Dale Low
98 lines
3.0 KiB
Objective-C
98 lines
3.0 KiB
Objective-C
//
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// AudioSessionManager.h
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//
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// This module routes audio output depending on device availability using the
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// following priorities: bluetooth, wired headset, speaker.
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//
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// It also notifies interested listeners of audio change events (optional).
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//
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// Copyright 2011 Jawbone Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#import <Foundation/Foundation.h>
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#import <AVFoundation/AVFoundation.h>
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extern NSString *kAudioSessionManagerMode_Record;
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extern NSString *kAudioSessionManagerMode_Playback;
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extern NSString *kAudioSessionManagerDevice_Headset;
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extern NSString *kAudioSessionManagerDevice_Bluetooth;
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extern NSString *kAudioSessionManagerDevice_Phone;
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extern NSString *kAudioSessionManagerDevice_Speaker;
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@interface AudioSessionManager : NSObject
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/**
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The current audio route.
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Valid values at this time are:
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- kAudioSessionManagerDevice_Bluetooth
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- kAudioSessionManagerDevice_Headset
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- kAudioSessionManagerDevice_Phone
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- kAudioSessionManagerDevice_Speaker
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*/
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@property (nonatomic, assign) NSString *audioRoute;
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/**
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Returns YES if a wired headset is available.
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*/
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@property (nonatomic, readonly) BOOL headsetDeviceAvailable;
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/**
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Returns YES if a bluetooth device is available.
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*/
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@property (nonatomic, readonly) BOOL bluetoothDeviceAvailable;
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/**
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Returns YES if the device's earpiece is available (always true for now).
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*/
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@property (nonatomic, readonly) BOOL phoneDeviceAvailable;
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/**
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Returns YES if the device's speakerphone is available (always true for now).
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*/
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@property (nonatomic, readonly) BOOL speakerDeviceAvailable;
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/**
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Returns a list of the available audio devices. Valid values at this time are:
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- kAudioSessionManagerDevice_Bluetooth
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- kAudioSessionManagerDevice_Headset
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- kAudioSessionManagerDevice_Phone
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- kAudioSessionManagerDevice_Speaker
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*/
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@property (nonatomic, readonly) NSArray *availableAudioDevices;
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/**
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Returns the AudioSessionManager singleton, creating it if it does not already exist.
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*/
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+ (AudioSessionManager *)sharedInstance;
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/**
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Switch between recording and playback modes. Returns NO if the mode change failed.
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@param value must be kAudioSessionManagerMode_Record or kAudioSessionManagerMode_Playback
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*/
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- (BOOL)changeMode:(NSString *)value;
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/**
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Initialize by detecting all available devices and selecting one based on the following priority:
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- bluetooth
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- headset
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- speaker
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*/
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- (void)start;
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@end
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