioPlayer event callbacks since only one player is typically used in an application. Specifically, these methods are provided for high frequency callbacks that wrap the EZAudioPlayer's internal EZAudioFile and EZOutput instances.
- @warning These callbacks don't necessarily occur on the main thread so make sure you wrap any UI code in a GCD block like: dispatch_async(dispatch_get_main_queue(), ^{ // Update UI });
- */
-@protocol EZAudioPlayerDelegate <NSObject>
-
-@optional
-
-//------------------------------------------------------------------------------
-
-/**
- Triggered by the EZAudioPlayer's internal EZAudioFile's EZAudioFileDelegate callback and notifies the delegate of the read audio data as a float array instead of a buffer list. Common use case of this would be to visualize the float data using an audio plot or audio data dependent OpenGL sketch.
- @param audioPlayer The instance of the EZAudioPlayer that triggered the event
- @param buffer           A float array of float arrays holding the audio data. buffer[0] would be the left channel's float array while buffer[1] would be the right channel's float array in a stereo file.
- @param bufferSize       The length of the buffers float arrays
- @param numberOfChannels The number of channels. 2 for stereo, 1 for mono.
- @param audioFile   The instance of the EZAudioFile that the event was triggered from
- */
-- (void)  audioPlayer:(EZAudioPlayer *)audioPlayer
-          playedAudio:(float **)buffer
-       withBufferSize:(UInt32)bufferSize
- withNumberOfChannels:(UInt32)numberOfChannels
-          inAudioFile:(EZAudioFile *)audioFile;;
-
-//------------------------------------------------------------------------------
-
-/**
- Triggered by EZAudioPlayer's internal EZAudioFile's EZAudioFileDelegate callback and notifies the delegate of the current playback position. The framePosition provides the current frame position and can be calculated against the EZAudioPlayer's total frames using the `totalFrames` function from the EZAudioPlayer.
- @param audioPlayer The instance of the EZAudioPlayer that triggered the event
- @param framePosition The new frame index as a 64-bit signed integer
- @param audioFile   The instance of the EZAudioFile that the event was triggered from
- */
-- (void)audioPlayer:(EZAudioPlayer *)audioPlayer
-    updatedPosition:(SInt64)framePosition
-        inAudioFile:(EZAudioFile *)audioFile;
-
-@end
-
-//------------------------------------------------------------------------------
-#pragma mark - EZAudioPlayer
-//------------------------------------------------------------------------------
-
-/**
- The EZAudioPlayer provides an interface that combines the EZAudioFile and EZOutput to play local audio files. This class acts as the master delegate (the EZAudioFileDelegate) over whatever EZAudioFile instance, the `audioFile` property, it is using for playback as well as the EZOutputDelegate and EZOutputDataSource over whatever EZOutput instance is set as the `output`. Classes that want to get the EZAudioFileDelegate callbacks should implement the EZAudioPlayer's EZAudioPlayerDelegate on the EZAudioPlayer instance. Since 0.5.0 the EZAudioPlayer offers notifications over the usual delegate methods to allow multiple receivers to get the EZAudioPlayer's state changes since one player will typically be used in one application. The EZAudioPlayerDelegate, the `delegate`, provides callbacks for high frequency methods that simply wrap the EZAudioFileDelegate and EZOutputDelegate callbacks for providing the audio buffer played as well as the position updating (you will typically have one scrub bar in an application).
- */
-@interface EZAudioPlayer : NSObject <EZAudioFileDelegate,
-                                     EZOutputDataSource,
-                                     EZOutputDelegate>
-
-//------------------------------------------------------------------------------
-#pragma mark - Properties
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Properties
-///-----------------------------------------------------------
-
-/**
- The EZAudioPlayerDelegate that will handle the audio player callbacks
- */
-@property (nonatomic, weak) id<EZAudioPlayerDelegate> delegate;
-
-//------------------------------------------------------------------------------
-
-/**
- A BOOL indicating whether the player should loop the file
- */
-@property (nonatomic, assign) BOOL shouldLoop;
-
-//------------------------------------------------------------------------------
-#pragma mark - Initializers
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Initializers
-///-----------------------------------------------------------
-
-/**
- Initializes the EZAudioPlayer with an EZAudioFile instance. This does not use the EZAudioFile by reference, but instead creates a separate EZAudioFile instance with the same file at the given file path provided by the internal NSURL to use for internal seeking so it doesn't cause any locking between the caller's instance of the EZAudioFile.
- @param audioFile The instance of the EZAudioFile to use for initializing the EZAudioPlayer
- @return The newly created instance of the EZAudioPlayer
- */
-- (instancetype)initWithAudioFile:(EZAudioFile *)audioFile;
-
-//------------------------------------------------------------------------------
-
-/**
- Initializes the EZAudioPlayer with an EZAudioFile instance and provides a way to assign the EZAudioPlayerDelegate on instantiation. This does not use the EZAudioFile by reference, but instead creates a separate EZAudioFile instance with the same file at the given file path provided by the internal NSURL to use for internal seeking so it doesn't cause any locking between the caller's instance of the EZAudioFile.
- @param audioFile The instance of the EZAudioFile to use for initializing the EZAudioPlayer
- @param delegate The receiver that will act as the EZAudioPlayerDelegate. Set to nil if it should have no delegate or use the initWithAudioFile: function instead.
- @return The newly created instance of the EZAudioPlayer
- */
-- (instancetype)initWithAudioFile:(EZAudioFile *)audioFile
-                         delegate:(id<EZAudioPlayerDelegate>)delegate;
-
-//------------------------------------------------------------------------------
-
-/**
- Initializes the EZAudioPlayer with an EZAudioPlayerDelegate.
- @param delegate The receiver that will act as the EZAudioPlayerDelegate. Set to nil if it should have no delegate or use the initWithAudioFile: function instead.
- @return The newly created instance of the EZAudioPlayer
- */
-- (instancetype)initWithDelegate:(id<EZAudioPlayerDelegate>)delegate;
-
-//------------------------------------------------------------------------------
-
-/**
- Initializes the EZAudioPlayer with an NSURL instance representing the file path of the audio file.
- @param url The NSURL instance representing the file path of the audio file.
- @return The newly created instance of the EZAudioPlayer
- */
-- (instancetype)initWithURL:(NSURL*)url;
-
-//------------------------------------------------------------------------------
-
-/**
- Initializes the EZAudioPlayer with an NSURL instance representing the file path of the audio file and a caller to assign as the EZAudioPlayerDelegate on instantiation.
- @param url The NSURL instance representing the file path of the audio file.
- @param delegate The receiver that will act as the EZAudioPlayerDelegate. Set to nil if it should have no delegate or use the initWithAudioFile: function instead.
- @return The newly created instance of the EZAudioPlayer
- */
-- (instancetype)initWithURL:(NSURL*)url
-                   delegate:(id<EZAudioPlayerDelegate>)delegate;
-
-//------------------------------------------------------------------------------
-#pragma mark - Class Initializers
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Class Initializers
-///-----------------------------------------------------------
-
-/**
- Class initializer that creates a default EZAudioPlayer.
- @return The newly created instance of the EZAudioPlayer
- */
-+ (instancetype)audioPlayer;
-
-//------------------------------------------------------------------------------
-
-/**
- Class initializer that creates the EZAudioPlayer with an EZAudioFile instance. This does not use the EZAudioFile by reference, but instead creates a separate EZAudioFile instance with the same file at the given file path provided by the internal NSURL to use for internal seeking so it doesn't cause any locking between the caller's instance of the EZAudioFile.
- @param audioFile The instance of the EZAudioFile to use for initializing the EZAudioPlayer
- @return The newly created instance of the EZAudioPlayer
- */
-+ (instancetype)audioPlayerWithAudioFile:(EZAudioFile *)audioFile;
-
-//------------------------------------------------------------------------------
-
-/**
- Class initializer that creates the EZAudioPlayer with an EZAudioFile instance and provides a way to assign the EZAudioPlayerDelegate on instantiation. This does not use the EZAudioFile by reference, but instead creates a separate EZAudioFile instance with the same file at the given file path provided by the internal NSURL to use for internal seeking so it doesn't cause any locking between the caller's instance of the EZAudioFile.
- @param audioFile The instance of the EZAudioFile to use for initializing the EZAudioPlayer
- @param delegate The receiver that will act as the EZAudioPlayerDelegate. Set to nil if it should have no delegate or use the audioPlayerWithAudioFile: function instead.
- @return The newly created instance of the EZAudioPlayer
- */
-+ (instancetype)audioPlayerWithAudioFile:(EZAudioFile *)audioFile
-                                delegate:(id<EZAudioPlayerDelegate>)delegate;
-
-//------------------------------------------------------------------------------
-
-/**
- Class initializer that creates a default EZAudioPlayer with an EZAudioPlayerDelegate..
- @return The newly created instance of the EZAudioPlayer
- */
-+ (instancetype)audioPlayerWithDelegate:(id<EZAudioPlayerDelegate>)delegate;
-
-//------------------------------------------------------------------------------
-
-/**
- Class initializer that creates the EZAudioPlayer with an NSURL instance representing the file path of the audio file.
- @param url The NSURL instance representing the file path of the audio file.
- @return The newly created instance of the EZAudioPlayer
- */
-+ (instancetype)audioPlayerWithURL:(NSURL*)url;
-
-//------------------------------------------------------------------------------
-
-/**
- Class initializer that creates the EZAudioPlayer with an NSURL instance representing the file path of the audio file and a caller to assign as the EZAudioPlayerDelegate on instantiation.
- @param url The NSURL instance representing the file path of the audio file.
- @param delegate The receiver that will act as the EZAudioPlayerDelegate. Set to nil if it should have no delegate or use the audioPlayerWithURL: function instead.
- @return The newly created instance of the EZAudioPlayer
- */
-+ (instancetype)audioPlayerWithURL:(NSURL*)url
-                          delegate:(id<EZAudioPlayerDelegate>)delegate;
-
-//------------------------------------------------------------------------------
-#pragma mark - Singleton
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Shared Instance
-///-----------------------------------------------------------
-
-/**
- The shared instance (singleton) of the audio player. Most applications will only have one instance of the EZAudioPlayer that can be reused with multiple different audio files.
- *  @return The shared instance of the EZAudioPlayer.
- */
-+ (instancetype)sharedAudioPlayer;
-
-//------------------------------------------------------------------------------
-#pragma mark - Properties
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Properties
-///-----------------------------------------------------------
-
-/**
- Provides the EZAudioFile instance that is being used as the datasource for playback. When set it creates a copy of the EZAudioFile provided for internal use. This does not use the EZAudioFile by reference, but instead creates a copy of the EZAudioFile instance provided.
- */
-@property (nonatomic, readwrite, copy) EZAudioFile *audioFile;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the current offset in the audio file as an NSTimeInterval (i.e. in seconds).  When setting this it will determine the correct frame offset and perform a `seekToFrame` to the new time offset.
- @warning Make sure the new current time offset is less than the `duration` or you will receive an invalid seek assertion.
- */
-@property (nonatomic, readwrite) NSTimeInterval currentTime;
-
-//------------------------------------------------------------------------------
-
-/**
- The EZAudioDevice instance that is being used by the `output`. Similarly, setting this just sets the `device` property of the `output`.
- */
-@property (readwrite) EZAudioDevice *device;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the duration of the audio file in seconds.
- */
-@property (readonly) NSTimeInterval duration;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the current time as an NSString with the time format MM:SS.
- */
-@property (readonly) NSString *formattedCurrentTime;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the duration as an NSString with the time format MM:SS.
- */
-@property (readonly) NSString *formattedDuration;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the EZOutput that is being used to handle the actual playback of the audio data. This property is also settable, but note that the EZAudioPlayer will become the output's EZOutputDataSource and EZOutputDelegate. To listen for the EZOutput's delegate methods your view should implement the EZAudioPlayerDelegate and set itself as the EZAudioPlayer's `delegate`.
- */
-@property (nonatomic, strong, readwrite) EZOutput *output;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the frame index (a.k.a the seek positon) within the audio file being used for playback. This can be helpful when seeking through the audio file.
- @return An SInt64 representing the current frame index within the audio file used for playback.
- */
-@property (readonly) SInt64 frameIndex;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides a flag indicating whether the EZAudioPlayer is currently playing back any audio.
- @return A BOOL indicating whether or not the EZAudioPlayer is performing playback,
- */
-@property (readonly) BOOL isPlaying;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the current pan from the audio player's internal `output` component. Setting the pan adjusts the direction of the audio signal from left (0) to right (1). Default is 0.5 (middle).
- */
-@property (nonatomic, assign) float pan;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the total amount of frames in the current audio file being used for playback.
- @return A SInt64 representing the total amount of frames in the current audio file being used for playback.
- */
-@property (readonly) SInt64 totalFrames;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the file path that's currently being used by the player for playback.
- @return  The NSURL representing the file path of the audio file being used for playback.
- */
-@property (nonatomic, copy, readonly) NSURL *url;
-
-//------------------------------------------------------------------------------
-
-/**
-  Provides the current volume from the audio player's internal `output` component. Setting the volume adjusts the gain of the output between 0 and 1. Default is 1.
- */
-@property (nonatomic, assign) float volume;
-
-//------------------------------------------------------------------------------
-#pragma mark - Actions
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Controlling Playback
-///-----------------------------------------------------------
-
-/**
- Starts playback.
- */
-- (void)play;
-
-//------------------------------------------------------------------------------
-
-/**
- Loads an EZAudioFile and immediately starts playing it.
- @param audioFile An EZAudioFile to use for immediate playback.
- */
-- (void)playAudioFile:(EZAudioFile *)audioFile;
-
-//------------------------------------------------------------------------------
-
-/**
- Pauses playback.
- */
-- (void)pause;
-
-//------------------------------------------------------------------------------
-
-/**
- Seeks playback to a specified frame within the internal EZAudioFile. This will notify the EZAudioFileDelegate (if specified) with the audioPlayer:updatedPosition:inAudioFile: function.
- @param frame The new frame position to seek to as a SInt64.
- */
-- (void)seekToFrame:(SInt64)frame;
-
-@end

Classes/Core Components/EZMicrophone.h

@@ -1,372 +0,0 @@
-//
-//  EZMicrophone.h
-//  EZAudio
-//
-//  Created by Syed Haris Ali on 9/2/13.
-//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import <Foundation/Foundation.h>
-#import <AudioToolbox/AudioToolbox.h>
-#import "TargetConditionals.h"
-#import "EZAudioDevice.h"
-#import "EZOutput.h"
-
-@class EZMicrophone;
-
-//------------------------------------------------------------------------------
-#pragma mark - EZMicrophoneDelegate
-//------------------------------------------------------------------------------
-
-/**
- The EZMicrophoneDelegate for the EZMicrophone provides a receiver for the incoming audio data events. When the microphone has been successfully internally configured it will try to send its delegate an AudioStreamBasicDescription describing the format of the incoming audio data. 
- 
- The audio data itself is sent back to the delegate in various forms:
- 
-   -`microphone:hasAudioReceived:withBufferSize:withNumberOfChannels:`
-     Provides float arrays instead of the AudioBufferList structure to hold the audio data. There could be a number of float arrays depending on the number of channels (see the function description below). These are useful for doing any visualizations that would like to make use of the raw audio data.
- 
-   -`microphone:hasBufferList:withBufferSize:withNumberOfChannels:`
-     Provides the AudioBufferList structures holding the audio data. These are the native structures Core Audio uses to hold the buffer information and useful for piping out directly to an output (see EZOutput).
- 
- */
-@protocol EZMicrophoneDelegate <NSObject>
-
-@optional
-///-----------------------------------------------------------
-/// @name Audio Data Description
-///-----------------------------------------------------------
-
-/**
- Called anytime the input device changes on an `EZMicrophone` instance.
- @param microphone The instance of the EZMicrophone that triggered the event.
- @param device The instance of the new EZAudioDevice the microphone is using to pull input.
- */
-- (void)microphone:(EZMicrophone *)microphone changedDevice:(EZAudioDevice *)device;
-
-//------------------------------------------------------------------------------
-
-/**
- Returns back the audio stream basic description as soon as it has been initialized. This is guaranteed to occur before the stream callbacks, `microphone:hasBufferList:withBufferSize:withNumberOfChannels:` or `microphone:hasAudioReceived:withBufferSize:withNumberOfChannels:`
- @param microphone The instance of the EZMicrophone that triggered the event.
- @param audioStreamBasicDescription The AudioStreamBasicDescription that was created for the microphone instance.
- */
-- (void)              microphone:(EZMicrophone *)microphone
-  hasAudioStreamBasicDescription:(AudioStreamBasicDescription)audioStreamBasicDescription;
-
-///-----------------------------------------------------------
-/// @name Audio Data Callbacks
-///-----------------------------------------------------------
-
-/**
- This method provides an array of float arrays of the audio received, each float array representing a channel of audio data This occurs on the background thread so any drawing code must explicity perform its functions on the main thread.
- @param microphone       The instance of the EZMicrophone that triggered the event.
- @param buffer           The audio data as an array of float arrays. In a stereo signal buffer[0] represents the left channel while buffer[1] would represent the right channel.
- @param bufferSize       The size of each of the buffers (the length of each float array).
- @param numberOfChannels The number of channels for the incoming audio.
- @warning This function executes on a background thread to avoid blocking any audio operations. If operations should be performed on any other thread (like the main thread) it should be performed within a dispatch block like so: dispatch_async(dispatch_get_main_queue(), ^{ ...Your Code... })
- */
-- (void)    microphone:(EZMicrophone *)microphone
-      hasAudioReceived:(float **)buffer
-        withBufferSize:(UInt32)bufferSize
-  withNumberOfChannels:(UInt32)numberOfChannels;
-
-//------------------------------------------------------------------------------
-
-/**
- Returns back the buffer list containing the audio received. This occurs on the background thread so any drawing code must explicity perform its functions on the main thread.
- @param microphone       The instance of the EZMicrophone that triggered the event.
- @param bufferList       The AudioBufferList holding the audio data.
- @param bufferSize       The size of each of the buffers of the AudioBufferList.
- @param numberOfChannels The number of channels for the incoming audio.
- @warning This function executes on a background thread to avoid blocking any audio operations. If operations should be performed on any other thread (like the main thread) it should be performed within a dispatch block like so: dispatch_async(dispatch_get_main_queue(), ^{ ...Your Code... })
- */
-- (void)    microphone:(EZMicrophone *)microphone
-         hasBufferList:(AudioBufferList *)bufferList
-        withBufferSize:(UInt32)bufferSize
-  withNumberOfChannels:(UInt32)numberOfChannels;
-
-@end
-
-//------------------------------------------------------------------------------
-#pragma mark - EZMicrophone
-//------------------------------------------------------------------------------
-
-/**
- The EZMicrophone provides a component to get audio data from the default device microphone. On OSX this is the default selected input device in the system preferences while on iOS this defaults to use the default RemoteIO audio unit. The microphone data is converted to a float buffer array and returned back to the caller via the EZMicrophoneDelegate protocol.
- */
-@interface EZMicrophone : NSObject <EZOutputDataSource>
-
-//------------------------------------------------------------------------------
-
-/**
- The EZMicrophoneDelegate for which to handle the microphone callbacks
- */
-@property (nonatomic, weak) id<EZMicrophoneDelegate> delegate;
-
-//------------------------------------------------------------------------------
-
-/**
- The EZAudioDevice being used to pull the microphone data.
- - On iOS this can be any of the available microphones on the iPhone/iPad devices (usually there are 3). Defaults to the first microphone found (bottom mic)
- - On OSX this can be any of the plugged in devices that Core Audio can detect (see kAudioUnitSubType_HALOutput for more information)
- System Preferences -> Sound for the available inputs)
- */
-@property (nonatomic, strong) EZAudioDevice *device;
-
-//------------------------------------------------------------------------------
-
-/**
- A BOOL describing whether the microphone is on and passing back audio data to its delegate.
- */
-@property (nonatomic, assign) BOOL microphoneOn;
-
-//------------------------------------------------------------------------------
-
-/**
- An EZOutput to use for porting the microphone input out (passthrough).
- */
-@property (nonatomic, strong) EZOutput *output;
-
-//------------------------------------------------------------------------------
-#pragma mark - Initializers
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Initializers
-///-----------------------------------------------------------
-
-/**
- Creates an instance of the EZMicrophone with a delegate to respond to the audioReceived callback. This will not start fetching the audio until startFetchingAudio has been called. Use initWithMicrophoneDelegate:startsImmediately: to instantiate this class and immediately start fetching audio data.
- @param 	delegate 	A EZMicrophoneDelegate delegate that will receive the audioReceived callback.
- @return	An instance of the EZMicrophone class. This should be strongly retained.
- */
-- (EZMicrophone *)initWithMicrophoneDelegate:(id<EZMicrophoneDelegate>)delegate;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates an instance of the EZMicrophone with a custom AudioStreamBasicDescription and provides the caller to specify a delegate to respond to the audioReceived callback. This will not start fetching the audio until startFetchingAudio has been called. Use initWithMicrophoneDelegate:startsImmediately: to instantiate this class and immediately start fetching audio data.
- @param 	microphoneDelegate 	        A EZMicrophoneDelegate delegate that will receive the audioReceived callback.
- @param 	audioStreamBasicDescription A custom AudioStreamBasicFormat for the microphone input.
- @return	An instance of the EZMicrophone class. This should be strongly retained.
- */
--(EZMicrophone *)initWithMicrophoneDelegate:(id<EZMicrophoneDelegate>)delegate
-            withAudioStreamBasicDescription:(AudioStreamBasicDescription)audioStreamBasicDescription;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates an instance of the EZMicrophone with a delegate to respond to the audioReceived callback and allows the caller to specify whether they'd immediately like to start fetching the audio data.
- @param 	delegate 	A EZMicrophoneDelegate delegate that will receive the audioReceived callback.
- @param 	startsImmediately 	A boolean indicating whether to start fetching the data immediately. IF YES, the delegate's audioReceived callback will immediately start getting called.
- @return	An instance of the EZMicrophone class. This should be strongly retained.
- */
-- (EZMicrophone *)initWithMicrophoneDelegate:(id<EZMicrophoneDelegate>)delegate
-                           startsImmediately:(BOOL)startsImmediately;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates an instance of the EZMicrophone with a custom AudioStreamBasicDescription and provides the caller with a delegate to respond to the audioReceived callback and allows the caller to specify whether they'd immediately like to start fetching the audio data.
- @param 	delegate 	A EZMicrophoneDelegate delegate that will receive the audioReceived callback.
- @param 	audioStreamBasicDescription A custom AudioStreamBasicFormat for the microphone input.
- @param 	startsImmediately 	A boolean indicating whether to start fetching the data immediately. IF YES, the delegate's audioReceived callback will immediately start getting called.
- @return	An instance of the EZMicrophone class. This should be strongly retained.
- */
-- (EZMicrophone *)initWithMicrophoneDelegate:(id<EZMicrophoneDelegate>)delegate
-             withAudioStreamBasicDescription:(AudioStreamBasicDescription)audioStreamBasicDescription
-                           startsImmediately:(BOOL)startsImmediately;
-
-//------------------------------------------------------------------------------
-#pragma mark - Class Initializers
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Class Initializers
-///-----------------------------------------------------------
-
-/**
- Creates an instance of the EZMicrophone with a delegate to respond to the audioReceived callback. This will not start fetching the audio until startFetchingAudio has been called. Use microphoneWithDelegate:startsImmediately: to instantiate this class and immediately start fetching audio data.
- @param 	delegate 	A EZMicrophoneDelegate delegate that will receive the audioReceived callback.
- @return	An instance of the EZMicrophone class. This should be declared as a strong property!
- */
-+ (EZMicrophone *)microphoneWithDelegate:(id<EZMicrophoneDelegate>)delegate;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates an instance of the EZMicrophone with a delegate to respond to the audioReceived callback. This will not start fetching the audio until startFetchingAudio has been called. Use microphoneWithDelegate:startsImmediately: to instantiate this class and immediately start fetching audio data.
- @param 	delegate 	A EZMicrophoneDelegate delegate that will receive the audioReceived callback.
- @param 	audioStreamBasicDescription A custom AudioStreamBasicFormat for the microphone input.
- @return	An instance of the EZMicrophone class. This should be declared as a strong property!
- */
-+ (EZMicrophone *)microphoneWithDelegate:(id<EZMicrophoneDelegate>)delegate
-         withAudioStreamBasicDescription:(AudioStreamBasicDescription)audioStreamBasicDescription;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates an instance of the EZMicrophone with a delegate to respond to the audioReceived callback and allows the caller to specify whether they'd immediately like to start fetching the audio data.
- 
- @param microphoneDelegate A EZMicrophoneDelegate delegate that will receive the audioReceived callback.
- @param startsImmediately  A boolean indicating whether to start fetching the data immediately. IF YES, the delegate's audioReceived callback will immediately start getting called.
- @return An instance of the EZMicrophone class. This should be strongly retained.
- */
-+ (EZMicrophone *)microphoneWithDelegate:(id<EZMicrophoneDelegate>)delegate
-                        startsImmediately:(BOOL)startsImmediately;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates an instance of the EZMicrophone with a delegate to respond to the audioReceived callback and allows the caller to specify whether they'd immediately like to start fetching the audio data.
- 
- @param microphoneDelegate A EZMicrophoneDelegate delegate that will receive the audioReceived callback.
- @param audioStreamBasicDescription A custom AudioStreamBasicFormat for the microphone input.
- @param startsImmediately  A boolean indicating whether to start fetching the data immediately. IF YES, the delegate's audioReceived callback will immediately start getting called.
- @return An instance of the EZMicrophone class. This should be strongly retained.
- */
-+ (EZMicrophone *)microphoneWithDelegate:(id<EZMicrophoneDelegate>)delegate
-         withAudioStreamBasicDescription:(AudioStreamBasicDescription)audioStreamBasicDescription
-                       startsImmediately:(BOOL)startsImmediately;
-
-//------------------------------------------------------------------------------
-#pragma mark - Shared Instance
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Shared Instance
-///-----------------------------------------------------------
-
-/**
- A shared instance of the microphone component. Most applications will only need to use one instance of the microphone component across multiple views. Make sure to call the `startFetchingAudio` method to receive the audio data in the microphone delegate.
- @return A shared instance of the `EZAudioMicrophone` component.
- */
-+ (EZMicrophone *)sharedMicrophone;
-
-//------------------------------------------------------------------------------
-#pragma mark - Events
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Starting/Stopping The Microphone
-///-----------------------------------------------------------
-
-/**
- Starts fetching audio from the default microphone. Will notify delegate with audioReceived callback.
- */
-- (void)startFetchingAudio;
-
-//------------------------------------------------------------------------------
-
-/**
- Stops fetching audio. Will stop notifying the delegate's audioReceived callback.
- */
-- (void)stopFetchingAudio;
-
-//------------------------------------------------------------------------------
-#pragma mark - Getters
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Getting The Microphone's Audio Format
-///-----------------------------------------------------------
-
-/**
- Provides the AudioStreamBasicDescription structure containing the format of the microphone's audio.
- @return An AudioStreamBasicDescription structure describing the format of the microphone's audio.
- */
-- (AudioStreamBasicDescription)audioStreamBasicDescription;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the underlying Audio Unit that is being used to fetch the audio.
- @return The AudioUnit used for the microphone
- */
-- (AudioUnit *)audioUnit;
-
-//------------------------------------------------------------------------------
-#pragma mark - Setters
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Customizing The Microphone Stream Format
-///-----------------------------------------------------------
-
-/**
- Sets the AudioStreamBasicDescription on the microphone input. Must be linear PCM and must be the same sample rate as the stream format coming in (check the current `audioStreamBasicDescription` before setting).
- @warning Do not set this while fetching audio (startFetchingAudio)
- @param asbd The new AudioStreamBasicDescription to use in place of the current audio format description.
- */
-- (void)setAudioStreamBasicDescription:(AudioStreamBasicDescription)asbd;
-
-///-----------------------------------------------------------
-/// @name Setting The Microphone's Hardware Device
-///-----------------------------------------------------------
-
-/**
- Sets the EZAudioDevice being used to pull the microphone data.
- - On iOS this can be any of the available microphones on the iPhone/iPad devices (usually there are 3). Defaults to the first microphone found (bottom mic)
- - On OSX this can be any of the plugged in devices that Core Audio can detect (see kAudioUnitSubType_HALOutput for more information)
- System Preferences -> Sound for the available inputs)
- @param device An EZAudioDevice instance that should be used to fetch the microphone data.
- */
-- (void)setDevice:(EZAudioDevice *)device;
-
-//------------------------------------------------------------------------------
-#pragma mark - Direct Output
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Setting The Microphone's Output (Direct Out)
-///-----------------------------------------------------------
-
-/**
- When set this will pipe out the contents of the microphone into an EZOutput. This is known as a passthrough or direct out that will simply pipe the microphone input to an output.
- @param output An EZOutput instance that the microphone will use to output its audio data to the speaker.
- */
-- (void)setOutput:(EZOutput *)output;
-
-//------------------------------------------------------------------------------
-#pragma mark - Subclass Methods
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Subclass
-///-----------------------------------------------------------
-
-/**
- The default AudioStreamBasicDescription set as the stream format of the microphone if no custom description is set. Defaults to a non-interleaved float format with the number of channels specified by the `numberOfChannels` method.
- @return An AudioStreamBasicDescription that will be used as the default stream format.
- */
-- (AudioStreamBasicDescription)defaultStreamFormat;
-
-//------------------------------------------------------------------------------
-
-/**
- The number of channels the input microphone is expected to have. Defaults to 1 (assumes microphone is mono).
- @return A UInt32 representing the number of channels expected for the microphone.
- */
-- (UInt32)numberOfChannels;
-
-//------------------------------------------------------------------------------
-
-@end

Classes/Core Components/EZRecorder.h

@@ -1,123 +0,0 @@
-//
-//  EZRecorder.h
-//  EZAudio
-//
-//  Created by Syed Haris Ali on 12/1/13.
-//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import <Foundation/Foundation.h>
-#import <AudioToolbox/AudioToolbox.h>
-
-/**
- To ensure valid recording formats are used when recording to a file the EZRecorderFileType describes the most common file types that a file can be encoded in. Each of these types can be used to output recordings as such:
- 
- EZRecorderFileTypeAIFF - .aif, .aiff, .aifc, .aac
- EZRecorderFileTypeM4A  - .m4a, .mp4
- EZRecorderFileTypeWAV  - .wav
- 
- */
-typedef NS_ENUM(NSInteger, EZRecorderFileType)
-{
-    /**
-     Recording format that describes AIFF file types. These are uncompressed, LPCM files that are completely lossless, but are large in file size.
-     */
-    EZRecorderFileTypeAIFF,
-    /**
-     Recording format that describes M4A file types. These are compressed, but yield great results especially when file size is an issue.
-     */
-    EZRecorderFileTypeM4A,
-    /**
-     Recording format that describes WAV file types. These are uncompressed, LPCM files that are completely lossless, but are large in file size.
-     */
-    EZRecorderFileTypeWAV
-};
-
-/**
- The EZRecorder provides a flexible way to create an audio file and append raw audio data to it. The EZRecorder will convert the incoming audio on the fly to the destination format so no conversion is needed between this and any other component. Right now the only supported output format is 'caf'. Each output file should have its own EZRecorder instance (think 1 EZRecorder = 1 audio file).
- */
-@interface EZRecorder : NSObject
-
-#pragma mark - Initializers
-///-----------------------------------------------------------
-/// @name Initializers
-///-----------------------------------------------------------
-
-/**
- Creates a new instance of an EZRecorder using a destination file path URL and the source format of the incoming audio.
- @param url                 An NSURL specifying the file path location of where the audio file should be written to.
- @param sourceFormat        The AudioStreamBasicDescription for the incoming audio that will be written to the file.
- @param destinationFileType A constant described by the EZRecorderFileType that corresponds to the type of destination file that should be written. For instance, an AAC file written using an '.m4a' extension would correspond to EZRecorderFileTypeM4A. See EZRecorderFileType for all the constants and mapping combinations.
- @return The newly created EZRecorder instance.
- */
--(EZRecorder*)initWithDestinationURL:(NSURL*)url
-                        sourceFormat:(AudioStreamBasicDescription)sourceFormat
-                 destinationFileType:(EZRecorderFileType)destinationFileType;
-
-
-#pragma mark - Class Initializers
-///-----------------------------------------------------------
-/// @name Class Initializers
-///-----------------------------------------------------------
-
-/**
- Class method to create a new instance of an EZRecorder using a destination file path URL and the source format of the incoming audio.
- @param url                 An NSURL specifying the file path location of where the audio file should be written to.
- @param sourceFormat        The AudioStreamBasicDescription for the incoming audio that will be written to the file.
- @param destinationFileType A constant described by the EZRecorderFileType that corresponds to the type of destination file that should be written. For instance, an AAC file written using an '.m4a' extension would correspond to EZRecorderFileTypeM4A. See EZRecorderFileType for all the constants and mapping combinations.
- @return The newly created EZRecorder instance.
- */
-+(EZRecorder*)recorderWithDestinationURL:(NSURL*)url
-                            sourceFormat:(AudioStreamBasicDescription)sourceFormat
-                     destinationFileType:(EZRecorderFileType)destinationFileType;
-
-#pragma mark - Getters
-///-----------------------------------------------------------
-/// @name Getting The Recorder's Properties
-///-----------------------------------------------------------
-/**
- Provides the file path that's currently being used by the recorder.
- @return  The NSURL representing the file path of the audio file path being used for recording.
- */
--(NSURL*)url;
-
-#pragma mark - Events
-///-----------------------------------------------------------
-/// @name Appending Data To The Audio File
-///-----------------------------------------------------------
-
-/**
- Appends audio data to the tail of the output file from an AudioBufferList.
- @param bufferList The AudioBufferList holding the audio data to append
- @param bufferSize The size of each of the buffers in the buffer list.
- */
--(void)appendDataFromBufferList:(AudioBufferList*)bufferList
-                 withBufferSize:(UInt32)bufferSize;
-
-///-----------------------------------------------------------
-/// @name Closing The Audio File
-///-----------------------------------------------------------
-
-/**
- Finishes writes to the audio file and closes it.
- */
--(void)closeAudioFile;
-
-@end

Classes/Core Components/EZRecorder.m

@@ -1,192 +0,0 @@
-//
-//  EZRecorder.m
-//  EZAudio
-//
-//  Created by Syed Haris Ali on 12/1/13.
-//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import "EZRecorder.h"
-#import "EZAudioUtilities.h"
-
-@interface EZRecorder (){
-    ExtAudioFileRef             _destinationFile;
-    AudioFileTypeID             _destinationFileTypeID;
-    CFURLRef                    _destinationFileURL;
-    AudioStreamBasicDescription _destinationFormat;
-    AudioStreamBasicDescription _sourceFormat;
-}
-
-@end
-
-@implementation EZRecorder
-
-#pragma mark - Initializers
--(EZRecorder*)initWithDestinationURL:(NSURL*)url
-                        sourceFormat:(AudioStreamBasicDescription)sourceFormat
-                 destinationFileType:(EZRecorderFileType)destinationFileType
-{
-    self = [super init];
-    if (self)
-    {
-        // Set defaults
-        _destinationFile        = NULL;
-        _destinationFileURL     = (__bridge CFURLRef)url;
-        _sourceFormat           = sourceFormat;
-        _destinationFormat      = [EZRecorder recorderFormatForFileType:destinationFileType
-                                                       withSourceFormat:_sourceFormat];
-        _destinationFileTypeID  = [EZRecorder recorderFileTypeIdForFileType:destinationFileType
-                                                           withSourceFormat:_sourceFormat];
-        
-        // Initializer the recorder instance
-        [self _initializeRecorder];
-    }
-    return self;
-}
-
-#pragma mark - Class Initializers
-+(EZRecorder*)recorderWithDestinationURL:(NSURL*)url
-                            sourceFormat:(AudioStreamBasicDescription)sourceFormat
-                     destinationFileType:(EZRecorderFileType)destinationFileType
-{
-    return [[EZRecorder alloc] initWithDestinationURL:url
-                                         sourceFormat:sourceFormat
-                                  destinationFileType:destinationFileType];
-}
-
-#pragma mark - Private Configuration
-+(AudioStreamBasicDescription)recorderFormatForFileType:(EZRecorderFileType)fileType
-                                       withSourceFormat:(AudioStreamBasicDescription)sourceFormat
-{
-    AudioStreamBasicDescription asbd;
-    switch ( fileType)
-    {
-        case EZRecorderFileTypeAIFF:
-            asbd = [EZAudioUtilities AIFFFormatWithNumberOfChannels:sourceFormat.mChannelsPerFrame
-                                                         sampleRate:sourceFormat.mSampleRate];
-            break;
-        case EZRecorderFileTypeM4A:
-            asbd = [EZAudioUtilities M4AFormatWithNumberOfChannels:sourceFormat.mChannelsPerFrame
-                                                        sampleRate:sourceFormat.mSampleRate];
-            break;
-            
-        case EZRecorderFileTypeWAV:
-            asbd = [EZAudioUtilities stereoFloatInterleavedFormatWithSampleRate:sourceFormat.mSampleRate];
-            break;
-            
-        default:
-            asbd = [EZAudioUtilities stereoCanonicalNonInterleavedFormatWithSampleRate:sourceFormat.mSampleRate];
-            break;
-    }
-    return asbd;
-}
-
-+(AudioFileTypeID)recorderFileTypeIdForFileType:(EZRecorderFileType)fileType
-                               withSourceFormat:(AudioStreamBasicDescription)sourceFormat
-{
-    AudioFileTypeID audioFileTypeID;
-    switch ( fileType)
-    {
-        case EZRecorderFileTypeAIFF:
-            audioFileTypeID = kAudioFileAIFFType;
-            break;
-            
-        case EZRecorderFileTypeM4A:
-            audioFileTypeID = kAudioFileM4AType;
-            break;
-            
-        case EZRecorderFileTypeWAV:
-            audioFileTypeID = kAudioFileWAVEType;
-            break;
-            
-        default:
-            audioFileTypeID = kAudioFileWAVEType;
-            break;
-    }
-    return audioFileTypeID;
-}
-
--(void)_initializeRecorder
-{
-    // Finish filling out the destination format description
-    UInt32 propSize = sizeof(_destinationFormat);
-    [EZAudioUtilities checkResult:AudioFormatGetProperty(kAudioFormatProperty_FormatInfo,
-                                                         0,
-                                                         NULL,
-                                                         &propSize,
-                                                         &_destinationFormat)
-                        operation:"Failed to fill out rest of destination format"];
-    
-    // Create the audio file
-    [EZAudioUtilities checkResult:ExtAudioFileCreateWithURL(_destinationFileURL,
-                                                            _destinationFileTypeID,
-                                                            &_destinationFormat,
-                                                            NULL,
-                                                            kAudioFileFlags_EraseFile,
-                                                            &_destinationFile)
-                        operation:"Failed to create audio file"];
-    
-    // Set the client format (which should be equal to the source format)
-    [EZAudioUtilities checkResult:ExtAudioFileSetProperty(_destinationFile,
-                                                          kExtAudioFileProperty_ClientDataFormat,
-                                                          sizeof(_sourceFormat),
-                                                          &_sourceFormat)
-                        operation:"Failed to set client format on recorded audio file"];
-    
-}
-
-#pragma mark - Events
--(void)appendDataFromBufferList:(AudioBufferList *)bufferList
-                 withBufferSize:(UInt32)bufferSize
-{
-    if (_destinationFile)
-    {
-        [EZAudioUtilities checkResult:ExtAudioFileWriteAsync(_destinationFile,
-                                                             bufferSize,
-                                                             bufferList)
-                   operation:"Failed to write audio data to recorded audio file"];
-    }
-}
-
--(void)closeAudioFile
-{
-    if (_destinationFile)
-    {
-        // Dispose of the audio file reference
-        [EZAudioUtilities checkResult:ExtAudioFileDispose(_destinationFile)
-                            operation:"Failed to close audio file"];
-        
-        // Null out the file reference
-        _destinationFile = NULL;
-    }
-}
-
--(NSURL *)url
-{
-    return (__bridge NSURL*)_destinationFileURL;
-}
-
-#pragma mark - Dealloc
--(void)dealloc
-{
-    [self closeAudioFile];
-}
-
-@end

Classes/External/TPCircularBuffer.h

@@ -1,195 +0,0 @@
-//
-//  TPCircularBuffer.h
-//  Circular/Ring buffer implementation
-//
-//  https://github.com/michaeltyson/TPCircularBuffer
-//
-//  Created by Michael Tyson on 10/12/2011.
-//
-//
-//  This implementation makes use of a virtual memory mapping technique that inserts a virtual copy
-//  of the buffer memory directly after the buffer's end, negating the need for any buffer wrap-around
-//  logic. Clients can simply use the returned memory address as if it were contiguous space.
-//  
-//  The implementation is thread-safe in the case of a single producer and single consumer.
-//
-//  Virtual memory technique originally proposed by Philip Howard (http://vrb.slashusr.org/), and
-//  adapted to Darwin by Kurt Revis (http://www.snoize.com,
-//  http://www.snoize.com/Code/PlayBufferedSoundFile.tar.gz)
-//
-//
-//  Copyright (C) 2012-2013 A Tasty Pixel
-//
-//  This software is provided 'as-is', without any express or implied
-//  warranty.  In no event will the authors be held liable for any damages
-//  arising from the use of this software.
-//
-//  Permission is granted to anyone to use this software for any purpose,
-//  including commercial applications, and to alter it and redistribute it
-//  freely, subject to the following restrictions:
-//
-//  1. The origin of this software must not be misrepresented; you must not
-//     claim that you wrote the original software. If you use this software
-//     in a product, an acknowledgment in the product documentation would be
-//     appreciated but is not required.
-//
-//  2. Altered source versions must be plainly marked as such, and must not be
-//     misrepresented as being the original software.
-//
-//  3. This notice may not be removed or altered from any source distribution.
-//
-
-#ifndef TPCircularBuffer_h
-#define TPCircularBuffer_h
-
-#include <libkern/OSAtomic.h>
-#include <string.h>
-#include <assert.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-    
-typedef struct {
-    void             *buffer;
-    int32_t           length;
-    int32_t           tail;
-    int32_t           head;
-    volatile int32_t  fillCount;
-} TPCircularBuffer;
-
-/*!
- * Initialise buffer
- *
- *  Note that the length is advisory only: Because of the way the
- *  memory mirroring technique works, the true buffer length will
- *  be multiples of the device page size (e.g. 4096 bytes)
- *
- * @param buffer Circular buffer
- * @param length Length of buffer
- */
-bool  TPCircularBufferInit(TPCircularBuffer *buffer, int32_t length);
-
-/*!
- * Cleanup buffer
- *
- *  Releases buffer resources.
- */
-void  TPCircularBufferCleanup(TPCircularBuffer *buffer);
-
-/*!
- * Clear buffer
- *
- *  Resets buffer to original, empty state.
- *
- *  This is safe for use by consumer while producer is accessing 
- *  buffer.
- */
-void  TPCircularBufferClear(TPCircularBuffer *buffer);
-
-// Reading (consuming)
-
-/*!
- * Access end of buffer
- *
- *  This gives you a pointer to the end of the buffer, ready
- *  for reading, and the number of available bytes to read.
- *
- * @param buffer Circular buffer
- * @param availableBytes On output, the number of bytes ready for reading
- * @return Pointer to the first bytes ready for reading, or NULL if buffer is empty
- */
-static __inline__ __attribute__((always_inline)) void* TPCircularBufferTail(TPCircularBuffer *buffer, int32_t* availableBytes) {
-    *availableBytes = buffer->fillCount;
-    if (*availableBytes == 0) return NULL;
-    return (void*)((char*)buffer->buffer + buffer->tail);
-}
-
-/*!
- * Consume bytes in buffer
- *
- *  This frees up the just-read bytes, ready for writing again.
- *
- * @param buffer Circular buffer
- * @param amount Number of bytes to consume
- */
-static __inline__ __attribute__((always_inline)) void TPCircularBufferConsume(TPCircularBuffer *buffer, int32_t amount) {
-    buffer->tail = (buffer->tail + amount) % buffer->length;
-    OSAtomicAdd32Barrier(-amount, &buffer->fillCount);
-    assert(buffer->fillCount >= 0);
-}
-
-/*!
- * Version of TPCircularBufferConsume without the memory barrier, for more optimal use in single-threaded contexts
- */
-static __inline__ __attribute__((always_inline)) void TPCircularBufferConsumeNoBarrier(TPCircularBuffer *buffer, int32_t amount) {
-    buffer->tail = (buffer->tail + amount) % buffer->length;
-    buffer->fillCount -= amount;
-    assert(buffer->fillCount >= 0);
-}
-
-/*!
- * Access front of buffer
- *
- *  This gives you a pointer to the front of the buffer, ready
- *  for writing, and the number of available bytes to write.
- *
- * @param buffer Circular buffer
- * @param availableBytes On output, the number of bytes ready for writing
- * @return Pointer to the first bytes ready for writing, or NULL if buffer is full
- */
-static __inline__ __attribute__((always_inline)) void* TPCircularBufferHead(TPCircularBuffer *buffer, int32_t* availableBytes) {
-    *availableBytes = (buffer->length - buffer->fillCount);
-    if (*availableBytes == 0) return NULL;
-    return (void*)((char*)buffer->buffer + buffer->head);
-}
-    
-// Writing (producing)
-
-/*!
- * Produce bytes in buffer
- *
- *  This marks the given section of the buffer ready for reading.
- *
- * @param buffer Circular buffer
- * @param amount Number of bytes to produce
- */
-static __inline__ __attribute__((always_inline)) void TPCircularBufferProduce(TPCircularBuffer *buffer, int amount) {
-    buffer->head = (buffer->head + amount) % buffer->length;
-    OSAtomicAdd32Barrier(amount, &buffer->fillCount);
-    assert(buffer->fillCount <= buffer->length);
-}
-
-/*!
- * Version of TPCircularBufferProduce without the memory barrier, for more optimal use in single-threaded contexts
- */
-static __inline__ __attribute__((always_inline)) void TPCircularBufferProduceNoBarrier(TPCircularBuffer *buffer, int amount) {
-    buffer->head = (buffer->head + amount) % buffer->length;
-    buffer->fillCount += amount;
-    assert(buffer->fillCount <= buffer->length);
-}
-
-/*!
- * Helper routine to copy bytes to buffer
- *
- *  This copies the given bytes to the buffer, and marks them ready for writing.
- *
- * @param buffer Circular buffer
- * @param src Source buffer
- * @param len Number of bytes in source buffer
- * @return true if bytes copied, false if there was insufficient space
- */
-static __inline__ __attribute__((always_inline)) bool TPCircularBufferProduceBytes(TPCircularBuffer *buffer, const void* src, int32_t len) {
-    int32_t space;
-    void *ptr = TPCircularBufferHead(buffer, &space);
-    if (space < len) return false;
-    memcpy(ptr, src, len);
-    TPCircularBufferProduce(buffer, len);
-    return true;
-}
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif

EZAudio.podspec

@@ -1,27 +1,25 @@
 Pod::Spec.new do |s|
     s.name         = "EZAudio"
-    s.version      = "0.7.1"
+    s.version      = "1.1.3"
     s.summary      = "A simple, intuitive audio framework for iOS and OSX useful for anyone doing audio processing and/or audio-based visualizations."
     s.homepage     = "https://github.com/syedhali/EZAudio"
     s.screenshots  = "https://s3-us-west-1.amazonaws.com/ezaudio-media/EZAudioSummary.png"
     s.license      = { :type => 'MIT', :file => 'LICENSE' }
     s.author       = { "Syed Haris Ali" => "syedhali07@gmail.com" }
-    s.ios.deployment_target = '6.0'
+    s.ios.deployment_target = '8.0'
     s.osx.deployment_target = '10.8'
     s.source       = { :git => "https://github.com/syedhali/EZAudio.git", :tag => s.version }
     s.exclude_files = [ 'EZAudio/VERSION', 'EZAudio/TPCircularBuffer.{h,c}' ]
-    s.ios.frameworks = 'AudioToolbox','AVFoundation','GLKit'
-    s.osx.frameworks = 'AudioToolbox','AudioUnit','CoreAudio','QuartzCore','OpenGL','GLKit'
+    s.ios.frameworks = 'AudioToolbox','AVFoundation','GLKit', 'Accelerate'
+    s.osx.frameworks = 'AudioToolbox','AudioUnit','CoreAudio','QuartzCore','OpenGL','GLKit', 'Accelerate'
     s.requires_arc = true;
     s.default_subspec = 'Full'
-
     s.subspec 'Core' do |core|
         core.source_files  = 'EZAudio/*.{h,m,c}'
     end
     
     s.subspec 'Full' do |full|
-        full.dependency 'TPCircularBuffer', '~> 0.0'
+        full.dependency 'TPCircularBuffer', '~> 1.2'
         full.dependency 'EZAudio/Core'
     end
-
-end
+end

EZAudio.xcodeproj/project.pbxproj

@@ -0,0 +1,587 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
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+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = EZAudioOSX;
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+/* End PBXNativeTarget section */
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+/* Begin PBXProject section */
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+			knownRegions = (
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+/* End PBXResourcesBuildPhase section */
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+/* Begin PBXSourcesBuildPhase section */
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+			buildActionMask = 2147483647;
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+				469F4D2F1B749FEC00666A46 /* EZAudioPlot.m in Sources */,
+				469F4D2D1B749FEC00666A46 /* EZAudioPlayer.m in Sources */,
+				469F4D251B749FEC00666A46 /* EZAudioFFT.m in Sources */,
+				469F4D391B749FEC00666A46 /* EZPlot.m in Sources */,
+				469F4D291B749FEC00666A46 /* EZAudioFloatConverter.m in Sources */,
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+				469F4D3C1B749FEC00666A46 /* TPCircularBuffer.c in Sources */,
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+				469F4D311B749FEC00666A46 /* EZAudioPlotGL.m in Sources */,
+				469F4D331B749FEC00666A46 /* EZAudioUtilities.m in Sources */,
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+				469F4D351B749FEC00666A46 /* EZMicrophone.m in Sources */,
+				469F4D271B749FEC00666A46 /* EZAudioFile.m in Sources */,
+				469F4D231B749FEC00666A46 /* EZAudioDisplayLink.m in Sources */,
+				469F4D371B749FEC00666A46 /* EZOutput.m in Sources */,
+				469F4D211B749FEC00666A46 /* EZAudioDevice.m in Sources */,
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+				8A5A4BC61BBBDD7E00A8A048 /* EZAudioFFT.m in Sources */,
+				8A5A4BC71BBBDD7E00A8A048 /* EZAudioFile.m in Sources */,
+				8A5A4BC81BBBDD7E00A8A048 /* EZAudioFloatConverter.m in Sources */,
+				8A5A4BC91BBBDD7E00A8A048 /* EZAudioFloatData.m in Sources */,
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+				8A5A4BCE1BBBDD7E00A8A048 /* EZMicrophone.m in Sources */,
+				8A5A4BCF1BBBDD7E00A8A048 /* EZOutput.m in Sources */,
+				8A5A4BD01BBBDD7E00A8A048 /* EZPlot.m in Sources */,
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+/* Begin XCBuildConfiguration section */
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+				CLANG_WARN_BOOL_CONVERSION = YES;
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+				CLANG_WARN_ENUM_CONVERSION = YES;
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+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				COPY_PHASE_STRIP = NO;
+				CURRENT_PROJECT_VERSION = 1;
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
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+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
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+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				MTL_ENABLE_DEBUG_INFO = YES;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VERSIONING_SYSTEM = "apple-generic";
+				VERSION_INFO_PREFIX = "";
+			};
+			name = Debug;
+		};
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+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				COPY_PHASE_STRIP = NO;
+				CURRENT_PROJECT_VERSION = 1;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VALIDATE_PRODUCT = YES;
+				VERSIONING_SYSTEM = "apple-generic";
+				VERSION_INFO_PREFIX = "";
+			};
+			name = Release;
+		};
+		469F4CFC1B749F7800666A46 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				DEFINES_MODULE = YES;
+				DYLIB_COMPATIBILITY_VERSION = 1;
+				DYLIB_CURRENT_VERSION = 1;
+				DYLIB_INSTALL_NAME_BASE = "@rpath";
+				INFOPLIST_FILE = EZAudio/Info.plist;
+				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				PRODUCT_BUNDLE_IDENTIFIER = ezaudio.EZAudioiOS;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SKIP_INSTALL = YES;
+			};
+			name = Debug;
+		};
+		469F4CFD1B749F7800666A46 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				DEFINES_MODULE = YES;
+				DYLIB_COMPATIBILITY_VERSION = 1;
+				DYLIB_CURRENT_VERSION = 1;
+				DYLIB_INSTALL_NAME_BASE = "@rpath";
+				INFOPLIST_FILE = EZAudio/Info.plist;
+				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				PRODUCT_BUNDLE_IDENTIFIER = ezaudio.EZAudioiOS;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SKIP_INSTALL = YES;
+			};
+			name = Release;
+		};
+		8A5A4BAE1BBBDCB200A8A048 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				COMBINE_HIDPI_IMAGES = YES;
+				DEFINES_MODULE = YES;
+				DYLIB_COMPATIBILITY_VERSION = 1;
+				DYLIB_CURRENT_VERSION = 1;
+				DYLIB_INSTALL_NAME_BASE = "@rpath";
+				FRAMEWORK_VERSION = A;
+				INFOPLIST_FILE = "$(SRCROOT)/EZAudio/Info.plist";
+				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/Frameworks";
+				MACOSX_DEPLOYMENT_TARGET = 10.8;
+				PRODUCT_BUNDLE_IDENTIFIER = ezaudio.EZAudioOSX;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = macosx;
+				SKIP_INSTALL = YES;
+			};
+			name = Debug;
+		};
+		8A5A4BAF1BBBDCB200A8A048 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				COMBINE_HIDPI_IMAGES = YES;
+				DEFINES_MODULE = YES;
+				DYLIB_COMPATIBILITY_VERSION = 1;
+				DYLIB_CURRENT_VERSION = 1;
+				DYLIB_INSTALL_NAME_BASE = "@rpath";
+				FRAMEWORK_VERSION = A;
+				INFOPLIST_FILE = "$(SRCROOT)/EZAudio/Info.plist";
+				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/Frameworks";
+				MACOSX_DEPLOYMENT_TARGET = 10.8;
+				PRODUCT_BUNDLE_IDENTIFIER = ezaudio.EZAudioOSX;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = macosx;
+				SKIP_INSTALL = YES;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		469F4CED1B749F7800666A46 /* Build configuration list for PBXProject "EZAudio" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				469F4CF91B749F7800666A46 /* Debug */,
+				469F4CFA1B749F7800666A46 /* Release */,
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+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		469F4CFB1B749F7800666A46 /* Build configuration list for PBXNativeTarget "EZAudioiOS" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
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+				469F4CFD1B749F7800666A46 /* Release */,
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+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		8A5A4BAD1BBBDCB200A8A048 /* Build configuration list for PBXNativeTarget "EZAudioOSX" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				8A5A4BAE1BBBDCB200A8A048 /* Debug */,
+				8A5A4BAF1BBBDCB200A8A048 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 469F4CEA1B749F7800666A46 /* Project object */;
+}

EZAudio.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:EZAudioRecordExample.xcodeproj">
+      location = "self:EZAudio.xcodeproj">
    </FileRef>
 </Workspace>

EZAudio.xcodeproj/xcshareddata/xcschemes/EZAudioOSX.xcscheme

@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0700"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "8A5A4B9B1BBBDCB200A8A048"
+               BuildableName = "EZAudioOSX.framework"
+               BlueprintName = "EZAudioOSX"
+               ReferencedContainer = "container:EZAudio.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "8A5A4BA41BBBDCB200A8A048"
+               BuildableName = "EZAudioOSXTests.xctest"
+               BlueprintName = "EZAudioOSXTests"
+               ReferencedContainer = "container:EZAudio.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "8A5A4B9B1BBBDCB200A8A048"
+            BuildableName = "EZAudioOSX.framework"
+            BlueprintName = "EZAudioOSX"
+            ReferencedContainer = "container:EZAudio.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "8A5A4B9B1BBBDCB200A8A048"
+            BuildableName = "EZAudioOSX.framework"
+            BlueprintName = "EZAudioOSX"
+            ReferencedContainer = "container:EZAudio.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "8A5A4B9B1BBBDCB200A8A048"
+            BuildableName = "EZAudioOSX.framework"
+            BlueprintName = "EZAudioOSX"
+            ReferencedContainer = "container:EZAudio.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

EZAudio.xcodeproj/xcshareddata/xcschemes/EZAudioiOS.xcscheme

@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0700"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "469F4CF21B749F7800666A46"
+               BuildableName = "EZAudioiOS.framework"
+               BlueprintName = "EZAudioiOS"
+               ReferencedContainer = "container:EZAudio.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+      </Testables>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "469F4CF21B749F7800666A46"
+            BuildableName = "EZAudioiOS.framework"
+            BlueprintName = "EZAudioiOS"
+            ReferencedContainer = "container:EZAudio.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "469F4CF21B749F7800666A46"
+            BuildableName = "EZAudioiOS.framework"
+            BlueprintName = "EZAudioiOS"
+            ReferencedContainer = "container:EZAudio.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

EZAudio/EZAudio.h

@@ -25,6 +25,12 @@
 
 #import <Foundation/Foundation.h>
 
+//! Project version number for teat.
+FOUNDATION_EXPORT double EZAudioVersionNumber;
+
+//! Project version string for teat.
+FOUNDATION_EXPORT const unsigned char EZAudioVersionString[];
+
 //------------------------------------------------------------------------------
 #pragma mark - Core Components
 //------------------------------------------------------------------------------
@@ -49,6 +55,7 @@
 #pragma mark - Utility Components
 //------------------------------------------------------------------------------
 
+#import "EZAudioFFT.h"
 #import "EZAudioFloatConverter.h"
 #import "EZAudioFloatData.h"
 #import "EZAudioUtilities.h"
@@ -254,7 +261,7 @@
  @note Please use same method in EZAudioUtilities class instead.
  @return A new AudioStreamBasicDescription with the specified format.
  */
-+ (AudioStreamBasicDescription)stereoFloatNonInterleavedFormatWithSampleRate:(float)sameRate __attribute__((deprecated));
++ (AudioStreamBasicDescription)stereoFloatNonInterleavedFormatWithSampleRate:(float)sampleRate __attribute__((deprecated));
 
 //------------------------------------------------------------------------------
 // @name AudioStreamBasicDescription Helper Functions
@@ -498,8 +505,8 @@
 
 /**
  Initializes the circular buffer (just a wrapper around the C method)
- *  @param circularBuffer Pointer to an instance of the TPCircularBuffer
- *  @param size           The length of the TPCircularBuffer (usually 1024)
+ @param circularBuffer Pointer to an instance of the TPCircularBuffer
+ @param size           The length of the TPCircularBuffer (usually 1024)
  @deprecated This method is deprecated starting in version 0.1.0.
  @note Please use same method in EZAudioUtilities class instead.
  */
@@ -518,4 +525,4 @@
 
 //------------------------------------------------------------------------------
 
-@end
+@end

EZAudio/EZAudio.xcworkspace/contents.xcworkspacedata

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Workspace
-   version = "1.0">
-   <FileRef
-      location = "group:OSX/EZAudio.xcodeproj">
-   </FileRef>
-   <FileRef
-      location = "group:iOS/EZAudio.xcodeproj">
-   </FileRef>
-</Workspace>

EZAudio/EZAudioDevice.h

@@ -1,10 +1,27 @@
 //
 //  EZAudioDevice.h
-//  MicrophoneTest
+//  EZAudio
 //
-//  Created by Syed Haris Ali on 4/3/15.
+//  Created by Syed Haris Ali on 6/25/15.
 //  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
 //
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
 
 #import <Foundation/Foundation.h>
 #import <AudioToolbox/AudioToolbox.h>
@@ -27,6 +44,22 @@
 // @name Getting The Devices
 //------------------------------------------------------------------------------
 
+/**
+ Provides the current EZAudioDevice that is being used to pull input.
+ @return An EZAudioDevice instance representing the currently selected input device.
+ */
++ (EZAudioDevice *)currentInputDevice;
+
+//------------------------------------------------------------------------------
+
+/**
+ Provides the current EZAudioDevice that is being used to output audio.
+ @return An EZAudioDevice instance representing the currently selected ouotput device.
+ */
++ (EZAudioDevice *)currentOutputDevice;
+
+//------------------------------------------------------------------------------
+
 /**
  Enumerates all the available input devices and returns the result in an NSArray of EZAudioDevice instances.
  @return An NSArray containing EZAudioDevice instances, one for each available input device.
@@ -43,20 +76,6 @@
 
 #if TARGET_OS_IPHONE
 
-/**
- Provides the current EZAudioDevice that is being used to pull input.
-    - iOS only
- @return An EZAudioDevice instance representing the currently selected input device.
- */
-+ (EZAudioDevice *)currentInputDevice;
-
-/**
- Provides the current EZAudioDevice that is being used to output audio.
-    - iOS only
- @return An EZAudioDevice instance representing the currently selected ouotput device.
- */
-+ (EZAudioDevice *)currentOutputDevice;
-
 //------------------------------------------------------------------------------
 
 /**
@@ -165,4 +184,4 @@
 
 #endif
 
-@end
+@end

EZAudio/EZAudioDevice.m

@@ -1,10 +1,27 @@
 //
 //  EZAudioDevice.m
-//  MicrophoneTest
+//  EZAudio
 //
-//  Created by Syed Haris Ali on 4/3/15.
+//  Created by Syed Haris Ali on 6/25/15.
 //  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
 //
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
 
 #import "EZAudioDevice.h"
 #import "EZAudioUtilities.h"
@@ -217,11 +234,11 @@
     AudioObjectPropertyAddress address = [self addressForPropertySelector:kAudioHardwarePropertyDevices];
     UInt32 devicesDataSize;
     [EZAudioUtilities checkResult:AudioObjectGetPropertyDataSize(kAudioObjectSystemObject,
-                                                     &address,
-                                                     0,
-                                                     NULL,
-                                                     &devicesDataSize)
-            operation:"Failed to get data size"];
+                                                                 &address,
+                                                                 0,
+                                                                 NULL,
+                                                                 &devicesDataSize)
+                        operation:"Failed to get data size"];
     
     // enumerate devices
     NSInteger count = devicesDataSize / sizeof(AudioDeviceID);
@@ -271,6 +288,44 @@
 
 //------------------------------------------------------------------------------
 
++ (EZAudioDevice *)deviceWithPropertySelector:(AudioObjectPropertySelector)propertySelector
+{
+    AudioDeviceID deviceID;
+    UInt32 propSize = sizeof(AudioDeviceID);
+    AudioObjectPropertyAddress address = [self addressForPropertySelector:propertySelector];
+    [EZAudioUtilities checkResult:AudioObjectGetPropertyData(kAudioObjectSystemObject,
+                                                             &address,
+                                                             0,
+                                                             NULL,
+                                                             &propSize,
+                                                             &deviceID)
+                        operation:"Failed to get device device on OSX"];
+    EZAudioDevice *device = [[EZAudioDevice alloc] init];
+    device.deviceID = deviceID;
+    device.manufacturer = [self manufacturerForDeviceID:deviceID];
+    device.name = [self namePropertyForDeviceID:deviceID];
+    device.UID = [self UIDPropertyForDeviceID:deviceID];
+    device.inputChannelCount = [self channelCountForScope:kAudioObjectPropertyScopeInput forDeviceID:deviceID];
+    device.outputChannelCount = [self channelCountForScope:kAudioObjectPropertyScopeOutput forDeviceID:deviceID];
+    return device;
+}
+
+//------------------------------------------------------------------------------
+
++ (EZAudioDevice *)currentInputDevice
+{
+    return [self deviceWithPropertySelector:kAudioHardwarePropertyDefaultInputDevice];
+}
+
+//------------------------------------------------------------------------------
+
++ (EZAudioDevice *)currentOutputDevice
+{
+    return [self deviceWithPropertySelector:kAudioHardwarePropertyDefaultOutputDevice];
+}
+
+//------------------------------------------------------------------------------
+
 + (NSArray *)inputDevices
 {
     __block NSMutableArray *devices = [NSMutableArray array];

EZAudio/EZAudioFFT.h

@@ -0,0 +1,392 @@
+//
+//  EZAudioFFT.h
+//  EZAudio
+//
+//  Created by Syed Haris Ali on 7/10/15.
+//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+#import <Accelerate/Accelerate.h>
+
+@class EZAudioFFT;
+
+//------------------------------------------------------------------------------
+#pragma mark - EZAudioFFTDelegate
+//------------------------------------------------------------------------------
+
+/**
+ The EZAudioFFTDelegate provides event callbacks for the EZAudioFFT (and subclasses such as the EZAudioFFTRolling) whenvever the FFT is computed.
+ */
+@protocol EZAudioFFTDelegate <NSObject>
+
+@optional
+
+///-----------------------------------------------------------
+/// @name Getting FFT Output Data
+///-----------------------------------------------------------
+
+/**
+ Triggered when the EZAudioFFT computes an FFT from a buffer of input data. Provides an array of float data representing the computed FFT.
+ @param fft        The EZAudioFFT instance that triggered the event.
+ @param fftData    A float pointer representing the float array of FFT data.
+ @param bufferSize A vDSP_Length (unsigned long) representing the length of the float array.
+ */
+- (void)        fft:(EZAudioFFT *)fft
+ updatedWithFFTData:(float *)fftData
+         bufferSize:(vDSP_Length)bufferSize;
+
+@end
+
+//------------------------------------------------------------------------------
+#pragma mark - EZAudioFFT
+//------------------------------------------------------------------------------
+
+/**
+ The EZAudioFFT provides a base class to quickly calculate the FFT of incoming audio data using the Accelerate framework. In addition, the EZAudioFFT contains an EZAudioFFTDelegate to receive an event anytime an FFT is computed.
+ */
+@interface EZAudioFFT : NSObject
+
+//------------------------------------------------------------------------------
+#pragma mark - Initializers
+//------------------------------------------------------------------------------
+
+///-----------------------------------------------------------
+/// @name Initializers
+///-----------------------------------------------------------
+
+/**
+ Initializes an EZAudioFFT (or subclass) instance with a maximum buffer size and sample rate. The sample rate is used specifically to calculate the `maxFrequency` property. If you don't care about the `maxFrequency` property then you can set the sample rate to 0.
+ @param maximumBufferSize A vDSP_Length (unsigned long) representing the maximum length of the incoming audio data.
+ @param sampleRate        A float representing the sample rate of the incoming audio data.
+ 
+ @return A newly created EZAudioFFT (or subclass) instance.
+ */
+- (instancetype)initWithMaximumBufferSize:(vDSP_Length)maximumBufferSize
+                               sampleRate:(float)sampleRate;
+
+//------------------------------------------------------------------------------
+
+/**
+ Initializes an EZAudioFFT (or subclass) instance with a maximum buffer size, sample rate, and EZAudioFFTDelegate. The sample rate is used specifically to calculate the `maxFrequency` property. If you don't care about the `maxFrequency` property then you can set the sample rate to 0. The EZAudioFFTDelegate will act as a receive to get an event whenever the FFT is calculated.
+ @param maximumBufferSize A vDSP_Length (unsigned long) representing the maximum length of the incoming audio data.
+ @param sampleRate        A float representing the sample rate of the incoming audio data.
+ @param delegate          An EZAudioFFTDelegate to receive an event whenever the FFT is calculated.
+ @return A newly created EZAudioFFT (or subclass) instance.
+ */
+- (instancetype)initWithMaximumBufferSize:(vDSP_Length)maximumBufferSize
+                               sampleRate:(float)sampleRate
+                                 delegate:(id<EZAudioFFTDelegate>)delegate;
+
+//------------------------------------------------------------------------------
+#pragma mark - Class Initializers
+//------------------------------------------------------------------------------
+
+///-----------------------------------------------------------
+/// @name Class Initializers
+///-----------------------------------------------------------
+
+/**
+ Class method to initialize an EZAudioFFT (or subclass) instance with a maximum buffer size and sample rate. The sample rate is used specifically to calculate the `maxFrequency` property. If you don't care about the `maxFrequency` property then you can set the sample rate to 0.
+ @param maximumBufferSize A vDSP_Length (unsigned long) representing the maximum length of the incoming audio data.
+ @param sampleRate        A float representing the sample rate of the incoming audio data.
+ @return A newly created EZAudioFFT (or subclass) instance.
+ */
++ (instancetype)fftWithMaximumBufferSize:(vDSP_Length)maximumBufferSize
+                              sampleRate:(float)sampleRate;
+
+//------------------------------------------------------------------------------
+
+/**
+ Class method to initialize an EZAudioFFT (or subclass) instance with a maximum buffer size, sample rate, and EZAudioFFTDelegate. The sample rate is used specifically to calculate the `maxFrequency` property. If you don't care about the `maxFrequency` property then you can set the sample rate to 0. The EZAudioFFTDelegate will act as a receive to get an event whenever the FFT is calculated.
+ @param maximumBufferSize A vDSP_Length (unsigned long) representing the maximum length of the incoming audio data.
+ @param sampleRate        A float representing the sample rate of the incoming audio data.
+ @param delegate          An EZAudioFFTDelegate to receive an event whenever the FFT is calculated.
+ @return A newly created EZAudioFFT (or subclass) instance.
+ */
++ (instancetype)fftWithMaximumBufferSize:(vDSP_Length)maximumBufferSize
+                              sampleRate:(float)sampleRate
+                                delegate:(id<EZAudioFFTDelegate>)delegate;
+
+//------------------------------------------------------------------------------
+#pragma mark - Properties
+//------------------------------------------------------------------------------
+
+///-----------------------------------------------------------
+/// @name Properties
+///-----------------------------------------------------------
+
+/**
+ An EZAudioFFTDelegate to receive an event whenever the FFT is calculated.
+ */
+@property (weak, nonatomic) id<EZAudioFFTDelegate> delegate;
+
+//------------------------------------------------------------------------------
+
+/**
+ A COMPLEX_SPLIT data structure used to hold the FFT's imaginary and real components.
+ */
+@property (readonly, nonatomic) COMPLEX_SPLIT complexSplit;
+
+//------------------------------------------------------------------------------
+
+/**
+ A float array containing the last calculated FFT data.
+ */
+@property (readonly, nonatomic) float *fftData;
+
+//------------------------------------------------------------------------------
+
+/**
+ An FFTSetup data structure used to internally calculate the FFT using Accelerate.
+ */
+@property (readonly, nonatomic) FFTSetup fftSetup;
+
+//------------------------------------------------------------------------------
+
+/**
+ A float array containing the last calculated inverse FFT data (the time domain signal).
+ */
+@property (readonly, nonatomic) float *inversedFFTData;
+
+//------------------------------------------------------------------------------
+
+/**
+ A float representing the frequency with the highest energy is the last FFT calculation.
+ */
+@property (readonly, nonatomic) float maxFrequency;
+
+//------------------------------------------------------------------------------
+
+/**
+ A vDSP_Length (unsigned long) representing the index of the frequency with the highest energy is the last FFT calculation.
+ */
+@property (readonly, nonatomic) vDSP_Length maxFrequencyIndex;
+
+//------------------------------------------------------------------------------
+
+/**
+ A float representing the magnitude of the frequency with the highest energy is the last FFT calculation.
+ */
+@property (readonly, nonatomic) float maxFrequencyMagnitude;
+
+//------------------------------------------------------------------------------
+
+/**
+ A vDSP_Length (unsigned long) representing the maximum buffer size. This is the maximum length the incoming audio data in the `computeFFTWithBuffer:withBufferSize` method can be.
+ */
+@property (readonly, nonatomic) vDSP_Length maximumBufferSize;
+
+//------------------------------------------------------------------------------
+
+/**
+ A float representing the sample rate of the incoming audio data.
+ */
+@property (readwrite, nonatomic) float sampleRate;
+
+//------------------------------------------------------------------------------
+#pragma mark - Actions
+//------------------------------------------------------------------------------
+
+///-----------------------------------------------------------
+/// @name Computing The FFT
+///-----------------------------------------------------------
+
+/**
+ Computes the FFT for a float array representing an incoming audio signal. This will trigger the EZAudioFFTDelegate method `fft:updatedWithFFTData:bufferSize:`.
+ @param buffer     A float array representing the audio data.
+ @param bufferSize The length of the float array of audio data.
+ @return A float array containing the computed FFT data. The length of the output will be half the incoming buffer (half the `bufferSize` argument).
+ */
+- (float *)computeFFTWithBuffer:(float *)buffer withBufferSize:(UInt32)bufferSize;
+
+//------------------------------------------------------------------------------
+
+/**
+ Provides the frequency corresponding to an index in the last computed FFT data.
+ @param index A vDSP_Length (unsigned integer) representing the index of the frequency bin value you'd like to get
+ @return A float representing the frequency value at that index.
+ */
+- (float)frequencyAtIndex:(vDSP_Length)index;
+
+//------------------------------------------------------------------------------
+
+/**
+ Provides the magnitude of the frequenecy corresponding to an index in the last computed FFT data.
+ @param index A vDSP_Length (unsigned integer) representing the index of the frequency bin value you'd like to get
+ @return A float representing the frequency magnitude value at that index.
+ */
+- (float)frequencyMagnitudeAtIndex:(vDSP_Length)index;
+
+@end
+
+//------------------------------------------------------------------------------
+#pragma mark - EZAudioFFTRolling
+//------------------------------------------------------------------------------
+
+/**
+ The EZAudioFFTRolling, a subclass of EZAudioFFT, provides a class to calculate an FFT for an incoming audio signal while maintaining a history of audio data to allow much higher resolution FFTs. For instance, the EZMicrophone typically provides 512 frames at a time, but you would probably want to provide 2048 or 4096 frames for a decent looking FFT if you're trying to extract precise frequency components. You will typically be using this class for variable length FFTs instead of the EZAudioFFT base class.
+ */
+@interface EZAudioFFTRolling : EZAudioFFT
+
+//------------------------------------------------------------------------------
+#pragma mark - Initializers
+//------------------------------------------------------------------------------
+
+///-----------------------------------------------------------
+/// @name Initializers
+///-----------------------------------------------------------
+
+/**
+ Initializes an EZAudioFFTRolling instance with a window size and a sample rate. The EZAudioFFTRolling has an internal EZPlotHistoryInfo data structure that writes audio data to a circular buffer and manages sliding windows of audio data to support efficient, large FFT calculations. Here you provide a window size that represents how many audio sample will be used to calculate the FFT and a float representing the sample rate of the incoming audio (can be 0 if you don't care about the `maxFrequency` property). The history buffer size in this case is the `windowSize` * 8, which is pretty good for most cases.
+ @param windowSize        A vDSP_Length (unsigned long) representing the size of the window (i.e. the resolution) of data that should be used to calculate the FFT. A typical value for this would be something like 1024 - 4096 (or higher for an even higher resolution FFT).
+ @param sampleRate        A float representing the sample rate of the incoming audio signal.
+ @return A newly created EZAudioFFTRolling instance.
+ */
+- (instancetype)initWithWindowSize:(vDSP_Length)windowSize
+                        sampleRate:(float)sampleRate;
+
+//------------------------------------------------------------------------------
+
+/**
+ Initializes an EZAudioFFTRolling instance with a window size, a sample rate, and an EZAudioFFTDelegate. The EZAudioFFTRolling has an internal EZPlotHistoryInfo data structure that writes audio data to a circular buffer and manages sliding windows of audio data to support efficient, large FFT calculations. Here you provide a window size that represents how many audio sample will be used to calculate the FFT, a float representing the sample rate of the incoming audio (can be 0 if you don't care about the `maxFrequency` property), and an EZAudioFFTDelegate to receive a callback anytime the FFT is calculated. The history buffer size in this case is the `windowSize` * 8, which is pretty good for most cases.
+ @param windowSize        A vDSP_Length (unsigned long) representing the size of the window (i.e. the resolution) of data that should be used to calculate the FFT. A typical value for this would be something like 1024 - 4096 (or higher for an even higher resolution FFT).
+ @param sampleRate        A float representing the sample rate of the incoming audio signal.
+ @param delegate          An EZAudioFFTDelegate to receive an event whenever the FFT is calculated.
+ @return A newly created EZAudioFFTRolling instance.
+ */
+- (instancetype)initWithWindowSize:(vDSP_Length)windowSize
+                        sampleRate:(float)sampleRate
+                          delegate:(id<EZAudioFFTDelegate>)delegate;
+
+//------------------------------------------------------------------------------
+
+/**
+ Initializes an EZAudioFFTRolling instance with a window size, a history buffer size, and a sample rate. The EZAudioFFTRolling has an internal EZPlotHistoryInfo data structure that writes audio data to a circular buffer and manages sliding windows of audio data to support efficient, large FFT calculations. Here you provide a window size that represents how many audio sample will be used to calculate the FFT, a history buffer size representing the maximum length of the sliding window's underlying circular buffer, and a float representing the sample rate of the incoming audio (can be 0 if you don't care about the `maxFrequency` property).
+ @param windowSize        A vDSP_Length (unsigned long) representing the size of the window (i.e. the resolution) of data that should be used to calculate the FFT. A typical value for this would be something like 1024 - 4096 (or higher for an even higher resolution FFT).
+ @param historyBufferSize A vDSP_Length (unsigned long) representing the length of the history buffer. This should be AT LEAST the size of the window. A recommended value for this would be at least 8x greater than the `windowSize` argument.
+ @param sampleRate        A float representing the sample rate of the incoming audio signal.
+ @return A newly created EZAudioFFTRolling instance.
+ */
+- (instancetype)initWithWindowSize:(vDSP_Length)windowSize
+                 historyBufferSize:(vDSP_Length)historyBufferSize
+                        sampleRate:(float)sampleRate;
+
+//------------------------------------------------------------------------------
+
+/**
+ Initializes an EZAudioFFTRolling instance with a window size, a history buffer size, a sample rate, and an EZAudioFFTDelegate. The EZAudioFFTRolling has an internal EZPlotHistoryInfo data structure that writes audio data to a circular buffer and manages sliding windows of audio data to support efficient, large FFT calculations. Here you provide a window size that represents how many audio sample will be used to calculate the FFT, a history buffer size representing the maximum length of the sliding window's underlying circular buffer, a float representing the sample rate of the incoming audio (can be 0 if you don't care about the `maxFrequency` property), and an EZAudioFFTDelegate to receive a callback anytime the FFT is calculated.
+ @param windowSize        A vDSP_Length (unsigned long) representing the size of the window (i.e. the resolution) of data that should be used to calculate the FFT. A typical value for this would be something like 1024 - 4096 (or higher for an even higher resolution FFT).
+ @param historyBufferSize A vDSP_Length (unsigned long) representing the length of the history buffer. This should be AT LEAST the size of the window. A recommended value for this would be at least 8x greater than the `windowSize` argument.
+ @param sampleRate        A float representing the sample rate of the incoming audio signal.
+ @param delegate          An EZAudioFFTDelegate to receive an event whenever the FFT is calculated.
+ @return A newly created EZAudioFFTRolling instance.
+ */
+- (instancetype)initWithWindowSize:(vDSP_Length)windowSize
+                 historyBufferSize:(vDSP_Length)historyBufferSize
+                        sampleRate:(float)sampleRate
+                          delegate:(id<EZAudioFFTDelegate>)delegate;
+
+//------------------------------------------------------------------------------
+#pragma mark - Class Initializers
+//------------------------------------------------------------------------------
+
+///-----------------------------------------------------------
+/// @name Class Initializers
+///-----------------------------------------------------------
+
+/**
+ Class method to initialize an EZAudioFFTRolling instance with a window size and a sample rate. The EZAudioFFTRolling has an internal EZPlotHistoryInfo data structure that writes audio data to a circular buffer and manages sliding windows of audio data to support efficient, large FFT calculations. Here you provide a window size that represents how many audio sample will be used to calculate the FFT and a float representing the sample rate of the incoming audio (can be 0 if you don't care about the `maxFrequency` property). The history buffer size in this case is the `windowSize` * 8, which is pretty good for most cases.
+ @param windowSize        A vDSP_Length (unsigned long) representing the size of the window (i.e. the resolution) of data that should be used to calculate the FFT. A typical value for this would be something like 1024 - 4096 (or higher for an even higher resolution FFT).
+ @param sampleRate        A float representing the sample rate of the incoming audio signal.
+ @return A newly created EZAudioFFTRolling instance.
+ */
++ (instancetype)fftWithWindowSize:(vDSP_Length)windowSize
+                       sampleRate:(float)sampleRate;
+
+//------------------------------------------------------------------------------
+
+/**
+ Class method to initialize an EZAudioFFTRolling instance with a window size, a sample rate, and an EZAudioFFTDelegate. The EZAudioFFTRolling has an internal EZPlotHistoryInfo data structure that writes audio data to a circular buffer and manages sliding windows of audio data to support efficient, large FFT calculations. Here you provide a window size that represents how many audio sample will be used to calculate the FFT, a float representing the sample rate of the incoming audio (can be 0 if you don't care about the `maxFrequency` property), and an EZAudioFFTDelegate to receive a callback anytime the FFT is calculated. The history buffer size in this case is the `windowSize` * 8, which is pretty good for most cases.
+ @param windowSize        A vDSP_Length (unsigned long) representing the size of the window (i.e. the resolution) of data that should be used to calculate the FFT. A typical value for this would be something like 1024 - 4096 (or higher for an even higher resolution FFT).
+ @param sampleRate        A float representing the sample rate of the incoming audio signal.
+ @param delegate          An EZAudioFFTDelegate to receive an event whenever the FFT is calculated.
+ @return A newly created EZAudioFFTRolling instance.
+ */
++ (instancetype)fftWithWindowSize:(vDSP_Length)windowSize
+                       sampleRate:(float)sampleRate
+                         delegate:(id<EZAudioFFTDelegate>)delegate;
+
+//------------------------------------------------------------------------------
+
+/**
+ Class method to initialize an EZAudioFFTRolling instance with a window size, a history buffer size, and a sample rate. The EZAudioFFTRolling has an internal EZPlotHistoryInfo data structure that writes audio data to a circular buffer and manages sliding windows of audio data to support efficient, large FFT calculations. Here you provide a window size that represents how many audio sample will be used to calculate the FFT, a history buffer size representing the maximum length of the sliding window's underlying circular buffer, and a float representing the sample rate of the incoming audio (can be 0 if you don't care about the `maxFrequency` property).
+ @param windowSize        A vDSP_Length (unsigned long) representing the size of the window (i.e. the resolution) of data that should be used to calculate the FFT. A typical value for this would be something like 1024 - 4096 (or higher for an even higher resolution FFT).
+ @param historyBufferSize A vDSP_Length (unsigned long) representing the length of the history buffer. This should be AT LEAST the size of the window. A recommended value for this would be at least 8x greater than the `windowSize` argument.
+ @param sampleRate        A float representing the sample rate of the incoming audio signal.
+ @return A newly created EZAudioFFTRolling instance.
+ */
++ (instancetype)fftWithWindowSize:(vDSP_Length)windowSize
+                historyBufferSize:(vDSP_Length)historyBufferSize
+                       sampleRate:(float)sampleRate;
+
+//------------------------------------------------------------------------------
+
+/**
+ Class method to initialize an EZAudioFFTRolling instance with a window size, a history buffer size, a sample rate, and an EZAudioFFTDelegate. The EZAudioFFTRolling has an internal EZPlotHistoryInfo data structure that writes audio data to a circular buffer and manages sliding windows of audio data to support efficient, large FFT calculations. Here you provide a window size that represents how many audio sample will be used to calculate the FFT, a history buffer size representing the maximum length of the sliding window's underlying circular buffer, a float representing the sample rate of the incoming audio (can be 0 if you don't care about the `maxFrequency` property), and an EZAudioFFTDelegate to receive a callback anytime the FFT is calculated.
+ @param windowSize        A vDSP_Length (unsigned long) representing the size of the window (i.e. the resolution) of data that should be used to calculate the FFT. A typical value for this would be something like 1024 - 4096 (or higher for an even higher resolution FFT).
+ @param historyBufferSize A vDSP_Length (unsigned long) representing the length of the history buffer. This should be AT LEAST the size of the window. A recommended value for this would be at least 8x greater than the `windowSize` argument.
+ @param sampleRate        A float representing the sample rate of the incoming audio signal.
+ @param delegate          An EZAudioFFTDelegate to receive an event whenever the FFT is calculated.
+ @return A newly created EZAudioFFTRolling instance.
+ */
++ (instancetype)fftWithWindowSize:(vDSP_Length)windowSize
+                historyBufferSize:(vDSP_Length)historyBufferSize
+                       sampleRate:(float)sampleRate
+                         delegate:(id<EZAudioFFTDelegate>)delegate;
+
+//------------------------------------------------------------------------------
+#pragma mark - Properties
+//------------------------------------------------------------------------------
+
+///-----------------------------------------------------------
+/// @name Properties
+///-----------------------------------------------------------
+
+/**
+ A vDSP_Length (unsigned long) representing the length of the FFT window.
+ */
+@property (readonly, nonatomic) vDSP_Length windowSize;
+
+//------------------------------------------------------------------------------
+
+/**
+ A float array representing the audio data in the internal circular buffer used to perform the FFT. This will increase as more data is appended to the internal circular buffer via the `computeFFTWithBuffer:withBufferSize:` method. The length of this array is the `timeDomainBufferSize` property.
+ */
+@property (readonly, nonatomic) float *timeDomainData;
+
+//------------------------------------------------------------------------------
+
+/**
+ A UInt32 representing the length of the audio data used to perform the FFT.
+ */
+@property (readonly, nonatomic) UInt32 timeDomainBufferSize;
+
+@end

EZAudio/EZAudioFFT.m

@@ -0,0 +1,444 @@
+//
+//  EZAudioFFT.m
+//  EZAudio
+//
+//  Created by Syed Haris Ali on 7/10/15.
+//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+
+#import "EZAudioFFT.h"
+#import "EZAudioUtilities.h"
+
+//------------------------------------------------------------------------------
+#pragma mark - Data Structures
+//------------------------------------------------------------------------------
+
+typedef struct EZAudioFFTInfo
+{
+    FFTSetup       fftSetup;
+    COMPLEX_SPLIT  complexA;
+    float         *outFFTData;
+    vDSP_Length    outFFTDataLength;
+    float         *inversedFFTData;
+    vDSP_Length    maxFrequencyIndex;
+    float          maxFrequencyMangitude;
+    float          maxFrequency;
+} EZAudioFFTInfo;
+
+//------------------------------------------------------------------------------
+#pragma mark - EZAudioFFT (Interface Extension)
+//------------------------------------------------------------------------------
+
+@interface EZAudioFFT ()
+@property (assign,    nonatomic) EZAudioFFTInfo *info;
+@property (readwrite, nonatomic) vDSP_Length     maximumBufferSize;
+@end
+
+//------------------------------------------------------------------------------
+#pragma mark - EZAudioFFT (Implementation)
+//------------------------------------------------------------------------------
+
+@implementation EZAudioFFT
+
+//------------------------------------------------------------------------------
+#pragma mark - Dealloc
+//------------------------------------------------------------------------------
+
+- (void)dealloc
+{
+    vDSP_destroy_fftsetup(self.info->fftSetup);
+    free(self.info->complexA.realp);
+    free(self.info->complexA.imagp);
+    free(self.info->outFFTData);
+    free(self.info->inversedFFTData);
+}
+
+//------------------------------------------------------------------------------
+#pragma mark - Initializers
+//------------------------------------------------------------------------------
+
+- (instancetype)initWithMaximumBufferSize:(vDSP_Length)maximumBufferSize
+                               sampleRate:(float)sampleRate
+{
+    return [self initWithMaximumBufferSize:maximumBufferSize
+                                sampleRate:sampleRate
+                                  delegate:nil];
+}
+
+//------------------------------------------------------------------------------
+
+- (instancetype)initWithMaximumBufferSize:(vDSP_Length)maximumBufferSize
+                               sampleRate:(float)sampleRate
+                                 delegate:(id<EZAudioFFTDelegate>)delegate
+{
+    self = [super init];
+    if (self)
+    {
+        self.maximumBufferSize = (vDSP_Length)maximumBufferSize;
+        self.sampleRate = sampleRate;
+        self.delegate = delegate;
+        [self setup];
+    }
+    return self;
+}
+
+//------------------------------------------------------------------------------
+#pragma mark - Class Initializers
+//------------------------------------------------------------------------------
+
++ (instancetype)fftWithMaximumBufferSize:(vDSP_Length)maximumBufferSize
+                              sampleRate:(float)sampleRate
+{
+    return [[self alloc] initWithMaximumBufferSize:maximumBufferSize
+                                        sampleRate:sampleRate];
+}
+
+//------------------------------------------------------------------------------
+
++ (instancetype)fftWithMaximumBufferSize:(vDSP_Length)maximumBufferSize
+                              sampleRate:(float)sampleRate
+                                delegate:(id<EZAudioFFTDelegate>)delegate
+{
+    return [[self alloc] initWithMaximumBufferSize:maximumBufferSize
+                                        sampleRate:sampleRate
+                                          delegate:delegate];
+}
+
+//------------------------------------------------------------------------------
+#pragma mark - Setup
+//------------------------------------------------------------------------------
+
+- (void)setup
+{
+    NSAssert(self.maximumBufferSize > 0, @"Expected FFT buffer size to be greater than 0!");
+    
+    //
+    // Initialize FFT
+    //
+    float maximumBufferSizeBytes = self.maximumBufferSize * sizeof(float);
+    self.info = (EZAudioFFTInfo *)calloc(1, sizeof(EZAudioFFTInfo));
+    vDSP_Length log2n = log2f(self.maximumBufferSize);
+    self.info->fftSetup = vDSP_create_fftsetup(log2n, FFT_RADIX2);
+    long nOver2 = maximumBufferSizeBytes / 2;
+    size_t maximumSizePerComponentBytes = nOver2 * sizeof(float);
+    self.info->complexA.realp = (float *)malloc(maximumSizePerComponentBytes);
+    self.info->complexA.imagp = (float *)malloc(maximumSizePerComponentBytes);
+    self.info->outFFTData = (float *)malloc(maximumSizePerComponentBytes);
+    memset(self.info->outFFTData, 0, maximumSizePerComponentBytes);
+    self.info->inversedFFTData = (float *)malloc(maximumSizePerComponentBytes);
+}
+
+//------------------------------------------------------------------------------
+#pragma mark - Actions
+//------------------------------------------------------------------------------
+
+- (float *)computeFFTWithBuffer:(float *)buffer withBufferSize:(UInt32)bufferSize
+{
+    if (buffer == NULL)
+    {
+        return NULL;
+    }
+    
+    //
+    // Calculate real + imaginary components and normalize
+    //
+    vDSP_Length log2n = log2f(bufferSize);
+    long nOver2 = bufferSize / 2;
+    float mFFTNormFactor = 10.0 / (2 * bufferSize);
+    vDSP_ctoz((COMPLEX*)buffer, 2, &(self.info->complexA), 1, nOver2);
+    vDSP_fft_zrip(self.info->fftSetup, &(self.info->complexA), 1, log2n, FFT_FORWARD);
+    vDSP_vsmul(self.info->complexA.realp, 1, &mFFTNormFactor, self.info->complexA.realp, 1, nOver2);
+    vDSP_vsmul(self.info->complexA.imagp, 1, &mFFTNormFactor, self.info->complexA.imagp, 1, nOver2);
+    vDSP_zvmags(&(self.info->complexA), 1, self.info->outFFTData, 1, nOver2);
+    vDSP_fft_zrip(self.info->fftSetup, &(self.info->complexA), 1, log2n, FFT_INVERSE);
+    vDSP_ztoc(&(self.info->complexA), 1, (COMPLEX *) self.info->inversedFFTData , 2, nOver2);
+    self.info->outFFTDataLength = nOver2;
+    
+    //
+    // Calculate max freq
+    //
+    if (self.sampleRate > 0.0f)
+    {
+        vDSP_maxvi(self.info->outFFTData, 1, &self.info->maxFrequencyMangitude, &self.info->maxFrequencyIndex, nOver2);
+        self.info->maxFrequency = [self frequencyAtIndex:self.info->maxFrequencyIndex];
+    }
+    
+    //
+    // Notify delegate
+    //
+    if ([self.delegate respondsToSelector:@selector(fft:updatedWithFFTData:bufferSize:)])
+    {
+        [self.delegate fft:self
+        updatedWithFFTData:self.info->outFFTData
+                bufferSize:nOver2];
+    }
+    
+    //
+    // Return the FFT
+    //
+    return self.info->outFFTData;
+}
+
+//------------------------------------------------------------------------------
+
+- (float)frequencyAtIndex:(vDSP_Length)index
+{
+    if (!(self.info->outFFTData == NULL || self.sampleRate == 0.0f))
+    {
+        float nyquistMaxFreq = self.sampleRate / 2.0;
+        return ((float)index / (float)self.info->outFFTDataLength) * nyquistMaxFreq;
+    }
+    return NSNotFound;
+}
+
+//------------------------------------------------------------------------------
+
+- (float)frequencyMagnitudeAtIndex:(vDSP_Length)index
+{
+    if (self.info->outFFTData != NULL)
+    {
+        return self.info->outFFTData[index];
+    }
+    return NSNotFound;
+}
+
+//------------------------------------------------------------------------------
+#pragma mark - Getters
+//------------------------------------------------------------------------------
+
+- (COMPLEX_SPLIT)complexSplit
+{
+    return self.info->complexA;
+}
+
+//------------------------------------------------------------------------------
+
+- (float *)fftData
+{
+    return self.info->outFFTData;
+}
+
+//------------------------------------------------------------------------------
+
+- (FFTSetup)fftSetup
+{
+    return self.info->fftSetup;
+}
+
+//------------------------------------------------------------------------------
+
+- (float *)inversedFFTData
+{
+    return self.info->inversedFFTData;
+}
+
+//------------------------------------------------------------------------------
+
+- (vDSP_Length)maxFrequencyIndex
+{
+    return self.info->maxFrequencyIndex;
+}
+
+//------------------------------------------------------------------------------
+
+- (float)maxFrequencyMagnitude
+{
+    return self.info->maxFrequencyMangitude;
+}
+
+//------------------------------------------------------------------------------
+
+- (float)maxFrequency
+{
+    return self.info->maxFrequency;
+}
+
+@end
+
+//------------------------------------------------------------------------------
+#pragma mark - EZAudioFFTRolling
+//------------------------------------------------------------------------------
+
+@interface EZAudioFFTRolling ()
+@property (assign,    nonatomic) EZPlotHistoryInfo *historyInfo;
+@property (readwrite, nonatomic) vDSP_Length        windowSize;
+
+@end
+
+@implementation EZAudioFFTRolling
+
+//------------------------------------------------------------------------------
+#pragma mark - Dealloc
+//------------------------------------------------------------------------------
+
+- (void)dealloc
+{
+    [EZAudioUtilities freeHistoryInfo:self.historyInfo];
+}
+
+//------------------------------------------------------------------------------
+#pragma mark - Initialization
+//------------------------------------------------------------------------------
+
+- (instancetype)initWithWindowSize:(vDSP_Length)windowSize
+                        sampleRate:(float)sampleRate
+{
+    return [self initWithWindowSize:windowSize
+                  historyBufferSize:windowSize * 8
+                         sampleRate:sampleRate
+                           delegate:nil];
+}
+
+//------------------------------------------------------------------------------
+
+- (instancetype)initWithWindowSize:(vDSP_Length)windowSize
+                        sampleRate:(float)sampleRate
+                          delegate:(id<EZAudioFFTDelegate>)delegate
+{
+    return [self initWithWindowSize:windowSize
+                  historyBufferSize:windowSize * 8
+                         sampleRate:sampleRate
+                           delegate:delegate];
+}
+
+//------------------------------------------------------------------------------
+
+- (instancetype)initWithWindowSize:(vDSP_Length)windowSize
+                 historyBufferSize:(vDSP_Length)historyBufferSize
+                        sampleRate:(float)sampleRate
+{
+    return [self initWithWindowSize:windowSize
+                  historyBufferSize:historyBufferSize
+                         sampleRate:sampleRate
+                           delegate:nil];
+}
+
+//------------------------------------------------------------------------------
+
+- (instancetype)initWithWindowSize:(vDSP_Length)windowSize
+                 historyBufferSize:(vDSP_Length)historyBufferSize
+                        sampleRate:(float)sampleRate
+                          delegate:(id<EZAudioFFTDelegate>)delegate
+{
+    self = [super initWithMaximumBufferSize:historyBufferSize
+                                 sampleRate:sampleRate];
+    if (self)
+    {
+        self.delegate = delegate;
+        self.windowSize = windowSize;
+        
+        //
+        // Allocate an appropriately sized history buffer in bytes
+        //
+        self.historyInfo = [EZAudioUtilities historyInfoWithDefaultLength:(UInt32)windowSize
+                                                            maximumLength:(UInt32)historyBufferSize];
+    }
+    return self;
+}
+
+//------------------------------------------------------------------------------
+#pragma mark - Class Initializers
+//------------------------------------------------------------------------------
+
++ (instancetype)fftWithWindowSize:(vDSP_Length)windowSize
+                       sampleRate:(float)sampleRate
+{
+    return [[self alloc] initWithWindowSize:windowSize
+                                 sampleRate:sampleRate];
+}
+
+//------------------------------------------------------------------------------
+
++ (instancetype)fftWithWindowSize:(vDSP_Length)windowSize
+                       sampleRate:(float)sampleRate
+                         delegate:(id<EZAudioFFTDelegate>)delegate
+{
+    return [[self alloc] initWithWindowSize:windowSize
+                                 sampleRate:sampleRate
+                                   delegate:delegate];
+}
+
+//------------------------------------------------------------------------------
+
++ (instancetype)fftWithWindowSize:(vDSP_Length)windowSize
+                historyBufferSize:(vDSP_Length)historyBufferSize
+                       sampleRate:(float)sampleRate
+{
+    return [[self alloc] initWithWindowSize:windowSize
+                          historyBufferSize:historyBufferSize
+                                 sampleRate:sampleRate];
+}
+
+//------------------------------------------------------------------------------
+
++ (instancetype)fftWithWindowSize:(vDSP_Length)windowSize
+                historyBufferSize:(vDSP_Length)historyBufferSize
+                       sampleRate:(float)sampleRate
+                         delegate:(id<EZAudioFFTDelegate>)delegate
+{
+    return [[self alloc] initWithWindowSize:windowSize
+                          historyBufferSize:historyBufferSize
+                                 sampleRate:sampleRate
+                                   delegate:delegate];
+}
+
+//------------------------------------------------------------------------------
+#pragma mark - Actions
+//------------------------------------------------------------------------------
+
+- (float *)computeFFTWithBuffer:(float *)buffer
+                 withBufferSize:(UInt32)bufferSize
+{
+    if (buffer == NULL)
+    {
+        return NULL;
+    }
+    
+    //
+    // Append buffer to history window
+    //
+    [EZAudioUtilities appendBuffer:buffer
+                    withBufferSize:bufferSize
+                     toHistoryInfo:self.historyInfo];
+    
+    //
+    // Call super to calculate the FFT of the window
+    //
+    return [super computeFFTWithBuffer:self.historyInfo->buffer
+                        withBufferSize:self.historyInfo->bufferSize];
+}
+
+//------------------------------------------------------------------------------
+#pragma mark - Getters
+//------------------------------------------------------------------------------
+
+- (UInt32)timeDomainBufferSize
+{
+    return self.historyInfo->bufferSize;
+}
+
+//------------------------------------------------------------------------------
+
+- (float *)timeDomainData
+{
+    return self.historyInfo->buffer;
+}
+
+@end

EZAudio/EZAudioFile.h

@@ -65,12 +65,23 @@ typedef void (^EZAudioWaveformDataCompletionBlock)(float **waveformData, int len
 
 //------------------------------------------------------------------------------
 
+/**
+ Occurs when the audio file's internal seek position has been updated by the EZAudioFile functions `readFrames:audioBufferList:bufferSize:eof:` or `audioFile:updatedPosition:`. As of 0.8.0 this is the preferred method of listening for position updates on the audio file since a user may want the pull the currentTime, formattedCurrentTime, or the frame index from the EZAudioFile instance provided.
+ @param audioFile The instance of the EZAudio in which the change occured.
+ */
+- (void)audioFileUpdatedPosition:(EZAudioFile *)audioFile;
+
+//------------------------------------------------------------------------------
+
 /**
  Occurs when the audio file's internal seek position has been updated by the EZAudioFile functions `readFrames:audioBufferList:bufferSize:eof:` or `audioFile:updatedPosition:`.
  @param audioFile     The instance of the EZAudio in which the change occured
  @param framePosition The new frame index as a 64-bit signed integer
+ @deprecated This property is deprecated starting in version 0.8.0.
+ @note Please use `audioFileUpdatedPosition:` property instead.
  */
-- (void)audioFile:(EZAudioFile *)audioFile updatedPosition:(SInt64)framePosition;
+- (void)audioFile:(EZAudioFile *)audioFile
+  updatedPosition:(SInt64)framePosition  __attribute__((deprecated));
 
 @end
 
@@ -85,6 +96,7 @@ typedef void (^EZAudioWaveformDataCompletionBlock)(float **waveformData, int len
 //------------------------------------------------------------------------------
 #pragma mark - Properties
 //------------------------------------------------------------------------------
+
 /**
  A EZAudioFileDelegate for the audio file that is used to return events such as new seek positions within the file and the read audio data as a float array.
  */
@@ -232,7 +244,7 @@ typedef void (^EZAudioWaveformDataCompletionBlock)(float **waveformData, int len
  */
 
 /**
- Provides the AudioStreamBasicDescription structure used within the app. The file's format will be converted to this format and then sent back as either a float array or a `AudioBufferList` pointer. For instance, the file on disk could be a 22.5 kHz, float format, but we might have an audio processing graph that has a 44.1 kHz, signed integer format that we'd like to interact with. The client format lets us set that 44.1 kHz format on the audio file to properly read samples from it with any interpolation or format conversion that must take place done automatically within the EZAudioFile `readFrames:audioBufferList:bufferSize:eof:` method. Default is stereo, non-interleaved, 44.1 kHz.
+ Provides the common AudioStreamBasicDescription that will be used for in-app interaction. The file's format will be converted to this format and then sent back as either a float array or a `AudioBufferList` pointer. For instance, the file on disk could be a 22.5 kHz, float format, but we might have an audio processing graph that has a 44.1 kHz, signed integer format that we'd like to interact with. The client format lets us set that 44.1 kHz format on the audio file to properly read samples from it with any interpolation or format conversion that must take place done automatically within the EZAudioFile `readFrames:audioBufferList:bufferSize:eof:` method. Default is stereo, non-interleaved, 44.1 kHz.
  @warning This must be a linear PCM format!
  @return An AudioStreamBasicDescription structure describing the format of the audio file.
  */
@@ -299,7 +311,7 @@ typedef void (^EZAudioWaveformDataCompletionBlock)(float **waveformData, int len
  @note Please use `duration` property instead.
  @return The total duration of the audio file as a Float32.
  */
-@property (readonly) NSTimeInterval totalDuration __attribute__((deprecated));;
+@property (readonly) NSTimeInterval totalDuration __attribute__((deprecated));
 
 //------------------------------------------------------------------------------
 

EZAudio/EZAudioFile.m

@@ -24,7 +24,10 @@
 //  THE SOFTWARE.
 
 #import "EZAudioFile.h"
-#import "EZAudioUtilities.h"
+
+//------------------------------------------------------------------------------
+
+#import "EZAudio.h"
 #import "EZAudioFloatConverter.h"
 #import "EZAudioFloatData.h"
 #include <pthread.h>
@@ -310,11 +313,24 @@ typedef struct
         *bufferSize = frames;
         *eof = frames == 0;
         
-        // notify delegate
+        //
+        // Notify delegate
+        //
+        if ([self.delegate respondsToSelector:@selector(audioFileUpdatedPosition:)])
+        {
+            [self.delegate audioFileUpdatedPosition:self];
+        }
+        
+        //
+        // Deprecated, but supported until 1.0
+        //
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
         if ([self.delegate respondsToSelector:@selector(audioFile:updatedPosition:)])
         {
-            [self.delegate audioFile:self updatedPosition:self.frameIndex];
+            [self.delegate audioFile:self updatedPosition:[self frameIndex]];
         }
+#pragma GCC diagnostic pop
         
         if ([self.delegate respondsToSelector:@selector(audioFile:readAudio:withBufferSize:withNumberOfChannels:)])
         {
@@ -348,12 +364,24 @@ typedef struct
 
         pthread_mutex_unlock(&_lock);
         
-        // notify delegate
+        //
+        // Notify delegate
+        //
+        if ([self.delegate respondsToSelector:@selector(audioFileUpdatedPosition:)])
+        {
+            [self.delegate audioFileUpdatedPosition:self];
+        }
+        
+        //
+        // Deprecated, but supported until 1.0
+        //
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
         if ([self.delegate respondsToSelector:@selector(audioFile:updatedPosition:)])
         {
-            [self.delegate audioFile:self
-                     updatedPosition:self.frameIndex];
+            [self.delegate audioFile:self updatedPosition:[self frameIndex]];
         }
+#pragma GCC diagnostic pop
     }
 }
 
@@ -384,6 +412,12 @@ typedef struct
         SInt64 currentFrame = self.frameIndex;
         BOOL interleaved = [EZAudioUtilities isInterleaved:self.clientFormat];
         UInt32 channels = self.clientFormat.mChannelsPerFrame;
+        if (channels == 0)
+        {
+            // prevent division by zero
+            pthread_mutex_unlock(&_lock);
+            return nil;
+        }
         float **data = (float **)malloc( sizeof(float*) * channels );
         for (int i = 0; i < channels; i++)
         {

EZAudio/EZAudioFloatConverter.m

@@ -58,9 +58,12 @@ OSStatus EZAudioFloatConverterCallback(AudioConverterRef             inAudioConv
                                        void                         *inUserData)
 {
     AudioBufferList *sourceBuffer = (AudioBufferList *)inUserData;
+    
     memcpy(ioData,
            sourceBuffer,
            sizeof(AudioBufferList) + (sourceBuffer->mNumberBuffers - 1) * sizeof(AudioBuffer));
+    sourceBuffer = NULL;
+    
     return noErr;
 }
 
@@ -197,12 +200,19 @@ OSStatus EZAudioFloatConverterCallback(AudioConverterRef             inAudioConv
                         toFloatBuffers:(float **)buffers
                     packetDescriptions:(AudioStreamPacketDescription *)packetDescriptions
 {
-    if (frames == 0)
+    if (frames != 0)
     {
+        //
+        // Make sure the data size coming in is consistent with the number
+        // of frames we're actually getting
+        //
+        for (int i = 0; i < audioBufferList->mNumberBuffers; i++) {
+            audioBufferList->mBuffers[i].mDataByteSize = frames * self.info->inputFormat.mBytesPerFrame;
+        }
         
-    }
-    else
-    {
+        //
+        // Fill out the audio converter with the source buffer
+        //
         [EZAudioUtilities checkResult:AudioConverterFillComplexBuffer(self.info->converterRef,
                                                                       EZAudioFloatConverterCallback,
                                                                       audioBufferList,
@@ -210,6 +220,11 @@ OSStatus EZAudioFloatConverterCallback(AudioConverterRef             inAudioConv
                                                                       self.info->floatAudioBufferList,
                                                                       packetDescriptions ? packetDescriptions : self.info->packetDescriptions)
                             operation:"Failed to fill complex buffer in float converter"];
+        
+        //
+        // Copy the converted buffers into the float buffer array stored
+        // in memory
+        //
         for (int i = 0; i < self.info->floatAudioBufferList->mNumberBuffers; i++)
         {
             memcpy(buffers[i],

EZAudio/EZAudioOSX.h

@@ -1,9 +1,9 @@
 //
-//  main.m
-//  EZAudioWaveformFromFileExample
+//  EZAudioOSX.m
+//  EZAudio
 //
-//  Created by Syed Haris Ali on 12/1/13.
-//  Copyright (c) 2013 Syed Haris Ali. All rights reserved.
+//  Created by Tommaso Piazza on 30/09/15.
+//  Copyright © 2015 Andrew Breckenridge. All rights reserved.
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -23,9 +23,4 @@
 //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 //  THE SOFTWARE.
 
-#import <Cocoa/Cocoa.h>
-
-int main(int argc, const char * argv[])
-{
-  return NSApplicationMain(argc, argv);
-}
+#import <EZAudioOSX/EZAudio.h>

EZAudio/EZAudioPlayer.h

@@ -30,6 +30,20 @@
 
 @class EZAudioPlayer;
 
+//------------------------------------------------------------------------------
+#pragma mark - Data Structures
+//------------------------------------------------------------------------------
+
+typedef NS_ENUM(NSUInteger, EZAudioPlayerState)
+{
+    EZAudioPlayerStateEndOfFile,
+    EZAudioPlayerStatePaused,
+    EZAudioPlayerStatePlaying,
+    EZAudioPlayerStateReadyToPlay,
+    EZAudioPlayerStateSeeking,
+    EZAudioPlayerStateUnknown,
+};
+
 //------------------------------------------------------------------------------
 #pragma mark - Notifications
 //------------------------------------------------------------------------------
@@ -109,6 +123,15 @@ FOUNDATION_EXPORT NSString * const EZAudioPlayerDidSeekNotification;
     updatedPosition:(SInt64)framePosition
         inAudioFile:(EZAudioFile *)audioFile;
 
+
+/**
+ Triggered by EZAudioPlayer's internal EZAudioFile's EZAudioFileDelegate callback and notifies the delegate that the end of the file has been reached. 
+ @param audioPlayer The instance of the EZAudioPlayer that triggered the event
+ @param audioFile   The instance of the EZAudioFile that the event was triggered from
+ */
+- (void)audioPlayer:(EZAudioPlayer *)audioPlayer
+reachedEndOfAudioFile:(EZAudioFile *)audioFile;
+
 @end
 
 //------------------------------------------------------------------------------
@@ -142,6 +165,13 @@ FOUNDATION_EXPORT NSString * const EZAudioPlayerDidSeekNotification;
  */
 @property (nonatomic, assign) BOOL shouldLoop;
 
+//------------------------------------------------------------------------------
+
+/**
+ An EZAudioPlayerState value representing the current internal playback and file state of the EZAudioPlayer instance.
+ */
+@property (nonatomic, assign, readonly) EZAudioPlayerState state;
+
 //------------------------------------------------------------------------------
 #pragma mark - Initializers
 //------------------------------------------------------------------------------
@@ -411,4 +441,4 @@ FOUNDATION_EXPORT NSString * const EZAudioPlayerDidSeekNotification;
  */
 - (void)seekToFrame:(SInt64)frame;
 
-@end
+@end

EZAudio/EZAudioPlayer.m

@@ -38,6 +38,14 @@ NSString * const EZAudioPlayerDidChangeVolumeNotification = @"EZAudioPlayerDidCh
 NSString * const EZAudioPlayerDidReachEndOfFileNotification = @"EZAudioPlayerDidReachEndOfFileNotification";
 NSString * const EZAudioPlayerDidSeekNotification = @"EZAudioPlayerDidSeekNotification";
 
+//------------------------------------------------------------------------------
+#pragma mark - EZAudioPlayer (Interface Extension)
+//------------------------------------------------------------------------------
+
+@interface EZAudioPlayer ()
+@property (nonatomic, assign, readwrite) EZAudioPlayerState state;
+@end
+
 //------------------------------------------------------------------------------
 #pragma mark - EZAudioPlayer (Implementation)
 //------------------------------------------------------------------------------
@@ -179,6 +187,7 @@ NSString * const EZAudioPlayerDidSeekNotification = @"EZAudioPlayerDidSeekNotifi
 - (void)setup
 {
     self.output = [EZOutput output];
+    self.state = EZAudioPlayerStateReadyToPlay;
 }
 
 //------------------------------------------------------------------------------
@@ -317,6 +326,7 @@ NSString * const EZAudioPlayerDidSeekNotification = @"EZAudioPlayerDidSeekNotifi
 - (void)play
 {
     [self.output startPlayback];
+    self.state = EZAudioPlayerStatePlaying;
 }
 
 //------------------------------------------------------------------------------
@@ -344,13 +354,16 @@ NSString * const EZAudioPlayerDidSeekNotification = @"EZAudioPlayerDidSeekNotifi
 - (void)pause
 {
     [self.output stopPlayback];
+    self.state = EZAudioPlayerStatePaused;
 }
 
 //------------------------------------------------------------------------------
 
 - (void)seekToFrame:(SInt64)frame
 {
+    self.state = EZAudioPlayerStateSeeking;
     [self.audioFile seekToFrame:frame];
+    self.state = self.isPlaying ? EZAudioPlayerStatePlaying : EZAudioPlayerStatePaused;
     [[NSNotificationCenter defaultCenter] postNotificationName:EZAudioPlayerDidSeekNotification
                                                         object:self];
 }
@@ -372,6 +385,10 @@ NSString * const EZAudioPlayerDidSeekNotification = @"EZAudioPlayerDidSeekNotifi
                    audioBufferList:audioBufferList
                         bufferSize:&bufferSize
                                eof:&eof];
+        if (eof && [self.delegate respondsToSelector:@selector(audioPlayer:reachedEndOfAudioFile:)]) 
+        {
+            [self.delegate audioPlayer:self reachedEndOfAudioFile:self.audioFile];
+        }
         if (eof && self.shouldLoop)
         {
             [self seekToFrame:0];
@@ -380,6 +397,7 @@ NSString * const EZAudioPlayerDidSeekNotification = @"EZAudioPlayerDidSeekNotifi
         {
             [self pause];
             [self seekToFrame:0];
+            self.state = EZAudioPlayerStateEndOfFile;
             [[NSNotificationCenter defaultCenter] postNotificationName:EZAudioPlayerDidReachEndOfFileNotification
                                                                 object:self];
         }
@@ -391,12 +409,12 @@ NSString * const EZAudioPlayerDidSeekNotification = @"EZAudioPlayerDidSeekNotifi
 #pragma mark - EZAudioFileDelegate
 //------------------------------------------------------------------------------
 
-- (void)audioFile:(EZAudioFile *)audioFile updatedPosition:(SInt64)framePosition
+- (void)audioFileUpdatedPosition:(EZAudioFile *)audioFile
 {
     if ([self.delegate respondsToSelector:@selector(audioPlayer:updatedPosition:inAudioFile:)])
     {
         [self.delegate audioPlayer:self
-                   updatedPosition:framePosition
+                   updatedPosition:[audioFile frameIndex]
                        inAudioFile:audioFile];
     }
 }
@@ -438,4 +456,4 @@ NSString * const EZAudioPlayerDidSeekNotification = @"EZAudioPlayerDidSeekNotifi
 
 //------------------------------------------------------------------------------
 
-@end
+@end

EZAudio/EZAudioPlot.h

@@ -25,6 +25,7 @@
 
 #import <QuartzCore/QuartzCore.h>
 #import "EZPlot.h"
+#import "EZAudioDisplayLink.h"
 
 @class EZAudio;
 
@@ -156,6 +157,13 @@ FOUNDATION_EXPORT UInt32 const EZAudioPlotDefaultMaxHistoryBufferLength;
 
 //------------------------------------------------------------------------------
 
+/**
+ Called after the view has been created. Subclasses should use to add any additional methods needed instead of overriding the init methods.
+ */
+- (void)setupPlot;
+
+//------------------------------------------------------------------------------
+
 /**
  Provides the default number of points that will be used to initialize the graph's points data structure that holds. Essentially the plot starts off as a flat line of this many points. Default is 100.
  @return An int describing the initial number of points the plot should have when flat lined.
@@ -189,4 +197,11 @@ FOUNDATION_EXPORT UInt32 const EZAudioPlotDefaultMaxHistoryBufferLength;
 
 //------------------------------------------------------------------------------
 
+@end
+
+@interface EZAudioPlot () <EZAudioDisplayLinkDelegate>
+@property (nonatomic, strong) EZAudioDisplayLink *displayLink;
+@property (nonatomic, assign) EZPlotHistoryInfo  *historyInfo;
+@property (nonatomic, assign) CGPoint            *points;
+@property (nonatomic, assign) UInt32              pointCount;
 @end

EZAudio/EZAudioPlot.m

@@ -24,7 +24,6 @@
 //  THE SOFTWARE.
 
 #import "EZAudioPlot.h"
-#import "EZAudioDisplayLink.h"
 
 //------------------------------------------------------------------------------
 #pragma mark - Constants
@@ -35,17 +34,6 @@ UInt32 const kEZAudioPlotDefaultHistoryBufferLength = 512;
 UInt32 const EZAudioPlotDefaultHistoryBufferLength = 512;
 UInt32 const EZAudioPlotDefaultMaxHistoryBufferLength = 8192;
 
-//------------------------------------------------------------------------------
-#pragma mark - EZAudioPlot (Interface Extension)
-//------------------------------------------------------------------------------
-
-@interface EZAudioPlot () <EZAudioDisplayLinkDelegate>
-@property (nonatomic, strong) EZAudioDisplayLink *displayLink;
-@property (nonatomic, assign) EZPlotHistoryInfo  *historyInfo;
-@property (nonatomic, assign) CGPoint            *points;
-@property (nonatomic, assign) UInt32              pointCount;
-@end
-
 //------------------------------------------------------------------------------
 #pragma mark - EZAudioPlot (Implementation)
 //------------------------------------------------------------------------------
@@ -151,11 +139,25 @@ UInt32 const EZAudioPlotDefaultMaxHistoryBufferLength = 8192;
     self.backgroundColor = nil;
     [self.layer insertSublayer:self.waveformLayer atIndex:0];
     
+    //
+    // Allow subclass to initialize plot
+    //
+    [self setupPlot];
+    
     self.points = calloc(EZAudioPlotDefaultMaxHistoryBufferLength, sizeof(CGPoint));
     self.pointCount = [self initialPointCount];
     [self redraw];
 }
 
+//------------------------------------------------------------------------------
+
+- (void)setupPlot
+{
+    //
+    // Override in subclass
+    //
+}
+
 //------------------------------------------------------------------------------
 #pragma mark - Setup
 //------------------------------------------------------------------------------
@@ -314,9 +316,9 @@ UInt32 const EZAudioPlotDefaultMaxHistoryBufferLength = 8192;
 - (void)updateBuffer:(float *)buffer withBufferSize:(UInt32)bufferSize
 {
     // append the buffer to the history
-    [EZAudioUtilities appendBuffer:buffer
-                    withBufferSize:bufferSize
-                     toHistoryInfo:self.historyInfo];
+    [EZAudioUtilities appendBufferRMS:buffer
+                       withBufferSize:bufferSize
+                        toHistoryInfo:self.historyInfo];
     
     // copy samples
     switch (self.plotType)

EZAudio/EZAudioPlotGL.h

@@ -64,21 +64,29 @@ typedef struct
  The default background color of the plot. For iOS the color is specified as a UIColor while for OSX the color is an NSColor. The default value on both platforms is a sweet looking green. 
  @warning On OSX, if you set the background to a value where the alpha component is 0 then the EZAudioPlotGL will automatically set its superview to be layer-backed.
  */
-@property (nonatomic, strong) id backgroundColor;
+#if TARGET_OS_IPHONE
+@property (nonatomic, strong) IBInspectable UIColor *backgroundColor;
+#elif TARGET_OS_MAC
+@property (nonatomic, strong) IBInspectable NSColor *backgroundColor;
+#endif
 
 //------------------------------------------------------------------------------
 
 /**
  The default color of the plot's data (i.e. waveform, y-axis values). For iOS the color is specified as a UIColor while for OSX the color is an NSColor. The default value on both platforms is white.
  */
-@property (nonatomic, strong) id color;
+#if TARGET_OS_IPHONE
+@property (nonatomic, strong) IBInspectable UIColor *color;
+#elif TARGET_OS_MAC
+@property (nonatomic, strong) IBInspectable NSColor *color;
+#endif
 
 //------------------------------------------------------------------------------
 
 /**
  The plot's gain value, which controls the scale of the y-axis values. The default value of the gain is 1.0f and should always be greater than 0.0f.
  */
-@property (nonatomic, assign) float gain;
+@property (nonatomic, assign) IBInspectable  float gain;
 
 //------------------------------------------------------------------------------
 
@@ -92,14 +100,14 @@ typedef struct
 /**
  A BOOL indicating whether or not to fill in the graph. A value of YES will make a filled graph (filling in the space between the x-axis and the y-value), while a value of NO will create a stroked graph (connecting the points along the y-axis). Default is NO.
  */
-@property (nonatomic, assign) BOOL shouldFill;
+@property (nonatomic, assign) IBInspectable BOOL shouldFill;
 
 //------------------------------------------------------------------------------
 
 /**
  A boolean indicating whether the graph should be rotated along the x-axis to give a mirrored reflection. This is typical for audio plots to produce the classic waveform look. A value of YES will produce a mirrored reflection of the y-values about the x-axis, while a value of NO will only plot the y-values. Default is NO.
  */
-@property (nonatomic, assign) BOOL shouldMirror;
+@property (nonatomic, assign) IBInspectable BOOL shouldMirror;
 
 //------------------------------------------------------------------------------
 #pragma mark - Updating The Plot
@@ -198,6 +206,28 @@ typedef struct
 
 //------------------------------------------------------------------------------
 
+/**
+ Called during the OpenGL run loop to constantly update the drawing 60 fps. Callers can use this force update the screen while subclasses can override this for complete control over their rendering. However, subclasses are more encouraged to use the `redrawWithPoints:pointCount:baseEffect:vertexBufferObject:vertexArrayBuffer:interpolated:mirrored:gain:`
+ */
+- (void)redraw;
+
+//------------------------------------------------------------------------------
+
+/**
+ Called after the view has been created. Subclasses should use to add any additional methods needed instead of overriding the init methods.
+ */
+- (void)setup;
+
+//------------------------------------------------------------------------------
+
+/**
+ Main method used to copy the sample data from the source buffer and update the
+ plot. Subclasses can overwrite this method for custom behavior.
+ @param data   A float array of the sample data. Subclasses should copy this data to a separate array to avoid threading issues.
+ @param length The length of the float array as an int.
+ */
+- (void)setSampleData:(float *)data length:(int)length;
+
 ///-----------------------------------------------------------
 /// @name Subclass Methods
 ///-----------------------------------------------------------

EZAudio/EZAudioPlotGL.m

@@ -182,6 +182,11 @@ typedef struct
     self.color = [NSColor colorWithCalibratedRed:1.0f green:1.0f blue:1.0f alpha:1.0f];
 #endif
     
+    //
+    // Allow subclass to initialize plot
+    //
+    [self setupPlot];
+    
     //
     // Create the display link
     //
@@ -191,6 +196,15 @@ typedef struct
 
 //------------------------------------------------------------------------------
 
+- (void)setupPlot
+{
+    //
+    // Override in subclass
+    //
+}
+
+//------------------------------------------------------------------------------
+
 - (void)setupOpenGL
 {
     self.baseEffect = [[GLKBaseEffect alloc] init];
@@ -247,6 +261,7 @@ typedef struct
 #if !TARGET_OS_IPHONE
     [self.openGLContext unlock];
 #endif
+    self.frame = self.frame;
 }
 
 //------------------------------------------------------------------------------
@@ -258,9 +273,9 @@ typedef struct
     //
     // Update history
     //
-    [EZAudioUtilities appendBuffer:buffer
-                    withBufferSize:bufferSize
-                     toHistoryInfo:self.info->historyInfo];
+    [EZAudioUtilities appendBufferRMS:buffer
+                       withBufferSize:bufferSize
+                        toHistoryInfo:self.info->historyInfo];
 
     //
     // Convert this data to point data

EZAudio/EZAudioUtilities.h

@@ -29,9 +29,7 @@
 #import "TPCircularBuffer.h"
 #if TARGET_OS_IPHONE
 #import <AVFoundation/AVFoundation.h>
-#import <UIKit/UIKit.h>
 #elif TARGET_OS_MAC
-#import <AppKit/AppKit.h>
 #endif
 
 //------------------------------------------------------------------------------
@@ -238,7 +236,7 @@ typedef NSRect EZRect;
  @param sampleRate A float representing the sample rate.
  @return A new AudioStreamBasicDescription with the specified format.
  */
-+ (AudioStreamBasicDescription)stereoFloatNonInterleavedFormatWithSampleRate:(float)sameRate;
++ (AudioStreamBasicDescription)stereoFloatNonInterleavedFormatWithSampleRate:(float)sampleRate;
 
 //------------------------------------------------------------------------------
 // @name AudioStreamBasicDescription Helper Functions
@@ -382,6 +380,13 @@ typedef NSRect EZRect;
  */
 + (float)SGN:(float)value;
 
+//------------------------------------------------------------------------------
+#pragma mark - Music Utilities
+//------------------------------------------------------------------------------
+
++ (NSString *)noteNameStringForFrequency:(float)frequency
+                           includeOctave:(BOOL)includeOctave;
+
 //------------------------------------------------------------------------------
 #pragma mark - OSStatus Utility
 //------------------------------------------------------------------------------
@@ -472,8 +477,8 @@ typedef NSRect EZRect;
 
 /**
  Initializes the circular buffer (just a wrapper around the C method)
- *  @param circularBuffer Pointer to an instance of the TPCircularBuffer
- *  @param size           The length of the TPCircularBuffer (usually 1024)
+ @param circularBuffer Pointer to an instance of the TPCircularBuffer
+ @param size           The length of the TPCircularBuffer (usually 1024)
  */
 + (void)circularBuffer:(TPCircularBuffer*)circularBuffer
               withSize:(int)size;
@@ -496,6 +501,18 @@ typedef NSRect EZRect;
  @param bufferSize  A UInt32 representing the length of the incoming audio buffer
  @param historyInfo A pointer to a EZPlotHistoryInfo structure to use for managing the history buffers
  */
++ (void)appendBufferRMS:(float *)buffer
+         withBufferSize:(UInt32)bufferSize
+          toHistoryInfo:(EZPlotHistoryInfo *)historyInfo;
+
+//------------------------------------------------------------------------------
+
+/**
+ Appends a buffer of audio data to the tail of a EZPlotHistoryInfo data structure. Thread-safe.
+ @param buffer      A float array containing the incoming audio buffer to append to the history buffer
+ @param bufferSize  A UInt32 representing the length of the incoming audio buffer
+ @param historyInfo A pointer to a EZPlotHistoryInfo structure to use for managing the history buffers
+ */
 + (void)appendBuffer:(float *)buffer
       withBufferSize:(UInt32)bufferSize
        toHistoryInfo:(EZPlotHistoryInfo *)historyInfo;
@@ -529,4 +546,4 @@ typedef NSRect EZRect;
 
 //------------------------------------------------------------------------------
 
-@end
+@end

EZAudio/EZAudioUtilities.m

@@ -25,6 +25,22 @@
 
 #import "EZAudioUtilities.h"
 
+static float    const  EZAudioUtilitiesFixedNoteA       = 440.0f;
+static int      const  EZAudioUtilitiesFixedNoteAIndex  = 9;
+static int      const  EZAudioUtilitiesFixedNoteAOctave = 4;
+static float    const  EZAudioUtilitiesEQFrequencyRatio = 1.059463094359f;
+static int      const  EZAudioUtilitiesNotesLength      = 12;
+static NSString * const EZAudioUtilitiesNotes[EZAudioUtilitiesNotesLength] =
+{
+    @"C", @"C#",
+    @"D", @"D#",
+    @"E",
+    @"F", @"F#",
+    @"G", @"G#",
+    @"A", @"A#",
+    @"B"
+};
+
 BOOL __shouldExitOnCheckResultFail = YES;
 
 @implementation EZAudioUtilities
@@ -53,15 +69,29 @@ BOOL __shouldExitOnCheckResultFail = YES;
                                       numberOfChannels:(UInt32)channels
                                            interleaved:(BOOL)interleaved
 {
-    AudioBufferList *audioBufferList = (AudioBufferList*)malloc(sizeof(AudioBufferList) + sizeof(AudioBuffer) * (channels-1));
-    UInt32 outputBufferSize = 32 * frames; // 32 KB
-    audioBufferList->mNumberBuffers = interleaved ? 1 : channels;
-    for(int i = 0; i < audioBufferList->mNumberBuffers; i++)
+    unsigned nBuffers;
+    unsigned bufferSize;
+    unsigned channelsPerBuffer;
+    if (interleaved)
     {
-        audioBufferList->mBuffers[i].mNumberChannels = channels;
-        audioBufferList->mBuffers[i].mDataByteSize = channels * outputBufferSize;
-        audioBufferList->mBuffers[i].mData = (float *)malloc(channels * sizeof(float) *outputBufferSize);
-        memset(audioBufferList->mBuffers[i].mData, 0, frames);
+        nBuffers = 1;
+        bufferSize = sizeof(float) * frames * channels;
+        channelsPerBuffer = channels;
+    }
+    else
+    {
+        nBuffers = channels;
+        bufferSize = sizeof(float) * frames;
+        channelsPerBuffer = 1;
+    }
+    
+    AudioBufferList *audioBufferList = (AudioBufferList *)malloc(sizeof(AudioBufferList) + sizeof(AudioBuffer) * (channels-1));
+    audioBufferList->mNumberBuffers = nBuffers;
+    for(unsigned i = 0; i < nBuffers; i++)
+    {
+        audioBufferList->mBuffers[i].mNumberChannels = channelsPerBuffer;
+        audioBufferList->mBuffers[i].mDataByteSize = bufferSize;
+        audioBufferList->mBuffers[i].mData = calloc(bufferSize, 1);
     }
     return audioBufferList;
 }
@@ -106,6 +136,11 @@ BOOL __shouldExitOnCheckResultFail = YES;
 
 + (void)freeFloatBuffers:(float **)buffers numberOfChannels:(UInt32)channels
 {
+    if (!buffers || !*buffers)
+    {
+        return;
+    }
+
     for (int i = 0; i < channels; i++)
     {
         free(buffers[i]);
@@ -150,7 +185,7 @@ BOOL __shouldExitOnCheckResultFail = YES;
                                                          NULL,
                                                          &propSize,
                                                          &asbd)
-                        operation:"Failed to fill out the rest of the m4a AudioStreamBasicDescription"];
+                        operation:"Failed to fill out the rest of the iLBC AudioStreamBasicDescription"];
     
     return asbd;
 }
@@ -424,11 +459,11 @@ BOOL __shouldExitOnCheckResultFail = YES;
 
 //------------------------------------------------------------------------------
 
-+(float)MAP:(float)value
-    leftMin:(float)leftMin
-    leftMax:(float)leftMax
-   rightMin:(float)rightMin
-   rightMax:(float)rightMax
++ (float)MAP:(float)value
+     leftMin:(float)leftMin
+     leftMax:(float)leftMax
+    rightMin:(float)rightMin
+    rightMax:(float)rightMax
 {
     float leftSpan    = leftMax  - leftMin;
     float rightSpan   = rightMax - rightMin;
@@ -438,8 +473,7 @@ BOOL __shouldExitOnCheckResultFail = YES;
 
 //------------------------------------------------------------------------------
 
-+(float)RMS:(float *)buffer
-     length:(int)bufferSize
++ (float)RMS:(float *)buffer   length:(int)bufferSize
 {
     float sum = 0.0;
     for(int i = 0; i < bufferSize; i++)
@@ -449,11 +483,42 @@ BOOL __shouldExitOnCheckResultFail = YES;
 
 //------------------------------------------------------------------------------
 
-+(float)SGN:(float)value
++ (float)SGN:(float)value
 {
     return value < 0 ? -1.0f : ( value > 0 ? 1.0f : 0.0f);
 }
 
+//------------------------------------------------------------------------------
+#pragma mark - Music Utilities
+//------------------------------------------------------------------------------
+
++ (NSString *)noteNameStringForFrequency:(float)frequency
+                           includeOctave:(BOOL)includeOctave
+{
+    NSMutableString *noteName = [NSMutableString string];
+    int halfStepsFromFixedNote = roundf(log(frequency / EZAudioUtilitiesFixedNoteA) / log(EZAudioUtilitiesEQFrequencyRatio));
+    int halfStepsModOctaves = halfStepsFromFixedNote % EZAudioUtilitiesNotesLength;
+    int indexOfNote = EZAudioUtilitiesFixedNoteAIndex + halfStepsModOctaves;
+    float octaves = halfStepsFromFixedNote / EZAudioUtilitiesNotesLength;
+    if (indexOfNote >= EZAudioUtilitiesNotesLength)
+    {
+        indexOfNote -= EZAudioUtilitiesNotesLength;
+        octaves += 1;
+    }
+    else if (indexOfNote < 0)
+    {
+        indexOfNote += EZAudioUtilitiesNotesLength;
+        octaves = -1;
+    }
+    [noteName appendString:EZAudioUtilitiesNotes[indexOfNote]];
+    if (includeOctave)
+    {
+        int noteOctave = EZAudioUtilitiesFixedNoteAOctave + octaves;
+        [noteName appendFormat:@"%i", noteOctave];
+    }
+    return noteName;
+}
+
 //------------------------------------------------------------------------------
 #pragma mark - OSStatus Utility
 //------------------------------------------------------------------------------
@@ -590,6 +655,21 @@ BOOL __shouldExitOnCheckResultFail = YES;
 #pragma mark - EZPlotHistoryInfo Utility
 //------------------------------------------------------------------------------
 
++ (void)appendBufferRMS:(float *)buffer
+         withBufferSize:(UInt32)bufferSize
+          toHistoryInfo:(EZPlotHistoryInfo *)historyInfo
+{
+    //
+    // Calculate RMS and append to buffer
+    //
+    float rms = [EZAudioUtilities RMS:buffer length:bufferSize];
+    float src[1];
+    src[0] = isnan(rms) ? 0.0 : rms;
+    [self appendBuffer:src withBufferSize:1 toHistoryInfo:historyInfo];
+}
+
+//------------------------------------------------------------------------------
+
 + (void)appendBuffer:(float *)buffer
       withBufferSize:(UInt32)bufferSize
        toHistoryInfo:(EZPlotHistoryInfo *)historyInfo
@@ -605,10 +685,7 @@ BOOL __shouldExitOnCheckResultFail = YES;
     //
     // Update the scroll history datasource
     //
-    float rms = [EZAudioUtilities RMS:buffer length:bufferSize];
-    float src[1];
-    src[0] = isnan(rms) ? 0.0 : rms;
-    TPCircularBufferProduceBytes(&historyInfo->circularBuffer, src, sizeof(src));
+    TPCircularBufferProduceBytes(&historyInfo->circularBuffer, buffer, bufferSize * sizeof(float));
     int32_t targetBytes = historyInfo->bufferSize * sizeof(float);
     int32_t availableBytes = 0;
     float *historyBuffer = TPCircularBufferTail(&historyInfo->circularBuffer, &availableBytes);
@@ -664,4 +741,4 @@ BOOL __shouldExitOnCheckResultFail = YES;
 
 //------------------------------------------------------------------------------
 
-@end
+@end

EZAudio/EZAudioiOS.h

@@ -0,0 +1,26 @@
+//
+//  EZAudioiOS.m
+//  EZAudio
+//
+//  Created by Tommaso Piazza on 30/09/15.
+//  Copyright © 2015 Andrew Breckenridge. All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+
+#import <EZAudioiOS/EZAudio.h>

EZAudio/EZMicrophone.h

@@ -54,6 +54,15 @@
 /// @name Audio Data Description
 ///-----------------------------------------------------------
 
+/**
+ Called anytime the EZMicrophone starts or stops.
+ @param output The instance of the EZMicrophone that triggered the event.
+ @param isPlaying A BOOL indicating whether the EZMicrophone instance is playing or not.
+ */
+- (void)microphone:(EZMicrophone *)microphone changedPlayingState:(BOOL)isPlaying;
+
+//------------------------------------------------------------------------------
+
 /**
  Called anytime the input device changes on an `EZMicrophone` instance.
  @param microphone The instance of the EZMicrophone that triggered the event.

EZAudio/EZMicrophone.m

@@ -70,7 +70,8 @@ static OSStatus EZAudioMicrophoneCallback(void                       *inRefCon,
 - (void)dealloc
 {
     [[NSNotificationCenter defaultCenter] removeObserver:self];
-    [EZAudioUtilities checkResult:AudioUnitUninitialize(self.info->audioUnit) operation:"Failed to unintialize audio unit for microphone"];
+    [EZAudioUtilities checkResult:AudioUnitUninitialize(self.info->audioUnit)
+                        operation:"Failed to unintialize audio unit for microphone"];
     [EZAudioUtilities freeBufferList:self.info->audioBufferList];
     [EZAudioUtilities freeFloatBuffers:self.info->floatData
                       numberOfChannels:self.info->streamFormat.mChannelsPerFrame];
@@ -116,11 +117,7 @@ static OSStatus EZAudioMicrophoneCallback(void                       *inRefCon,
     self = [self initWithMicrophoneDelegate:delegate];
     if(self)
     {
-        self.info = (EZMicrophoneInfo *)malloc(sizeof(EZMicrophoneInfo));
-        memset(self.info, 0, sizeof(EZMicrophoneInfo));
-        self.info->streamFormat = audioStreamBasicDescription;
-        _delegate = delegate;
-        [self setup];
+        [self setAudioStreamBasicDescription:audioStreamBasicDescription];
     }
     return self;
 }
@@ -239,13 +236,8 @@ static OSStatus EZAudioMicrophoneCallback(void                       *inRefCon,
                                                        &flag,
                                                        sizeof(flag))
                         operation:"Couldn't enable input on remote IO unit."];
-    EZAudioDevice *currentInputDevice = [EZAudioDevice currentInputDevice];
-    [self setDevice:currentInputDevice];
-#elif TARGET_OS_MAC
-    NSArray *inputDevices = [EZAudioDevice inputDevices];
-    EZAudioDevice *defaultMicrophone = [inputDevices lastObject];
-    [self setDevice:defaultMicrophone];
 #endif
+    [self setDevice:[EZAudioDevice currentInputDevice]];
     
     UInt32 propSize = sizeof(self.info->inputFormat);
     [EZAudioUtilities checkResult:AudioUnitGetProperty(self.info->audioUnit,
@@ -260,11 +252,7 @@ static OSStatus EZAudioMicrophoneCallback(void                       *inRefCon,
     NSAssert(self.info->inputFormat.mSampleRate, @"Expected AVAudioSession sample rate to be greater than 0.0. Did you setup the audio session?");
 #elif TARGET_OS_MAC
 #endif
-    if (self.info->streamFormat.mSampleRate == 0.0)
-    {
-        self.info->streamFormat = [self defaultStreamFormat];
-    }
-    [self setAudioStreamBasicDescription:self.info->streamFormat];
+    [self setAudioStreamBasicDescription:[self defaultStreamFormat]];
     
     // render callback
     AURenderCallbackStruct renderCallbackStruct;
@@ -349,16 +337,38 @@ static OSStatus EZAudioMicrophoneCallback(void                       *inRefCon,
 
 -(void)startFetchingAudio
 {
+    //
+    // Start output unit
+    //
     [EZAudioUtilities checkResult:AudioOutputUnitStart(self.info->audioUnit)
                         operation:"Failed to start microphone audio unit"];
+    
+    //
+    // Notify delegate
+    //
+    if ([self.delegate respondsToSelector:@selector(microphone:changedPlayingState:)])
+    {
+        [self.delegate microphone:self changedPlayingState:YES];
+    }
 }
 
 //------------------------------------------------------------------------------
 
 -(void)stopFetchingAudio
 {
+    //
+    // Stop output unit
+    //
     [EZAudioUtilities checkResult:AudioOutputUnitStop(self.info->audioUnit)
                         operation:"Failed to stop microphone audio unit"];
+    
+    //
+    // Notify delegate
+    //
+    if ([self.delegate respondsToSelector:@selector(microphone:changedPlayingState:)])
+    {
+        [self.delegate microphone:self changedPlayingState:NO];
+    }
 }
 
 //------------------------------------------------------------------------------
@@ -420,7 +430,9 @@ static OSStatus EZAudioMicrophoneCallback(void                       *inRefCon,
                           numberOfChannels:self.info->streamFormat.mChannelsPerFrame];
     }
     
-    // set new stream format
+    //
+    // Set new stream format
+    //
     self.info->streamFormat = asbd;
     [EZAudioUtilities checkResult:AudioUnitSetProperty(self.info->audioUnit,
                                                        kAudioUnitProperty_StreamFormat,
@@ -437,7 +449,9 @@ static OSStatus EZAudioMicrophoneCallback(void                       *inRefCon,
                                                        sizeof(asbd))
                         operation:"Failed to set stream format on output scope"];
     
-    // allocate float buffers
+    //
+    // Allocate scratch buffers
+    //
     UInt32 maximumBufferSize = [self maximumBufferSize];
     BOOL isInterleaved = [EZAudioUtilities isInterleaved:asbd];
     UInt32 channels = asbd.mChannelsPerFrame;
@@ -445,10 +459,11 @@ static OSStatus EZAudioMicrophoneCallback(void                       *inRefCon,
     self.info->floatData = [EZAudioUtilities floatBuffersWithNumberOfFrames:maximumBufferSize
                                                       numberOfChannels:channels];
     self.info->audioBufferList = [EZAudioUtilities audioBufferListWithNumberOfFrames:maximumBufferSize
-                                                               numberOfChannels:channels
-                                                                    interleaved:isInterleaved];
-    
-    // notify delegate
+                                                                    numberOfChannels:channels
+                                                                         interleaved:isInterleaved];
+    //
+    // Notify delegate
+    //
     if ([self.delegate respondsToSelector:@selector(microphone:hasAudioStreamBasicDescription:)])
     {
         [self.delegate microphone:self hasAudioStreamBasicDescription:asbd];
@@ -518,10 +533,14 @@ static OSStatus EZAudioMicrophoneCallback(void                       *inRefCon,
                         operation:"Couldn't set default device on I/O unit"];
 #endif
     
-    // store device
+    //
+    // Store device
+    //
     _device = device;
     
-    // notify delegate
+    //
+    // Notify delegate
+    //
     if ([self.delegate respondsToSelector:@selector(microphone:changedDevice:)])
     {
         [self.delegate microphone:self changedDevice:device];
@@ -593,7 +612,17 @@ static OSStatus EZAudioMicrophoneCallback(void                       *inRefCon,
     EZMicrophone *microphone = (__bridge EZMicrophone *)inRefCon;
     EZMicrophoneInfo *info = (EZMicrophoneInfo *)microphone.info;
     
-    // render audio into buffer
+    //
+    // Make sure the size of each buffer in the stored buffer array
+    // is properly set using the actual number of frames coming in!
+    //
+    for (int i = 0; i < info->audioBufferList->mNumberBuffers; i++) {
+        info->audioBufferList->mBuffers[i].mDataByteSize = inNumberFrames * info->streamFormat.mBytesPerFrame;
+    }
+    
+    //
+    // Render audio into buffer
+    //
     OSStatus result = AudioUnitRender(info->audioUnit,
                                       ioActionFlags,
                                       inTimeStamp,
@@ -601,7 +630,9 @@ static OSStatus EZAudioMicrophoneCallback(void                       *inRefCon,
                                       inNumberFrames,
                                       info->audioBufferList);
     
-    // notify delegate of new buffer list to process
+    //
+    // Notify delegate of new buffer list to process
+    //
     if ([microphone.delegate respondsToSelector:@selector(microphone:hasBufferList:withBufferSize:withNumberOfChannels:)])
     {
         [microphone.delegate microphone:microphone
@@ -610,10 +641,14 @@ static OSStatus EZAudioMicrophoneCallback(void                       *inRefCon,
                    withNumberOfChannels:info->streamFormat.mChannelsPerFrame];
     }
     
-    // notify delegate of new float data processed
+    //
+    // Notify delegate of new float data processed
+    //
     if ([microphone.delegate respondsToSelector:@selector(microphone:hasAudioReceived:withBufferSize:withNumberOfChannels:)])
     {
-        // convert to float
+        //
+        // Convert to float
+        //
         [microphone.floatConverter convertDataFromAudioBufferList:info->audioBufferList
                                                withNumberOfFrames:inNumberFrames
                                                    toFloatBuffers:info->floatData];

EZAudio/EZOutput.m

@@ -108,8 +108,8 @@ OSStatus EZOutputGraphRenderCallback(void                       *inRefCon,
                         operation:"Failed to stop graph"];
     [EZAudioUtilities checkResult:AUGraphClose(self.info->graph)
                         operation:"Failed to close graph"];
-    [EZAudioUtilities checkResult:AUGraphUninitialize(self.info->graph)
-                        operation:"Failed to uninitialize graph"];
+    [EZAudioUtilities checkResult:DisposeAUGraph(self.info->graph)
+                        operation:"Failed to dispose of graph"];
     free(self.info);
 }
 
@@ -314,14 +314,11 @@ OSStatus EZOutputGraphRenderCallback(void                       *inRefCon,
     [self setClientFormat:[self defaultClientFormat]];
     [self setInputFormat:[self defaultInputFormat]];
     
-#if TARGET_OS_IPHONE
+    //
+    // Use the default device
+    //
     EZAudioDevice *currentOutputDevice = [EZAudioDevice currentOutputDevice];
     [self setDevice:currentOutputDevice];
-#elif TARGET_OS_MAC
-    NSArray *outputDevices = [EZAudioDevice outputDevices];
-    EZAudioDevice *defaultOutput = [outputDevices firstObject];
-    [self setDevice:defaultOutput];
-#endif
     
     //
     // Set maximum frames per slice to 4096 to allow playback during

EZAudio/EZPlot.h

@@ -75,32 +75,40 @@ typedef NS_ENUM(NSInteger, EZPlotType)
 /**
  The default background color of the plot. For iOS the color is specified as a UIColor while for OSX the color is an NSColor. The default value on both platforms is black.
  */
-@property (nonatomic,strong) id backgroundColor;
+#if TARGET_OS_IPHONE
+@property (nonatomic, strong) IBInspectable UIColor *backgroundColor;
+#elif TARGET_OS_MAC
+@property (nonatomic, strong) IBInspectable NSColor *backgroundColor;
+#endif
 
 /**
  The default color of the plot's data (i.e. waveform, y-axis values). For iOS the color is specified as a UIColor while for OSX the color is an NSColor. The default value on both platforms is red.
  */
-@property (nonatomic,strong) id color;
+#if TARGET_OS_IPHONE
+@property (nonatomic, strong) IBInspectable UIColor *color;
+#elif TARGET_OS_MAC
+@property (nonatomic, strong) IBInspectable NSColor *color;
+#endif
 
 /**
  The plot's gain value, which controls the scale of the y-axis values. The default value of the gain is 1.0f and should always be greater than 0.0f.
  */
-@property (nonatomic,assign,setter=setGain:) float gain;
+@property (nonatomic, assign) IBInspectable float gain;
 
 /**
  The type of plot as specified by the `EZPlotType` enumeration (i.e. a buffer or rolling plot type).
  */
-@property (nonatomic,assign,setter=setPlotType:) EZPlotType plotType;
+@property (nonatomic, assign) IBInspectable EZPlotType plotType;
 
 /**
  A boolean indicating whether or not to fill in the graph. A value of YES will make a filled graph (filling in the space between the x-axis and the y-value), while a value of NO will create a stroked graph (connecting the points along the y-axis).
  */
-@property (nonatomic,assign,setter=setShouldFill:) BOOL shouldFill;
+@property (nonatomic, assign) IBInspectable BOOL shouldFill;
 
 /**
  A boolean indicating whether the graph should be rotated along the x-axis to give a mirrored reflection. This is typical for audio plots to produce the classic waveform look. A value of YES will produce a mirrored reflection of the y-values about the x-axis, while a value of NO will only plot the y-values.
  */
-@property (nonatomic,assign,setter=setShouldMirror:) BOOL shouldMirror;
+@property (nonatomic, assign) IBInspectable BOOL shouldMirror;
 
 //------------------------------------------------------------------------------
 #pragma mark - Clearing
@@ -129,7 +137,6 @@ typedef NS_ENUM(NSInteger, EZPlotType)
  @param bufferSize The size of the float array that will be mapped to the y-axis.
  @warning The bufferSize is expected to be the same, constant value once initial triggered. For plots using OpenGL a vertex buffer object will be allocated with a maximum buffersize of (2 * the initial given buffer size) to account for any interpolation necessary for filling in the graph. Updates use the glBufferSubData(...) function, which will crash if the buffersize exceeds the initial maximum allocated size.
  */
--(void)updateBuffer:(float *)buffer
-     withBufferSize:(UInt32)bufferSize;
+-(void)updateBuffer:(float *)buffer withBufferSize:(UInt32)bufferSize;
 
 @end

EZAudio/EZRecorder.h

@@ -0,0 +1,364 @@
+//
+//  EZRecorder.h
+//  EZAudio
+//
+//  Created by Syed Haris Ali on 12/1/13.
+//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+#import <AudioToolbox/AudioToolbox.h>
+
+@class EZRecorder;
+
+//------------------------------------------------------------------------------
+#pragma mark - Data Structures
+//------------------------------------------------------------------------------
+
+/**
+ To ensure valid recording formats are used when recording to a file the EZRecorderFileType describes the most common file types that a file can be encoded in. Each of these types can be used to output recordings as such:
+ 
+ EZRecorderFileTypeAIFF - .aif, .aiff, .aifc, .aac
+ EZRecorderFileTypeM4A  - .m4a, .mp4
+ EZRecorderFileTypeWAV  - .wav
+ 
+ */
+typedef NS_ENUM(NSInteger, EZRecorderFileType)
+{
+    /**
+     Recording format that describes AIFF file types. These are uncompressed, LPCM files that are completely lossless, but are large in file size.
+     */
+    EZRecorderFileTypeAIFF,
+    /**
+     Recording format that describes M4A file types. These are compressed, but yield great results especially when file size is an issue.
+     */
+    EZRecorderFileTypeM4A,
+    /**
+     Recording format that describes WAV file types. These are uncompressed, LPCM files that are completely lossless, but are large in file size.
+     */
+    EZRecorderFileTypeWAV
+};
+
+//------------------------------------------------------------------------------
+#pragma mark - EZRecorderDelegate
+//------------------------------------------------------------------------------
+
+/**
+ The EZRecorderDelegate for the EZRecorder provides a receiver for write events, `recorderUpdatedCurrentTime:`, and the close event, `recorderDidClose:`.
+ */
+@protocol EZRecorderDelegate <NSObject>
+
+@optional
+
+/**
+ Triggers when the EZRecorder is explicitly closed with the `closeAudioFile` method.
+ @param recorder The EZRecorder instance that triggered the action
+ */
+- (void)recorderDidClose:(EZRecorder *)recorder;
+
+/**
+ Triggers after the EZRecorder has successfully written audio data from the `appendDataFromBufferList:withBufferSize:` method.
+ @param recorder The EZRecorder instance that triggered the action
+ */
+- (void)recorderUpdatedCurrentTime:(EZRecorder *)recorder;
+
+@end
+
+//------------------------------------------------------------------------------
+#pragma mark - EZRecorder
+//------------------------------------------------------------------------------
+
+/**
+ The EZRecorder provides a flexible way to create an audio file and append raw audio data to it. The EZRecorder will convert the incoming audio on the fly to the destination format so no conversion is needed between this and any other component. Right now the only supported output format is 'caf'. Each output file should have its own EZRecorder instance (think 1 EZRecorder = 1 audio file).
+ */
+@interface EZRecorder : NSObject
+
+//------------------------------------------------------------------------------
+#pragma mark - Properties
+//------------------------------------------------------------------------------
+
+/**
+ An EZRecorderDelegate to listen for the write and close events.
+ */
+@property (nonatomic, weak) id<EZRecorderDelegate> delegate;
+
+//------------------------------------------------------------------------------
+#pragma mark - Initializers
+//------------------------------------------------------------------------------
+
+///-----------------------------------------------------------
+/// @name Initializers
+///-----------------------------------------------------------
+
+/**
+ Creates an instance of the EZRecorder with a file path URL to write out the file to, a client format describing the in-application common format (see `clientFormat` for more info), and a file type (see `EZRecorderFileType`) that will automatically create an internal `fileFormat` and audio file type hint.
+ @param url             An NSURL representing the file path the output file should be written
+ @param clientFormat    An AudioStreamBasicDescription describing the in-applciation common format (always linear PCM)
+ @param fileType A constant described by the EZRecorderFileType that corresponds to the type of destination file that should be written. For instance, an AAC file written using an '.m4a' extension would correspond to EZRecorderFileTypeM4A. See EZRecorderFileType for all the constants and mapping combinations.
+ @return A newly created EZRecorder instance.
+ */
+- (instancetype)initWithURL:(NSURL *)url
+               clientFormat:(AudioStreamBasicDescription)clientFormat
+                   fileType:(EZRecorderFileType)fileType;
+
+//------------------------------------------------------------------------------
+
+/**
+ Creates an instance of the EZRecorder with a file path URL to write out the file to, a client format describing the in-application common format (see `clientFormat` for more info), and a file type (see `EZRecorderFileType`) that will automatically create an internal `fileFormat` and audio file type hint, as well as a delegate to respond to the recorder's write and close events.
+ @param url             An NSURL representing the file path the output file should be written
+ @param clientFormat    An AudioStreamBasicDescription describing the in-applciation common format (always linear PCM)
+ @param fileType A constant described by the EZRecorderFileType that corresponds to the type of destination file that should be written. For instance, an AAC file written using an '.m4a' extension would correspond to EZRecorderFileTypeM4A. See EZRecorderFileType for all the constants and mapping combinations.
+ @param delegate        An EZRecorderDelegate to listen for the recorder's write and close events.
+ @return A newly created EZRecorder instance.
+ */
+- (instancetype)initWithURL:(NSURL *)url
+               clientFormat:(AudioStreamBasicDescription)clientFormat
+                   fileType:(EZRecorderFileType)fileType
+                   delegate:(id<EZRecorderDelegate>)delegate;
+
+//------------------------------------------------------------------------------
+
+/**
+ Creates an instance of the EZRecorder with a file path URL to write out the file to, a client format describing the in-application common format (see `clientFormat` for more info), a file format describing the destination format on disk (see `fileFormat` for more info), and an audio file type (an AudioFileTypeID for Core Audio, not a EZRecorderFileType).
+ @param url             An NSURL representing the file path the output file should be written
+ @param clientFormat    An AudioStreamBasicDescription describing the in-applciation common format (always linear PCM)
+ @param fileFormat      An AudioStreamBasicDescription describing the format of the audio being written to disk (MP3, AAC, WAV, etc)
+ @param audioFileTypeID An AudioFileTypeID that matches your fileFormat (i.e. kAudioFileM4AType for an M4A format)
+ @return A newly created EZRecorder instance.
+ */
+- (instancetype)initWithURL:(NSURL *)url
+               clientFormat:(AudioStreamBasicDescription)clientFormat
+                 fileFormat:(AudioStreamBasicDescription)fileFormat
+            audioFileTypeID:(AudioFileTypeID)audioFileTypeID;
+
+//------------------------------------------------------------------------------
+
+/**
+ Creates an instance of the EZRecorder with a file path URL to write out the file to, a client format describing the in-application common format (see `clientFormat` for more info), a file format describing the destination format on disk (see `fileFormat` for more info), an audio file type (an AudioFileTypeID for Core Audio, not a EZRecorderFileType), and delegate to respond to the recorder's write and close events.
+ @param url             An NSURL representing the file path the output file should be written
+ @param clientFormat    An AudioStreamBasicDescription describing the in-applciation common format (always linear PCM)
+ @param fileFormat      An AudioStreamBasicDescription describing the format of the audio being written to disk (MP3, AAC, WAV, etc)
+ @param audioFileTypeID An AudioFileTypeID that matches your fileFormat (i.e. kAudioFileM4AType for an M4A format)
+ @param delegate        An EZRecorderDelegate to listen for the recorder's write and close events.
+ @return A newly created EZRecorder instance.
+ */
+- (instancetype)initWithURL:(NSURL *)url
+               clientFormat:(AudioStreamBasicDescription)clientFormat
+                 fileFormat:(AudioStreamBasicDescription)fileFormat
+            audioFileTypeID:(AudioFileTypeID)audioFileTypeID
+                   delegate:(id<EZRecorderDelegate>)delegate;
+
+//------------------------------------------------------------------------------
+
+/**
+ Creates a new instance of an EZRecorder using a destination file path URL and the source format of the incoming audio.
+ @param url                 An NSURL specifying the file path location of where the audio file should be written to.
+ @param sourceFormat        The AudioStreamBasicDescription for the incoming audio that will be written to the file.
+ @param destinationFileType A constant described by the EZRecorderFileType that corresponds to the type of destination file that should be written. For instance, an AAC file written using an '.m4a' extension would correspond to EZRecorderFileTypeM4A. See EZRecorderFileType for all the constants and mapping combinations.
+ @deprecated This property is deprecated starting in version 0.8.0.
+ @note Please use `initWithURL:clientFormat:fileType:` initializer instead.
+ @return The newly created EZRecorder instance.
+ */
+- (instancetype)initWithDestinationURL:(NSURL*)url
+                        sourceFormat:(AudioStreamBasicDescription)sourceFormat
+                 destinationFileType:(EZRecorderFileType)destinationFileType __attribute__((deprecated));
+
+//------------------------------------------------------------------------------
+#pragma mark - Class Initializers
+//------------------------------------------------------------------------------
+
+///-----------------------------------------------------------
+/// @name Class Initializers
+///-----------------------------------------------------------
+
+/**
+ Class method to create an instance of the EZRecorder with a file path URL to write out the file to, a client format describing the in-application common format (see `clientFormat` for more info), and a file type (see `EZRecorderFileType`) that will automatically create an internal `fileFormat` and audio file type hint.
+ @param url             An NSURL representing the file path the output file should be written
+ @param clientFormat    An AudioStreamBasicDescription describing the in-applciation common format (always linear PCM)
+ @param fileType A constant described by the EZRecorderFileType that corresponds to the type of destination file that should be written. For instance, an AAC file written using an '.m4a' extension would correspond to EZRecorderFileTypeM4A. See EZRecorderFileType for all the constants and mapping combinations.
+ @return A newly created EZRecorder instance.
+ */
++ (instancetype)recorderWithURL:(NSURL *)url
+                   clientFormat:(AudioStreamBasicDescription)clientFormat
+                       fileType:(EZRecorderFileType)fileType;
+
+//------------------------------------------------------------------------------
+
+/**
+ Class method to create an instance of the EZRecorder with a file path URL to write out the file to, a client format describing the in-application common format (see `clientFormat` for more info), and a file type (see `EZRecorderFileType`) that will automatically create an internal `fileFormat` and audio file type hint, as well as a delegate to respond to the recorder's write and close events.
+ @param url             An NSURL representing the file path the output file should be written
+ @param clientFormat    An AudioStreamBasicDescription describing the in-applciation common format (always linear PCM)
+ @param fileType A constant described by the EZRecorderFileType that corresponds to the type of destination file that should be written. For instance, an AAC file written using an '.m4a' extension would correspond to EZRecorderFileTypeM4A. See EZRecorderFileType for all the constants and mapping combinations.
+ @param delegate        An EZRecorderDelegate to listen for the recorder's write and close events.
+ @return A newly created EZRecorder instance.
+ */
++ (instancetype)recorderWithURL:(NSURL *)url
+                   clientFormat:(AudioStreamBasicDescription)clientFormat
+                       fileType:(EZRecorderFileType)fileType
+                       delegate:(id<EZRecorderDelegate>)delegate;
+
+//------------------------------------------------------------------------------
+
+/**
+ Class method to create an instance of the EZRecorder with a file path URL to write out the file to, a client format describing the in-application common format (see `clientFormat` for more info), a file format describing the destination format on disk (see `fileFormat` for more info), and an audio file type (an AudioFileTypeID for Core Audio, not a EZRecorderFileType).
+ @param url             An NSURL representing the file path the output file should be written
+ @param clientFormat    An AudioStreamBasicDescription describing the in-applciation common format (always linear PCM)
+ @param fileFormat      An AudioStreamBasicDescription describing the format of the audio being written to disk (MP3, AAC, WAV, etc)
+ @param audioFileTypeID An AudioFileTypeID that matches your fileFormat (i.e. kAudioFileM4AType for an M4A format)
+ @return A newly created EZRecorder instance.
+ */
++ (instancetype)recorderWithURL:(NSURL *)url
+                   clientFormat:(AudioStreamBasicDescription)clientFormat
+                     fileFormat:(AudioStreamBasicDescription)fileFormat
+                audioFileTypeID:(AudioFileTypeID)audioFileTypeID;
+
+//------------------------------------------------------------------------------
+
+/**
+ Class method to create an instance of the EZRecorder with a file path URL to write out the file to, a client format describing the in-application common format (see `clientFormat` for more info), a file format describing the destination format on disk (see `fileFormat` for more info), an audio file type (an AudioFileTypeID for Core Audio, not a EZRecorderFileType), and delegate to respond to the recorder's write and close events.
+ @param url             An NSURL representing the file path the output file should be written
+ @param clientFormat    An AudioStreamBasicDescription describing the in-applciation common format (always linear PCM)
+ @param fileFormat      An AudioStreamBasicDescription describing the format of the audio being written to disk (MP3, AAC, WAV, etc)
+ @param audioFileTypeID An AudioFileTypeID that matches your fileFormat (i.e. kAudioFileM4AType for an M4A format)
+ @param delegate        An EZRecorderDelegate to listen for the recorder's write and close events.
+ @return A newly created EZRecorder instance.
+ */
++ (instancetype)recorderWithURL:(NSURL *)url
+                   clientFormat:(AudioStreamBasicDescription)clientFormat
+                     fileFormat:(AudioStreamBasicDescription)fileFormat
+                audioFileTypeID:(AudioFileTypeID)audioFileTypeID
+                       delegate:(id<EZRecorderDelegate>)delegate;
+
+//------------------------------------------------------------------------------
+
+/**
+ Class method to create a new instance of an EZRecorder using a destination file path URL and the source format of the incoming audio.
+ @param url                 An NSURL specifying the file path location of where the audio file should be written to.
+ @param sourceFormat        The AudioStreamBasicDescription for the incoming audio that will be written to the file (also called the `clientFormat`).
+ @param destinationFileType A constant described by the EZRecorderFileType that corresponds to the type of destination file that should be written. For instance, an AAC file written using an '.m4a' extension would correspond to EZRecorderFileTypeM4A. See EZRecorderFileType for all the constants and mapping combinations.
+ @return The newly created EZRecorder instance.
+ */
++ (instancetype)recorderWithDestinationURL:(NSURL*)url
+                             sourceFormat:(AudioStreamBasicDescription)sourceFormat
+                      destinationFileType:(EZRecorderFileType)destinationFileType __attribute__((deprecated));
+
+//------------------------------------------------------------------------------
+#pragma mark - Properties
+//------------------------------------------------------------------------------
+
+///-----------------------------------------------------------
+/// @name Getting The Recorder's Properties
+///-----------------------------------------------------------
+
+/**
+ Provides the common AudioStreamBasicDescription that will be used for in-app interaction. The recorder's format will be converted from this format to the `fileFormat`. For instance, the file on disk could be a 22.5 kHz, float format, but we might have an audio processing graph that has a 44.1 kHz, signed integer format that we'd like to interact with. The client format lets us set that 44.1 kHz format on the recorder to properly write samples from the graph out to the file in the desired destination format.
+ @warning This must be a linear PCM format!
+ @return An AudioStreamBasicDescription structure describing the format of the audio file.
+ */
+@property (readwrite) AudioStreamBasicDescription clientFormat;
+//------------------------------------------------------------------------------
+
+/**
+ Provides the current write offset in the audio file as an NSTimeInterval (i.e. in seconds).  When setting this it will determine the correct frame offset and perform a `seekToFrame` to the new time offset.
+ @warning Make sure the new current time offset is less than the `duration` or you will receive an invalid seek assertion.
+ */
+@property (readonly) NSTimeInterval currentTime;
+
+//------------------------------------------------------------------------------
+
+/**
+ Provides the duration of the audio file in seconds.
+ */
+@property (readonly) NSTimeInterval duration;
+
+//------------------------------------------------------------------------------
+
+/**
+ Provides the AudioStreamBasicDescription structure containing the format of the recorder's audio file.
+ @return An AudioStreamBasicDescription structure describing the format of the audio file.
+ */
+@property (readonly) AudioStreamBasicDescription fileFormat;
+
+//------------------------------------------------------------------------------
+
+/**
+ Provides the current time as an NSString with the time format MM:SS.
+ */
+@property (readonly) NSString *formattedCurrentTime;
+
+//------------------------------------------------------------------------------
+
+/**
+ Provides the duration as an NSString with the time format MM:SS.
+ */
+@property (readonly) NSString *formattedDuration;
+
+//------------------------------------------------------------------------------
+
+/**
+ Provides the frame index (a.k.a the write positon) within the audio file as SInt64. This can be helpful when seeking through the audio file.
+ @return The current frame index within the audio file as a SInt64.
+ */
+@property (readonly) SInt64 frameIndex;
+
+//------------------------------------------------------------------------------
+
+/**
+ Provides the total frame count of the recorder's audio file in the file format.
+ @return The total number of frames in the recorder in the AudioStreamBasicDescription representing the file format as a SInt64.
+ */
+@property (readonly) SInt64 totalFrames;
+
+//------------------------------------------------------------------------------
+
+/**
+ Provides the file path that's currently being used by the recorder.
+ @return  The NSURL representing the file path of the recorder path being used for recording.
+ */
+- (NSURL *)url;
+
+//------------------------------------------------------------------------------
+#pragma mark - Events
+//------------------------------------------------------------------------------
+
+///-----------------------------------------------------------
+/// @name Appending Data To The Recorder
+///-----------------------------------------------------------
+
+/**
+ Appends audio data to the tail of the output file from an AudioBufferList.
+ @param bufferList The AudioBufferList holding the audio data to append
+ @param bufferSize The size of each of the buffers in the buffer list.
+ */
+- (void)appendDataFromBufferList:(AudioBufferList *)bufferList
+                  withBufferSize:(UInt32)bufferSize;
+
+//------------------------------------------------------------------------------
+
+///-----------------------------------------------------------
+/// @name Closing The Recorder
+///-----------------------------------------------------------
+
+/**
+ Finishes writes to the recorder's audio file and closes it.
+ */
+- (void)closeAudioFile;
+
+@end

EZAudio/EZRecorder.m

@@ -0,0 +1,456 @@
+//
+//  EZRecorder.m
+//  EZAudio
+//
+//  Created by Syed Haris Ali on 12/1/13.
+//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+
+#import "EZRecorder.h"
+#import "EZAudioUtilities.h"
+
+//------------------------------------------------------------------------------
+#pragma mark - Data Structures
+//------------------------------------------------------------------------------
+
+typedef struct
+{
+    AudioFileTypeID             audioFileTypeID;
+    ExtAudioFileRef             extAudioFileRef;
+    AudioStreamBasicDescription clientFormat;
+    BOOL                        closed;
+    CFURLRef                    fileURL;
+    AudioStreamBasicDescription fileFormat;
+} EZRecorderInfo;
+
+//------------------------------------------------------------------------------
+#pragma mark - EZRecorder (Interface Extension)
+//------------------------------------------------------------------------------
+
+@interface EZRecorder ()
+@property (nonatomic, assign) EZRecorderInfo *info;
+@end
+
+//------------------------------------------------------------------------------
+#pragma mark - EZRecorder (Implementation)
+//------------------------------------------------------------------------------
+
+@implementation EZRecorder
+
+//------------------------------------------------------------------------------
+#pragma mark - Dealloc
+//------------------------------------------------------------------------------
+
+- (void)dealloc
+{
+    if (!self.info->closed)
+    {
+        [self closeAudioFile];
+    }
+    free(self.info);
+}
+
+//------------------------------------------------------------------------------
+#pragma mark - Initializers
+//------------------------------------------------------------------------------
+
+- (instancetype)initWithURL:(NSURL *)url
+               clientFormat:(AudioStreamBasicDescription)clientFormat
+                   fileType:(EZRecorderFileType)fileType
+{
+    return [self initWithURL:url
+                clientFormat:clientFormat
+                    fileType:fileType
+                    delegate:nil];
+}
+
+//------------------------------------------------------------------------------
+
+- (instancetype)initWithURL:(NSURL *)url
+               clientFormat:(AudioStreamBasicDescription)clientFormat
+                   fileType:(EZRecorderFileType)fileType
+                   delegate:(id<EZRecorderDelegate>)delegate
+{
+    AudioStreamBasicDescription fileFormat = [EZRecorder formatForFileType:fileType
+                                                          withSourceFormat:clientFormat];
+    AudioFileTypeID audioFileTypeID = [EZRecorder fileTypeIdForFileType:fileType
+                                                       withSourceFormat:clientFormat];
+    return [self initWithURL:url
+                clientFormat:clientFormat
+                  fileFormat:fileFormat
+             audioFileTypeID:audioFileTypeID
+                    delegate:delegate];
+}
+
+//------------------------------------------------------------------------------
+
+- (instancetype)initWithURL:(NSURL *)url
+               clientFormat:(AudioStreamBasicDescription)clientFormat
+                 fileFormat:(AudioStreamBasicDescription)fileFormat
+            audioFileTypeID:(AudioFileTypeID)audioFileTypeID
+{
+    return [self initWithURL:url
+                clientFormat:clientFormat
+                  fileFormat:fileFormat
+             audioFileTypeID:audioFileTypeID
+                    delegate:nil];
+}
+
+//------------------------------------------------------------------------------
+
+- (instancetype)initWithURL:(NSURL *)url
+               clientFormat:(AudioStreamBasicDescription)clientFormat
+                 fileFormat:(AudioStreamBasicDescription)fileFormat
+            audioFileTypeID:(AudioFileTypeID)audioFileTypeID
+                   delegate:(id<EZRecorderDelegate>)delegate
+{
+    
+    self = [super init];
+    if (self)
+    {
+        // Set defaults
+        self.info = (EZRecorderInfo *)calloc(1, sizeof(EZRecorderInfo));
+        self.info->audioFileTypeID  = audioFileTypeID;
+        self.info->fileURL = (__bridge CFURLRef)url;
+        self.info->clientFormat = clientFormat;
+        self.info->fileFormat = fileFormat;
+        self.delegate = delegate;
+        [self setup];
+    }
+    return self;
+}
+
+//------------------------------------------------------------------------------
+
+- (instancetype)initWithDestinationURL:(NSURL*)url
+                        sourceFormat:(AudioStreamBasicDescription)sourceFormat
+                 destinationFileType:(EZRecorderFileType)destinationFileType
+{
+    return [self initWithURL:url
+                clientFormat:sourceFormat
+                    fileType:destinationFileType];
+}
+
+//------------------------------------------------------------------------------
+#pragma mark - Class Initializers
+//------------------------------------------------------------------------------
+
++ (instancetype)recorderWithURL:(NSURL *)url
+                   clientFormat:(AudioStreamBasicDescription)clientFormat
+                       fileType:(EZRecorderFileType)fileType
+{
+    return [[self alloc] initWithURL:url
+                        clientFormat:clientFormat
+                            fileType:fileType];
+}
+
+//------------------------------------------------------------------------------
+
++ (instancetype)recorderWithURL:(NSURL *)url
+                   clientFormat:(AudioStreamBasicDescription)clientFormat
+                       fileType:(EZRecorderFileType)fileType
+                       delegate:(id<EZRecorderDelegate>)delegate
+{
+    return [[self alloc] initWithURL:url
+                        clientFormat:clientFormat
+                            fileType:fileType
+                            delegate:delegate];
+}
+
+//------------------------------------------------------------------------------
+
++ (instancetype)recorderWithURL:(NSURL *)url
+                   clientFormat:(AudioStreamBasicDescription)clientFormat
+                     fileFormat:(AudioStreamBasicDescription)fileFormat
+                audioFileTypeID:(AudioFileTypeID)audioFileTypeID
+{
+    return [[self alloc] initWithURL:url
+                        clientFormat:clientFormat
+                          fileFormat:fileFormat
+                     audioFileTypeID:audioFileTypeID];
+}
+
+//------------------------------------------------------------------------------
+
++ (instancetype)recorderWithURL:(NSURL *)url
+                   clientFormat:(AudioStreamBasicDescription)clientFormat
+                     fileFormat:(AudioStreamBasicDescription)fileFormat
+                audioFileTypeID:(AudioFileTypeID)audioFileTypeID
+                       delegate:(id<EZRecorderDelegate>)delegate
+{
+    return [[self alloc] initWithURL:url
+                        clientFormat:clientFormat
+                          fileFormat:fileFormat
+                     audioFileTypeID:audioFileTypeID
+                            delegate:delegate];
+}
+
+//------------------------------------------------------------------------------
+
++ (instancetype)recorderWithDestinationURL:(NSURL*)url
+                             sourceFormat:(AudioStreamBasicDescription)sourceFormat
+                      destinationFileType:(EZRecorderFileType)destinationFileType
+{
+    return [[EZRecorder alloc] initWithDestinationURL:url
+                                         sourceFormat:sourceFormat
+                                  destinationFileType:destinationFileType];
+}
+
+//------------------------------------------------------------------------------
+#pragma mark - Class Methods
+//------------------------------------------------------------------------------
+
++ (AudioStreamBasicDescription)formatForFileType:(EZRecorderFileType)fileType
+                                withSourceFormat:(AudioStreamBasicDescription)sourceFormat
+{
+    AudioStreamBasicDescription asbd;
+    switch (fileType)
+    {
+        case EZRecorderFileTypeAIFF:
+            asbd = [EZAudioUtilities AIFFFormatWithNumberOfChannels:sourceFormat.mChannelsPerFrame
+                                                         sampleRate:sourceFormat.mSampleRate];
+            break;
+        case EZRecorderFileTypeM4A:
+            asbd = [EZAudioUtilities M4AFormatWithNumberOfChannels:sourceFormat.mChannelsPerFrame
+                                                        sampleRate:sourceFormat.mSampleRate];
+            break;
+            
+        case EZRecorderFileTypeWAV:
+            asbd = [EZAudioUtilities stereoFloatInterleavedFormatWithSampleRate:sourceFormat.mSampleRate];
+            break;
+            
+        default:
+            asbd = [EZAudioUtilities stereoCanonicalNonInterleavedFormatWithSampleRate:sourceFormat.mSampleRate];
+            break;
+    }
+    return asbd;
+}
+
+//------------------------------------------------------------------------------
+
++ (AudioFileTypeID)fileTypeIdForFileType:(EZRecorderFileType)fileType
+                        withSourceFormat:(AudioStreamBasicDescription)sourceFormat
+{
+    AudioFileTypeID audioFileTypeID;
+    switch (fileType)
+    {
+        case EZRecorderFileTypeAIFF:
+            audioFileTypeID = kAudioFileAIFFType;
+            break;
+            
+        case EZRecorderFileTypeM4A:
+            audioFileTypeID = kAudioFileM4AType;
+            break;
+            
+        case EZRecorderFileTypeWAV:
+            audioFileTypeID = kAudioFileWAVEType;
+            break;
+            
+        default:
+            audioFileTypeID = kAudioFileWAVEType;
+            break;
+    }
+    return audioFileTypeID;
+}
+
+//------------------------------------------------------------------------------
+
+- (void)setup
+{
+    // Finish filling out the destination format description
+    UInt32 propSize = sizeof(self.info->fileFormat);
+    [EZAudioUtilities checkResult:AudioFormatGetProperty(kAudioFormatProperty_FormatInfo,
+                                                         0,
+                                                         NULL,
+                                                         &propSize,
+                                                         &self.info->fileFormat)
+                        operation:"Failed to fill out rest of destination format"];
+    
+    //
+    // Create the audio file
+    //
+    [EZAudioUtilities checkResult:ExtAudioFileCreateWithURL(self.info->fileURL,
+                                                            self.info->audioFileTypeID,
+                                                            &self.info->fileFormat,
+                                                            NULL,
+                                                            kAudioFileFlags_EraseFile,
+                                                            &self.info->extAudioFileRef)
+                        operation:"Failed to create audio file"];
+    
+    //
+    // Set the client format
+    //
+    [self setClientFormat:self.info->clientFormat];
+}
+
+//------------------------------------------------------------------------------
+#pragma mark - Events
+//------------------------------------------------------------------------------
+
+- (void)appendDataFromBufferList:(AudioBufferList *)bufferList
+                  withBufferSize:(UInt32)bufferSize
+{
+    //
+    // Make sure the audio file is not closed
+    //
+    NSAssert(!self.info->closed, @"Cannot append data when EZRecorder has been closed. You must create a new instance.;");
+    
+    //
+    // Perform the write
+    //    
+    [EZAudioUtilities checkResult:ExtAudioFileWrite(self.info->extAudioFileRef,
+                                                    bufferSize,
+                                                    bufferList)
+                        operation:"Failed to write audio data to recorded audio file"];
+    
+    //
+    // Notify delegate
+    //
+    if ([self.delegate respondsToSelector:@selector(recorderUpdatedCurrentTime:)])
+    {
+        [self.delegate recorderUpdatedCurrentTime:self];
+    }
+}
+
+//------------------------------------------------------------------------------
+
+- (void)closeAudioFile
+{
+    if (!self.info->closed)
+    {
+        //
+        // Close, audio file can no longer be written to
+        //
+        [EZAudioUtilities checkResult:ExtAudioFileDispose(self.info->extAudioFileRef)
+                            operation:"Failed to close audio file"];
+        self.info->closed = YES;
+        
+        //
+        // Notify delegate
+        //
+        if ([self.delegate respondsToSelector:@selector(recorderDidClose:)])
+        {
+            [self.delegate recorderDidClose:self];
+        }
+    }
+}
+
+//------------------------------------------------------------------------------
+#pragma mark - Getters
+//------------------------------------------------------------------------------
+
+- (AudioStreamBasicDescription)clientFormat
+{
+    return self.info->clientFormat;
+}
+
+//-----------------------------------------------------------------------------
+
+- (NSTimeInterval)currentTime
+{
+    NSTimeInterval currentTime = 0.0;
+    NSTimeInterval duration = [self duration];
+    if (duration != 0.0)
+    {
+        currentTime = (NSTimeInterval)[EZAudioUtilities MAP:(float)[self frameIndex]
+                                                    leftMin:0.0f
+                                                    leftMax:(float)[self totalFrames]
+                                                   rightMin:0.0f
+                                                   rightMax:duration];
+    }
+    return currentTime;
+}
+
+//------------------------------------------------------------------------------
+
+- (NSTimeInterval)duration
+{
+    NSTimeInterval frames = (NSTimeInterval)[self totalFrames];
+    return (NSTimeInterval) frames / self.info->fileFormat.mSampleRate;
+}
+
+//------------------------------------------------------------------------------
+
+- (AudioStreamBasicDescription)fileFormat
+{
+    return self.info->fileFormat;
+}
+
+//------------------------------------------------------------------------------
+
+- (NSString *)formattedCurrentTime
+{
+    return [EZAudioUtilities displayTimeStringFromSeconds:[self currentTime]];
+}
+
+//------------------------------------------------------------------------------
+
+- (NSString *)formattedDuration
+{
+    return [EZAudioUtilities displayTimeStringFromSeconds:[self duration]];
+}
+
+//------------------------------------------------------------------------------
+
+- (SInt64)frameIndex
+{
+    SInt64 frameIndex;
+    [EZAudioUtilities checkResult:ExtAudioFileTell(self.info->extAudioFileRef,
+                                                   &frameIndex)
+                        operation:"Failed to get frame index"];
+    return frameIndex;
+}
+
+//------------------------------------------------------------------------------
+
+- (SInt64)totalFrames
+{
+    SInt64 totalFrames;
+    UInt32 propSize = sizeof(SInt64);
+    [EZAudioUtilities checkResult:ExtAudioFileGetProperty(self.info->extAudioFileRef,
+                                                          kExtAudioFileProperty_FileLengthFrames,
+                                                          &propSize,
+                                                          &totalFrames)
+                        operation:"Recorder failed to get total frames."];
+    return totalFrames;
+}
+
+//------------------------------------------------------------------------------
+
+- (NSURL *)url
+{
+    return (__bridge NSURL*)self.info->fileURL;
+}
+
+//------------------------------------------------------------------------------
+#pragma mark - Setters
+//------------------------------------------------------------------------------
+
+- (void)setClientFormat:(AudioStreamBasicDescription)clientFormat
+{
+    [EZAudioUtilities checkResult:ExtAudioFileSetProperty(self.info->extAudioFileRef,
+                                                          kExtAudioFileProperty_ClientDataFormat,
+                                                          sizeof(clientFormat),
+                                                          &clientFormat)
+                        operation:"Failed to set client format on recorded audio file"];
+    self.info->clientFormat = clientFormat;
+}
+
+@end

EZAudio/Info.plist

@@ -7,7 +7,7 @@
 	<key>CFBundleExecutable</key>
 	<string>$(EXECUTABLE_NAME)</string>
 	<key>CFBundleIdentifier</key>
-	<string>com.sha.$(PRODUCT_NAME:rfc1034identifier)</string>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>

EZAudio/OSX/EZAudio.framework/EZAudio

@@ -1 +0,0 @@
-Versions/Current/EZAudio

EZAudio/OSX/EZAudio.framework/Headers

@@ -1 +0,0 @@
-Versions/Current/Headers

EZAudio/OSX/EZAudio.framework/Modules

@@ -1 +0,0 @@
-Versions/Current/Modules

EZAudio/OSX/EZAudio.framework/Resources

@@ -1 +0,0 @@
-Versions/Current/Resources

EZAudio/OSX/EZAudio.framework/Versions/A/Headers/EZAudio.h

@@ -1,521 +0,0 @@
-//
-//  EZAudio.h
-//  EZAudio
-//
-//  Created by Syed Haris Ali on 11/21/13.
-//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import <Foundation/Foundation.h>
-
-//------------------------------------------------------------------------------
-#pragma mark - Core Components
-//------------------------------------------------------------------------------
-
-#import "EZAudioDevice.h"
-#import "EZAudioFile.h"
-#import "EZMicrophone.h"
-#import "EZOutput.h"
-#import "EZRecorder.h"
-#import "EZAudioPlayer.h"
-
-//------------------------------------------------------------------------------
-#pragma mark - Interface Components
-//------------------------------------------------------------------------------
-
-#import "EZPlot.h"
-#import "EZAudioDisplayLink.h"
-#import "EZAudioPlot.h"
-#import "EZAudioPlotGL.h"
-
-//------------------------------------------------------------------------------
-#pragma mark - Utility Components
-//------------------------------------------------------------------------------
-
-#import "EZAudioFloatConverter.h"
-#import "EZAudioFloatData.h"
-#import "EZAudioUtilities.h"
-
-//------------------------------------------------------------------------------
-
-/**
- EZAudio is a simple, intuitive framework for iOS and OSX. The goal of EZAudio was to provide a modular, cross-platform framework to simplify performing everyday audio operations like getting microphone input, creating audio waveforms, recording/playing audio files, etc. The visualization tools like the EZAudioPlot and EZAudioPlotGL were created to plug right into the framework's various components and provide highly optimized drawing routines that work in harmony with audio callback loops. All components retain the same namespace whether you're on an iOS device or a Mac computer so an EZAudioPlot understands it will subclass an UIView on an iOS device or an NSView on a Mac.
- 
- Class methods for EZAudio are provided as utility methods used throughout the other modules within the framework. For instance, these methods help make sense of error codes (checkResult:operation:), map values betwen coordinate systems (MAP:leftMin:leftMax:rightMin:rightMax:), calculate root mean squared values for buffers (RMS:length:), etc.
- 
- @warning As of 1.0 these methods have been moved over to `EZAudioUtilities` to allow using specific modules without requiring the whole library.
- */
-@interface EZAudio : NSObject
-
-//------------------------------------------------------------------------------
-#pragma mark - Debugging
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Debugging EZAudio
-///-----------------------------------------------------------
-
-/**
- Globally sets whether or not the program should exit if a `checkResult:operation:` operation fails. Currently the behavior on EZAudio is to quit if a `checkResult:operation:` fails, but this is not desirable in any production environment. Internally there are a lot of `checkResult:operation:` operations used on all the core classes. This should only ever be set to NO in production environments since a `checkResult:operation:` failing means something breaking has likely happened.
- @param shouldExitOnCheckResultFail A BOOL indicating whether or not the running program should exist due to a `checkResult:operation:` fail.
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- */
-+ (void)setShouldExitOnCheckResultFail:(BOOL)shouldExitOnCheckResultFail __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Provides a flag indicating whether or not the program will exit if a `checkResult:operation:` fails.
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return A BOOL indicating whether or not the program will exit if a `checkResult:operation:` fails.
- */
-+ (BOOL)shouldExitOnCheckResultFail __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-#pragma mark - AudioBufferList Utility
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name AudioBufferList Utility
-///-----------------------------------------------------------
-
-/**
- Allocates an AudioBufferList structure. Make sure to call freeBufferList when done using AudioBufferList or it will leak.
- @param frames The number of frames that will be stored within each audio buffer
- @param channels The number of channels (e.g. 2 for stereo, 1 for mono, etc.)
- @param interleaved Whether the samples will be interleaved (if not it will be assumed to be non-interleaved and each channel will have an AudioBuffer allocated)
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return An AudioBufferList struct that has been allocated in memory
- */
-+ (AudioBufferList *)audioBufferListWithNumberOfFrames:(UInt32)frames
-                                      numberOfChannels:(UInt32)channels
-                                           interleaved:(BOOL)interleaved __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Allocates an array of float arrays given the number of frames needed to store in each float array.
- @param frames   A UInt32 representing the number of frames to store in each float buffer
- @param channels A UInt32 representing the number of channels (i.e. the number of float arrays to allocate)
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return An array of float arrays, each the length of the number of frames specified
- */
-+ (float **)floatBuffersWithNumberOfFrames:(UInt32)frames
-                          numberOfChannels:(UInt32)channels __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Deallocates an AudioBufferList structure from memory.
- @param bufferList A pointer to the buffer list you would like to free
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- */
-+ (void)freeBufferList:(AudioBufferList *)bufferList __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Deallocates an array of float buffers
- @param buffers  An array of float arrays
- @param channels A UInt32 representing the number of channels (i.e. the number of float arrays to deallocate)
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- */
-+ (void)freeFloatBuffers:(float **)buffers numberOfChannels:(UInt32)channels __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-#pragma mark - AudioStreamBasicDescription Utilties
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Creating An AudioStreamBasicDescription
-///-----------------------------------------------------------
-
-/**
- Creates a signed-integer, interleaved AudioStreamBasicDescription for the number of channels specified for an AIFF format.
- @param channels   The desired number of channels
- @param sampleRate A float representing the sample rate.
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return A new AudioStreamBasicDescription with the specified format.
- */
-+ (AudioStreamBasicDescription)AIFFFormatWithNumberOfChannels:(UInt32)channels
-                                                   sampleRate:(float)sampleRate __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Creates an AudioStreamBasicDescription for the iLBC narrow band speech codec.
- @param sampleRate A float representing the sample rate.
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return A new AudioStreamBasicDescription with the specified format.
- */
-+ (AudioStreamBasicDescription)iLBCFormatWithSampleRate:(float)sampleRate __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Creates a float-based, non-interleaved AudioStreamBasicDescription for the number of channels specified.
- @param channels   A UInt32 representing the number of channels.
- @param sampleRate A float representing the sample rate.
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return A float-based AudioStreamBasicDescription with the number of channels specified.
- */
-+ (AudioStreamBasicDescription)floatFormatWithNumberOfChannels:(UInt32)channels
-                                                    sampleRate:(float)sampleRate __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Creates an AudioStreamBasicDescription for an M4A AAC format.
- @param channels   The desired number of channels
- @param sampleRate A float representing the sample rate.
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return A new AudioStreamBasicDescription with the specified format.
- */
-+ (AudioStreamBasicDescription)M4AFormatWithNumberOfChannels:(UInt32)channels
-                                                  sampleRate:(float)sampleRate __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Creates a single-channel, float-based AudioStreamBasicDescription.
- @param sampleRate A float representing the sample rate.
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return A new AudioStreamBasicDescription with the specified format.
- */
-+ (AudioStreamBasicDescription)monoFloatFormatWithSampleRate:(float)sampleRate __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Creates a single-channel, float-based AudioStreamBasicDescription (as of 0.0.6 this is the same as `monoFloatFormatWithSampleRate:`).
- @param sampleRate A float representing the sample rate.
- @return A new AudioStreamBasicDescription with the specified format.
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- */
-+ (AudioStreamBasicDescription)monoCanonicalFormatWithSampleRate:(float)sampleRate __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Creates a two-channel, non-interleaved, float-based AudioStreamBasicDescription (as of 0.0.6 this is the same as `stereoFloatNonInterleavedFormatWithSampleRate:`).
- @param sampleRate A float representing the sample rate.
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return A new AudioStreamBasicDescription with the specified format.
- */
-+ (AudioStreamBasicDescription)stereoCanonicalNonInterleavedFormatWithSampleRate:(float)sampleRate __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Creates a two-channel, interleaved, float-based AudioStreamBasicDescription.
- @param sampleRate A float representing the sample rate.
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return A new AudioStreamBasicDescription with the specified format.
- */
-+ (AudioStreamBasicDescription)stereoFloatInterleavedFormatWithSampleRate:(float)sampleRate __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Creates a two-channel, non-interleaved, float-based AudioStreamBasicDescription.
- @param sampleRate A float representing the sample rate.
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return A new AudioStreamBasicDescription with the specified format.
- */
-+ (AudioStreamBasicDescription)stereoFloatNonInterleavedFormatWithSampleRate:(float)sameRate __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-// @name AudioStreamBasicDescription Helper Functions
-//------------------------------------------------------------------------------
-
-/**
- Checks an AudioStreamBasicDescription to see if it is a float-based format (as opposed to a signed integer based format).
- @param asbd A valid AudioStreamBasicDescription
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return A BOOL indicating whether or not the AudioStreamBasicDescription is a float format.
- */
-+ (BOOL)isFloatFormat:(AudioStreamBasicDescription)asbd __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Checks an AudioStreamBasicDescription to check for an interleaved flag (samples are
- stored in one buffer one after another instead of two (or n channels) parallel buffers
- @param asbd A valid AudioStreamBasicDescription
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return A BOOL indicating whether or not the AudioStreamBasicDescription is interleaved
- */
-+ (BOOL)isInterleaved:(AudioStreamBasicDescription)asbd __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Checks an AudioStreamBasicDescription to see if it is a linear PCM format (uncompressed,
- 1 frame per packet)
- @param asbd A valid AudioStreamBasicDescription
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return A BOOL indicating whether or not the AudioStreamBasicDescription is linear PCM.
- */
-+ (BOOL)isLinearPCM:(AudioStreamBasicDescription)asbd __attribute__((deprecated));
-
-///-----------------------------------------------------------
-/// @name AudioStreamBasicDescription Utilities
-///-----------------------------------------------------------
-
-/**
- Nicely logs out the contents of an AudioStreamBasicDescription struct
- @param asbd The AudioStreamBasicDescription struct with content to print out
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- */
-+ (void)printASBD:(AudioStreamBasicDescription)asbd __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Converts seconds into a string formatted as MM:SS
- @param seconds An NSTimeInterval representing the number of seconds
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return An NSString instance formatted as MM:SS from the seconds provided.
- */
-+ (NSString *)displayTimeStringFromSeconds:(NSTimeInterval)seconds __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Creates a string to use when logging out the contents of an AudioStreamBasicDescription
- @param asbd A valid AudioStreamBasicDescription struct.
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return An NSString representing the contents of the AudioStreamBasicDescription.
- */
-+ (NSString *)stringForAudioStreamBasicDescription:(AudioStreamBasicDescription)asbd __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Just a wrapper around the setCanonical function provided in the Core Audio Utility C++ class.
- @param asbd        The AudioStreamBasicDescription structure to modify
- @param nChannels   The number of expected channels on the description
- @param interleaved A flag indicating whether the stereo samples should be interleaved in the buffer
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- */
-+ (void)setCanonicalAudioStreamBasicDescription:(AudioStreamBasicDescription*)asbd
-                               numberOfChannels:(UInt32)nChannels
-                                    interleaved:(BOOL)interleaved __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-#pragma mark - Math Utilities
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Math Utilities
-///-----------------------------------------------------------
-
-/**
- Appends an array of values to a history buffer and performs an internal shift to add the values to the tail and removes the same number of values from the head.
- @param buffer              A float array of values to append to the tail of the history buffer
- @param bufferLength        The length of the float array being appended to the history buffer
- @param scrollHistory       The target history buffer in which to append the values
- @param scrollHistoryLength The length of the target history buffer
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- */
-+ (void)appendBufferAndShift:(float*)buffer
-              withBufferSize:(int)bufferLength
-             toScrollHistory:(float*)scrollHistory
-       withScrollHistorySize:(int)scrollHistoryLength __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Appends a value to a history buffer and performs an internal shift to add the value to the tail and remove the 0th value.
- @param value               The float value to append to the history array
- @param scrollHistory       The target history buffer in which to append the values
- @param scrollHistoryLength The length of the target history buffer
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- */
-+(void)    appendValue:(float)value
-       toScrollHistory:(float*)scrollHistory
- withScrollHistorySize:(int)scrollHistoryLength __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Maps a value from one coordinate system into another one. Takes in the current value to map, the minimum and maximum values of the first coordinate system, and the minimum and maximum values of the second coordinate system and calculates the mapped value in the second coordinate system's constraints.
- @param 	value 	The value expressed in the first coordinate system
- @param 	leftMin 	The minimum of the first coordinate system
- @param 	leftMax 	The maximum of the first coordinate system
- @param 	rightMin 	The minimum of the second coordindate system
- @param 	rightMax 	The maximum of the second coordinate system
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return	The mapped value in terms of the second coordinate system
- */
-+ (float)MAP:(float)value
-     leftMin:(float)leftMin
-     leftMax:(float)leftMax
-    rightMin:(float)rightMin
-    rightMax:(float)rightMax __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Calculates the root mean squared for a buffer.
- @param 	buffer 	A float buffer array of values whose root mean squared to calculate
- @param 	bufferSize 	The size of the float buffer
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return	The root mean squared of the buffer
- */
-+ (float)RMS:(float*)buffer length:(int)bufferSize __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Calculate the sign function sgn(x) =
- {  -1 , x < 0,
- {   0 , x = 0,
- {   1 , x > 0
- @param value The float value for which to use as x
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return The float sign value
- */
-+ (float)SGN:(float)value __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-#pragma mark - OSStatus Utility
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name OSStatus Utility
-///-----------------------------------------------------------
-
-/**
- Basic check result function useful for checking each step of the audio setup process
- @param result    The OSStatus representing the result of an operation
- @param operation A string (const char, not NSString) describing the operation taking place (will print if fails)
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- */
-+ (void)checkResult:(OSStatus)result operation:(const char *)operation __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Provides a string representation of the often cryptic Core Audio error codes
- @param code A UInt32 representing an error code
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- @return An NSString with a human readable version of the error code.
- */
-+ (NSString *)stringFromUInt32Code:(UInt32)code __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-#pragma mark - Plot Utility
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Plot Utility
-///-----------------------------------------------------------
-
-/**
- Given a buffer representing a window of float history data this append the RMS of a buffer of incoming float data...This will likely be deprecated in a future version of EZAudio for a circular buffer based approach.
- @param scrollHistory       An array of float arrays being used to hold the history values for each channel.
- @param scrollHistoryLength An int representing the length of the history window.
- @param index               An int pointer to the index of the current read index of the history buffer.
- @param buffer              A float array representing the incoming audio data.
- @param bufferSize          An int representing the length of the incoming audio data.
- @param isChanging          A BOOL pointer representing whether the resolution (length of the history window) is currently changing.
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- */
-+ (void)updateScrollHistory:(float **)scrollHistory
-                 withLength:(int)scrollHistoryLength
-                    atIndex:(int *)index
-                 withBuffer:(float *)buffer
-             withBufferSize:(int)bufferSize
-       isResolutionChanging:(BOOL *)isChanging __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-#pragma mark - TPCircularBuffer Utility
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name TPCircularBuffer Utility
-///-----------------------------------------------------------
-
-/**
- Appends the data from the audio buffer list to the circular buffer
- @param circularBuffer  Pointer to the instance of the TPCircularBuffer to add the audio data to
- @param audioBufferList Pointer to the instance of the AudioBufferList with the audio data
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- */
-+ (void)appendDataToCircularBuffer:(TPCircularBuffer*)circularBuffer
-               fromAudioBufferList:(AudioBufferList*)audioBufferList __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Initializes the circular buffer (just a wrapper around the C method)
- *  @param circularBuffer Pointer to an instance of the TPCircularBuffer
- *  @param size           The length of the TPCircularBuffer (usually 1024)
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- */
-+ (void)circularBuffer:(TPCircularBuffer*)circularBuffer
-              withSize:(int)size __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-/**
- Frees a circular buffer
- @param circularBuffer Pointer to the circular buffer to clear
- @deprecated This method is deprecated starting in version 0.1.0.
- @note Please use same method in EZAudioUtilities class instead.
- */
-+ (void)freeCircularBuffer:(TPCircularBuffer*)circularBuffer __attribute__((deprecated));
-
-//------------------------------------------------------------------------------
-
-@end

EZAudio/OSX/EZAudio.framework/Versions/A/Headers/EZAudioDevice.h

@@ -1,168 +0,0 @@
-//
-//  EZAudioDevice.h
-//  MicrophoneTest
-//
-//  Created by Syed Haris Ali on 4/3/15.
-//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-#import <AudioToolbox/AudioToolbox.h>
-
-#if TARGET_OS_IPHONE
-#import <AVFoundation/AVFoundation.h>
-#elif TARGET_OS_MAC
-#endif
-
-/**
- The EZAudioDevice provides an interface for getting the available input and output hardware devices on iOS and OSX. On iOS the EZAudioDevice uses the available devices found from the AVAudioSession, while on OSX the EZAudioDevice wraps the AudioHardware API to find any devices that are connected including the built-in devices (for instance, Built-In Microphone, Display Audio). Since the AVAudioSession and AudioHardware APIs are quite different the EZAudioDevice has different properties available on each platform. The EZMicrophone now supports setting any specific EZAudioDevice from the `inputDevices` function.
- */
-@interface EZAudioDevice : NSObject
-
-//------------------------------------------------------------------------------
-#pragma mark - Class Methods
-//------------------------------------------------------------------------------
-
-//------------------------------------------------------------------------------
-// @name Getting The Devices
-//------------------------------------------------------------------------------
-
-/**
- Enumerates all the available input devices and returns the result in an NSArray of EZAudioDevice instances.
- @return An NSArray containing EZAudioDevice instances, one for each available input device.
- */
-+ (NSArray *)inputDevices;
-
-//------------------------------------------------------------------------------
-
-/**
- Enumerates all the available output devices and returns the result in an NSArray of EZAudioDevice instances.
- @return An NSArray of output EZAudioDevice instances.
- */
-+ (NSArray *)outputDevices;
-
-#if TARGET_OS_IPHONE
-
-/**
- Provides the current EZAudioDevice that is being used to pull input.
-    - iOS only
- @return An EZAudioDevice instance representing the currently selected input device.
- */
-+ (EZAudioDevice *)currentInputDevice;
-
-/**
- Provides the current EZAudioDevice that is being used to output audio.
-    - iOS only
- @return An EZAudioDevice instance representing the currently selected ouotput device.
- */
-+ (EZAudioDevice *)currentOutputDevice;
-
-//------------------------------------------------------------------------------
-
-/**
- Enumerates all the available input devices.
-    - iOS only
- @param block When enumerating this block executes repeatedly for each EZAudioDevice found. It contains two arguments - first, the EZAudioDevice found, then a pointer to a stop BOOL to allow breaking out of the enumeration)
- */
-+ (void)enumerateInputDevicesUsingBlock:(void(^)(EZAudioDevice *device,
-                                                 BOOL *stop))block;
-
-//------------------------------------------------------------------------------
-
-/**
- Enumerates all the available output devices.
- - iOS only
- @param block When enumerating this block executes repeatedly for each EZAudioDevice found. It contains two arguments - first, the EZAudioDevice found, then a pointer to a stop BOOL to allow breaking out of the enumeration)
- */
-+ (void)enumerateOutputDevicesUsingBlock:(void (^)(EZAudioDevice *device,
-                                                   BOOL *stop))block;
-
-#elif TARGET_OS_MAC
-
-/**
- Enumerates all the available devices and returns the result in an NSArray of EZAudioDevice instances.
-    - OSX only
- @return An NSArray of input and output EZAudioDevice instances.
- */
-+ (NSArray *)devices;
-
-//------------------------------------------------------------------------------
-
-/**
- Enumerates all the available devices. 
-    - OSX only
- @param block When enumerating this block executes repeatedly for each EZAudioDevice found. It contains two arguments - first, the EZAudioDevice found, then a pointer to a stop BOOL to allow breaking out of the enumeration)
- */
-+ (void)enumerateDevicesUsingBlock:(void(^)(EZAudioDevice *device,
-                                            BOOL *stop))block;
-
-#endif
-
-//------------------------------------------------------------------------------
-#pragma mark - Properties
-//------------------------------------------------------------------------------
-
-/**
- An NSString representing a human-reable version of the device.
- */
-@property (nonatomic, copy, readonly) NSString *name;
-
-#if TARGET_OS_IPHONE
-
-/**
- An AVAudioSessionPortDescription describing an input or output hardware port.
-    - iOS only
- */
-@property (nonatomic, strong, readonly) AVAudioSessionPortDescription *port;
-
-//------------------------------------------------------------------------------
-
-/**
- An AVAudioSessionDataSourceDescription describing a specific data source for the `port` provided.
-    - iOS only
- */
-@property (nonatomic, strong, readonly) AVAudioSessionDataSourceDescription *dataSource;
-
-#elif TARGET_OS_MAC
-
-/**
- An AudioDeviceID representing the device in the AudioHardware API.
-    - OSX only
- */
-@property (nonatomic, assign, readonly) AudioDeviceID deviceID;
-
-//------------------------------------------------------------------------------
-
-/**
- An NSString representing the name of the manufacturer of the device.
-    - OSX only
- */
-@property (nonatomic, copy, readonly) NSString *manufacturer;
-
-//------------------------------------------------------------------------------
-
-/**
- An NSInteger representing the number of input channels available.
-    - OSX only
- */
-@property (nonatomic, assign, readonly) NSInteger inputChannelCount;
-
-//------------------------------------------------------------------------------
-
-/**
- An NSInteger representing the number of output channels available.
-    - OSX only
- */
-@property (nonatomic, assign, readonly) NSInteger outputChannelCount;
-
-//------------------------------------------------------------------------------
-
-/**
- An NSString representing the persistent identifier for the AudioDevice.
-    - OSX only
- */
-@property (nonatomic, copy, readonly) NSString *UID;
-
-#endif
-
-@end

EZAudio/OSX/EZAudio.framework/Versions/A/Headers/EZAudioDisplayLink.h

@@ -1,94 +0,0 @@
-//
-//  EZAudioDisplayLink.h
-//  EZAudio
-//
-//  Created by Syed Haris Ali on 6/25/15.
-//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import <Foundation/Foundation.h>
-#import <QuartzCore/QuartzCore.h>
-
-@class EZAudioDisplayLink;
-
-//------------------------------------------------------------------------------
-#pragma mark - EZAudioDisplayLinkDelegate
-//------------------------------------------------------------------------------
-
-/**
- The EZAudioDisplayLinkDelegate provides a means for an EZAudioDisplayLink instance to notify a receiver when it should redraw itself.
- */
-@protocol EZAudioDisplayLinkDelegate <NSObject>
-
-@required
-/**
- Required method for an EZAudioDisplayLinkDelegate to implement. This fires at the screen's display rate (typically 60 fps).
- @param displayLink An EZAudioDisplayLink instance used by a receiver to draw itself at the screen's refresh rate.
- */
-- (void)displayLinkNeedsDisplay:(EZAudioDisplayLink *)displayLink;
-
-@end
-
-//------------------------------------------------------------------------------
-#pragma mark - EZAudioDisplayLink
-//------------------------------------------------------------------------------
-
-/**
- The EZAudioDisplayLink provides a cross-platform (iOS and Mac) abstraction over the CADisplayLink for iOS and CVDisplayLink for Mac. The purpose of this class is to provide an accurate timer for views that need to redraw themselves at 60 fps. This class is used by the EZAudioPlot and, eventually, the EZAudioPlotGL to provide a timer mechanism to draw real-time plots.
- */
-@interface EZAudioDisplayLink : NSObject
-
-//------------------------------------------------------------------------------
-#pragma mark - Class Methods
-//------------------------------------------------------------------------------
-
-/**
- Class method to create an EZAudioDisplayLink. The caller should implement the EZAudioDisplayLinkDelegate protocol to receive the `displayLinkNeedsDisplay:` delegate method to know when to redraw itself.
- @param delegate An instance that implements the EZAudioDisplayLinkDelegate protocol.
- @return An instance of the EZAudioDisplayLink.
- */
-+ (instancetype)displayLinkWithDelegate:(id<EZAudioDisplayLinkDelegate>)delegate;
-
-//------------------------------------------------------------------------------
-#pragma mark - Properties
-//------------------------------------------------------------------------------
-
-/**
- The EZAudioDisplayLinkDelegate for which to receive the redraw calls.
- */
-@property (nonatomic, weak) id<EZAudioDisplayLinkDelegate> delegate;
-
-//------------------------------------------------------------------------------
-#pragma mark - Instance Methods
-//------------------------------------------------------------------------------
-
-/**
- Method to start the display link and provide the `displayLinkNeedsDisplay:` calls to the `delegate`
- */
-- (void)start;
-
-/**
- Method to stop the display link from providing the `displayLinkNeedsDisplay:` calls to the `delegate`
- */
-- (void)stop;
-
-//------------------------------------------------------------------------------
-
-@end

EZAudio/OSX/EZAudio.framework/Versions/A/Headers/EZAudioFloatConverter.h

@@ -1,75 +0,0 @@
-//
-//  EZAudioFloatConverter.h
-//  EZAudio
-//
-//  Created by Syed Haris Ali on 6/23/15.
-//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import <Foundation/Foundation.h>
-#import <AudioToolbox/AudioToolbox.h>
-
-//------------------------------------------------------------------------------
-#pragma mark - Constants
-//------------------------------------------------------------------------------
-
-FOUNDATION_EXPORT UInt32 const EZAudioFloatConverterDefaultPacketSize;
-
-//------------------------------------------------------------------------------
-#pragma mark - EZAudioFloatConverter
-//------------------------------------------------------------------------------
-
-@interface EZAudioFloatConverter : NSObject
-
-//------------------------------------------------------------------------------
-#pragma mark - Class Methods
-//------------------------------------------------------------------------------
-
-+ (instancetype)converterWithInputFormat:(AudioStreamBasicDescription)inputFormat;
-
-//------------------------------------------------------------------------------
-#pragma mark - Properties
-//------------------------------------------------------------------------------
-
-@property (nonatomic, assign, readonly) AudioStreamBasicDescription inputFormat;
-@property (nonatomic, assign, readonly) AudioStreamBasicDescription floatFormat;
-
-//------------------------------------------------------------------------------
-#pragma mark - Instance Methods
-//------------------------------------------------------------------------------
-
-- (instancetype)initWithInputFormat:(AudioStreamBasicDescription)inputFormat;
-
-//------------------------------------------------------------------------------
-
-- (void)convertDataFromAudioBufferList:(AudioBufferList *)audioBufferList
-                    withNumberOfFrames:(UInt32)frames
-                        toFloatBuffers:(float **)buffers;
-
-//------------------------------------------------------------------------------
-
-- (void)convertDataFromAudioBufferList:(AudioBufferList *)audioBufferList
-                    withNumberOfFrames:(UInt32)frames
-                        toFloatBuffers:(float **)buffers
-                    packetDescriptions:(AudioStreamPacketDescription *)packetDescriptions;
-
-//------------------------------------------------------------------------------
-
-@end

EZAudio/OSX/EZAudio.framework/Versions/A/Headers/EZAudioPlot.h

@@ -1,192 +0,0 @@
-//
-//  EZAudioPlot.h
-//  EZAudio
-//
-//  Created by Syed Haris Ali on 9/2/13.
-//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import <QuartzCore/QuartzCore.h>
-#import "EZPlot.h"
-
-@class EZAudio;
-
-//------------------------------------------------------------------------------
-#pragma mark - Constants
-//------------------------------------------------------------------------------
-
-/**
- The default value used for the maximum rolling history buffer length of any EZAudioPlot.
- @deprecated This constant is deprecated starting in version 0.2.0.
- @note Please use EZAudioPlotDefaultMaxHistoryBufferLength instead.
- */
-FOUNDATION_EXPORT UInt32 const kEZAudioPlotMaxHistoryBufferLength __attribute__((deprecated));
-
-/**
- The default value used for the default rolling history buffer length of any EZAudioPlot.
- @deprecated This constant is deprecated starting in version 0.2.0.
- @note Please use EZAudioPlotDefaultHistoryBufferLength instead.
- */
-FOUNDATION_EXPORT UInt32 const kEZAudioPlotDefaultHistoryBufferLength __attribute__((deprecated));
-
-/**
- The default value used for the default rolling history buffer length of any EZAudioPlot.
- */
-FOUNDATION_EXPORT UInt32 const EZAudioPlotDefaultHistoryBufferLength;
-
-/**
- The default value used for the maximum rolling history buffer length of any EZAudioPlot.
- */
-FOUNDATION_EXPORT UInt32 const EZAudioPlotDefaultMaxHistoryBufferLength;
-
-//------------------------------------------------------------------------------
-#pragma mark - EZAudioPlotWaveformLayer
-//------------------------------------------------------------------------------
-
-/**
- The EZAudioPlotWaveformLayer is a lightweight subclass of the CAShapeLayer that allows implicit animations on the `path` key.
- */
-@interface EZAudioPlotWaveformLayer : CAShapeLayer
-@end
-
-//------------------------------------------------------------------------------
-#pragma mark - EZAudioPlot
-//------------------------------------------------------------------------------
-
-/**
- `EZAudioPlot`, a subclass of `EZPlot`, is a cross-platform (iOS and OSX) class that plots an audio waveform using Core Graphics. 
- 
- The caller provides updates a constant stream of updated audio data in the `updateBuffer:withBufferSize:` function, which in turn will be plotted in one of the plot types:
-    
- * Buffer (`EZPlotTypeBuffer`) - A plot that only consists of the current buffer and buffer size from the last call to `updateBuffer:withBufferSize:`. This looks similar to the default openFrameworks input audio example.
- * Rolling (`EZPlotTypeRolling`) - A plot that consists of a rolling history of values averaged from each buffer. This is the traditional waveform look.
- 
- #Parent Methods and Properties#
- 
- See EZPlot for full API methods and properties (colors, plot type, update function)
- 
- */
-@interface EZAudioPlot : EZPlot
-
-/**
- A BOOL that allows optimizing the audio plot's drawing for real-time displays. Since the update function may be updating the plot's data very quickly (over 60 frames per second) this property will throttle the drawing calls to be 60 frames per second (or whatever the screen rate is). Specifically, it disables implicit path change animations on the `waveformLayer` and sets up a display link to render 60 fps (audio updating the plot at 44.1 kHz causes it to re-render 86 fps - far greater than what is needed for a visual display).
- */
-@property (nonatomic, assign) BOOL shouldOptimizeForRealtimePlot;
-
-//------------------------------------------------------------------------------
-
-/**
- A BOOL indicating whether the plot should center itself vertically.
- */
-@property (nonatomic, assign) BOOL shouldCenterYAxis;
-
-//------------------------------------------------------------------------------
-
-/**
- An EZAudioPlotWaveformLayer that is used to render the actual waveform. By switching the drawing code to Core Animation layers in version 0.2.0 most work, specifically the compositing step, is now done on the GPU. Hence, multiple EZAudioPlot instances can be used simultaneously with very low CPU overhead so these are now practical for table and collection views.
- */
-@property (nonatomic, strong) EZAudioPlotWaveformLayer *waveformLayer;
-
-//------------------------------------------------------------------------------
-#pragma mark - Adjust Resolution
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Adjusting The Resolution
-///-----------------------------------------------------------
-
-/**
- Sets the length of the rolling history buffer (i.e. the number of points in the rolling plot's buffer). Can grow or shrink the display up to the maximum size specified by the `maximumRollingHistoryLength` method. Will return the actual set value, which will be either the given value if smaller than the `maximumRollingHistoryLength` or `maximumRollingHistoryLength` if a larger value is attempted to be set.
- @param  historyLength The new length of the rolling history buffer.
- @return The new value equal to the historyLength or the `maximumRollingHistoryLength`.
- */
--(int)setRollingHistoryLength:(int)historyLength;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the length of the rolling history buffer (i.e. the number of points in the rolling plot's buffer).
- *  @return An int representing the length of the rolling history buffer
- */
--(int)rollingHistoryLength;
-
-//------------------------------------------------------------------------------
-#pragma mark - Subclass Methods
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Subclass Methods
-///-----------------------------------------------------------
-
-/**
- Main method that handles converting the points created from the `updatedBuffer:withBufferSize:` method into a CGPathRef to store in the `waveformLayer`. In this method you can create any path you'd like using the point array (for instance, maybe mapping the points to a circle instead of the standard 2D plane).
- @param points     An array of CGPoint structures, with the x values ranging from 0 - (pointCount - 1) and y values containing the last audio data's buffer.
- @param pointCount A UInt32 of the length of the point array.
- @param rect       An EZRect (CGRect on iOS or NSRect on OSX) that the path should be created relative to.
- @return A CGPathRef that is the path you'd like to store on the `waveformLayer` to visualize the audio data.
- */
-- (CGPathRef)createPathWithPoints:(CGPoint *)points
-                       pointCount:(UInt32)pointCount
-                           inRect:(EZRect)rect;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the default length of the rolling history buffer when the plot is initialized. Default is `EZAudioPlotDefaultHistoryBufferLength` constant.
- @return An int describing the initial length of the rolling history buffer.
- */
-- (int)defaultRollingHistoryLength;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the default number of points that will be used to initialize the graph's points data structure that holds. Essentially the plot starts off as a flat line of this many points. Default is 100.
- @return An int describing the initial number of points the plot should have when flat lined.
- */
-- (int)initialPointCount;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the default maximum rolling history length - that is, the maximum amount of points the `setRollingHistoryLength:` method may be set to. If a length higher than this is set then the plot will likely crash because the appropriate resources are only allocated once during the plot's initialization step. Defualt is `EZAudioPlotDefaultMaxHistoryBufferLength` constant.
- @return An int describing the maximum length of the absolute rolling history buffer.
- */
-- (int)maximumRollingHistoryLength;
-
-//------------------------------------------------------------------------------
-
-/**
- Method to cause the waveform layer's path to get recreated and redrawn on screen using the last buffer of data provided. This is the equivalent to the drawRect: method used to normally subclass a view's drawing. This normally don't need to be overrode though - a better approach would be to override the `createPathWithPoints:pointCount:inRect:` method.
- */
-- (void)redraw;
-
-//------------------------------------------------------------------------------
-
-/**
- Main method used to copy the sample data from the source buffer and update the 
- plot. Subclasses can overwrite this method for custom behavior.
- @param data   A float array of the sample data. Subclasses should copy this data to a separate array to avoid threading issues.
- @param length The length of the float array as an int.
- */
--(void)setSampleData:(float *)data length:(int)length;
-
-//------------------------------------------------------------------------------
-
-@end

EZAudio/OSX/EZAudio.framework/Versions/A/Headers/EZAudioPlotGL.h

@@ -1,221 +0,0 @@
-//
-//  EZAudioPlotGL.h
-//  EZAudio
-//
-//  Created by Syed Haris Ali on 11/22/13.
-//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import <GLKit/GLKit.h>
-#import "EZPlot.h"
-#if !TARGET_OS_IPHONE
-#import <OpenGL/OpenGL.h>
-#endif
-
-//------------------------------------------------------------------------------
-#pragma mark - Data Structures
-//------------------------------------------------------------------------------
-
-typedef struct
-{
-    GLfloat x;
-    GLfloat y;
-} EZAudioPlotGLPoint;
-
-//------------------------------------------------------------------------------
-#pragma mark - EZAudioPlotGL
-//------------------------------------------------------------------------------
-
-/**
- EZAudioPlotGL is a subclass of either a GLKView on iOS or an NSOpenGLView on OSX. As of 0.6.0 this class no longer depends on an embedded GLKViewController for iOS as the display link is just manually managed within this single view instead. The EZAudioPlotGL provides the same kind of audio plot as the EZAudioPlot, but uses OpenGL to GPU-accelerate the drawing of the points, which means you can fit a lot more points and complex geometries.
- */
-#if TARGET_OS_IPHONE
-@interface EZAudioPlotGL : GLKView
-#elif TARGET_OS_MAC
-@interface EZAudioPlotGL : NSOpenGLView
-#endif
-
-//------------------------------------------------------------------------------
-#pragma mark - Properties
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Customizing The Plot's Appearance
-///-----------------------------------------------------------
-
-/**
- The default background color of the plot. For iOS the color is specified as a UIColor while for OSX the color is an NSColor. The default value on both platforms is a sweet looking green. 
- @warning On OSX, if you set the background to a value where the alpha component is 0 then the EZAudioPlotGL will automatically set its superview to be layer-backed.
- */
-@property (nonatomic, strong) id backgroundColor;
-
-//------------------------------------------------------------------------------
-
-/**
- The default color of the plot's data (i.e. waveform, y-axis values). For iOS the color is specified as a UIColor while for OSX the color is an NSColor. The default value on both platforms is white.
- */
-@property (nonatomic, strong) id color;
-
-//------------------------------------------------------------------------------
-
-/**
- The plot's gain value, which controls the scale of the y-axis values. The default value of the gain is 1.0f and should always be greater than 0.0f.
- */
-@property (nonatomic, assign) float gain;
-
-//------------------------------------------------------------------------------
-
-/**
- The type of plot as specified by the `EZPlotType` enumeration (i.e. a buffer or rolling plot type). Default is EZPlotTypeBuffer.
- */
-@property (nonatomic, assign) EZPlotType plotType;
-
-//------------------------------------------------------------------------------
-
-/**
- A BOOL indicating whether or not to fill in the graph. A value of YES will make a filled graph (filling in the space between the x-axis and the y-value), while a value of NO will create a stroked graph (connecting the points along the y-axis). Default is NO.
- */
-@property (nonatomic, assign) BOOL shouldFill;
-
-//------------------------------------------------------------------------------
-
-/**
- A boolean indicating whether the graph should be rotated along the x-axis to give a mirrored reflection. This is typical for audio plots to produce the classic waveform look. A value of YES will produce a mirrored reflection of the y-values about the x-axis, while a value of NO will only plot the y-values. Default is NO.
- */
-@property (nonatomic, assign) BOOL shouldMirror;
-
-//------------------------------------------------------------------------------
-#pragma mark - Updating The Plot
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Updating The Plot
-///-----------------------------------------------------------
-
-/**
- Updates the plot with the new buffer data and tells the view to redraw itself. Caller will provide a float array with the values they expect to see on the y-axis. The plot will internally handle mapping the x-axis and y-axis to the current view port, any interpolation for fills effects, and mirroring.
- @param buffer     A float array of values to map to the y-axis.
- @param bufferSize The size of the float array that will be mapped to the y-axis.
- */
--(void)updateBuffer:(float *)buffer withBufferSize:(UInt32)bufferSize;
-
-//------------------------------------------------------------------------------
-#pragma mark - Adjust Resolution
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Adjusting The Resolution
-///-----------------------------------------------------------
-
-/**
- Sets the length of the rolling history buffer (i.e. the number of points in the rolling plot's buffer). Can grow or shrink the display up to the maximum size specified by the `maximumRollingHistoryLength` method. Will return the actual set value, which will be either the given value if smaller than the `maximumRollingHistoryLength` or `maximumRollingHistoryLength` if a larger value is attempted to be set.
- @param  historyLength The new length of the rolling history buffer.
- @return The new value equal to the historyLength or the `maximumRollingHistoryLength`.
- */
--(int)setRollingHistoryLength:(int)historyLength;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the length of the rolling history buffer (i.e. the number of points in the rolling plot's buffer).
- *  @return An int representing the length of the rolling history buffer
- */
--(int)rollingHistoryLength;
-
-//------------------------------------------------------------------------------
-#pragma mark - Clearing The Plot
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Clearing The Plot
-///-----------------------------------------------------------
-
-/**
- Clears all data from the audio plot (includes both EZPlotTypeBuffer and EZPlotTypeRolling)
- */
--(void)clear;
-
-//------------------------------------------------------------------------------
-#pragma mark - Start/Stop Display Link
-//------------------------------------------------------------------------------
-
-/**
- Call this method to tell the EZAudioDisplayLink to stop drawing temporarily.
- */
-- (void)pauseDrawing;
-
-//------------------------------------------------------------------------------
-
-/**
-  Call this method to manually tell the EZAudioDisplayLink to start drawing again.
- */
-- (void)resumeDrawing;
-
-//------------------------------------------------------------------------------
-#pragma mark - Subclass
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Customizing The Drawing
-///-----------------------------------------------------------
-
-/**
- This method is used to perform the actual OpenGL drawing code to clear the background and draw the lines representing the 2D audio plot. Subclasses can use the current implementation as an example and implement their own custom geometries. This is the analogy of overriding the drawRect: method in an NSView or UIView.
- @param points       An array of EZAudioPlotGLPoint structures representing the mapped audio data to x,y coordinates. The x-axis goes from 0 to the number of points (pointCount) while the y-axis goes from -1 to 1. Check out the implementation of this method to see how the model view matrix of the base effect is transformed to map this properly to the viewport.
- @param pointCount   A UInt32 representing the number of points contained in the points array.
- @param baseEffect   An optional GLKBaseEffect to use as a default shader. Call prepareToDraw on the base effect before any glDrawArrays call.
- @param vbo          The Vertex Buffer Object used to buffer the point data.
- @param vab          The Vertex Array Buffer used to bind the Vertex Buffer Object. This is a Mac only thing, you can ignore this completely on iOS.
- @param interpolated A BOOL indicating whether the data has been interpolated. This means the point data is twice as long, where every other point is 0 on the y-axis to allow drawing triangle stripes for filled in waveforms. Typically if the point data is interpolated you will be using the GL_TRIANGLE_STRIP drawing mode, while non-interpolated plots will just use a GL_LINE_STRIP drawing mode.
- @param mirrored     A BOOL indicating whether the plot should be mirrored about the y-axis (or whatever geometry you come up with).
- @param gain         A float representing a gain that should be used to influence the height or intensity of your geometry's shape. A gain of 0.0 means silence, a gain of 1.0 means full volume (you're welcome to boost this to whatever you want).
- */
-- (void)redrawWithPoints:(EZAudioPlotGLPoint *)points
-              pointCount:(UInt32)pointCount
-              baseEffect:(GLKBaseEffect *)baseEffect
-      vertexBufferObject:(GLuint)vbo
-       vertexArrayBuffer:(GLuint)vab
-            interpolated:(BOOL)interpolated
-                mirrored:(BOOL)mirrored
-                    gain:(float)gain;
-
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Subclass Methods
-///-----------------------------------------------------------
-
-/**
- Provides the default length of the rolling history buffer when the plot is initialized. Default is `EZAudioPlotDefaultHistoryBufferLength` constant.
- @return An int describing the initial length of the rolling history buffer.
- */
-- (int)defaultRollingHistoryLength;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the default maximum rolling history length - that is, the maximum amount of points the `setRollingHistoryLength:` method may be set to. If a length higher than this is set then the plot will likely crash because the appropriate resources are only allocated once during the plot's initialization step. Defualt is `EZAudioPlotDefaultMaxHistoryBufferLength` constant.
- @return An int describing the maximum length of the absolute rolling history buffer.
- */
-- (int)maximumRollingHistoryLength;
-
-//------------------------------------------------------------------------------
-
-@end

EZAudio/OSX/EZAudio.framework/Versions/A/Headers/EZAudioUtilities.h

@@ -1,532 +0,0 @@
-//
-//  EZAudioUtilities.h
-//  EZAudio
-//
-//  Created by Syed Haris Ali on 6/23/15.
-//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import <Foundation/Foundation.h>
-#import <AudioToolbox/AudioToolbox.h>
-#import <TargetConditionals.h>
-#import "TPCircularBuffer.h"
-#if TARGET_OS_IPHONE
-#import <AVFoundation/AVFoundation.h>
-#import <UIKit/UIKit.h>
-#elif TARGET_OS_MAC
-#import <AppKit/AppKit.h>
-#endif
-
-//------------------------------------------------------------------------------
-#pragma mark - Data Structures
-//------------------------------------------------------------------------------
-
-/**
- A data structure that holds information about audio data over time. It contains a circular buffer to incrementally write the audio data to and a scratch buffer to hold a window of audio data relative to the whole circular buffer. In use, this will provide a way to continuously append data while having an adjustable viewable window described by the bufferSize.
- */
-typedef struct
-{
-    float            *buffer;
-    int               bufferSize;
-    TPCircularBuffer  circularBuffer;
-} EZPlotHistoryInfo;
-
-//------------------------------------------------------------------------------
-
-/**
- A data structure that holds information about a node in the context of an AUGraph.
- */
-typedef struct
-{
-    AudioUnit audioUnit;
-    AUNode    node;
-} EZAudioNodeInfo;
-
-//------------------------------------------------------------------------------
-#pragma mark - Types
-//------------------------------------------------------------------------------
-
-#if TARGET_OS_IPHONE
-typedef CGRect EZRect;
-#elif TARGET_OS_MAC
-typedef NSRect EZRect;
-#endif
-
-//------------------------------------------------------------------------------
-#pragma mark - EZAudioUtilities
-//------------------------------------------------------------------------------
-
-/**
- The EZAudioUtilities class provides a set of class-level utility methods used throughout EZAudio to handle common operations such as allocating audio buffers and structures, creating various types of AudioStreamBasicDescription structures, string helpers for formatting and debugging, various math utilities, a very handy check result function (used everywhere!), and helpers for dealing with circular buffers. These were previously on the EZAudio class, but as of the 0.1.0 release have been moved here so the whole EZAudio is not needed when using only certain modules.
- */
-@interface EZAudioUtilities : NSObject
-
-//------------------------------------------------------------------------------
-#pragma mark - Debugging
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Debugging EZAudio
-///-----------------------------------------------------------
-
-/**
- Globally sets whether or not the program should exit if a `checkResult:operation:` operation fails. Currently the behavior on EZAudio is to quit if a `checkResult:operation:` fails, but this is not desirable in any production environment. Internally there are a lot of `checkResult:operation:` operations used on all the core classes. This should only ever be set to NO in production environments since a `checkResult:operation:` failing means something breaking has likely happened.
- @param shouldExitOnCheckResultFail A BOOL indicating whether or not the running program should exist due to a `checkResult:operation:` fail.
- */
-+ (void)setShouldExitOnCheckResultFail:(BOOL)shouldExitOnCheckResultFail;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides a flag indicating whether or not the program will exit if a `checkResult:operation:` fails.
- @return A BOOL indicating whether or not the program will exit if a `checkResult:operation:` fails.
- */
-+ (BOOL)shouldExitOnCheckResultFail;
-
-//------------------------------------------------------------------------------
-#pragma mark - AudioBufferList Utility
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name AudioBufferList Utility
-///-----------------------------------------------------------
-
-/**
- Allocates an AudioBufferList structure. Make sure to call freeBufferList when done using AudioBufferList or it will leak.
- @param frames The number of frames that will be stored within each audio buffer
- @param channels The number of channels (e.g. 2 for stereo, 1 for mono, etc.)
- @param interleaved Whether the samples will be interleaved (if not it will be assumed to be non-interleaved and each channel will have an AudioBuffer allocated)
- @return An AudioBufferList struct that has been allocated in memory
- */
-+ (AudioBufferList *)audioBufferListWithNumberOfFrames:(UInt32)frames
-                                      numberOfChannels:(UInt32)channels
-                                           interleaved:(BOOL)interleaved;
-
-//------------------------------------------------------------------------------
-
-/**
- Allocates an array of float arrays given the number of frames needed to store in each float array.
- @param frames   A UInt32 representing the number of frames to store in each float buffer
- @param channels A UInt32 representing the number of channels (i.e. the number of float arrays to allocate)
- @return An array of float arrays, each the length of the number of frames specified
- */
-+ (float **)floatBuffersWithNumberOfFrames:(UInt32)frames
-                          numberOfChannels:(UInt32)channels;
-
-//------------------------------------------------------------------------------
-
-/**
- Deallocates an AudioBufferList structure from memory.
- @param bufferList A pointer to the buffer list you would like to free
- */
-+ (void)freeBufferList:(AudioBufferList *)bufferList;
-
-//------------------------------------------------------------------------------
-
-/**
- Deallocates an array of float buffers
- @param buffers  An array of float arrays
- @param channels A UInt32 representing the number of channels (i.e. the number of float arrays to deallocate)
- */
-+ (void)freeFloatBuffers:(float **)buffers numberOfChannels:(UInt32)channels;
-
-//------------------------------------------------------------------------------
-#pragma mark - AudioStreamBasicDescription Utilties
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Creating An AudioStreamBasicDescription
-///-----------------------------------------------------------
-
-/**
- Creates a signed-integer, interleaved AudioStreamBasicDescription for the number of channels specified for an AIFF format.
- @param channels   The desired number of channels
- @param sampleRate A float representing the sample rate.
- @return A new AudioStreamBasicDescription with the specified format.
- */
-+ (AudioStreamBasicDescription)AIFFFormatWithNumberOfChannels:(UInt32)channels
-                                                   sampleRate:(float)sampleRate;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates an AudioStreamBasicDescription for the iLBC narrow band speech codec.
- @param sampleRate A float representing the sample rate.
- @return A new AudioStreamBasicDescription with the specified format.
- */
-+ (AudioStreamBasicDescription)iLBCFormatWithSampleRate:(float)sampleRate;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates a float-based, non-interleaved AudioStreamBasicDescription for the number of channels specified.
- @param channels   A UInt32 representing the number of channels.
- @param sampleRate A float representing the sample rate.
- @return A float-based AudioStreamBasicDescription with the number of channels specified.
- */
-+ (AudioStreamBasicDescription)floatFormatWithNumberOfChannels:(UInt32)channels
-                                                    sampleRate:(float)sampleRate;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates an AudioStreamBasicDescription for an M4A AAC format.
- @param channels   The desired number of channels
- @param sampleRate A float representing the sample rate.
- @return A new AudioStreamBasicDescription with the specified format.
- */
-+ (AudioStreamBasicDescription)M4AFormatWithNumberOfChannels:(UInt32)channels
-                                                  sampleRate:(float)sampleRate;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates a single-channel, float-based AudioStreamBasicDescription.
- @param sampleRate A float representing the sample rate.
- @return A new AudioStreamBasicDescription with the specified format.
- */
-+ (AudioStreamBasicDescription)monoFloatFormatWithSampleRate:(float)sampleRate;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates a single-channel, float-based AudioStreamBasicDescription (as of 0.0.6 this is the same as `monoFloatFormatWithSampleRate:`).
- @param sampleRate A float representing the sample rate.
- @return A new AudioStreamBasicDescription with the specified format.
- */
-+ (AudioStreamBasicDescription)monoCanonicalFormatWithSampleRate:(float)sampleRate;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates a two-channel, non-interleaved, float-based AudioStreamBasicDescription (as of 0.0.6 this is the same as `stereoFloatNonInterleavedFormatWithSampleRate:`).
- @param sampleRate A float representing the sample rate.
- @return A new AudioStreamBasicDescription with the specified format.
- */
-+ (AudioStreamBasicDescription)stereoCanonicalNonInterleavedFormatWithSampleRate:(float)sampleRate;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates a two-channel, interleaved, float-based AudioStreamBasicDescription.
- @param sampleRate A float representing the sample rate.
- @return A new AudioStreamBasicDescription with the specified format.
- */
-+ (AudioStreamBasicDescription)stereoFloatInterleavedFormatWithSampleRate:(float)sampleRate;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates a two-channel, non-interleaved, float-based AudioStreamBasicDescription.
- @param sampleRate A float representing the sample rate.
- @return A new AudioStreamBasicDescription with the specified format.
- */
-+ (AudioStreamBasicDescription)stereoFloatNonInterleavedFormatWithSampleRate:(float)sameRate;
-
-//------------------------------------------------------------------------------
-// @name AudioStreamBasicDescription Helper Functions
-//------------------------------------------------------------------------------
-
-/**
- Checks an AudioStreamBasicDescription to see if it is a float-based format (as opposed to a signed integer based format).
- @param asbd A valid AudioStreamBasicDescription
- @return A BOOL indicating whether or not the AudioStreamBasicDescription is a float format.
- */
-+ (BOOL)isFloatFormat:(AudioStreamBasicDescription)asbd;
-
-//------------------------------------------------------------------------------
-
-/**
- Checks an AudioStreamBasicDescription to check for an interleaved flag (samples are
- stored in one buffer one after another instead of two (or n channels) parallel buffers
- @param asbd A valid AudioStreamBasicDescription
- @return A BOOL indicating whether or not the AudioStreamBasicDescription is interleaved
- */
-+ (BOOL)isInterleaved:(AudioStreamBasicDescription)asbd;
-
-//------------------------------------------------------------------------------
-
-/**
- Checks an AudioStreamBasicDescription to see if it is a linear PCM format (uncompressed, 
- 1 frame per packet)
- @param asbd A valid AudioStreamBasicDescription
- @return A BOOL indicating whether or not the AudioStreamBasicDescription is linear PCM.
- */
-+ (BOOL)isLinearPCM:(AudioStreamBasicDescription)asbd;
-
-///-----------------------------------------------------------
-/// @name AudioStreamBasicDescription Utilities
-///-----------------------------------------------------------
-
-/**
- Nicely logs out the contents of an AudioStreamBasicDescription struct
- @param asbd The AudioStreamBasicDescription struct with content to print out
- */
-+ (void)printASBD:(AudioStreamBasicDescription)asbd;
-
-//------------------------------------------------------------------------------
-
-/**
- Converts seconds into a string formatted as MM:SS
- @param seconds An NSTimeInterval representing the number of seconds
- @return An NSString instance formatted as MM:SS from the seconds provided.
- */
-+ (NSString *)displayTimeStringFromSeconds:(NSTimeInterval)seconds;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates a string to use when logging out the contents of an AudioStreamBasicDescription
- @param asbd A valid AudioStreamBasicDescription struct.
- @return An NSString representing the contents of the AudioStreamBasicDescription.
- */
-+ (NSString *)stringForAudioStreamBasicDescription:(AudioStreamBasicDescription)asbd;
-
-//------------------------------------------------------------------------------
-
-/**
- Just a wrapper around the setCanonical function provided in the Core Audio Utility C++ class.
- @param asbd        The AudioStreamBasicDescription structure to modify
- @param nChannels   The number of expected channels on the description
- @param interleaved A flag indicating whether the stereo samples should be interleaved in the buffer
- */
-+ (void)setCanonicalAudioStreamBasicDescription:(AudioStreamBasicDescription*)asbd
-                               numberOfChannels:(UInt32)nChannels
-                                    interleaved:(BOOL)interleaved;
-
-//------------------------------------------------------------------------------
-#pragma mark - Math Utilities
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Math Utilities
-///-----------------------------------------------------------
-
-/**
- Appends an array of values to a history buffer and performs an internal shift to add the values to the tail and removes the same number of values from the head.
- @param buffer              A float array of values to append to the tail of the history buffer
- @param bufferLength        The length of the float array being appended to the history buffer
- @param scrollHistory       The target history buffer in which to append the values
- @param scrollHistoryLength The length of the target history buffer
- */
-+ (void)appendBufferAndShift:(float*)buffer
-              withBufferSize:(int)bufferLength
-             toScrollHistory:(float*)scrollHistory
-       withScrollHistorySize:(int)scrollHistoryLength;
-
-//------------------------------------------------------------------------------
-
-/**
- Appends a value to a history buffer and performs an internal shift to add the value to the tail and remove the 0th value.
- @param value               The float value to append to the history array
- @param scrollHistory       The target history buffer in which to append the values
- @param scrollHistoryLength The length of the target history buffer
- */
-+(void)    appendValue:(float)value
-       toScrollHistory:(float*)scrollHistory
- withScrollHistorySize:(int)scrollHistoryLength;
-
-//------------------------------------------------------------------------------
-
-/**
- Maps a value from one coordinate system into another one. Takes in the current value to map, the minimum and maximum values of the first coordinate system, and the minimum and maximum values of the second coordinate system and calculates the mapped value in the second coordinate system's constraints.
- @param 	value 	The value expressed in the first coordinate system
- @param 	leftMin 	The minimum of the first coordinate system
- @param 	leftMax 	The maximum of the first coordinate system
- @param 	rightMin 	The minimum of the second coordindate system
- @param 	rightMax 	The maximum of the second coordinate system
- @return	The mapped value in terms of the second coordinate system
- */
-+ (float)MAP:(float)value
-     leftMin:(float)leftMin
-     leftMax:(float)leftMax
-    rightMin:(float)rightMin
-    rightMax:(float)rightMax;
-
-//------------------------------------------------------------------------------
-
-/**
- Calculates the root mean squared for a buffer.
- @param 	buffer 	A float buffer array of values whose root mean squared to calculate
- @param 	bufferSize 	The size of the float buffer
- @return	The root mean squared of the buffer
- */
-+ (float)RMS:(float*)buffer length:(int)bufferSize;
-
-//------------------------------------------------------------------------------
-
-/**
- Calculate the sign function sgn(x) =
- {  -1 , x < 0,
- {   0 , x = 0,
- {   1 , x > 0
- @param value The float value for which to use as x
- @return The float sign value
- */
-+ (float)SGN:(float)value;
-
-//------------------------------------------------------------------------------
-#pragma mark - OSStatus Utility
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name OSStatus Utility
-///-----------------------------------------------------------
-
-/**
- Basic check result function useful for checking each step of the audio setup process
- @param result    The OSStatus representing the result of an operation
- @param operation A string (const char, not NSString) describing the operation taking place (will print if fails)
- */
-+ (void)checkResult:(OSStatus)result operation:(const char *)operation;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides a string representation of the often cryptic Core Audio error codes
- @param code A UInt32 representing an error code
- @return An NSString with a human readable version of the error code.
- */
-+ (NSString *)stringFromUInt32Code:(UInt32)code;
-
-//------------------------------------------------------------------------------
-#pragma mark - Color Utility
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Color Utility
-///-----------------------------------------------------------
-
-/**
- Helper function to get the color components from a CGColorRef in the RGBA colorspace.
- @param color A CGColorRef that represents a color.
- @param red   A pointer to a CGFloat to hold the value of the red component. This value will be between 0 and 1.
- @param green A pointer to a CGFloat to hold the value of the green component. This value will be between 0 and 1.
- @param blue  A pointer to a CGFloat to hold the value of the blue component. This value will be between 0 and 1.
- @param alpha A pointer to a CGFloat to hold the value of the alpha component. This value will be between 0 and 1.
- */
-+ (void)getColorComponentsFromCGColor:(CGColorRef)color
-                                  red:(CGFloat *)red
-                                green:(CGFloat *)green
-                                 blue:(CGFloat *)blue
-                                alpha:(CGFloat *)alpha;
-
-//------------------------------------------------------------------------------
-#pragma mark - Plot Utility
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Plot Utility
-///-----------------------------------------------------------
-
-/**
- Given a buffer representing a window of float history data this append the RMS of a buffer of incoming float data...This will likely be deprecated in a future version of EZAudio for a circular buffer based approach.
- @param scrollHistory       An array of float arrays being used to hold the history values for each channel.
- @param scrollHistoryLength An int representing the length of the history window.
- @param index               An int pointer to the index of the current read index of the history buffer.
- @param buffer              A float array representing the incoming audio data.
- @param bufferSize          An int representing the length of the incoming audio data.
- @param isChanging          A BOOL pointer representing whether the resolution (length of the history window) is currently changing.
- */
-+ (void)updateScrollHistory:(float **)scrollHistory
-                 withLength:(int)scrollHistoryLength
-                    atIndex:(int *)index
-                 withBuffer:(float *)buffer
-             withBufferSize:(int)bufferSize
-       isResolutionChanging:(BOOL *)isChanging;
-
-//------------------------------------------------------------------------------
-#pragma mark - TPCircularBuffer Utility
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name TPCircularBuffer Utility
-///-----------------------------------------------------------
-
-/**
- Appends the data from the audio buffer list to the circular buffer
- @param circularBuffer  Pointer to the instance of the TPCircularBuffer to add the audio data to
- @param audioBufferList Pointer to the instance of the AudioBufferList with the audio data
- */
-+ (void)appendDataToCircularBuffer:(TPCircularBuffer*)circularBuffer
-               fromAudioBufferList:(AudioBufferList*)audioBufferList;
-
-//------------------------------------------------------------------------------
-
-/**
- Initializes the circular buffer (just a wrapper around the C method)
- *  @param circularBuffer Pointer to an instance of the TPCircularBuffer
- *  @param size           The length of the TPCircularBuffer (usually 1024)
- */
-+ (void)circularBuffer:(TPCircularBuffer*)circularBuffer
-              withSize:(int)size;
-
-//------------------------------------------------------------------------------
-
-/**
- Frees a circular buffer
- @param circularBuffer Pointer to the circular buffer to clear
- */
-+ (void)freeCircularBuffer:(TPCircularBuffer*)circularBuffer;
-
-//------------------------------------------------------------------------------
-#pragma mark - EZPlotHistoryInfo Utility
-//------------------------------------------------------------------------------
-
-/**
- Calculates the RMS of a float array containing audio data and appends it to the tail of a EZPlotHistoryInfo data structure. Thread-safe.
- @param buffer      A float array containing the incoming audio buffer to append to the history buffer
- @param bufferSize  A UInt32 representing the length of the incoming audio buffer
- @param historyInfo A pointer to a EZPlotHistoryInfo structure to use for managing the history buffers
- */
-+ (void)appendBuffer:(float *)buffer
-      withBufferSize:(UInt32)bufferSize
-       toHistoryInfo:(EZPlotHistoryInfo *)historyInfo;
-
-//------------------------------------------------------------------------------
-
-/**
- Zeroes out a EZPlotHistoryInfo data structure without freeing the resources.
- @param historyInfo A pointer to a EZPlotHistoryInfo data structure
- */
-+ (void)clearHistoryInfo:(EZPlotHistoryInfo *)historyInfo;
-
-//------------------------------------------------------------------------------
-
-/**
- Frees a EZPlotHistoryInfo data structure
- @param historyInfo A pointer to a EZPlotHistoryInfo data structure
- */
-+ (void)freeHistoryInfo:(EZPlotHistoryInfo *)historyInfo;
-
-//------------------------------------------------------------------------------
-
-/**
- Creates an EZPlotHistoryInfo data structure with a default length for the window buffer and a maximum length capacity for the internal circular buffer that holds all the audio data.
- @param defaultLength An int representing the default length (i.e. the number of points that will be displayed on screen) of the history window.
- @param maximumLength An int representing the default maximum length that is the absolute maximum amount of values that can be held in the history's circular buffer.
- @return A pointer to the EZPlotHistoryInfo created. The caller is responsible for freeing this structure using the `freeHistoryInfo` method above.
- */
-+ (EZPlotHistoryInfo *)historyInfoWithDefaultLength:(int)defaultLength
-                                      maximumLength:(int)maximumLength;
-
-//------------------------------------------------------------------------------
-
-@end

EZAudio/OSX/EZAudio.framework/Versions/A/Headers/EZOutput.h

@@ -1,376 +0,0 @@
-//
-//  EZOutput.h
-//  EZAudio
-//
-//  Created by Syed Haris Ali on 12/2/13.
-//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import <Foundation/Foundation.h>
-#import <AudioToolbox/AudioToolbox.h>
-#if TARGET_OS_IPHONE
-#elif TARGET_OS_MAC
-#import <AudioUnit/AudioUnit.h>
-#endif
-
-@class EZAudioDevice;
-@class EZOutput;
-
-//------------------------------------------------------------------------------
-#pragma mark - Constants
-//------------------------------------------------------------------------------
-
-FOUNDATION_EXPORT UInt32  const EZOutputMaximumFramesPerSlice;
-FOUNDATION_EXPORT Float64 const EZOutputDefaultSampleRate;
-
-//------------------------------------------------------------------------------
-#pragma mark - EZOutputDataSource
-//------------------------------------------------------------------------------
-
-/**
- The EZOutputDataSource specifies a receiver to provide audio data when the EZOutput is started. Since the 0.4.0 release this has been simplified to only one data source method.
- */
-@protocol EZOutputDataSource <NSObject>
-
-@optional
-///-----------------------------------------------------------
-/// @name Providing Audio Data
-///-----------------------------------------------------------
-
-@required
-
-/**
- Provides a way to provide output with data anytime the EZOutput needs audio data to play. This function provides an already allocated AudioBufferList to use for providing audio data into the output buffer. The expected format of the audio data provided here is specified by the EZOutput `inputFormat` property. This audio data will be converted into the client format specified by the EZOutput `clientFormat` property.
- @param output The instance of the EZOutput that asked for the data.
- @param audioBufferList The AudioBufferList structure pointer that needs to be filled with audio data
- @param frames The amount of frames as a UInt32 that output will need to properly fill its output buffer.
- @param timestamp A AudioTimeStamp pointer to use if you need the current host time.
- @return An OSStatus code. If there was no error then use the noErr status code.
- */
-- (OSStatus)        output:(EZOutput *)output
- shouldFillAudioBufferList:(AudioBufferList *)audioBufferList
-        withNumberOfFrames:(UInt32)frames
-                 timestamp:(const AudioTimeStamp *)timestamp;
-
-@end
-
-//------------------------------------------------------------------------------
-#pragma mark - EZOutputDelegate
-//------------------------------------------------------------------------------
-
-/**
- The EZOutputDelegate for the EZOutput component provides a receiver to handle play state, device, and audio data change events. This is very similar to the EZMicrophoneDelegate for the EZMicrophone and the EZAudioFileDelegate for the EZAudioFile.
- */
-@protocol EZOutputDelegate <NSObject>
-
-@optional
-
-/**
- Called anytime the EZOutput starts or stops.
- @param output The instance of the EZOutput that triggered the event.
- @param isPlaying A BOOL indicating whether the EZOutput instance is playing or not.
- */
-- (void)output:(EZOutput *)output changedPlayingState:(BOOL)isPlaying;
-
-//------------------------------------------------------------------------------
-
-/**
- Called anytime the `device` changes on an EZOutput instance.
- @param output The instance of the EZOutput that triggered the event.
- @param device The instance of the new EZAudioDevice the output is using to play audio data.
- */
-- (void)output:(EZOutput *)output changedDevice:(EZAudioDevice *)device;
-
-//------------------------------------------------------------------------------
-
-/**
- Like the EZMicrophoneDelegate, for the EZOutput this method provides an array of float arrays of the audio received, each float array representing a channel of audio data. This occurs on the background thread so any drawing code must explicity perform its functions on the main thread.
- @param output The instance of the EZOutput that triggered the event.
- @param buffer           The audio data as an array of float arrays. In a stereo signal buffer[0] represents the left channel while buffer[1] would represent the right channel.
- @param bufferSize       A UInt32 representing the size of each of the buffers (the length of each float array).
- @param numberOfChannels A UInt32 representing the number of channels (you can use this to know how many float arrays are in the `buffer` parameter.
- @warning This function executes on a background thread to avoid blocking any audio operations. If operations should be performed on any other thread (like the main thread) it should be performed within a dispatch block like so: dispatch_async(dispatch_get_main_queue(), ^{ ...Your Code... })
- */
-- (void)       output:(EZOutput *)output
-          playedAudio:(float **)buffer
-       withBufferSize:(UInt32)bufferSize
- withNumberOfChannels:(UInt32)numberOfChannels;
-
-//------------------------------------------------------------------------------
-
-@end
-
-/**
- The EZOutput component provides a generic output to glue all the other EZAudio components together and push whatever sound you've created to the default output device (think opposite of the microphone). The EZOutputDataSource provides the required AudioBufferList needed to populate the output buffer while the EZOutputDelegate provides the same kind of mechanism as the EZMicrophoneDelegate or EZAudioFileDelegate in that you will receive a callback that provides non-interleaved, float data for visualizing the output (done using an internal float converter). As of 0.4.0 the EZOutput has been simplified to a single EZOutputDataSource method and now uses an AUGraph to provide format conversion from the `inputFormat` to the playback graph's `clientFormat` linear PCM formats, mixer controls for setting volume and pan settings, hooks to add in any number of effect audio units (see the `connectOutputOfSourceNode:sourceNodeOutputBus:toDestinationNode:destinationNodeInputBus:inGraph:` subclass method), and hardware device toggling (via EZAudioDevice).
- */
-@interface EZOutput : NSObject
-
-//------------------------------------------------------------------------------
-#pragma mark - Initializers
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Initializers
-///-----------------------------------------------------------
-
-/**
- Creates a new instance of the EZOutput and allows the caller to specify an EZOutputDataSource.
- @param dataSource The EZOutputDataSource that will be used to pull the audio data for the output callback.
- @return A newly created instance of the EZOutput class.
- */
-- (instancetype)initWithDataSource:(id<EZOutputDataSource>)dataSource;
-
-/**
- Creates a new instance of the EZOutput and allows the caller to specify an EZOutputDataSource.
- @param dataSource The EZOutputDataSource that will be used to pull the audio data for the output callback.
- @param inputFormat The AudioStreamBasicDescription of the EZOutput.
- @warning AudioStreamBasicDescription input formats must be linear PCM!
- @return A newly created instance of the EZOutput class.
- */
-- (instancetype)initWithDataSource:(id<EZOutputDataSource>)dataSource
-                       inputFormat:(AudioStreamBasicDescription)inputFormat;
-
-//------------------------------------------------------------------------------
-#pragma mark - Class Initializers
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Class Initializers
-///-----------------------------------------------------------
-
-/**
- Class method to create a new instance of the EZOutput
- @return A newly created instance of the EZOutput class.
- */
-+ (instancetype)output;
-
-/**
- Class method to create a new instance of the EZOutput and allows the caller to specify an EZOutputDataSource.
- @param dataSource The EZOutputDataSource that will be used to pull the audio data for the output callback.
- @return A newly created instance of the EZOutput class.
- */
-+ (instancetype)outputWithDataSource:(id<EZOutputDataSource>)dataSource;
-
-/**
- Class method to create a new instance of the EZOutput and allows the caller to specify an EZOutputDataSource.
- @param dataSource The EZOutputDataSource that will be used to pull the audio data for the output callback.
- @param audioStreamBasicDescription The AudioStreamBasicDescription of the EZOutput.
- @warning AudioStreamBasicDescriptions that are invalid will cause the EZOutput to fail to initialize
- @return A newly created instance of the EZOutput class.
- */
-+ (instancetype)outputWithDataSource:(id<EZOutputDataSource>)dataSource
-                         inputFormat:(AudioStreamBasicDescription)inputFormat;
-
-//------------------------------------------------------------------------------
-#pragma mark - Singleton
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Shared Instance
-///-----------------------------------------------------------
-
-/**
- Creates a shared instance of the EZOutput (one app will usually only need one output and share the role of the EZOutputDataSource).
- @return The shared instance of the EZOutput class.
- */
-+ (instancetype)sharedOutput;
-
-//------------------------------------------------------------------------------
-#pragma mark - Properties
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Setting/Getting The Stream Formats
-///-----------------------------------------------------------
-
-/**
- Provides the AudioStreamBasicDescription structure used at the beginning of the playback graph which is then converted into the `clientFormat` using the AUConverter audio unit.
-  @warning The AudioStreamBasicDescription set here must be linear PCM. Compressed formats are not supported...the EZAudioFile's clientFormat performs the audio conversion on the fly from compressed to linear PCM so there is no additional work to be done there.
- @return An AudioStreamBasicDescription structure describing
- */
-@property (nonatomic, readwrite) AudioStreamBasicDescription inputFormat;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the AudioStreamBasicDescription structure that serves as the common format used throughout the playback graph (similar to how the EZAudioFile as a clientFormat that is linear PCM to be shared amongst other components). The `inputFormat` is converted into this format at the beginning of the playback graph using an AUConverter audio unit. Defaults to the whatever the `defaultClientFormat` method returns is if a custom one isn't explicitly set.
- @warning The AudioStreamBasicDescription set here must be linear PCM. Compressed formats are not supported by Audio Units.
- @return An AudioStreamBasicDescription structure describing the common client format for the playback graph.
- */
-@property (nonatomic, readwrite) AudioStreamBasicDescription clientFormat;
-
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Setting/Getting The Data Source and Delegate
-///-----------------------------------------------------------
-
-/**
- The EZOutputDataSource that provides the audio data in the `inputFormat` for the EZOutput to play. If an EZOutputDataSource is not specified then the EZOutput will just output silence.
- */
-@property (nonatomic, weak) id<EZOutputDataSource> dataSource;
-
-//------------------------------------------------------------------------------
-
-/**
- The EZOutputDelegate for which to handle the output callbacks
- */
-@property (nonatomic, weak) id<EZOutputDelegate> delegate;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides a flag indicating whether the EZOutput is pulling audio data from the EZOutputDataSource for playback.
- @return YES if the EZOutput is running, NO if it is stopped
- */
-@property (readonly) BOOL isPlaying;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the current pan from the audio player's mixer audio unit in the playback graph. Setting the pan adjusts the direction of the audio signal from left (0) to right (1). Default is 0.5 (middle).
- */
-@property (nonatomic, assign) float pan;
-
-//------------------------------------------------------------------------------
-
-/**
- Provides the current volume from the audio player's mixer audio unit in the playback graph. Setting the volume adjusts the gain of the output between 0 and 1. Default is 1.
- */
-@property (nonatomic, assign) float volume;
-
-//------------------------------------------------------------------------------
-#pragma mark - Core Audio Properties
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Core Audio Properties
-///-----------------------------------------------------------
-
-/**
- The AUGraph used to chain together the converter, mixer, and output audio units.
- */
-@property (readonly) AUGraph graph;
-
-//------------------------------------------------------------------------------
-
-/**
- The AudioUnit that is being used to convert the audio data coming into the output's playback graph.
- */
-@property (readonly) AudioUnit converterAudioUnit;
-
-//------------------------------------------------------------------------------
-
-/**
- The AudioUnit that is being used as the mixer to adjust the volume on the output's playback graph.
- */
-@property (readonly) AudioUnit mixerAudioUnit;
-
-//------------------------------------------------------------------------------
-
-/**
- The AudioUnit that is being used as the hardware output for the output's playback graph.
- */
-@property (readonly) AudioUnit outputAudioUnit;
-
-//------------------------------------------------------------------------------
-#pragma mark - Setters
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Getting/Setting The Output's Hardware Device
-///-----------------------------------------------------------
-
-/**
- An EZAudioDevice instance that is used to route the audio data out to the speaker. To find a list of available output devices see the EZAudioDevice `outputDevices` method.
- */
-@property (nonatomic, strong, readwrite) EZAudioDevice *device;
-
-//------------------------------------------------------------------------------
-#pragma mark - Actions
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Starting/Stopping The Output
-///-----------------------------------------------------------
-
-/**
- Starts pulling audio data from the EZOutputDataSource to the default device output.
- */
-- (void)startPlayback;
-
-///-----------------------------------------------------------
-
-/**
- Stops pulling audio data from the EZOutputDataSource to the default device output.
- */
-- (void)stopPlayback;
-
-//------------------------------------------------------------------------------
-#pragma mark - Subclass
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Subclass
-///-----------------------------------------------------------
-
-/**
- This method handles connecting the converter node to the mixer node within the AUGraph that is being used as the playback graph. Subclasses can override this method and insert their custom nodes to perform effects processing on the audio data being rendered. 
- 
- This was inspired by Daniel Kennett's blog post on how to add a custom equalizer to a CocoaLibSpotify SPCoreAudioController's AUGraph. For more information see Daniel's post and example code here: http://ikennd.ac/blog/2012/04/augraph-basics-in-cocoalibspotify/.
- @param sourceNode              An AUNode representing the node the audio data is coming from.
- @param sourceNodeOutputBus     A UInt32 representing the output bus from the source node that should be connected into the next node's input bus.
- @param destinationNode         An AUNode representing the node the audio data should be connected to.
- @param destinationNodeInputBus A UInt32 representing the input bus the source node's output bus should be connecting to.
- @param graph                   The AUGraph that is being used to hold the playback graph. Same as from the `graph` property.
- @return An OSStatus code. For no error return back `noErr`.
- */
-- (OSStatus)connectOutputOfSourceNode:(AUNode)sourceNode
-                  sourceNodeOutputBus:(UInt32)sourceNodeOutputBus
-                    toDestinationNode:(AUNode)destinationNode
-              destinationNodeInputBus:(UInt32)destinationNodeInputBus
-                              inGraph:(AUGraph)graph;
-
-//------------------------------------------------------------------------------
-
-/**
- The default AudioStreamBasicDescription set as the client format of the output if no custom `clientFormat` is set. Defaults to a 44.1 kHz stereo, non-interleaved, float format.
- @return An AudioStreamBasicDescription that will be used as the default stream format.
- */
-- (AudioStreamBasicDescription)defaultClientFormat;
-
-//------------------------------------------------------------------------------
-
-/**
- The default AudioStreamBasicDescription set as the `inputFormat` of the output if no custom `inputFormat` is set. Defaults to a 44.1 kHz stereo, non-interleaved, float format.
- @return An AudioStreamBasicDescription that will be used as the default stream format.
- */
-- (AudioStreamBasicDescription)defaultInputFormat;
-
-//------------------------------------------------------------------------------
-
-/**
- The default value used as the AudioUnit subtype when creating the hardware output component. By default this is kAudioUnitSubType_RemoteIO for iOS and kAudioUnitSubType_HALOutput for OSX. 
- @warning If you change this to anything other than kAudioUnitSubType_HALOutput for OSX you will get a failed assertion because devices can only be set when using the HAL audio unit.
- @return An OSType that represents the AudioUnit subtype for the hardware output component.
- */
-- (OSType)outputAudioUnitSubType;
-
-@end

EZAudio/OSX/EZAudio.framework/Versions/A/Headers/EZPlot.h

@@ -1,135 +0,0 @@
-//
-//  EZPlot.h
-//  EZAudio
-//
-//  Created by Syed Haris Ali on 11/24/13.
-//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import <Foundation/Foundation.h>
-#import "EZAudioUtilities.h"
-
-//------------------------------------------------------------------------------
-#pragma mark - Enumerations
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Plot Types
-///-----------------------------------------------------------
-
-/**
- The types of plots that can be displayed in the view using the data.
- */
-typedef NS_ENUM(NSInteger, EZPlotType)
-{
-    /**
-     Plot that displays only the samples of the current buffer
-     */
-    EZPlotTypeBuffer,
-    
-    /**
-     Plot that displays a rolling history of values using the RMS calculated for each incoming buffer
-     */
-    EZPlotTypeRolling
-};
-
-/**
- EZPlot is a cross-platform (iOS and OSX) class used to subclass the default view type (either UIView or NSView, respectively).
- 
- ## Subclassing Notes
- 
- This class isn't meant to be directly used in practice, but instead establishes the default properties and behaviors subclasses should obey to provide consistent behavior accross multiple types of graphs (i.e. set background color, plot type, should fill in, etc.). Subclasses should make use of the inherited properties from this class to allow all child plots to benefit from the same 
- */
-#if TARGET_OS_IPHONE
-#import <UIKit/UIKit.h>
-@interface EZPlot : UIView
-#elif TARGET_OS_MAC
-#import <Cocoa/Cocoa.h>
-@interface EZPlot : NSView
-#endif
-
-//------------------------------------------------------------------------------
-#pragma mark - Properties
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Customizing The Plot's Appearance
-///-----------------------------------------------------------
-/**
- The default background color of the plot. For iOS the color is specified as a UIColor while for OSX the color is an NSColor. The default value on both platforms is black.
- */
-@property (nonatomic,strong) id backgroundColor;
-
-/**
- The default color of the plot's data (i.e. waveform, y-axis values). For iOS the color is specified as a UIColor while for OSX the color is an NSColor. The default value on both platforms is red.
- */
-@property (nonatomic,strong) id color;
-
-/**
- The plot's gain value, which controls the scale of the y-axis values. The default value of the gain is 1.0f and should always be greater than 0.0f.
- */
-@property (nonatomic,assign,setter=setGain:) float gain;
-
-/**
- The type of plot as specified by the `EZPlotType` enumeration (i.e. a buffer or rolling plot type).
- */
-@property (nonatomic,assign,setter=setPlotType:) EZPlotType plotType;
-
-/**
- A boolean indicating whether or not to fill in the graph. A value of YES will make a filled graph (filling in the space between the x-axis and the y-value), while a value of NO will create a stroked graph (connecting the points along the y-axis).
- */
-@property (nonatomic,assign,setter=setShouldFill:) BOOL shouldFill;
-
-/**
- A boolean indicating whether the graph should be rotated along the x-axis to give a mirrored reflection. This is typical for audio plots to produce the classic waveform look. A value of YES will produce a mirrored reflection of the y-values about the x-axis, while a value of NO will only plot the y-values.
- */
-@property (nonatomic,assign,setter=setShouldMirror:) BOOL shouldMirror;
-
-//------------------------------------------------------------------------------
-#pragma mark - Clearing
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Clearing The Plot
-///-----------------------------------------------------------
-
-/**
- Clears all data from the audio plot (includes both EZPlotTypeBuffer and EZPlotTypeRolling)
- */
--(void)clear;
-
-//------------------------------------------------------------------------------
-#pragma mark - Get Samples
-//------------------------------------------------------------------------------
-
-///-----------------------------------------------------------
-/// @name Updating The Plot
-///-----------------------------------------------------------
-
-/**
- Updates the plot with the new buffer data and tells the view to redraw itself. Caller will provide a float array with the values they expect to see on the y-axis. The plot will internally handle mapping the x-axis and y-axis to the current view port, any interpolation for fills effects, and mirroring.
- @param buffer     A float array of values to map to the y-axis.
- @param bufferSize The size of the float array that will be mapped to the y-axis.
- @warning The bufferSize is expected to be the same, constant value once initial triggered. For plots using OpenGL a vertex buffer object will be allocated with a maximum buffersize of (2 * the initial given buffer size) to account for any interpolation necessary for filling in the graph. Updates use the glBufferSubData(...) function, which will crash if the buffersize exceeds the initial maximum allocated size.
- */
--(void)updateBuffer:(float *)buffer
-     withBufferSize:(UInt32)bufferSize;
-
-@end

EZAudio/OSX/EZAudio.framework/Versions/A/Headers/EZRecorder.h

@@ -1,123 +0,0 @@
-//
-//  EZRecorder.h
-//  EZAudio
-//
-//  Created by Syed Haris Ali on 12/1/13.
-//  Copyright (c) 2015 Syed Haris Ali. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import <Foundation/Foundation.h>
-#import <AudioToolbox/AudioToolbox.h>
-
-/**
- To ensure valid recording formats are used when recording to a file the EZRecorderFileType describes the most common file types that a file can be encoded in. Each of these types can be used to output recordings as such:
- 
- EZRecorderFileTypeAIFF - .aif, .aiff, .aifc, .aac
- EZRecorderFileTypeM4A  - .m4a, .mp4
- EZRecorderFileTypeWAV  - .wav
- 
- */
-typedef NS_ENUM(NSInteger, EZRecorderFileType)
-{
-    /**
-     Recording format that describes AIFF file types. These are uncompressed, LPCM files that are completely lossless, but are large in file size.
-     */
-    EZRecorderFileTypeAIFF,
-    /**
-     Recording format that describes M4A file types. These are compressed, but yield great results especially when file size is an issue.
-     */
-    EZRecorderFileTypeM4A,
-    /**
-     Recording format that describes WAV file types. These are uncompressed, LPCM files that are completely lossless, but are large in file size.
-     */
-    EZRecorderFileTypeWAV
-};
-
-/**
- The EZRecorder provides a flexible way to create an audio file and append raw audio data to it. The EZRecorder will convert the incoming audio on the fly to the destination format so no conversion is needed between this and any other component. Right now the only supported output format is 'caf'. Each output file should have its own EZRecorder instance (think 1 EZRecorder = 1 audio file).
- */
-@interface EZRecorder : NSObject
-
-#pragma mark - Initializers
-///-----------------------------------------------------------
-/// @name Initializers
-///-----------------------------------------------------------
-
-/**
- Creates a new instance of an EZRecorder using a destination file path URL and the source format of the incoming audio.
- @param url                 An NSURL specifying the file path location of where the audio file should be written to.
- @param sourceFormat        The AudioStreamBasicDescription for the incoming audio that will be written to the file.
- @param destinationFileType A constant described by the EZRecorderFileType that corresponds to the type of destination file that should be written. For instance, an AAC file written using an '.m4a' extension would correspond to EZRecorderFileTypeM4A. See EZRecorderFileType for all the constants and mapping combinations.
- @return The newly created EZRecorder instance.
- */
--(EZRecorder*)initWithDestinationURL:(NSURL*)url
-                        sourceFormat:(AudioStreamBasicDescription)sourceFormat
-                 destinationFileType:(EZRecorderFileType)destinationFileType;
-
-
-#pragma mark - Class Initializers
-///-----------------------------------------------------------
-/// @name Class Initializers
-///-----------------------------------------------------------
-
-/**
- Class method to create a new instance of an EZRecorder using a destination file path URL and the source format of the incoming audio.
- @param url                 An NSURL specifying the file path location of where the audio file should be written to.
- @param sourceFormat        The AudioStreamBasicDescription for the incoming audio that will be written to the file.
- @param destinationFileType A constant described by the EZRecorderFileType that corresponds to the type of destination file that should be written. For instance, an AAC file written using an '.m4a' extension would correspond to EZRecorderFileTypeM4A. See EZRecorderFileType for all the constants and mapping combinations.
- @return The newly created EZRecorder instance.
- */
-+(EZRecorder*)recorderWithDestinationURL:(NSURL*)url
-                            sourceFormat:(AudioStreamBasicDescription)sourceFormat
-                     destinationFileType:(EZRecorderFileType)destinationFileType;
-
-#pragma mark - Getters
-///-----------------------------------------------------------
-/// @name Getting The Recorder's Properties
-///-----------------------------------------------------------
-/**
- Provides the file path that's currently being used by the recorder.
- @return  The NSURL representing the file path of the audio file path being used for recording.
- */
--(NSURL*)url;
-
-#pragma mark - Events
-///-----------------------------------------------------------
-/// @name Appending Data To The Audio File
-///-----------------------------------------------------------
-
-/**
- Appends audio data to the tail of the output file from an AudioBufferList.
- @param bufferList The AudioBufferList holding the audio data to append
- @param bufferSize The size of each of the buffers in the buffer list.
- */
--(void)appendDataFromBufferList:(AudioBufferList*)bufferList
-                 withBufferSize:(UInt32)bufferSize;
-
-///-----------------------------------------------------------
-/// @name Closing The Audio File
-///-----------------------------------------------------------
-
-/**
- Finishes writes to the audio file and closes it.
- */
--(void)closeAudioFile;
-
-@end

EZAudio/OSX/EZAudio.framework/Versions/A/Modules/module.modulemap

@@ -1,6 +0,0 @@
-framework module EZAudio {
-  umbrella header "EZAudio.h"
-
-  export *
-  module * { export * }
-}

EZAudio/OSX/EZAudio.framework/Versions/A/Resources/Info.plist

@@ -1,42 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>BuildMachineOSBuild</key>
-	<string>14E46</string>
-	<key>CFBundleDevelopmentRegion</key>
-	<string>en</string>
-	<key>CFBundleExecutable</key>
-	<string>EZAudio</string>
-	<key>CFBundleIdentifier</key>
-	<string>com.sha.EZAudio</string>
-	<key>CFBundleInfoDictionaryVersion</key>
-	<string>6.0</string>
-	<key>CFBundleName</key>
-	<string>EZAudio</string>
-	<key>CFBundlePackageType</key>
-	<string>FMWK</string>
-	<key>CFBundleShortVersionString</key>
-	<string>1.0</string>
-	<key>CFBundleSignature</key>
-	<string>????</string>
-	<key>CFBundleVersion</key>
-	<string>1</string>
-	<key>DTCompiler</key>
-	<string>com.apple.compilers.llvm.clang.1_0</string>
-	<key>DTPlatformBuild</key>
-	<string>6E35b</string>
-	<key>DTPlatformVersion</key>
-	<string>GM</string>
-	<key>DTSDKBuild</key>
-	<string>14D125</string>
-	<key>DTSDKName</key>
-	<string>macosx10.10</string>
-	<key>DTXcode</key>
-	<string>0640</string>
-	<key>DTXcodeBuild</key>
-	<string>6E35b</string>
-	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2015 Syed Haris Ali. All rights reserved.</string>
-</dict>
-</plist>

EZAudio/OSX/EZAudio.framework/Versions/Current

@@ -1 +0,0 @@
-A

EZAudio/OSX/EZAudio.xcodeproj/project.pbxproj

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-				6611CE671B45EB3200AE0EE8 /* EZAudio.m */,
-				6611CE561B45EB3200AE0EE8 /* Core Components */,
-				6611CE631B45EB3200AE0EE8 /* External */,
-				6611CE681B45EB3200AE0EE8 /* Interface Components */,
-				6611CE711B45EB3200AE0EE8 /* Utility Components */,
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-			);
-			path = EZAudio;
-			sourceTree = "<group>";
-		};
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-			isa = PBXGroup;
-			children = (
-				662427161B4510F30069FFD7 /* Info.plist */,
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-			sourceTree = "<group>";
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-/* End PBXGroup section */
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-				6611CE861B45EB3200AE0EE8 /* EZAudio.h in Headers */,
-				6611CE7A1B45EB3200AE0EE8 /* EZAudioFile.h in Headers */,
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-				662427101B4510F30069FFD7 /* Resources */,
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-			buildRules = (
-			);
-			dependencies = (
-			);
-			name = EZAudio;
-			productName = EZAudio;
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-				MTL_ENABLE_DEBUG_INFO = NO;
-				SDKROOT = macosx;
-				VERSIONING_SYSTEM = "apple-generic";
-				VERSION_INFO_PREFIX = "";
-			};
-			name = Release;
-		};
-		662427291B4510F30069FFD7 /* Debug */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				COMBINE_HIDPI_IMAGES = YES;
-				CONFIGURATION_BUILD_DIR = $PROJECT_DIR;
-				DEFINES_MODULE = YES;
-				DYLIB_COMPATIBILITY_VERSION = 1;
-				DYLIB_CURRENT_VERSION = 1;
-				DYLIB_INSTALL_NAME_BASE = "@rpath";
-				FRAMEWORK_VERSION = A;
-				INFOPLIST_FILE = EZAudio/Info.plist;
-				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/Frameworks";
-				PRODUCT_NAME = "$(TARGET_NAME)";
-				SKIP_INSTALL = YES;
-			};
-			name = Debug;
-		};
-		6624272A1B4510F30069FFD7 /* Release */ = {
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-				DYLIB_INSTALL_NAME_BASE = "@rpath";
-				FRAMEWORK_VERSION = A;
-				INFOPLIST_FILE = EZAudio/Info.plist;
-				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
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-				PRODUCT_NAME = "$(TARGET_NAME)";
-				SKIP_INSTALL = YES;
-			};
-			name = Release;
-		};
-/* End XCBuildConfiguration section */
-
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-		6624270C1B4510F30069FFD7 /* Build configuration list for PBXProject "EZAudio" */ = {
-			isa = XCConfigurationList;
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-			defaultConfigurationIsVisible = 0;
-			defaultConfigurationName = Release;
-		};
-		662427281B4510F30069FFD7 /* Build configuration list for PBXNativeTarget "EZAudio" */ = {
-			isa = XCConfigurationList;
-			buildConfigurations = (
-				662427291B4510F30069FFD7 /* Debug */,
-				6624272A1B4510F30069FFD7 /* Release */,
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-			defaultConfigurationIsVisible = 0;
-			defaultConfigurationName = Release;
-		};
-/* End XCConfigurationList section */
-	};
-	rootObject = 662427091B4510F30069FFD7 /* Project object */;
-}

EZAudio/OSX/EZAudio/Info.plist

@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>CFBundleDevelopmentRegion</key>
-	<string>en</string>
-	<key>CFBundleExecutable</key>
-	<string>$(EXECUTABLE_NAME)</string>
-	<key>CFBundleIdentifier</key>
-	<string>com.sha.$(PRODUCT_NAME:rfc1034identifier)</string>
-	<key>CFBundleInfoDictionaryVersion</key>
-	<string>6.0</string>
-	<key>CFBundleName</key>
-	<string>$(PRODUCT_NAME)</string>
-	<key>CFBundlePackageType</key>
-	<string>FMWK</string>
-	<key>CFBundleShortVersionString</key>
-	<string>1.0</string>
-	<key>CFBundleSignature</key>
-	<string>????</string>
-	<key>CFBundleVersion</key>
-	<string>$(CURRENT_PROJECT_VERSION)</string>
-	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2015 Syed Haris Ali. All rights reserved.</string>
-	<key>NSPrincipalClass</key>
-	<string></string>
-</dict>
-</plist>

EZAudio/TPCircularBuffer.c

@@ -30,21 +30,29 @@
 #include "TPCircularBuffer.h"
 #include <mach/mach.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 #define reportResult(result,operation) (_reportResult((result),(operation),strrchr(__FILE__, '/')+1,__LINE__))
 static inline bool _reportResult(kern_return_t result, const char *operation, const char* file, int line) {
-    if (result != ERR_SUCCESS) {
+    if ( result != ERR_SUCCESS ) {
         printf("%s:%d: %s: %s\n", file, line, operation, mach_error_string(result)); 
         return false;
     }
     return true;
 }
 
-bool TPCircularBufferInit(TPCircularBuffer *buffer, int length) {
-
+bool _TPCircularBufferInit(TPCircularBuffer *buffer, int32_t length, size_t structSize) {
+    
+    assert(length > 0);
+    
+    if ( structSize != sizeof(TPCircularBuffer) ) {
+        fprintf(stderr, "TPCircularBuffer: Header version mismatch. Check for old versions of TPCircularBuffer in your project\n");
+        abort();
+    }
+    
     // Keep trying until we get our buffer, needed to handle race conditions
     int retries = 3;
-    while ( true) {
+    while ( true ) {
 
         buffer->length = (int32_t)round_page(length);    // We need whole page sizes
 
@@ -55,8 +63,8 @@ bool TPCircularBufferInit(TPCircularBuffer *buffer, int length) {
                                            &bufferAddress,
                                            buffer->length * 2,
                                            VM_FLAGS_ANYWHERE); // allocate anywhere it'll fit
-        if (result != ERR_SUCCESS) {
-            if (retries-- == 0) {
+        if ( result != ERR_SUCCESS ) {
+            if ( retries-- == 0 ) {
                 reportResult(result, "Buffer allocation");
                 return false;
             }
@@ -68,8 +76,8 @@ bool TPCircularBufferInit(TPCircularBuffer *buffer, int length) {
         result = vm_deallocate(mach_task_self(),
                                bufferAddress + buffer->length,
                                buffer->length);
-        if (result != ERR_SUCCESS) {
-            if (retries-- == 0) {
+        if ( result != ERR_SUCCESS ) {
+            if ( retries-- == 0 ) {
                 reportResult(result, "Buffer deallocation");
                 return false;
             }
@@ -92,8 +100,8 @@ bool TPCircularBufferInit(TPCircularBuffer *buffer, int length) {
                           &cur_prot,         // unused protection struct
                           &max_prot,         // unused protection struct
                           VM_INHERIT_DEFAULT);
-        if (result != ERR_SUCCESS) {
-            if (retries-- == 0) {
+        if ( result != ERR_SUCCESS ) {
+            if ( retries-- == 0 ) {
                 reportResult(result, "Remap buffer memory");
                 return false;
             }
@@ -102,9 +110,9 @@ bool TPCircularBufferInit(TPCircularBuffer *buffer, int length) {
             continue;
         }
         
-        if (virtualAddress != bufferAddress+buffer->length) {
+        if ( virtualAddress != bufferAddress+buffer->length ) {
             // If the memory is not contiguous, clean up both allocated buffers and try again
-            if (retries-- == 0) {
+            if ( retries-- == 0 ) {
                 printf("Couldn't map buffer memory to end of buffer\n");
                 return false;
             }
@@ -117,6 +125,7 @@ bool TPCircularBufferInit(TPCircularBuffer *buffer, int length) {
         buffer->buffer = (void*)bufferAddress;
         buffer->fillCount = 0;
         buffer->head = buffer->tail = 0;
+        buffer->atomic = true;
         
         return true;
     }
@@ -130,7 +139,11 @@ void TPCircularBufferCleanup(TPCircularBuffer *buffer) {
 
 void TPCircularBufferClear(TPCircularBuffer *buffer) {
     int32_t fillCount;
-    if (TPCircularBufferTail(buffer, &fillCount)) {
+    if ( TPCircularBufferTail(buffer, &fillCount) ) {
         TPCircularBufferConsume(buffer, fillCount);
     }
 }
+
+void  TPCircularBufferSetAtomic(TPCircularBuffer *buffer, bool atomic) {
+    buffer->atomic = atomic;
+}

EZAudio/TPCircularBuffer.h

@@ -56,6 +56,7 @@ typedef struct {
     int32_t           tail;
     int32_t           head;
     volatile int32_t  fillCount;
+    bool              atomic;
 } TPCircularBuffer;
 
 /*!
@@ -68,7 +69,9 @@ typedef struct {
  * @param buffer Circular buffer
  * @param length Length of buffer
  */
-bool  TPCircularBufferInit(TPCircularBuffer *buffer, int32_t length);
+#define TPCircularBufferInit(buffer, length) \
+    _TPCircularBufferInit(buffer, length, sizeof(*buffer))
+bool _TPCircularBufferInit(TPCircularBuffer *buffer, int32_t length, size_t structSize);
 
 /*!
  * Cleanup buffer
@@ -86,6 +89,22 @@ void  TPCircularBufferCleanup(TPCircularBuffer *buffer);
  *  buffer.
  */
 void  TPCircularBufferClear(TPCircularBuffer *buffer);
+    
+/*!
+ * Set the atomicity
+ *
+ *  If you set the atomiticy to false using this method, the buffer will
+ *  not use atomic operations. This can be used to give the compiler a little
+ *  more optimisation opportunities when the buffer is only used on one thread.
+ *
+ *  Important note: Only set this to false if you know what you're doing!
+ *
+ *  The default value is true (the buffer will use atomic operations)
+ *
+ * @param buffer Circular buffer
+ * @param atomic Whether the buffer is atomic (default true)
+ */
+void  TPCircularBufferSetAtomic(TPCircularBuffer *buffer, bool atomic);
 
 // Reading (consuming)
 
@@ -101,7 +120,7 @@ void  TPCircularBufferClear(TPCircularBuffer *buffer);
  */
 static __inline__ __attribute__((always_inline)) void* TPCircularBufferTail(TPCircularBuffer *buffer, int32_t* availableBytes) {
     *availableBytes = buffer->fillCount;
-    if (*availableBytes == 0) return NULL;
+    if ( *availableBytes == 0 ) return NULL;
     return (void*)((char*)buffer->buffer + buffer->tail);
 }
 
@@ -115,16 +134,11 @@ static __inline__ __attribute__((always_inline)) void* TPCircularBufferTail(TPCi
  */
 static __inline__ __attribute__((always_inline)) void TPCircularBufferConsume(TPCircularBuffer *buffer, int32_t amount) {
     buffer->tail = (buffer->tail + amount) % buffer->length;
-    OSAtomicAdd32Barrier(-amount, &buffer->fillCount);
-    assert(buffer->fillCount >= 0);
-}
-
-/*!
- * Version of TPCircularBufferConsume without the memory barrier, for more optimal use in single-threaded contexts
- */
-static __inline__ __attribute__((always_inline)) void TPCircularBufferConsumeNoBarrier(TPCircularBuffer *buffer, int32_t amount) {
-    buffer->tail = (buffer->tail + amount) % buffer->length;
-    buffer->fillCount -= amount;
+    if ( buffer->atomic ) {
+        OSAtomicAdd32Barrier(-amount, &buffer->fillCount);
+    } else {
+        buffer->fillCount -= amount;
+    }
     assert(buffer->fillCount >= 0);
 }
 
@@ -140,7 +154,7 @@ static __inline__ __attribute__((always_inline)) void TPCircularBufferConsumeNoB
  */
 static __inline__ __attribute__((always_inline)) void* TPCircularBufferHead(TPCircularBuffer *buffer, int32_t* availableBytes) {
     *availableBytes = (buffer->length - buffer->fillCount);
-    if (*availableBytes == 0) return NULL;
+    if ( *availableBytes == 0 ) return NULL;
     return (void*)((char*)buffer->buffer + buffer->head);
 }
     
@@ -154,25 +168,20 @@ static __inline__ __attribute__((always_inline)) void* TPCircularBufferHead(TPCi
  * @param buffer Circular buffer
  * @param amount Number of bytes to produce
  */
-static __inline__ __attribute__((always_inline)) void TPCircularBufferProduce(TPCircularBuffer *buffer, int amount) {
+static __inline__ __attribute__((always_inline)) void TPCircularBufferProduce(TPCircularBuffer *buffer, int32_t amount) {
     buffer->head = (buffer->head + amount) % buffer->length;
-    OSAtomicAdd32Barrier(amount, &buffer->fillCount);
-    assert(buffer->fillCount <= buffer->length);
-}
-
-/*!
- * Version of TPCircularBufferProduce without the memory barrier, for more optimal use in single-threaded contexts
- */
-static __inline__ __attribute__((always_inline)) void TPCircularBufferProduceNoBarrier(TPCircularBuffer *buffer, int amount) {
-    buffer->head = (buffer->head + amount) % buffer->length;
-    buffer->fillCount += amount;
+    if ( buffer->atomic ) {
+        OSAtomicAdd32Barrier(amount, &buffer->fillCount);
+    } else {
+        buffer->fillCount += amount;
+    }
     assert(buffer->fillCount <= buffer->length);
 }
 
 /*!
  * Helper routine to copy bytes to buffer
  *
- *  This copies the given bytes to the buffer, and marks them ready for writing.
+ *  This copies the given bytes to the buffer, and marks them ready for reading.
  *
  * @param buffer Circular buffer
  * @param src Source buffer
@@ -182,12 +191,32 @@ static __inline__ __attribute__((always_inline)) void TPCircularBufferProduceNoB
 static __inline__ __attribute__((always_inline)) bool TPCircularBufferProduceBytes(TPCircularBuffer *buffer, const void* src, int32_t len) {
     int32_t space;
     void *ptr = TPCircularBufferHead(buffer, &space);
-    if (space < len) return false;
+    if ( space < len ) return false;
     memcpy(ptr, src, len);
     TPCircularBufferProduce(buffer, len);
     return true;
 }
 
+/*!
+ * Deprecated method
+ */
+static __inline__ __attribute__((always_inline)) __deprecated_msg("use TPCircularBufferSetAtomic(false) and TPCircularBufferConsume instead")
+void TPCircularBufferConsumeNoBarrier(TPCircularBuffer *buffer, int32_t amount) {
+    buffer->tail = (buffer->tail + amount) % buffer->length;
+    buffer->fillCount -= amount;
+    assert(buffer->fillCount >= 0);
+}
+
+/*!
+ * Deprecated method
+ */
+static __inline__ __attribute__((always_inline)) __deprecated_msg("use TPCircularBufferSetAtomic(false) and TPCircularBufferProduce instead")
+void TPCircularBufferProduceNoBarrier(TPCircularBuffer *buffer, int32_t amount) {
+    buffer->head = (buffer->head + amount) % buffer->length;
+    buffer->fillCount += amount;
+    assert(buffer->fillCount <= buffer->length);
+}
+
 #ifdef __cplusplus
 }
 #endif

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+			isa = XCConfigurationList;
+			buildConfigurations = (
+				666062401C5421A400FB99FA /* Debug */,
+				666062411C5421A400FB99FA /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		666062421C5421A400FB99FA /* Build configuration list for PBXNativeTarget "CoreGraphicsWaveform" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				666062431C5421A400FB99FA /* Debug */,
+				666062441C5421A400FB99FA /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 666062291C5421A400FB99FA /* Project object */;
+}

EZAudioExamples/OSX/CoreGraphicsWaveform/CoreGraphicsWaveform.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:EZAudioRecordExample.xcodeproj">
+      location = "self:">
    </FileRef>
 </Workspace>

EZAudioExamples/OSX/CoreGraphicsWaveform/CoreGraphicsWaveform/AppDelegate.h

@@ -1,8 +1,9 @@
 //
-//  CoreGraphicsWaveformViewController.h
-//  EZAudioCoreGraphicsWaveformExample
+//  AppDelegate.h
+//  CoreGraphicsWaveform
 //
 //  Created by Syed Haris Ali on 12/1/13.
+//  Updated by Syed Haris Ali on 1/23/16.
 //  Copyright (c) 2013 Syed Haris Ali. All rights reserved.
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -25,50 +26,70 @@
 
 #import <Cocoa/Cocoa.h>
 
-// Import EZAudio header
-#import <EZAudio/EZAudio.h>
-
-/**
- We will allow this view controller to act as an EZMicrophoneDelegate. This is how we listen for the microphone callback.
- */
-@interface CoreGraphicsWaveformViewController : NSViewController <EZMicrophoneDelegate>
+//
+// First import the EZAudio header
+//
+#include <EZAudio/EZAudio.h>
 
 //------------------------------------------------------------------------------
-#pragma mark - Components
+#pragma mark - AppDelegate
 //------------------------------------------------------------------------------
 
-/**
- The CoreGraphics based audio plot
- */
+@interface AppDelegate : NSObject <EZMicrophoneDelegate, NSApplicationDelegate>
+
+//------------------------------------------------------------------------------
+#pragma mark - Properties
+//------------------------------------------------------------------------------
+
+@property (assign) IBOutlet NSWindow *window;
+
+//------------------------------------------------------------------------------
+#pragma mark - Properties
+//------------------------------------------------------------------------------
+
+//
+// The CoreGraphics based audio plot
+//
 @property (nonatomic, weak) IBOutlet EZAudioPlot *audioPlot;
 
-/**
- The microphone component
- */
+//
+// The microphone
+//
 @property (nonatomic, strong) EZMicrophone *microphone;
 
-/**
- The microphone pop up button (contains the menu for choosing a microphone input)
- */
+//
+// The microphone pop up button (contains the menu for choosing a microphone
+// input)
+//
 @property (nonatomic, weak) IBOutlet NSPopUpButton *microphoneInputPopUpButton;
 
-/**
- The microphone input channel pop up button (contains the menu for choosing a microphone input channel)
- */
+//
+// The microphone input channel pop up button (contains the menu for choosing a
+// microphone input channel)
+//
 @property (nonatomic, weak) IBOutlet NSPopUpButton *microphoneInputChannelPopUpButton;
 
+//
+// The checkbox button used to turn the microphone off/on
+//
+@property (nonatomic, weak) IBOutlet NSButton *microphoneSwitch;
+
 //------------------------------------------------------------------------------
 #pragma mark - Actions
 //------------------------------------------------------------------------------
 
-/**
- Switches the plot drawing type between a buffer plot (visualizes the current stream of audio data from the update function) or a rolling plot (visualizes the audio data over time, this is the classic waveform look)
- */
+//
+// Switches the plot drawing type between a buffer plot (visualizes the current
+// stream of audio data from the update function) or a rolling plot (visualizes
+// the audio data over time, this is the classic waveform look)
+//
 -(IBAction)changePlotType:(id)sender;
 
-/**
- Toggles the microphone on and off. When the microphone is on it will send its delegate (aka this view controller) the audio data in various ways (check out the EZMicrophoneDelegate documentation for more details);
- */
+//
+// Toggles the microphone on and off. When the microphone is on it will send its
+// delegate (aka this view controller) the audio data in various ways (check out
+// the EZMicrophoneDelegate documentation for more details)
+//
 -(IBAction)toggleMicrophone:(id)sender;
 
 @end

EZAudioExamples/OSX/CoreGraphicsWaveform/CoreGraphicsWaveform/AppDelegate.m

@@ -1,8 +1,9 @@
 //
-//  CoreGraphicsWaveformViewController.m
-//  EZAudioCoreGraphicsWaveformExample
+//  AppDelegate.m
+//  CoreGraphicsWaveform
 //
 //  Created by Syed Haris Ali on 12/1/13.
+//  Updated by Syed Haris Ali on 1/23/16.
 //  Copyright (c) 2013 Syed Haris Ali. All rights reserved.
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -23,28 +24,31 @@
 //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 //  THE SOFTWARE.
 
-#import "CoreGraphicsWaveformViewController.h"
+#import "AppDelegate.h"
 
-@implementation CoreGraphicsWaveformViewController
+@implementation AppDelegate
 
 //------------------------------------------------------------------------------
-#pragma mark - Customize the Audio Plot
+#pragma mark - Customize The Plot's Appearance
 //------------------------------------------------------------------------------
 
-- (void)awakeFromNib
+- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
 {
     //
-    // Customizing the audio plot's look
+    // Set plot's background color
     //
-    // Background color
     self.audioPlot.backgroundColor = [NSColor colorWithCalibratedRed: 0.984 green: 0.471 blue: 0.525 alpha: 1];
     
-    // Waveform color
+    //
+    // Set plot's waveform color
+    //
     self.audioPlot.color = [NSColor colorWithCalibratedRed: 1.000 green: 1.000 blue: 1.000 alpha: 1];
     
-    // Plot type
+    //
+    // Plot type (buffer means real-time, rolling is over time)
+    //
     self.audioPlot.plotType = EZPlotTypeBuffer;
-
+    
     //
     // Create the microphone
     //
@@ -183,16 +187,31 @@
 
 #pragma mark - EZMicrophoneDelegate
 #warning Thread Safety
-// Note that any callback that provides streamed audio data (like streaming microphone input) happens on a separate audio thread that should not be blocked. When we feed audio data into any of the UI components we need to explicity create a GCD block on the main thread to properly get the UI to work.
+//
+// Note that any callback that provides streamed audio data (like streaming
+// microphone input) happens on a separate audio thread that should not be
+// blocked. When we feed audio data into any of the UI components we need to
+// explicity create a GCD block on the main thread to properly get the UI to
+// work.
+//
 - (void)   microphone:(EZMicrophone *)microphone
      hasAudioReceived:(float **)buffer
        withBufferSize:(UInt32)bufferSize
  withNumberOfChannels:(UInt32)numberOfChannels
 {
-    // See the Thread Safety warning above, but in a nutshell these callbacks happen on a separate audio thread. We wrap any UI updating in a GCD block on the main thread to avoid blocking that audio flow.
+    //
+    // See the Thread Safety warning above, but in a nutshell these callbacks
+    // happen on a separate audio thread. We wrap any UI updating in a GCD block
+    // on the main thread to avoid blocking that audio flow.
+    //
     __weak typeof(self) weakSelf = self;
     dispatch_async(dispatch_get_main_queue(),^{
-    // All the audio plot needs is the buffer data (float*) and the size. Internally the audio plot will handle all the drawing related code, history management, and freeing its own resources. Hence, one badass line of code gets you a pretty plot :)
+        //
+        // All the audio plot needs is the buffer data (float *) and the size.
+        // Internally the audio plot will handle all the drawing related code,
+        // history management, and freeing its own resources. Hence, one badass
+        // line of code gets you a pretty plot :)
+        //
         NSInteger channel = [weakSelf.microphoneInputChannelPopUpButton indexOfSelectedItem];
         [weakSelf.audioPlot updateBuffer:buffer[channel] withBufferSize:bufferSize];
     });
@@ -202,8 +221,13 @@
 
 - (void)microphone:(EZMicrophone *)microphone hasAudioStreamBasicDescription:(AudioStreamBasicDescription)audioStreamBasicDescription
 {
-    // The AudioStreamBasicDescription of the microphone stream. This is useful when configuring the EZRecorder or telling another component what audio format type to expect.
-    // Here's a print function to allow you to inspect it a little easier
+    // The AudioStreamBasicDescription of the microphone stream. This is useful
+    // when configuring the EZRecorder or telling another component what audio
+    // format type to expect.
+    
+    //
+    // Here's a print function to allow you to inspect it a little easier.
+    //
     [EZAudioUtilities printASBD:audioStreamBasicDescription];
 }
 
@@ -214,7 +238,10 @@
     withBufferSize:(UInt32)bufferSize
 withNumberOfChannels:(UInt32)numberOfChannels
 {
-    // Getting audio data as a buffer list that can be directly fed into the EZRecorder or EZOutput. Say whattt...
+    //
+    // Getting audio data as a buffer list that can be directly fed into
+    // the EZRecorder or EZOutput. Say whattt...
+    //
 }
 
 //------------------------------------------------------------------------------
@@ -240,4 +267,25 @@ withNumberOfChannels:(UInt32)numberOfChannels
 
 //------------------------------------------------------------------------------
 
-@end
+- (void)microphone:(EZMicrophone *)microphone changedPlayingState:(BOOL)isPlaying
+{
+    NSString *title = isPlaying ? @"Microphone On" : @"Microphone Off";
+    [self setTitle:title forButton:self.microphoneSwitch];
+}
+
+//------------------------------------------------------------------------------
+#pragma mark - Utility
+//------------------------------------------------------------------------------
+
+- (void)setTitle:(NSString *)title forButton:(NSButton *)button
+{
+    NSDictionary *attributes = @{ NSForegroundColorAttributeName : [NSColor whiteColor] };
+    NSAttributedString *attributedTitle = [[NSAttributedString alloc] initWithString:title
+                                                                          attributes:attributes];
+    button.attributedTitle = attributedTitle;
+    button.attributedAlternateTitle = attributedTitle;
+}
+
+//------------------------------------------------------------------------------
+
+@end

EZAudioExamples/OSX/CoreGraphicsWaveform/CoreGraphicsWaveform/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -1,53 +1,63 @@
 {
   "images" : [
     {
-      "idiom" : "mac",
       "size" : "16x16",
+      "idiom" : "mac",
+      "filename" : "icon_16x16.png",
       "scale" : "1x"
     },
     {
-      "idiom" : "mac",
       "size" : "16x16",
+      "idiom" : "mac",
+      "filename" : "icon_16x16@2x.png",
       "scale" : "2x"
     },
     {
-      "idiom" : "mac",
       "size" : "32x32",
+      "idiom" : "mac",
+      "filename" : "icon_32x32.png",
       "scale" : "1x"
     },
     {
-      "idiom" : "mac",
       "size" : "32x32",
+      "idiom" : "mac",
+      "filename" : "icon_32x32@2x.png",
       "scale" : "2x"
     },
     {
-      "idiom" : "mac",
       "size" : "128x128",
+      "idiom" : "mac",
+      "filename" : "icon_128x128.png",
       "scale" : "1x"
     },
     {
-      "idiom" : "mac",
       "size" : "128x128",
+      "idiom" : "mac",
+      "filename" : "icon_128x128@2x.png",
       "scale" : "2x"
     },
     {
-      "idiom" : "mac",
       "size" : "256x256",
+      "idiom" : "mac",
+      "filename" : "icon_256x256.png",
       "scale" : "1x"
     },
     {
-      "idiom" : "mac",
       "size" : "256x256",
+      "idiom" : "mac",
+      "filename" : "icon_256x256@2x.png",
       "scale" : "2x"
     },
     {
-      "idiom" : "mac",
       "size" : "512x512",
+      "idiom" : "mac",
+      "filename" : "icon_512x512.png",
       "scale" : "1x"
     },
     {
-      "idiom" : "mac",
       "size" : "512x512",
+      "idiom" : "mac",
+      "filename" : "icon_512x512@2x.png",
       "scale" : "2x"
     }
   ],

EZAudioExamples/OSX/CoreGraphicsWaveform/CoreGraphicsWaveform/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

EZAudioExamples/OSX/CoreGraphicsWaveform/CoreGraphicsWaveform/Base.lproj/MainMenu.xib

@@ -0,0 +1,790 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="9531" systemVersion="15C50" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+    <dependencies>
+        <deployment identifier="macosx"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="9531"/>
+    </dependencies>
+    <objects>
+        <customObject id="-2" userLabel="File's Owner" customClass="NSApplication">
+            <connections>
+                <outlet property="delegate" destination="Voe-Tx-rLC" id="GzC-gU-4Uq"/>
+            </connections>
+        </customObject>
+        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
+        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
+        <customObject id="Voe-Tx-rLC" customClass="AppDelegate">
+            <connections>
+                <outlet property="audioPlot" destination="UKU-Zt-VNI" id="VZE-Q5-pWX"/>
+                <outlet property="microphoneInputChannelPopUpButton" destination="eQn-G8-sEy" id="t6L-MA-Ir9"/>
+                <outlet property="microphoneInputPopUpButton" destination="iw4-UD-y2x" id="u5y-KI-fWu"/>
+                <outlet property="microphoneSwitch" destination="OcB-2r-09B" id="S6J-CM-twc"/>
+                <outlet property="window" destination="QvC-M9-y7g" id="gIp-Ho-8D9"/>
+            </connections>
+        </customObject>
+        <customObject id="YLy-65-1bz" customClass="NSFontManager"/>
+        <menu title="Main Menu" systemMenu="main" id="AYu-sK-qS6">
+            <items>
+                <menuItem title="CoreGraphicsWaveform" id="1Xt-HY-uBw">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="CoreGraphicsWaveform" systemMenu="apple" id="uQy-DD-JDr">
+                        <items>
+                            <menuItem title="About CoreGraphicsWaveform" id="5kV-Vb-QxS">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="orderFrontStandardAboutPanel:" target="-1" id="Exp-CZ-Vem"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="VOq-y0-SEH"/>
+                            <menuItem title="Preferences…" keyEquivalent="," id="BOF-NM-1cW"/>
+                            <menuItem isSeparatorItem="YES" id="wFC-TO-SCJ"/>
+                            <menuItem title="Services" id="NMo-om-nkz">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Services" systemMenu="services" id="hz9-B4-Xy5"/>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="4je-JR-u6R"/>
+                            <menuItem title="Hide CoreGraphicsWaveform" keyEquivalent="h" id="Olw-nP-bQN">
+                                <connections>
+                                    <action selector="hide:" target="-1" id="PnN-Uc-m68"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Hide Others" keyEquivalent="h" id="Vdr-fp-XzO">
+                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                <connections>
+                                    <action selector="hideOtherApplications:" target="-1" id="VT4-aY-XCT"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Show All" id="Kd2-mp-pUS">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="unhideAllApplications:" target="-1" id="Dhg-Le-xox"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="kCx-OE-vgT"/>
+                            <menuItem title="Quit CoreGraphicsWaveform" keyEquivalent="q" id="4sb-4s-VLi">
+                                <connections>
+                                    <action selector="terminate:" target="-1" id="Te7-pn-YzF"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="File" id="dMs-cI-mzQ">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="File" id="bib-Uj-vzu">
+                        <items>
+                            <menuItem title="New" keyEquivalent="n" id="Was-JA-tGl">
+                                <connections>
+                                    <action selector="newDocument:" target="-1" id="4Si-XN-c54"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Open…" keyEquivalent="o" id="IAo-SY-fd9">
+                                <connections>
+                                    <action selector="openDocument:" target="-1" id="bVn-NM-KNZ"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Open Recent" id="tXI-mr-wws">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Open Recent" systemMenu="recentDocuments" id="oas-Oc-fiZ">
+                                    <items>
+                                        <menuItem title="Clear Menu" id="vNY-rz-j42">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="clearRecentDocuments:" target="-1" id="Daa-9d-B3U"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="m54-Is-iLE"/>
+                            <menuItem title="Close" keyEquivalent="w" id="DVo-aG-piG">
+                                <connections>
+                                    <action selector="performClose:" target="-1" id="HmO-Ls-i7Q"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Save…" keyEquivalent="s" id="pxx-59-PXV">
+                                <connections>
+                                    <action selector="saveDocument:" target="-1" id="teZ-XB-qJY"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Save As…" keyEquivalent="S" id="Bw7-FT-i3A">
+                                <connections>
+                                    <action selector="saveDocumentAs:" target="-1" id="mDf-zr-I0C"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Revert to Saved" id="KaW-ft-85H">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="revertDocumentToSaved:" target="-1" id="iJ3-Pv-kwq"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="aJh-i4-bef"/>
+                            <menuItem title="Page Setup…" keyEquivalent="P" id="qIS-W8-SiK">
+                                <modifierMask key="keyEquivalentModifierMask" shift="YES" command="YES"/>
+                                <connections>
+                                    <action selector="runPageLayout:" target="-1" id="Din-rz-gC5"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Print…" keyEquivalent="p" id="aTl-1u-JFS">
+                                <connections>
+                                    <action selector="print:" target="-1" id="qaZ-4w-aoO"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Edit" id="5QF-Oa-p0T">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Edit" id="W48-6f-4Dl">
+                        <items>
+                            <menuItem title="Undo" keyEquivalent="z" id="dRJ-4n-Yzg">
+                                <connections>
+                                    <action selector="undo:" target="-1" id="M6e-cu-g7V"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Redo" keyEquivalent="Z" id="6dh-zS-Vam">
+                                <connections>
+                                    <action selector="redo:" target="-1" id="oIA-Rs-6OD"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="WRV-NI-Exz"/>
+                            <menuItem title="Cut" keyEquivalent="x" id="uRl-iY-unG">
+                                <connections>
+                                    <action selector="cut:" target="-1" id="YJe-68-I9s"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Copy" keyEquivalent="c" id="x3v-GG-iWU">
+                                <connections>
+                                    <action selector="copy:" target="-1" id="G1f-GL-Joy"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Paste" keyEquivalent="v" id="gVA-U4-sdL">
+                                <connections>
+                                    <action selector="paste:" target="-1" id="UvS-8e-Qdg"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Paste and Match Style" keyEquivalent="V" id="WeT-3V-zwk">
+                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                <connections>
+                                    <action selector="pasteAsPlainText:" target="-1" id="cEh-KX-wJQ"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Delete" id="pa3-QI-u2k">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="delete:" target="-1" id="0Mk-Ml-PaM"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Select All" keyEquivalent="a" id="Ruw-6m-B2m">
+                                <connections>
+                                    <action selector="selectAll:" target="-1" id="VNm-Mi-diN"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="uyl-h8-XO2"/>
+                            <menuItem title="Find" id="4EN-yA-p0u">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Find" id="1b7-l0-nxx">
+                                    <items>
+                                        <menuItem title="Find…" tag="1" keyEquivalent="f" id="Xz5-n4-O0W">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="cD7-Qs-BN4"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find and Replace…" tag="12" keyEquivalent="f" id="YEy-JH-Tfz">
+                                            <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="WD3-Gg-5AJ"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find Next" tag="2" keyEquivalent="g" id="q09-fT-Sye">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="NDo-RZ-v9R"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find Previous" tag="3" keyEquivalent="G" id="OwM-mh-QMV">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="HOh-sY-3ay"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Use Selection for Find" tag="7" keyEquivalent="e" id="buJ-ug-pKt">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="U76-nv-p5D"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Jump to Selection" keyEquivalent="j" id="S0p-oC-mLd">
+                                            <connections>
+                                                <action selector="centerSelectionInVisibleArea:" target="-1" id="IOG-6D-g5B"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Spelling and Grammar" id="Dv1-io-Yv7">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Spelling" id="3IN-sU-3Bg">
+                                    <items>
+                                        <menuItem title="Show Spelling and Grammar" keyEquivalent=":" id="HFo-cy-zxI">
+                                            <connections>
+                                                <action selector="showGuessPanel:" target="-1" id="vFj-Ks-hy3"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Check Document Now" keyEquivalent=";" id="hz2-CU-CR7">
+                                            <connections>
+                                                <action selector="checkSpelling:" target="-1" id="fz7-VC-reM"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="bNw-od-mp5"/>
+                                        <menuItem title="Check Spelling While Typing" id="rbD-Rh-wIN">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleContinuousSpellChecking:" target="-1" id="7w6-Qz-0kB"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Check Grammar With Spelling" id="mK6-2p-4JG">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleGrammarChecking:" target="-1" id="muD-Qn-j4w"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Correct Spelling Automatically" id="78Y-hA-62v">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticSpellingCorrection:" target="-1" id="2lM-Qi-WAP"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Substitutions" id="9ic-FL-obx">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Substitutions" id="FeM-D8-WVr">
+                                    <items>
+                                        <menuItem title="Show Substitutions" id="z6F-FW-3nz">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="orderFrontSubstitutionsPanel:" target="-1" id="oku-mr-iSq"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="gPx-C9-uUO"/>
+                                        <menuItem title="Smart Copy/Paste" id="9yt-4B-nSM">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleSmartInsertDelete:" target="-1" id="3IJ-Se-DZD"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Quotes" id="hQb-2v-fYv">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticQuoteSubstitution:" target="-1" id="ptq-xd-QOA"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Dashes" id="rgM-f4-ycn">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticDashSubstitution:" target="-1" id="oCt-pO-9gS"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Links" id="cwL-P1-jid">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticLinkDetection:" target="-1" id="Gip-E3-Fov"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Data Detectors" id="tRr-pd-1PS">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticDataDetection:" target="-1" id="R1I-Nq-Kbl"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Text Replacement" id="HFQ-gK-NFA">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticTextReplacement:" target="-1" id="DvP-Fe-Py6"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Transformations" id="2oI-Rn-ZJC">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Transformations" id="c8a-y6-VQd">
+                                    <items>
+                                        <menuItem title="Make Upper Case" id="vmV-6d-7jI">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="uppercaseWord:" target="-1" id="sPh-Tk-edu"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Make Lower Case" id="d9M-CD-aMd">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="lowercaseWord:" target="-1" id="iUZ-b5-hil"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Capitalize" id="UEZ-Bs-lqG">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="capitalizeWord:" target="-1" id="26H-TL-nsh"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Speech" id="xrE-MZ-jX0">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Speech" id="3rS-ZA-NoH">
+                                    <items>
+                                        <menuItem title="Start Speaking" id="Ynk-f8-cLZ">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="startSpeaking:" target="-1" id="654-Ng-kyl"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Stop Speaking" id="Oyz-dy-DGm">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="stopSpeaking:" target="-1" id="dX8-6p-jy9"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Format" id="jxT-CU-nIS">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Format" id="GEO-Iw-cKr">
+                        <items>
+                            <menuItem title="Font" id="Gi5-1S-RQB">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Font" systemMenu="font" id="aXa-aM-Jaq">
+                                    <items>
+                                        <menuItem title="Show Fonts" keyEquivalent="t" id="Q5e-8K-NDq">
+                                            <connections>
+                                                <action selector="orderFrontFontPanel:" target="YLy-65-1bz" id="WHr-nq-2xA"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Bold" tag="2" keyEquivalent="b" id="GB9-OM-e27">
+                                            <connections>
+                                                <action selector="addFontTrait:" target="YLy-65-1bz" id="hqk-hr-sYV"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Italic" tag="1" keyEquivalent="i" id="Vjx-xi-njq">
+                                            <connections>
+                                                <action selector="addFontTrait:" target="YLy-65-1bz" id="IHV-OB-c03"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Underline" keyEquivalent="u" id="WRG-CD-K1S">
+                                            <connections>
+                                                <action selector="underline:" target="-1" id="FYS-2b-JAY"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="5gT-KC-WSO"/>
+                                        <menuItem title="Bigger" tag="3" keyEquivalent="+" id="Ptp-SP-VEL">
+                                            <connections>
+                                                <action selector="modifyFont:" target="YLy-65-1bz" id="Uc7-di-UnL"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smaller" tag="4" keyEquivalent="-" id="i1d-Er-qST">
+                                            <connections>
+                                                <action selector="modifyFont:" target="YLy-65-1bz" id="HcX-Lf-eNd"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="kx3-Dk-x3B"/>
+                                        <menuItem title="Kern" id="jBQ-r6-VK2">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <menu key="submenu" title="Kern" id="tlD-Oa-oAM">
+                                                <items>
+                                                    <menuItem title="Use Default" id="GUa-eO-cwY">
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="useStandardKerning:" target="-1" id="6dk-9l-Ckg"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                    <menuItem title="Use None" id="cDB-IK-hbR">
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="turnOffKerning:" target="-1" id="U8a-gz-Maa"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                    <menuItem title="Tighten" id="46P-cB-AYj">
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="tightenKerning:" target="-1" id="hr7-Nz-8ro"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                    <menuItem title="Loosen" id="ogc-rX-tC1">
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="loosenKerning:" target="-1" id="8i4-f9-FKE"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                </items>
+                                            </menu>
+                                        </menuItem>
+                                        <menuItem title="Ligatures" id="o6e-r0-MWq">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <menu key="submenu" title="Ligatures" id="w0m-vy-SC9">
+                                                <items>
+                                                    <menuItem title="Use Default" id="agt-UL-0e3">
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="useStandardLigatures:" target="-1" id="7uR-wd-Dx6"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                    <menuItem title="Use None" id="J7y-lM-qPV">
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="turnOffLigatures:" target="-1" id="iX2-gA-Ilz"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                    <menuItem title="Use All" id="xQD-1f-W4t">
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="useAllLigatures:" target="-1" id="KcB-kA-TuK"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                </items>
+                                            </menu>
+                                        </menuItem>
+                                        <menuItem title="Baseline" id="OaQ-X3-Vso">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <menu key="submenu" title="Baseline" id="ijk-EB-dga">
+                                                <items>
+                                                    <menuItem title="Use Default" id="3Om-Ey-2VK">
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="unscript:" target="-1" id="0vZ-95-Ywn"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                    <menuItem title="Superscript" id="Rqc-34-cIF">
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="superscript:" target="-1" id="3qV-fo-wpU"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                    <menuItem title="Subscript" id="I0S-gh-46l">
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="subscript:" target="-1" id="Q6W-4W-IGz"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                    <menuItem title="Raise" id="2h7-ER-AoG">
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="raiseBaseline:" target="-1" id="4sk-31-7Q9"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                    <menuItem title="Lower" id="1tx-W0-xDw">
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="lowerBaseline:" target="-1" id="OF1-bc-KW4"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                </items>
+                                            </menu>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="Ndw-q3-faq"/>
+                                        <menuItem title="Show Colors" keyEquivalent="C" id="bgn-CT-cEk">
+                                            <connections>
+                                                <action selector="orderFrontColorPanel:" target="-1" id="mSX-Xz-DV3"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="iMs-zA-UFJ"/>
+                                        <menuItem title="Copy Style" keyEquivalent="c" id="5Vv-lz-BsD">
+                                            <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                            <connections>
+                                                <action selector="copyFont:" target="-1" id="GJO-xA-L4q"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Paste Style" keyEquivalent="v" id="vKC-jM-MkH">
+                                            <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                            <connections>
+                                                <action selector="pasteFont:" target="-1" id="JfD-CL-leO"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Text" id="Fal-I4-PZk">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Text" id="d9c-me-L2H">
+                                    <items>
+                                        <menuItem title="Align Left" keyEquivalent="{" id="ZM1-6Q-yy1">
+                                            <connections>
+                                                <action selector="alignLeft:" target="-1" id="zUv-R1-uAa"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Center" keyEquivalent="|" id="VIY-Ag-zcb">
+                                            <connections>
+                                                <action selector="alignCenter:" target="-1" id="spX-mk-kcS"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Justify" id="J5U-5w-g23">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="alignJustified:" target="-1" id="ljL-7U-jND"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Align Right" keyEquivalent="}" id="wb2-vD-lq4">
+                                            <connections>
+                                                <action selector="alignRight:" target="-1" id="r48-bG-YeY"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="4s2-GY-VfK"/>
+                                        <menuItem title="Writing Direction" id="H1b-Si-o9J">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <menu key="submenu" title="Writing Direction" id="8mr-sm-Yjd">
+                                                <items>
+                                                    <menuItem title="Paragraph" enabled="NO" id="ZvO-Gk-QUH">
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                    </menuItem>
+                                                    <menuItem id="YGs-j5-SAR">
+                                                        <string key="title">	Default</string>
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="makeBaseWritingDirectionNatural:" target="-1" id="qtV-5e-UBP"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                    <menuItem id="Lbh-J2-qVU">
+                                                        <string key="title">	Left to Right</string>
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="makeBaseWritingDirectionLeftToRight:" target="-1" id="S0X-9S-QSf"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                    <menuItem id="jFq-tB-4Kx">
+                                                        <string key="title">	Right to Left</string>
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="makeBaseWritingDirectionRightToLeft:" target="-1" id="5fk-qB-AqJ"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                    <menuItem isSeparatorItem="YES" id="swp-gr-a21"/>
+                                                    <menuItem title="Selection" enabled="NO" id="cqv-fj-IhA">
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                    </menuItem>
+                                                    <menuItem id="Nop-cj-93Q">
+                                                        <string key="title">	Default</string>
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="makeTextWritingDirectionNatural:" target="-1" id="lPI-Se-ZHp"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                    <menuItem id="BgM-ve-c93">
+                                                        <string key="title">	Left to Right</string>
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="makeTextWritingDirectionLeftToRight:" target="-1" id="caW-Bv-w94"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                    <menuItem id="RB4-Sm-HuC">
+                                                        <string key="title">	Right to Left</string>
+                                                        <modifierMask key="keyEquivalentModifierMask"/>
+                                                        <connections>
+                                                            <action selector="makeTextWritingDirectionRightToLeft:" target="-1" id="EXD-6r-ZUu"/>
+                                                        </connections>
+                                                    </menuItem>
+                                                </items>
+                                            </menu>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="fKy-g9-1gm"/>
+                                        <menuItem title="Show Ruler" id="vLm-3I-IUL">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleRuler:" target="-1" id="FOx-HJ-KwY"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Copy Ruler" keyEquivalent="c" id="MkV-Pr-PK5">
+                                            <modifierMask key="keyEquivalentModifierMask" control="YES" command="YES"/>
+                                            <connections>
+                                                <action selector="copyRuler:" target="-1" id="71i-fW-3W2"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Paste Ruler" keyEquivalent="v" id="LVM-kO-fVI">
+                                            <modifierMask key="keyEquivalentModifierMask" control="YES" command="YES"/>
+                                            <connections>
+                                                <action selector="pasteRuler:" target="-1" id="cSh-wd-qM2"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="View" id="H8h-7b-M4v">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="View" id="HyV-fh-RgO">
+                        <items>
+                            <menuItem title="Show Toolbar" keyEquivalent="t" id="snW-S8-Cw5">
+                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                <connections>
+                                    <action selector="toggleToolbarShown:" target="-1" id="BXY-wc-z0C"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Customize Toolbar…" id="1UK-8n-QPP">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="runToolbarCustomizationPalette:" target="-1" id="pQI-g3-MTW"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Window" id="aUF-d1-5bR">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Window" systemMenu="window" id="Td7-aD-5lo">
+                        <items>
+                            <menuItem title="Minimize" keyEquivalent="m" id="OY7-WF-poV">
+                                <connections>
+                                    <action selector="performMiniaturize:" target="-1" id="VwT-WD-YPe"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Zoom" id="R4o-n2-Eq4">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="performZoom:" target="-1" id="DIl-cC-cCs"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="eu3-7i-yIM"/>
+                            <menuItem title="Bring All to Front" id="LE2-aR-0XJ">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="arrangeInFront:" target="-1" id="DRN-fu-gQh"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Help" id="wpr-3q-Mcd">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Help" systemMenu="help" id="F2S-fz-NVQ">
+                        <items>
+                            <menuItem title="CoreGraphicsWaveform Help" keyEquivalent="?" id="FKE-Sm-Kum">
+                                <connections>
+                                    <action selector="showHelp:" target="-1" id="y7X-2Q-9no"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+            </items>
+        </menu>
+        <window title="CoreGraphicsWaveform" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" animationBehavior="default" id="QvC-M9-y7g">
+            <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
+            <windowPositionMask key="initialPositionMask" leftStrut="YES" rightStrut="YES" topStrut="YES" bottomStrut="YES"/>
+            <rect key="contentRect" x="335" y="390" width="480" height="272"/>
+            <rect key="screenRect" x="0.0" y="0.0" width="1440" height="877"/>
+            <view key="contentView" id="EiT-Mj-1SZ">
+                <rect key="frame" x="0.0" y="0.0" width="480" height="272"/>
+                <autoresizingMask key="autoresizingMask"/>
+                <subviews>
+                    <customView translatesAutoresizingMaskIntoConstraints="NO" id="UKU-Zt-VNI" customClass="EZAudioPlot">
+                        <rect key="frame" x="0.0" y="0.0" width="480" height="272"/>
+                        <subviews>
+                            <button translatesAutoresizingMaskIntoConstraints="NO" id="OcB-2r-09B">
+                                <rect key="frame" x="339" y="44" width="123" height="18"/>
+                                <constraints>
+                                    <constraint firstAttribute="width" constant="119" id="IYG-tU-wTC"/>
+                                </constraints>
+                                <buttonCell key="cell" type="check" title="Microphone On" bezelStyle="regularSquare" imagePosition="right" state="on" inset="2" id="nLI-9n-Lq4">
+                                    <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
+                                    <font key="font" metaFont="system"/>
+                                </buttonCell>
+                                <connections>
+                                    <action selector="toggleMicrophone:" target="Voe-Tx-rLC" id="owY-ee-pxT"/>
+                                </connections>
+                            </button>
+                            <segmentedControl verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="vg4-nF-3aC">
+                                <rect key="frame" x="336" y="15" width="126" height="24"/>
+                                <segmentedCell key="cell" borderStyle="border" alignment="left" style="rounded" trackingMode="selectOne" id="izG-Ud-yhj">
+                                    <font key="font" metaFont="system"/>
+                                    <segments>
+                                        <segment label="Buffer" selected="YES"/>
+                                        <segment label="Rolling" tag="1"/>
+                                    </segments>
+                                </segmentedCell>
+                                <connections>
+                                    <action selector="changePlotType:" target="Voe-Tx-rLC" id="tpI-pn-CXh"/>
+                                </connections>
+                            </segmentedControl>
+                            <popUpButton verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="iw4-UD-y2x" userLabel="microphoneInputPopUpButton">
+                                <rect key="frame" x="18" y="14" width="180" height="26"/>
+                                <constraints>
+                                    <constraint firstAttribute="width" constant="175" id="pXT-MN-bhv"/>
+                                </constraints>
+                                <popUpButtonCell key="cell" type="push" title="Item 1" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="NAH-si-Cz7" id="iUB-oI-R1w">
+                                    <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
+                                    <font key="font" metaFont="menu"/>
+                                    <menu key="menu" id="qYP-H1-Bk6">
+                                        <items>
+                                            <menuItem title="Item 1" state="on" id="NAH-si-Cz7"/>
+                                            <menuItem title="Item 2" id="BXf-ml-R0L"/>
+                                            <menuItem title="Item 3" id="K8l-2q-4fM"/>
+                                        </items>
+                                    </menu>
+                                </popUpButtonCell>
+                            </popUpButton>
+                            <popUpButton verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="eQn-G8-sEy" userLabel="microphoneInputChannelPopUpButton">
+                                <rect key="frame" x="204" y="14" width="79" height="26"/>
+                                <constraints>
+                                    <constraint firstAttribute="width" constant="74" id="YOF-2X-UV4"/>
+                                </constraints>
+                                <popUpButtonCell key="cell" type="push" title="1" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="xFp-40-Dr9" id="BFV-5e-q9Y">
+                                    <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
+                                    <font key="font" metaFont="menu"/>
+                                    <menu key="menu" id="iMm-fx-yJb">
+                                        <items>
+                                            <menuItem title="1" state="on" id="xFp-40-Dr9"/>
+                                            <menuItem title="Item 2" id="h5D-tQ-aWj"/>
+                                            <menuItem title="Item 3" id="KIX-gW-QNf"/>
+                                        </items>
+                                    </menu>
+                                </popUpButtonCell>
+                            </popUpButton>
+                            <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="hQY-oe-OzP">
+                                <rect key="frame" x="18" y="43" width="35" height="17"/>
+                                <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" title="Input" id="bY0-Zl-AT5">
+                                    <font key="font" metaFont="system"/>
+                                    <color key="textColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                                    <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
+                                </textFieldCell>
+                            </textField>
+                            <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="ve4-EX-2la">
+                                <rect key="frame" x="204" y="43" width="54" height="17"/>
+                                <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" title="Channel" id="suO-Th-3jL">
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+                                    <color key="textColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                                    <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
+                                </textFieldCell>
+                            </textField>
+                        </subviews>
+                        <constraints>
+                            <constraint firstAttribute="bottom" secondItem="eQn-G8-sEy" secondAttribute="bottom" constant="17" id="3cy-PJ-m0Y"/>
+                            <constraint firstItem="vg4-nF-3aC" firstAttribute="top" secondItem="OcB-2r-09B" secondAttribute="bottom" constant="8" id="9k9-TY-Bjf"/>
+                            <constraint firstItem="vg4-nF-3aC" firstAttribute="leading" relation="greaterThanOrEqual" secondItem="eQn-G8-sEy" secondAttribute="trailing" constant="11" id="M6I-rI-pcs"/>
+                            <constraint firstAttribute="bottom" secondItem="iw4-UD-y2x" secondAttribute="bottom" constant="17" id="NZe-J3-FGY"/>
+                            <constraint firstItem="eQn-G8-sEy" firstAttribute="leading" secondItem="ve4-EX-2la" secondAttribute="leading" id="URh-po-xQb"/>
+                            <constraint firstItem="iw4-UD-y2x" firstAttribute="leading" secondItem="UKU-Zt-VNI" secondAttribute="leading" constant="20" id="YeT-tO-rG3"/>
+                            <constraint firstAttribute="bottom" secondItem="vg4-nF-3aC" secondAttribute="bottom" constant="17" id="aid-He-3CY"/>
+                            <constraint firstAttribute="trailing" secondItem="OcB-2r-09B" secondAttribute="trailing" constant="20" id="ceh-Ub-H3g"/>
+                            <constraint firstItem="eQn-G8-sEy" firstAttribute="top" secondItem="ve4-EX-2la" secondAttribute="bottom" constant="5" id="enm-hh-fpR"/>
+                            <constraint firstAttribute="trailing" secondItem="vg4-nF-3aC" secondAttribute="trailing" constant="20" id="kkp-oh-PX1"/>
+                            <constraint firstItem="hQY-oe-OzP" firstAttribute="leading" secondItem="UKU-Zt-VNI" secondAttribute="leading" constant="20" id="ptg-v2-mao"/>
+                            <constraint firstItem="eQn-G8-sEy" firstAttribute="leading" secondItem="iw4-UD-y2x" secondAttribute="trailing" constant="11" id="waP-mh-dlK"/>
+                            <constraint firstItem="iw4-UD-y2x" firstAttribute="top" secondItem="hQY-oe-OzP" secondAttribute="bottom" constant="5" id="wzU-X6-aEB"/>
+                        </constraints>
+                    </customView>
+                </subviews>
+                <constraints>
+                    <constraint firstItem="UKU-Zt-VNI" firstAttribute="top" secondItem="EiT-Mj-1SZ" secondAttribute="top" id="AgR-SX-Oic"/>
+                    <constraint firstAttribute="bottom" secondItem="UKU-Zt-VNI" secondAttribute="bottom" id="XJr-UI-i7d"/>
+                    <constraint firstItem="UKU-Zt-VNI" firstAttribute="leading" secondItem="EiT-Mj-1SZ" secondAttribute="leading" id="gOP-bJ-FcC"/>
+                    <constraint firstAttribute="trailing" secondItem="UKU-Zt-VNI" secondAttribute="trailing" id="yV6-Vo-HHU"/>
+                </constraints>
+            </view>
+            <point key="canvasLocation" x="414" y="327"/>
+        </window>
+    </objects>
+</document>

EZAudioExamples/OSX/CoreGraphicsWaveform/CoreGraphicsWaveform/Info.plist

@@ -5,15 +5,15 @@
 	<key>CFBundleDevelopmentRegion</key>
 	<string>en</string>
 	<key>CFBundleExecutable</key>
-	<string>${EXECUTABLE_NAME}</string>
+	<string>$(EXECUTABLE_NAME)</string>
 	<key>CFBundleIconFile</key>
 	<string></string>
 	<key>CFBundleIdentifier</key>
-	<string>com.sha.${PRODUCT_NAME:rfc1034identifier}</string>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
-	<string>${PRODUCT_NAME}</string>
+	<string>$(PRODUCT_NAME)</string>
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
@@ -23,9 +23,9 @@
 	<key>CFBundleVersion</key>
 	<string>1</string>
 	<key>LSMinimumSystemVersion</key>
-	<string>${MACOSX_DEPLOYMENT_TARGET}</string>
+	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2013 Syed Haris Ali. All rights reserved.</string>
+	<string>Copyright © 2016 Syed Haris Ali. All rights reserved.</string>
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
 	<key>NSPrincipalClass</key>

EZAudioExamples/OSX/CoreGraphicsWaveform/CoreGraphicsWaveform/main.m

@@ -0,0 +1,13 @@
+//
+//  main.m
+//  CoreGraphicsWaveform
+//
+//  Created by Syed Haris Ali on 1/23/16.
+//  Copyright © 2016 Syed Haris Ali. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+int main(int argc, const char * argv[]) {
+    return NSApplicationMain(argc, argv);
+}

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EZAudioExamples/OSX/EZAudioCoreGraphicsWaveformExample/EZAudioCoreGraphicsWaveformExample.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -1,7 +0,0 @@
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-<Workspace
-   version = "1.0">
-   <FileRef
-      location = "self:EZAudioCoreGraphicsWaveformExample.xcodeproj">
-   </FileRef>
-</Workspace>

EZAudioExamples/OSX/EZAudioCoreGraphicsWaveformExample/EZAudioCoreGraphicsWaveformExample/AppDelegate.h

@@ -1,39 +0,0 @@
-//
-//  AppDelegate.h
-//  EZAudioCoreGraphicsWaveformExample
-//
-//  Created by Syed Haris Ali on 12/1/13.
-//  Copyright (c) 2013 Syed Haris Ali. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import <Cocoa/Cocoa.h>
-
-#import "CoreGraphicsWaveformViewController.h"
-
-@interface AppDelegate : NSObject <NSApplicationDelegate>
-
-@property (assign) IBOutlet NSWindow *window;
-
-/**
- Create our CoreGraphicsWaveformViewController
- */
-@property (nonatomic,strong) CoreGraphicsWaveformViewController *coreGraphicsWaveformViewController;
-
-@end

EZAudioExamples/OSX/EZAudioCoreGraphicsWaveformExample/EZAudioCoreGraphicsWaveformExample/AppDelegate.m

@@ -1,43 +0,0 @@
-//
-//  AppDelegate.m
-//  EZAudioCoreGraphicsWaveformExample
-//
-//  Created by Syed Haris Ali on 12/1/13.
-//  Copyright (c) 2013 Syed Haris Ali. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import "AppDelegate.h"
-
-@implementation AppDelegate
-@synthesize coreGraphicsWaveformViewController;
-
-- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
-{
-  // Swap in our view controller in the window's content view
-  self.coreGraphicsWaveformViewController = [[CoreGraphicsWaveformViewController alloc] initWithNibName:NSStringFromClass(CoreGraphicsWaveformViewController.class) bundle:nil];
-  // Resize view controller to content view's current size
-  self.coreGraphicsWaveformViewController.view.frame = [self.window.contentView frame];
-  // Add resizing flags to make the view controller resize with the window
-  self.coreGraphicsWaveformViewController.view.autoresizingMask = (NSViewWidthSizable|NSViewHeightSizable);
-  // Add in the core graphics view controller as subview
-  [self.window.contentView addSubview:self.coreGraphicsWaveformViewController.view];
-}
-
-@end

EZAudioExamples/OSX/EZAudioCoreGraphicsWaveformExample/EZAudioCoreGraphicsWaveformExample/Base.lproj/CoreGraphicsWaveformViewController.h

@@ -1,36 +0,0 @@
-//
-//  CoreGraphicsWaveformViewController.h
-//  EZAudioCoreGraphicsWaveformExample
-//
-//  Created by Syed Haris Ali on 12/13/13.
-//  Copyright (c) 2013 Syed Haris Ali. All rights reserved.
-//
-
-#import <Cocoa/Cocoa.h>
-
-// Import EZAudio header
-#import "EZAudio.h"
-
-/**
- We will allow this view controller to act as an EZMicrophoneDelegate. This is how we listen for the microphone callback.
- */
-@interface CoreGraphicsWaveformViewController : NSViewController <EZMicrophoneDelegate>
-
-#pragma mark - Components
-/**
- The CoreGraphics based audio plot
- */
-@property (nonatomic,weak) IBOutlet EZAudioPlot *audioPlot;
-
-/**
- The microphone component
- */
-@property (nonatomic,strong) EZMicrophone *microphone;
-
-#pragma mark - Actions
-/**
- Toggles the microphone on and off. When the microphone is on it will send its delegate (aka this view controller) the audio data in various ways (check out the EZMicrophoneDelegate documentation for more details);
- */
--(IBAction)toggleMicrophone:(id)sender;
-
-@end

EZAudioExamples/OSX/EZAudioCoreGraphicsWaveformExample/EZAudioCoreGraphicsWaveformExample/Base.lproj/CoreGraphicsWaveformViewController.m

@@ -1,53 +0,0 @@
-//
-//  CoreGraphicsWaveformViewController.m
-//  EZAudioCoreGraphicsWaveformExample
-//
-//  Created by Syed Haris Ali on 12/13/13.
-//  Copyright (c) 2013 Syed Haris Ali. All rights reserved.
-//
-
-#import "CoreGraphicsWaveformViewController.h"
-
-@interface CoreGraphicsWaveformViewController ()
-
-@end
-
-@implementation CoreGraphicsWaveformViewController
-
-#pragma mark - Initialization
--(id)init {
-  self = [super initWithNibName:NSStringFromClass(self.class) bundle:nibBundleOrNil];
-  if(self){
-    [self initializeViewController];
-  }
-  return self;
-}
-
--(id)initWithCoder:(NSCoder *)aDecoder {
-  self = [super initWithNibName:NSStringFromClass(self.class) bundle:nibBundleOrNil];
-  if(self){
-    [self initializeViewController];
-  }
-  return self;
-}
-
--(id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
-  self = [super initWithNibName:NSStringFromClass(self.class) bundle:nibBundleOrNil];
-  if(self){
-    [self initializeViewController];
-  }
-  return self;
-}
-
-#pragma mark - Initialize View Controller
--(void)initializeViewController {
-  // Create an instance of the microphone
-  self.microphone = [EZMicrophone microphoneWithDelegate:self];
-}
-
-#pragma mark - Actions
-
-
-#pragma mark - EZMicrophoneDelegate
-
-@end

EZAudioExamples/OSX/EZAudioCoreGraphicsWaveformExample/EZAudioCoreGraphicsWaveformExample/Base.lproj/CoreGraphicsWaveformViewController.xib

@@ -1,30 +0,0 @@
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-        </customObject>
-        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
-        <customObject id="-3" userLabel="Application"/>
-        <customView id="1">
-            <rect key="frame" x="0.0" y="0.0" width="480" height="272"/>
-            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
-            <subviews>
-                <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="BYN-Cr-ONS">
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-                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
-                    <buttonCell key="cell" type="push" title="Button" bezelStyle="rounded" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="kX8-uO-Adi">
-                        <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
-                        <font key="font" metaFont="system"/>
-                    </buttonCell>
-                </button>
-            </subviews>
-        </customView>
-    </objects>
-</document>

EZAudioExamples/OSX/EZAudioCoreGraphicsWaveformExample/EZAudioCoreGraphicsWaveformExample/CoreGraphicsWaveformViewController.xib

@@ -1,117 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="7702" systemVersion="14C109" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES">
-    <dependencies>
-        <deployment version="1070" identifier="macosx"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="7702"/>
-    </dependencies>
-    <objects>
-        <customObject id="-2" userLabel="File's Owner" customClass="CoreGraphicsWaveformViewController">
-            <connections>
-                <outlet property="audioPlot" destination="wpL-Ou-GSb" id="OME-Hf-I27"/>
-                <outlet property="microphoneInputChannelPopUpButton" destination="Yi6-fS-Cob" id="pLg-4c-klV"/>
-                <outlet property="microphoneInputPopUpButton" destination="SjR-qx-mWV" id="NuN-SS-ESg"/>
-                <outlet property="view" destination="wpL-Ou-GSb" id="oxJ-iT-SKO"/>
-            </connections>
-        </customObject>
-        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
-        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
-        <customView id="wpL-Ou-GSb" customClass="EZAudioPlot">
-            <rect key="frame" x="0.0" y="0.0" width="480" height="272"/>
-            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
-            <subviews>
-                <button translatesAutoresizingMaskIntoConstraints="NO" id="kAI-gs-c31">
-                    <rect key="frame" x="339" y="44" width="123" height="18"/>
-                    <constraints>
-                        <constraint firstAttribute="width" constant="119" id="FP4-Wg-HAb"/>
-                    </constraints>
-                    <buttonCell key="cell" type="check" title="Microphone On" bezelStyle="regularSquare" imagePosition="right" state="on" inset="2" id="Aml-Gg-JmL">
-                        <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
-                        <font key="font" metaFont="system"/>
-                    </buttonCell>
-                    <connections>
-                        <action selector="toggleMicrophone:" target="-2" id="sFe-vk-GLb"/>
-                    </connections>
-                </button>
-                <segmentedControl verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="HTa-6n-EPo">
-                    <rect key="frame" x="335" y="15" width="127" height="24"/>
-                    <segmentedCell key="cell" borderStyle="border" alignment="left" style="rounded" trackingMode="selectOne" id="bLT-tl-mJ6">
-                        <font key="font" metaFont="system"/>
-                        <segments>
-                            <segment label="Buffer" selected="YES"/>
-                            <segment label="Rolling" tag="1"/>
-                        </segments>
-                    </segmentedCell>
-                    <connections>
-                        <action selector="changePlotType:" target="-2" id="JTN-f7-xiC"/>
-                    </connections>
-                </segmentedControl>
-                <popUpButton verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="SjR-qx-mWV" userLabel="microphoneInputPopUpButton">
-                    <rect key="frame" x="18" y="14" width="180" height="26"/>
-                    <constraints>
-                        <constraint firstAttribute="width" constant="175" id="qhz-1c-cOR"/>
-                    </constraints>
-                    <popUpButtonCell key="cell" type="push" title="Item 1" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="4Kz-CU-9wA" id="Ifz-u8-4sz">
-                        <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
-                        <font key="font" metaFont="menu"/>
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