feature(Example): Update example project (#80)

* Adds initial new example project

* example project progress

* progress

* progress

* progress

* update comment on example project

* adds animations to eq view

* progress

* refactor

* progress

* Updates example, fixes noise output on mute

* Update swift.yml

* Update swift.yml

* fix tests

* Update README.md
This commit is contained in:
Dimitris C
2024-05-16 13:03:21 +03:00
committed by GitHub
parent 94bc48c7f1
commit fde33feeef
57 changed files with 2063 additions and 1978 deletions
+9 -27
View File
@@ -9,34 +9,16 @@ on:
branches:
- '*'
# jobs:
# iOS:
# name: Test iOS
# runs-on: macOS-latest
# env:
# DEVELOPER_DIR: /Applications/Xcode.app/Contents/Developer
# strategy:
# matrix:
# destination: ["OS=latest,name=iPhone 13 Pro"]
# steps:
# - uses: actions/checkout@v2
# - name: iOS - ${{ matrix.destination }}
# run: set -o pipefail && env NSUnbufferedIO=YES xcodebuild -project "AudioStreaming.xcodeproj" -scheme "AudioStreaming" -destination "${{ matrix.destination }}" clean test | xcpretty
jobs:
build:
name: Swift ${{ matrix.swift }} on ${{ matrix.os }}
iOS:
name: Test iOS
runs-on: macOS-latest
env:
DEVELOPER_DIR: /Applications/Xcode.app/Contents/Developer
strategy:
matrix:
os: [macos-latest]
swift: ["5.9"]
runs-on: ${{ matrix.os }}
destination: ["OS=latest,name=iPhone 15 Pro"]
steps:
- uses: swift-actions/setup-swift@65540b95f51493d65f5e59e97dcef9629ddf11bf
with:
swift-version: ${{ matrix.swift }}
- uses: actions/checkout@v4
- name: Build
run: swift build
- name: Run tests
run: swift test
- uses: actions/checkout@v2
- name: iOS - ${{ matrix.destination }}
run: set -o pipefail && env NSUnbufferedIO=YES xcodebuild -project "AudioStreaming.xcodeproj" -scheme "AudioStreaming" -destination "${{ matrix.destination }}" clean test | xcpretty
@@ -0,0 +1,22 @@
<?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>classNames</key>
<dict>
<key>AtomicTests</key>
<dict>
<key>testProtectedValuesAreAccessedSafely()</key>
<dict>
<key>com.apple.XCTPerformanceMetric_WallClockTime</key>
<dict>
<key>baselineAverage</key>
<real>0.029769</real>
<key>baselineIntegrationDisplayName</key>
<string>Local Baseline</string>
</dict>
</dict>
</dict>
</dict>
</dict>
</plist>
@@ -0,0 +1,40 @@
<?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>runDestinationsByUUID</key>
<dict>
<key>E340D9FA-D19A-49BB-82AA-9D0E236D4288</key>
<dict>
<key>localComputer</key>
<dict>
<key>busSpeedInMHz</key>
<integer>0</integer>
<key>cpuCount</key>
<integer>1</integer>
<key>cpuKind</key>
<string>Apple M1 Pro</string>
<key>cpuSpeedInMHz</key>
<integer>0</integer>
<key>logicalCPUCoresPerPackage</key>
<integer>10</integer>
<key>modelCode</key>
<string>MacBookPro18,1</string>
<key>physicalCPUCoresPerPackage</key>
<integer>10</integer>
<key>platformIdentifier</key>
<string>com.apple.platform.macosx</string>
</dict>
<key>targetArchitecture</key>
<string>arm64</string>
<key>targetDevice</key>
<dict>
<key>modelCode</key>
<string>iPhone16,1</string>
<key>platformIdentifier</key>
<string>com.apple.platform.iphonesimulator</string>
</dict>
</dict>
</dict>
</dict>
</plist>
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SDKROOT = iphoneos;
SWIFT_COMPILATION_MODE = wholemodule;
SWIFT_OPTIMIZATION_LEVEL = "-O";
VALIDATE_PRODUCT = YES;
};
name = Release;
};
B5AEDBE62475274D007D8101 /* Debug */ = {
isa = XCBuildConfiguration;
buildSettings = {
ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
CODE_SIGN_STYLE = Manual;
DEVELOPMENT_TEAM = "";
INFOPLIST_FILE = AudioExample/Info.plist;
IPHONEOS_DEPLOYMENT_TARGET = 13.0;
LD_RUNPATH_SEARCH_PATHS = (
"$(inherited)",
"@executable_path/Frameworks",
);
PRODUCT_BUNDLE_IDENTIFIER = com.decimal.AudioExample;
PRODUCT_NAME = "$(TARGET_NAME)";
PROVISIONING_PROFILE_SPECIFIER = "";
SWIFT_VERSION = 5.0;
TARGETED_DEVICE_FAMILY = "1,2";
};
name = Debug;
};
B5AEDBE72475274D007D8101 /* Release */ = {
isa = XCBuildConfiguration;
buildSettings = {
ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
CODE_SIGN_STYLE = Manual;
DEVELOPMENT_TEAM = "";
INFOPLIST_FILE = AudioExample/Info.plist;
IPHONEOS_DEPLOYMENT_TARGET = 13.0;
LD_RUNPATH_SEARCH_PATHS = (
"$(inherited)",
"@executable_path/Frameworks",
);
PRODUCT_BUNDLE_IDENTIFIER = com.decimal.AudioExample;
PRODUCT_NAME = "$(TARGET_NAME)";
PROVISIONING_PROFILE_SPECIFIER = "";
SWIFT_VERSION = 5.0;
TARGETED_DEVICE_FAMILY = "1,2";
};
name = Release;
};
/* End XCBuildConfiguration section */
/* Begin XCConfigurationList section */
B5AEDBCC2475274C007D8101 /* Build configuration list for PBXProject "AudioExample" */ = {
isa = XCConfigurationList;
buildConfigurations = (
B5AEDBE32475274D007D8101 /* Debug */,
B5AEDBE42475274D007D8101 /* Release */,
);
defaultConfigurationIsVisible = 0;
defaultConfigurationName = Release;
};
B5AEDBE52475274D007D8101 /* Build configuration list for PBXNativeTarget "AudioExample" */ = {
isa = XCConfigurationList;
buildConfigurations = (
B5AEDBE62475274D007D8101 /* Debug */,
B5AEDBE72475274D007D8101 /* Release */,
);
defaultConfigurationIsVisible = 0;
defaultConfigurationName = Release;
};
/* End XCConfigurationList section */
};
rootObject = B5AEDBC92475274C007D8101 /* Project object */;
}
@@ -1,22 +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>SchemeUserState</key>
<dict>
<key>AudioExample.xcscheme_^#shared#^_</key>
<dict>
<key>orderHint</key>
<integer>0</integer>
</dict>
</dict>
<key>SuppressBuildableAutocreation</key>
<dict>
<key>B5AEDBD02475274C007D8101</key>
<dict>
<key>primary</key>
<true/>
</dict>
</dict>
</dict>
</plist>
@@ -1,63 +0,0 @@
//
// AppCoordinator.swift
// AudioExample
//
// Created by Dimitrios Chatzieleftheriou on 14/11/2020.
// Copyright © 2020 Dimitrios Chatzieleftheriou. All rights reserved.
//
import AVFoundation
import UIKit
final class AppCoordinator {
enum Route {
case equalizer
}
private var navigationController: UINavigationController?
private let playerService: AudioPlayerService
private let equaliserService: EqualizerService
init() {
playerService = AudioPlayerService()
equaliserService = EqualizerService(playerService: playerService)
}
func start(window: UIWindow) {
window.rootViewController = buildMain()
window.makeKeyAndVisible()
}
private func buildMain() -> UINavigationController {
let playlistItemsService = PlaylistItemsService(initialItemsProvider: provideInitialPlaylistItems)
let viewModel = PlayerViewModel(playlistItemsService: playlistItemsService,
playerService: playerService,
routeTo: { [weak self] in self?.routeTo($0) })
let viewController = PlayerViewController(viewModel: viewModel,
controlsProvider: providePlayerControls)
let navigationController = UINavigationController(rootViewController: viewController)
self.navigationController = navigationController
return navigationController
}
private func routeTo(_ route: AppCoordinator.Route) {
switch route {
case .equalizer:
showEqualizerControls()
}
}
private func providePlayerControls() -> UIViewController {
let viewModel = PlayerControlsViewModel(playerService: playerService)
return PlayerControlsViewController(viewModel: viewModel)
}
private func showEqualizerControls() {
let viewModel = EqualzerViewModel(equalizerService: equaliserService)
let viewController = EqualizerViewController(viewModel: viewModel)
let navigationController = UINavigationController(rootViewController: viewController)
self.navigationController?.present(navigationController, animated: true, completion: nil)
}
}
@@ -1,25 +0,0 @@
//
// AppDelegate.swift
// AudioExample
//
// Created by Dimitrios Chatzieleftheriou on 20/05/2020.
// Copyright © 2020 Dimitrios Chatzieleftheriou. All rights reserved.
//
import UIKit
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
var window: UIWindow?
var appCoordinator: AppCoordinator?
func application(_: UIApplication, didFinishLaunchingWithOptions _: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
let window = UIWindow(frame: UIScreen.main.bounds)
let appCoordinator = AppCoordinator()
appCoordinator.start(window: window)
self.window = window
self.appCoordinator = appCoordinator
return true
}
}
@@ -1,155 +0,0 @@
//
// EqualizerViewController.swift
// AudioExample
//
// Created by Dimitrios Chatzieleftheriou on 15/11/2020.
// Copyright © 2020 Dimitrios Chatzieleftheriou. All rights reserved.
//
import UIKit
class EqualizerViewController: UIViewController {
private lazy var enableTextLabel = UILabel()
private lazy var enableButton = UISwitch()
private var eqSlider = [UISlider]()
private let viewModel: EqualzerViewModel
init(viewModel: EqualzerViewModel) {
self.viewModel = viewModel
super.init(nibName: nil, bundle: nil)
}
@available(*, unavailable)
required init?(coder _: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewDidLoad() {
super.viewDidLoad()
title = "Equaliser"
view.backgroundColor = .systemBackground
navigationItem.leftBarButtonItem = UIBarButtonItem(title: "Reset", style: .plain, target: self, action: #selector(resetEq))
enableTextLabel.translatesAutoresizingMaskIntoConstraints = false
enableTextLabel.text = "Enable"
enableButton.translatesAutoresizingMaskIntoConstraints = false
enableButton.isOn = viewModel.equaliserIsOn
enableButton.onTintColor = .systemTeal
enableButton.addTarget(self, action: #selector(enableEq), for: .valueChanged)
let enableStackView = UIStackView(arrangedSubviews: [enableTextLabel, enableButton])
enableStackView.translatesAutoresizingMaskIntoConstraints = false
enableStackView.axis = .horizontal
enableStackView.alignment = .center
enableStackView.spacing = 10
enableStackView.isLayoutMarginsRelativeArrangement = true
enableStackView.directionalLayoutMargins = .init(top: 10, leading: 10, bottom: 10, trailing: 10)
let equaliserControls = UIStackView(arrangedSubviews: buildSliders())
equaliserControls.translatesAutoresizingMaskIntoConstraints = false
equaliserControls.axis = .vertical
equaliserControls.alignment = .fill
equaliserControls.distribution = .fillEqually
let stackView = UIStackView(arrangedSubviews: [enableStackView, equaliserControls])
stackView.translatesAutoresizingMaskIntoConstraints = false
stackView.axis = .vertical
stackView.isLayoutMarginsRelativeArrangement = true
stackView.directionalLayoutMargins = .init(top: 10, leading: 10, bottom: 10, trailing: 10)
view.addSubview(stackView)
NSLayoutConstraint.activate(
[
enableStackView.heightAnchor.constraint(equalToConstant: 60),
stackView.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor),
stackView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
stackView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
stackView.heightAnchor.constraint(equalTo: view.safeAreaLayoutGuide.heightAnchor, multiplier: 0.8),
]
)
}
@objc func enableEq() {
viewModel.enableEq(enableButton.isOn)
}
@objc func resetEq() {
viewModel.resetEq { value in
eqSlider.forEach { $0.setValue(value, animated: true) }
}
}
private func buildSliders() -> [UIView] {
var sliders = [UIView]()
for index in 0 ..< viewModel.numberOfBands() {
guard let item = viewModel.band(at: index) else { continue }
let slider = buildSlider(item: item, index: index)
sliders.append(slider)
}
return sliders
}
@objc private func valueChanged(_ slider: UISlider) {
viewModel.update(gain: slider.value, for: slider.tag)
}
private func buildSlider(item: EQBand, index: Int) -> UIView {
let freqLabel = UILabel()
freqLabel.translatesAutoresizingMaskIntoConstraints = false
freqLabel.text = item.frequency
freqLabel.textAlignment = .right
freqLabel.widthAnchor.constraint(equalToConstant: 40).isActive = true
let slider = UISlider()
slider.translatesAutoresizingMaskIntoConstraints = false
slider.tag = index // cheating here
slider.minimumValue = item.min
slider.maximumValue = item.max
slider.value = item.value
slider.isContinuous = true
slider.addTarget(self, action: #selector(valueChanged(_:)), for: .valueChanged)
eqSlider.append(slider)
let minLabel = UILabel()
minLabel.translatesAutoresizingMaskIntoConstraints = false
minLabel.text = "\(item.min)db"
let centerLabel = UILabel()
centerLabel.translatesAutoresizingMaskIntoConstraints = false
centerLabel.text = "0db"
centerLabel.textAlignment = .center
let maxLabel = UILabel()
maxLabel.translatesAutoresizingMaskIntoConstraints = false
maxLabel.text = "\(item.max)db"
maxLabel.textAlignment = .right
let dbStackView = UIStackView(arrangedSubviews: [minLabel, centerLabel, maxLabel])
dbStackView.translatesAutoresizingMaskIntoConstraints = false
dbStackView.axis = .horizontal
dbStackView.distribution = .fillEqually
let stackViewSlider = UIStackView(arrangedSubviews: [slider, dbStackView])
stackViewSlider.spacing = 5
stackViewSlider.translatesAutoresizingMaskIntoConstraints = false
stackViewSlider.axis = .vertical
stackViewSlider.setContentHuggingPriority(.fittingSizeLevel, for: .horizontal)
stackViewSlider.setContentCompressionResistancePriority(.fittingSizeLevel, for: .horizontal)
let stackView = UIStackView(arrangedSubviews: [freqLabel, stackViewSlider])
stackView.spacing = 10
stackView.translatesAutoresizingMaskIntoConstraints = false
stackView.axis = .horizontal
stackView.distribution = .fillProportionally
stackView.alignment = .fill
stackView.isLayoutMarginsRelativeArrangement = true
stackView.directionalLayoutMargins = .init(top: 0, leading: 10, bottom: 0, trailing: 10)
return stackView
}
}
@@ -1,66 +0,0 @@
//
// EqualizerViewModel.swift
// AudioExample
//
// Created by Dimitrios Chatzieleftheriou on 15/11/2020.
// Copyright © 2020 Dimitrios Chatzieleftheriou. All rights reserved.
//
import AVFoundation
struct EQBand {
let frequency: String
let min: Float
let max: Float
let value: Float
}
final class EqualzerViewModel {
private var bands: [EQBand] = []
private let equalizerService: EqualizerService
var equaliserIsOn: Bool {
equalizerService.isActivated
}
init(equalizerService: EqualizerService) {
self.equalizerService = equalizerService
bands = equalizerService.bands.map { item in
var measurement = item.frequency
var frequency = String(Int(measurement))
if item.frequency >= 1000 {
measurement = item.frequency / 1000
frequency = "\(String(Int(measurement)))K"
}
return EQBand(frequency: frequency, min: -12, max: 12, value: item.gain)
}
}
func enableEq(_ enable: Bool) {
if enable {
equalizerService.activate()
} else {
equalizerService.deactivate()
}
}
func resetEq(updateSliders: (_ value: Float) -> Void) {
equalizerService.reset()
updateSliders(0)
}
func update(gain: Float, for index: Int) {
equalizerService.update(gain: gain, for: index)
}
func numberOfBands() -> Int {
equalizerService.bands.count
}
func band(at index: Int) -> EQBand? {
guard index < numberOfBands() else { return nil }
return bands[index]
}
}
@@ -1,213 +0,0 @@
//
// PlayerControlsViewController.swift
// AudioExample
//
// Created by Dimitrios Chatzieleftheriou on 14/11/2020.
// Copyright © 2020 Dimitrios Chatzieleftheriou. All rights reserved.
//
import UIKit
class PlayerControlsViewController: UIViewController {
private lazy var resumeButton = UIButton()
private lazy var stopButton = UIButton(type: .custom)
private lazy var muteButton = UIButton()
private lazy var slider = UISlider()
private lazy var elapsedPlayTimeLabel = UILabel()
private lazy var remainingPlayTimeLabel = UILabel()
private lazy var rateSlider = UISlider()
private lazy var rateSliderValueLabel = UILabel()
private lazy var playerStatus = UILabel()
private let viewModel: PlayerControlsViewModel
init(viewModel: PlayerControlsViewModel) {
self.viewModel = viewModel
super.init(nibName: nil, bundle: nil)
}
@available(*, unavailable)
required init?(coder _: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = .systemBackground
setupUI()
setupBinding()
}
private func setupUI() {
muteButton.translatesAutoresizingMaskIntoConstraints = false
muteButton.setTitle("Mute", for: .normal)
muteButton.setTitleColor(.label, for: .normal)
muteButton.setTitleColor(.secondaryLabel, for: .highlighted)
muteButton.setTitleColor(.tertiaryLabel, for: .disabled)
muteButton.accessibilityIdentifier = "muteButton"
muteButton.addTarget(self, action: #selector(toggleMute), for: .touchUpInside)
resumeButton.translatesAutoresizingMaskIntoConstraints = false
resumeButton.setTitle("Pause", for: .normal)
resumeButton.accessibilityIdentifier = "resumeButton"
resumeButton.setTitleColor(.label, for: .normal)
resumeButton.setTitleColor(.secondaryLabel, for: .highlighted)
resumeButton.setTitleColor(.tertiaryLabel, for: .disabled)
resumeButton.addTarget(self, action: #selector(pauseResume), for: .touchUpInside)
stopButton.translatesAutoresizingMaskIntoConstraints = false
stopButton.setTitle("Stop", for: .normal)
stopButton.setTitleColor(.label, for: .normal)
stopButton.setTitleColor(.secondaryLabel, for: .highlighted)
stopButton.setTitleColor(.tertiaryLabel, for: .disabled)
stopButton.accessibilityIdentifier = "stopButton"
stopButton.addTarget(self, action: #selector(stop), for: .touchUpInside)
let controlsStackView = UIStackView(arrangedSubviews: [resumeButton, stopButton, muteButton])
controlsStackView.translatesAutoresizingMaskIntoConstraints = false
controlsStackView.axis = .horizontal
controlsStackView.distribution = .fillEqually
controlsStackView.alignment = .center
controlsStackView.accessibilityIdentifier = "controlsStackView"
slider.translatesAutoresizingMaskIntoConstraints = false
slider.accessibilityIdentifier = "slider"
slider.tintColor = .systemGray2
slider.thumbTintColor = .systemGray
slider.isContinuous = true
slider.semanticContentAttribute = .playback
slider.addTarget(self, action: #selector(sliderTouchedDown), for: .touchDown)
slider.addTarget(self, action: #selector(sliderTouchedUp), for: [.touchUpInside, .touchUpOutside])
slider.addTarget(self, action: #selector(sliderValueChanged), for: .valueChanged)
elapsedPlayTimeLabel.text = "--:--"
elapsedPlayTimeLabel.accessibilityIdentifier = "elapsedPlayTimeLabel"
elapsedPlayTimeLabel.translatesAutoresizingMaskIntoConstraints = false
elapsedPlayTimeLabel.font = UIFont.preferredFont(forTextStyle: .footnote)
elapsedPlayTimeLabel.textAlignment = .left
remainingPlayTimeLabel.text = "--:--"
remainingPlayTimeLabel.accessibilityIdentifier = "remainingPlayTimeLabel"
remainingPlayTimeLabel.translatesAutoresizingMaskIntoConstraints = false
remainingPlayTimeLabel.font = UIFont.preferredFont(forTextStyle: .footnote)
remainingPlayTimeLabel.textAlignment = .right
let playbackTimeLabelsStack = UIStackView(arrangedSubviews: [elapsedPlayTimeLabel, remainingPlayTimeLabel])
playbackTimeLabelsStack.translatesAutoresizingMaskIntoConstraints = false
playbackTimeLabelsStack.axis = .horizontal
playbackTimeLabelsStack.distribution = .fillEqually
playbackTimeLabelsStack.accessibilityIdentifier = "playbackTimeLabelsStack"
playerStatus.text = ""
playerStatus.translatesAutoresizingMaskIntoConstraints = false
playerStatus.numberOfLines = 0
playerStatus.accessibilityIdentifier = "playerStatus-label"
let sliderLabel = UILabel()
sliderLabel.translatesAutoresizingMaskIntoConstraints = false
sliderLabel.text = "Rate: "
rateSliderValueLabel.translatesAutoresizingMaskIntoConstraints = false
rateSliderValueLabel.text = viewModel.currentRateTitle
rateSlider.translatesAutoresizingMaskIntoConstraints = false
rateSlider.minimumValue = viewModel.rateMinValue
rateSlider.maximumValue = viewModel.rateMaxValue
rateSlider.value = viewModel.rateMinValue
rateSlider.addTarget(self, action: #selector(rateValueChanged), for: .valueChanged)
let sliderWarningLabel = UILabel()
sliderWarningLabel.translatesAutoresizingMaskIntoConstraints = false
sliderWarningLabel.text = "Adjusting rate in live broadcast is not recommended"
sliderWarningLabel.numberOfLines = 2
sliderWarningLabel.textColor = .systemRed
let rateSliderStackView = UIStackView(arrangedSubviews: [sliderLabel, rateSlider, rateSliderValueLabel])
rateSliderStackView.spacing = 10
rateSliderStackView.axis = .horizontal
let controlsAndSliderStack = UIStackView(arrangedSubviews: [controlsStackView,
slider,
playbackTimeLabelsStack,
playerStatus,
rateSliderStackView,
sliderWarningLabel])
controlsAndSliderStack.translatesAutoresizingMaskIntoConstraints = false
controlsAndSliderStack.spacing = 10
controlsAndSliderStack.setCustomSpacing(15, after: playbackTimeLabelsStack)
controlsAndSliderStack.axis = .vertical
controlsAndSliderStack.distribution = .fill
controlsAndSliderStack.alignment = .fill
controlsAndSliderStack.isLayoutMarginsRelativeArrangement = true
controlsAndSliderStack.layoutMargins = .init(top: 15, left: 10, bottom: 0, right: 10)
controlsAndSliderStack.accessibilityIdentifier = "controlsAndSliderStack"
view.addSubview(controlsAndSliderStack)
view.accessibilityIdentifier = "controller-view"
NSLayoutConstraint.activate([
controlsAndSliderStack.topAnchor.constraint(equalTo: view.topAnchor),
controlsAndSliderStack.leadingAnchor.constraint(equalTo: view.leadingAnchor),
controlsAndSliderStack.trailingAnchor.constraint(equalTo: view.trailingAnchor),
])
}
private func setupBinding() {
viewModel.updateContent = { [unowned self] effect in
switch effect {
case let .updateMuteButton(title):
self.muteButton.setTitle(title, for: .normal)
case let .updatePauseResumeButton(title):
self.resumeButton.setTitle(title, for: .normal)
case let .updateSliderMinMaxValue(min, max):
self.slider.minimumValue = min
self.slider.maximumValue = max
case let .updateSliderValue(value):
self.slider.value = value
case let .updateMetadata(title):
self.playerStatus.text = title
}
}
viewModel.updateProgressAndDurationTitles = { [elapsedPlayTimeLabel, remainingPlayTimeLabel] progress, duration in
elapsedPlayTimeLabel.text = progress
remainingPlayTimeLabel.text = duration
}
}
@objc private func rateValueChanged() {
viewModel.update(rate: rateSlider.value) { [rateSlider] value in
rateSlider.value = value
}
rateSliderValueLabel.text = viewModel.currentRateTitle
}
@objc private func toggleMute() {
viewModel.toggleMute()
}
@objc private func pauseResume() {
viewModel.togglePauseResume()
}
@objc private func stop() {
viewModel.stop()
}
@objc
func sliderTouchedDown() {
viewModel.seek(action: .started)
}
@objc
func sliderTouchedUp() {
viewModel.seek(action: .ended)
}
@objc
func sliderValueChanged() {
viewModel.seek(action: .updateSeek(time: slider.value))
}
}
@@ -1,166 +0,0 @@
//
// PlayerControlsViewModel.swift
// AudioExample
//
// Created by Dimitrios Chatzieleftheriou on 14/11/2020.
// Copyright © 2020 Dimitrios Chatzieleftheriou. All rights reserved.
//
import AudioStreaming
import Foundation
import UIKit
enum SeekAction: Equatable {
case started
case updateSeek(time: Float)
case ended
}
enum ControlsEffects {
case updateMuteButton(String)
case updatePauseResumeButton(String)
case updateSliderMinMaxValue(min: Float, max: Float)
case updateSliderValue(value: Float)
case updateMetadata(String)
}
final class PlayerControlsViewModel {
var updateContent: ((ControlsEffects) -> Void)?
var updateProgressAndDurationTitles: ((String, String) -> Void)?
private let playerService: AudioPlayerService
private var displayLink: CADisplayLink?
private var seekTime: Float = 0
private var isScrubbing: Bool = false
let rateMinValue: Float = 1.0
let rateMaxValue: Float = 3.0
var currentRateTitle: String {
String(format: "%.1fx", playerService.rate)
}
init(playerService: AudioPlayerService) {
self.playerService = playerService
self.playerService.delegate.add(delegate: self)
}
func stop() {
playerService.stop()
stopDisplayLink(resetLabels: true)
updateContent?(.updatePauseResumeButton("Pause"))
}
func togglePauseResume() {
playerService.toggle()
let isPaused = playerService.state == .paused
updateContent?(.updatePauseResumeButton(isPaused ? "Resume" : "Pause"))
}
func toggleMute() {
playerService.toggleMute()
let isMuted = playerService.isMuted
updateContent?(.updateMuteButton(isMuted ? "Unmute" : "Mute"))
}
func seek(action: SeekAction) {
switch action {
case .started:
isScrubbing = true
seekTime = 0
case let .updateSeek(time):
seekTime = time
case .ended:
isScrubbing = false
if playerService.duration > 0 {
playerService.seek(at: seekTime)
}
}
}
func update(rate: Float, updater: (Float) -> Void) {
let rate = round(rate / 0.5) * 0.5
playerService.update(rate: rate)
updater(rate)
}
private func startDisplayLink() {
displayLink?.invalidate()
displayLink = nil
displayLink = UIScreen.main.displayLink(withTarget: self, selector: #selector(tick))
displayLink?.preferredFramesPerSecond = 6
displayLink?.add(to: .current, forMode: .common)
}
private func stopDisplayLink(resetLabels: Bool) {
displayLink?.invalidate()
displayLink = nil
if resetLabels {
resetLabelsAndSlider()
}
}
@objc private func tick() {
let duration = playerService.duration
let progress = playerService.progress
if duration > 0 {
let elapsed = Int(progress)
let remaining = Int(duration - progress)
updateContent?(.updateSliderMinMaxValue(min: 0.0, max: Float(duration)))
if !isScrubbing {
updateContent?(.updateSliderValue(value: Float(progress)))
}
updateProgressAndDurationTitles?(timeFrom(seconds: elapsed), timeFrom(seconds: remaining))
} else {
let elapsed = Int(progress)
updateProgressAndDurationTitles?("Live broadcast", timeFrom(seconds: elapsed))
}
}
private func resetLabelsAndSlider() {
updateProgressAndDurationTitles?("--:--", "--:--")
updateContent?(.updateSliderMinMaxValue(min: 0, max: 0))
updateContent?(.updateSliderValue(value: 0))
}
private func timeFrom(seconds: Int) -> String {
let correctSeconds = seconds % 60
let minutes = (seconds / 60) % 60
let hours = seconds / 3600
if hours > 0 {
return String(format: "%02d:%02d:%02d", hours, minutes, correctSeconds)
}
return String(format: "%02d:%02d", minutes, correctSeconds)
}
}
extension PlayerControlsViewModel: AudioPlayerServiceDelegate {
func didStopPlaying() {
stopDisplayLink(resetLabels: true)
updateContent?(.updateMetadata(""))
}
func statusChanged(status _: AudioPlayerState) {}
func didStartPlaying() {
startDisplayLink()
resetLabelsAndSlider()
updateContent?(.updateMetadata(""))
}
func errorOccurred(error _: AudioPlayerError) {}
func metadataReceived(metadata: [String: String]) {
guard !metadata.isEmpty else { return }
if let title = metadata["StreamTitle"] {
updateContent?(.updateMetadata("Now Playing: \(title)"))
} else {
updateContent?(.updateMetadata(""))
}
}
}
@@ -1,167 +0,0 @@
//
// PlayerViewController.swift
// AudioExample
//
// Created by Dimitrios Chatzieleftheriou on 14/11/2020.
// Copyright © 2020 Dimitrios Chatzieleftheriou. All rights reserved.
//
import UIKit
class PlayerViewController: UIViewController {
private lazy var tableView = UITableView()
private let viewModel: PlayerViewModel
private var controlsProvider: () -> UIViewController
private var playerControlsController: UIViewController?
init(viewModel: PlayerViewModel, controlsProvider: @escaping () -> UIViewController) {
self.viewModel = viewModel
self.controlsProvider = controlsProvider
super.init(nibName: nil, bundle: nil)
}
@available(*, unavailable)
required init?(coder _: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewDidLoad() {
super.viewDidLoad()
setupUI()
viewModel.reloadContent = { [weak self] action in
switch action {
case .all:
self?.tableView.reloadData()
case let .item(indexPath):
self?.tableView.reloadRows(at: [indexPath], with: .automatic)
}
}
}
private func setupUI() {
title = "Player"
view.backgroundColor = .systemBackground
navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .add,
target: self,
action: #selector(addNowPlaylistItem))
navigationItem.leftBarButtonItem = UIBarButtonItem(image: UIImage(systemName: "slider.horizontal.3"),
style: .plain,
target: self,
action: #selector(showEqualizer))
tableView.translatesAutoresizingMaskIntoConstraints = false
tableView.delegate = self
tableView.dataSource = self
tableView.register(PlaylistTableViewCell.self, forCellReuseIdentifier: "PlaylistCell")
let controlsController = controlsProvider()
playerControlsController = controlsController
let stackView = UIStackView()
stackView.axis = .vertical
stackView.alignment = .fill
stackView.distribution = .fillProportionally
stackView.translatesAutoresizingMaskIntoConstraints = false
stackView.addArrangedSubview(tableView)
addChild(controlsController)
controlsController.view.translatesAutoresizingMaskIntoConstraints = false
stackView.addArrangedSubview(controlsController.view)
controlsController.didMove(toParent: self)
view.addSubview(stackView)
NSLayoutConstraint.activate(
[
controlsController.view.widthAnchor.constraint(equalTo: view.widthAnchor),
stackView.topAnchor.constraint(equalTo: view.topAnchor),
stackView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
stackView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
stackView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
]
)
}
@objc private func showEqualizer() {
viewModel.showEqualizer()
}
@objc private func addNowPlaylistItem() {
let controller = UIAlertController(title: "Add new item", message: "", preferredStyle: .alert)
controller.addTextField { textField in
textField.placeholder = "Insert url here"
}
let saveAction = UIAlertAction(title: "Save", style: .default) { [viewModel] _ in
if let textfield = controller.textFields?.first,
let text = textfield.text
{
viewModel.add(urlString: text)
}
}
let cancelAction = UIAlertAction(title: "Cancel", style: .cancel, handler: nil)
controller.addAction(saveAction)
controller.addAction(cancelAction)
present(controller, animated: true, completion: nil)
}
}
extension PlayerViewController: UITableViewDataSource {
func tableView(_: UITableView, numberOfRowsInSection _: Int) -> Int {
viewModel.itemsCount
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "PlaylistCell", for: indexPath)
guard let item = viewModel.item(at: indexPath) else {
return cell
}
cell.textLabel?.text = item.name
let queuedItem = item.queues ? "Queue item" : nil
cell.detailTextLabel?.text = queuedItem ?? item.subtitle
update(status: item.status, of: cell)
return cell
}
private func update(status: PlaylistItem.Status, of cell: UITableViewCell) {
switch status {
case .buffering:
let activity = UIActivityIndicatorView(style: .medium)
activity.startAnimating()
cell.accessoryView = activity
case .playing:
cell.accessoryView = UIImageView(image: UIImage(systemName: "play.fill"))
case .paused:
cell.accessoryView = UIImageView(image: UIImage(systemName: "pause.fill"))
case .stopped:
cell.accessoryView = nil
case .error:
cell.accessoryView = UIImageView(image: UIImage(systemName: "exclamationmark.octagon"))
cell.accessoryView?.tintColor = .red
}
guard status != .error else { return }
cell.accessoryView?.tintColor = .systemTeal
}
}
extension PlayerViewController: UITableViewDelegate {
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
tableView.deselectRow(at: indexPath, animated: true)
viewModel.playItem(at: indexPath)
}
}
final class PlaylistTableViewCell: UITableViewCell {
override init(style _: UITableViewCell.CellStyle, reuseIdentifier: String?) {
super.init(style: .subtitle, reuseIdentifier: reuseIdentifier)
}
@available(*, unavailable)
required init?(coder _: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
@@ -1,112 +0,0 @@
//
// PlayerViewModel.swift
// AudioExample
//
// Created by Dimitrios Chatzieleftheriou on 14/11/2020.
// Copyright © 2020 Dimitrios Chatzieleftheriou. All rights reserved.
//
import AudioStreaming
import Foundation
enum ReloadAction {
case all
case item(IndexPath)
}
final class PlayerViewModel {
private let playerService: AudioPlayerService
private let playlistItemsService: PlaylistItemsService
private let routeTo: (AppCoordinator.Route) -> Void
private var currentPlayingItemIndex: Int?
var reloadContent: ((ReloadAction) -> Void)?
init(playlistItemsService: PlaylistItemsService,
playerService: AudioPlayerService,
routeTo: @escaping (AppCoordinator.Route) -> Void)
{
self.playlistItemsService = playlistItemsService
self.playerService = playerService
self.routeTo = routeTo
self.playerService.delegate.add(delegate: self)
}
func showEqualizer() {
routeTo(.equalizer)
}
var itemsCount: Int {
playlistItemsService.itemsCount
}
func add(urlString: String) {
let detector = try! NSDataDetector(types: NSTextCheckingResult.CheckingType.link.rawValue)
let result = detector.firstMatch(in: urlString, options: [], range: NSRange(location: 0, length: urlString.utf16.count))
guard let url = URL(string: urlString), result != nil else {
print("malformed url error")
return
}
playlistItemsService.add(item: PlaylistItem(url: url, name: urlString, subtitle: nil, status: .stopped, queues: false))
reloadContent?(.all)
}
func item(at indexPath: IndexPath) -> PlaylistItem? {
playlistItemsService.item(at: indexPath.row)
}
func playItem(at indexPath: IndexPath) {
guard let item = item(at: indexPath) else { return }
if item.queues {
playerService.queue(url: item.url)
if currentPlayingItemIndex == nil {
currentPlayingItemIndex = indexPath.row
}
} else {
if let index = currentPlayingItemIndex {
playlistItemsService.setStatus(for: index, status: .stopped)
reloadContent?(.item(IndexPath(row: index, section: 0)))
currentPlayingItemIndex = nil
}
playerService.play(url: item.url)
currentPlayingItemIndex = indexPath.row
}
}
}
extension PlayerViewModel: AudioPlayerServiceDelegate {
func statusChanged(status: AudioPlayerState) {
guard let item = currentPlayingItemIndex else { return }
switch status {
case .bufferring:
playlistItemsService.setStatus(for: item, status: .buffering)
reloadContent?(.item(IndexPath(item: item, section: 0)))
case .playing:
playlistItemsService.setStatus(for: item, status: .playing)
reloadContent?(.item(IndexPath(item: item, section: 0)))
case .paused:
playlistItemsService.setStatus(for: item, status: .paused)
reloadContent?(.item(IndexPath(item: item, section: 0)))
case .stopped:
playlistItemsService.setStatus(for: item, status: .stopped)
reloadContent?(.item(IndexPath(item: item, section: 0)))
case .error:
playlistItemsService.setStatus(for: item, status: .error)
reloadContent?(.item(IndexPath(item: item, section: 0)))
default:
playlistItemsService.setStatus(for: item, status: .stopped)
reloadContent?(.all)
}
}
func errorOccurred(error _: AudioPlayerError) {
currentPlayingItemIndex = nil
}
func metadataReceived(metadata _: [String: String]) {}
func didStopPlaying() {}
func didStartPlaying() {}
}
-52
View File
@@ -1,52 +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>$(DEVELOPMENT_LANGUAGE)</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIdentifier</key>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string>
<key>CFBundlePackageType</key>
<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
<key>CFBundleShortVersionString</key>
<string>1.0</string>
<key>CFBundleVersion</key>
<string>1</string>
<key>LSRequiresIPhoneOS</key>
<true/>
<key>NSAppTransportSecurity</key>
<dict>
<key>NSAllowsArbitraryLoads</key>
<true/>
</dict>
<key>UIBackgroundModes</key>
<array>
<string>audio</string>
</array>
<key>UILaunchStoryboardName</key>
<string>LaunchScreen</string>
<key>UIRequiredDeviceCapabilities</key>
<array>
<string>armv7</string>
</array>
<key>UIRequiresFullScreen</key>
<true/>
<key>UISupportedInterfaceOrientations</key>
<array>
<string>UIInterfaceOrientationPortrait</string>
</array>
<key>UISupportedInterfaceOrientations~ipad</key>
<array>
<string>UIInterfaceOrientationPortrait</string>
<string>UIInterfaceOrientationPortraitUpsideDown</string>
<string>UIInterfaceOrientationLandscapeLeft</string>
<string>UIInterfaceOrientationLandscapeRight</string>
</array>
</dict>
</plist>
Binary file not shown.
@@ -1,98 +0,0 @@
{
"images" : [
{
"idiom" : "iphone",
"scale" : "2x",
"size" : "20x20"
},
{
"idiom" : "iphone",
"scale" : "3x",
"size" : "20x20"
},
{
"idiom" : "iphone",
"scale" : "2x",
"size" : "29x29"
},
{
"idiom" : "iphone",
"scale" : "3x",
"size" : "29x29"
},
{
"idiom" : "iphone",
"scale" : "2x",
"size" : "40x40"
},
{
"idiom" : "iphone",
"scale" : "3x",
"size" : "40x40"
},
{
"idiom" : "iphone",
"scale" : "2x",
"size" : "60x60"
},
{
"idiom" : "iphone",
"scale" : "3x",
"size" : "60x60"
},
{
"idiom" : "ipad",
"scale" : "1x",
"size" : "20x20"
},
{
"idiom" : "ipad",
"scale" : "2x",
"size" : "20x20"
},
{
"idiom" : "ipad",
"scale" : "1x",
"size" : "29x29"
},
{
"idiom" : "ipad",
"scale" : "2x",
"size" : "29x29"
},
{
"idiom" : "ipad",
"scale" : "1x",
"size" : "40x40"
},
{
"idiom" : "ipad",
"scale" : "2x",
"size" : "40x40"
},
{
"idiom" : "ipad",
"scale" : "1x",
"size" : "76x76"
},
{
"idiom" : "ipad",
"scale" : "2x",
"size" : "76x76"
},
{
"idiom" : "ipad",
"scale" : "2x",
"size" : "83.5x83.5"
},
{
"idiom" : "ios-marketing",
"scale" : "1x",
"size" : "1024x1024"
}
],
"info" : {
"author" : "xcode",
"version" : 1
}
}
@@ -1,25 +0,0 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
<dependencies>
<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
<capability name="Safe area layout guides" minToolsVersion="9.0"/>
<capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
</dependencies>
<scenes>
<!--View Controller-->
<scene sceneID="EHf-IW-A2E">
<objects>
<viewController id="01J-lp-oVM" sceneMemberID="viewController">
<view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
<rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
<color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
<viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
</view>
</viewController>
<placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
</objects>
<point key="canvasLocation" x="53" y="375"/>
</scene>
</scenes>
</document>
@@ -1,31 +0,0 @@
//
// MulticastDelegate.swift
// AudioExample
//
// Created by Dimitrios Chatzieleftheriou on 14/11/2020.
// Copyright © 2020 Dimitrios Chatzieleftheriou. All rights reserved.
//
import Foundation
class MulticastDelegate<Delegate> {
private let delegates = NSHashTable<AnyObject>.weakObjects()
func add(delegate: Delegate) {
delegates.add(delegate as AnyObject)
}
func remove(delegate: Delegate) {
for oneDelegate in delegates.allObjects.reversed() {
if oneDelegate === delegate as AnyObject {
delegates.remove(oneDelegate)
}
}
}
func invoke(invocation: (Delegate) -> Void) {
for delegate in delegates.allObjects.reversed() {
invocation(delegate as! Delegate)
}
}
}
@@ -1,36 +0,0 @@
//
// NowPlayingCenter.swift
// AudioExample
//
// Created by Dimitrios Chatzieleftheriou on 15/11/2020.
// Copyright © 2020 Dimitrios Chatzieleftheriou. All rights reserved.
//
import MediaPlayer
final class NowPlayingCenter {
private let infoCenter: MPNowPlayingInfoCenter
init(infoCenter: MPNowPlayingInfoCenter = .default()) {
self.infoCenter = infoCenter
}
func change(item: PlaylistItem, isLiveStream: Bool) {
var nowPlayingInfo = infoCenter.nowPlayingInfo ?? [String: Any]()
nowPlayingInfo[MPNowPlayingInfoPropertyMediaType] = MPNowPlayingInfoMediaType.audio.rawValue
nowPlayingInfo[MPNowPlayingInfoPropertyIsLiveStream] = isLiveStream
nowPlayingInfo[MPMediaItemPropertyArtist] = item.name
infoCenter.nowPlayingInfo = nowPlayingInfo
}
func update(with metadata: [String: String], with item: PlaylistItem) {
var nowPlayingInfo = infoCenter.nowPlayingInfo ?? [String: Any]()
nowPlayingInfo[MPMediaItemPropertyTitle] = metadata["StreamTitle"]
nowPlayingInfo[MPMediaItemPropertyArtist] = item.name
infoCenter.nowPlayingInfo = nowPlayingInfo
}
}
@@ -1,96 +0,0 @@
//
// PlaylistItemsService.swift
// AudioExample
//
// Created by Dimitrios Chatzieleftheriou on 14/11/2020.
// Copyright © 2020 Dimitrios Chatzieleftheriou. All rights reserved.
//
import Foundation
struct PlaylistItem: Equatable {
enum Status: Equatable {
case playing
case paused
case buffering
case stopped
case error
}
let url: URL
let name: String
let subtitle: String?
let status: Status
let queues: Bool
init(content: AudioContent, queues: Bool) {
name = content.title
subtitle = content.subtitle
url = content.streamUrl
status = .stopped
self.queues = queues
}
init(url: URL, name: String, subtitle: String?, status: Status, queues: Bool) {
self.url = url
self.name = name
self.subtitle = subtitle
self.status = status
self.queues = queues
}
}
final class PlaylistItemsService {
private var items: [PlaylistItem] = []
var itemsCount: Int {
items.count
}
let protectedItemCount: Int
init(initialItemsProvider: () -> [PlaylistItem]) {
items = initialItemsProvider()
protectedItemCount = items.count
}
func item(at index: Int) -> PlaylistItem? {
guard index < items.count else { return nil }
return items[index]
}
func index(for item: PlaylistItem) -> Int? {
items.firstIndex(of: item)
}
func add(item: PlaylistItem) {
items.append(item)
}
func remove(item: PlaylistItem) {
if let index = items.firstIndex(of: item) {
items.remove(at: index)
}
}
func setStatus(for index: Int, status: PlaylistItem.Status) {
guard let item = item(at: index) else {
return
}
items[index] = PlaylistItem(
url: item.url,
name: item.name,
subtitle: item.subtitle,
status: status,
queues: item.queues
)
}
}
func provideInitialPlaylistItems() -> [PlaylistItem] {
let allCases = AudioContent.allCases
let casesForQueueing: [AudioContent] = [.piano, .local, .khruangbin]
let allItems = allCases.map { PlaylistItem(content: $0, queues: false) }
let casesForQueuingItems = casesForQueueing.map { PlaylistItem(content: $0, queues: true) }
return allItems + casesForQueuingItems
}
@@ -0,0 +1,503 @@
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INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
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buildConfigurations = (
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defaultConfigurationIsVisible = 0;
defaultConfigurationName = Release;
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9806E8222BC5D12700757370 /* Build configuration list for PBXNativeTarget "AudioPlayer" */ = {
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buildConfigurations = (
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}
@@ -1,10 +1,11 @@
<?xml version="1.0" encoding="UTF-8"?>
<Scheme
LastUpgradeVersion = "1200"
LastUpgradeVersion = "1530"
version = "1.7">
<BuildAction
parallelizeBuildables = "YES"
buildImplicitDependencies = "YES">
buildImplicitDependencies = "YES"
buildArchitectures = "Automatic">
<BuildActionEntries>
<BuildActionEntry
buildForTesting = "YES"
@@ -14,10 +15,10 @@
buildForAnalyzing = "YES">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "B5AEDBD02475274C007D8101"
BuildableName = "AudioExample.app"
BlueprintName = "AudioExample"
ReferencedContainer = "container:AudioExample.xcodeproj">
BlueprintIdentifier = "9806E8132BC5D12500757370"
BuildableName = "AudioPlayer.app"
BlueprintName = "AudioPlayer"
ReferencedContainer = "container:AudioPlayer.xcodeproj">
</BuildableReference>
</BuildActionEntry>
</BuildActionEntries>
@@ -27,64 +28,28 @@
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
shouldUseLaunchSchemeArgsEnv = "YES"
enableThreadSanitizer = "YES"
codeCoverageEnabled = "YES">
<TestPlans>
<TestPlanReference
reference = "container:../AudioStreamingTests/AudioExample.xctestplan"
default = "YES">
</TestPlanReference>
</TestPlans>
<Testables>
<TestableReference
skipped = "NO"
parallelizable = "YES"
testExecutionOrdering = "random">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "B5AEDBB624744153007D8101"
BuildableName = "AudioStreamingTests.xctest"
BlueprintName = "AudioStreamingTests"
ReferencedContainer = "container:../AudioStreaming.xcodeproj">
</BuildableReference>
<SkippedTests>
<Test
Identifier = "ProtectedTests">
</Test>
</SkippedTests>
</TestableReference>
</Testables>
shouldAutocreateTestPlan = "YES">
</TestAction>
<LaunchAction
buildConfiguration = "Debug"
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
enableASanStackUseAfterReturn = "YES"
disableMainThreadChecker = "YES"
launchStyle = "0"
useCustomWorkingDirectory = "NO"
ignoresPersistentStateOnLaunch = "NO"
debugDocumentVersioning = "YES"
debugServiceExtension = "internal"
enableGPUValidationMode = "1"
allowLocationSimulation = "YES">
<BuildableProductRunnable
runnableDebuggingMode = "0">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "B5AEDBD02475274C007D8101"
BuildableName = "AudioExample.app"
BlueprintName = "AudioExample"
ReferencedContainer = "container:AudioExample.xcodeproj">
BlueprintIdentifier = "9806E8132BC5D12500757370"
BuildableName = "AudioPlayer.app"
BlueprintName = "AudioPlayer"
ReferencedContainer = "container:AudioPlayer.xcodeproj">
</BuildableReference>
</BuildableProductRunnable>
<EnvironmentVariables>
<EnvironmentVariable
key = "OS_ACTIVITY_MODE"
value = "disable"
isEnabled = "NO">
</EnvironmentVariable>
</EnvironmentVariables>
</LaunchAction>
<ProfileAction
buildConfiguration = "Release"
@@ -96,10 +61,10 @@
runnableDebuggingMode = "0">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "B5AEDBD02475274C007D8101"
BuildableName = "AudioExample.app"
BlueprintName = "AudioExample"
ReferencedContainer = "container:AudioExample.xcodeproj">
BlueprintIdentifier = "9806E8132BC5D12500757370"
BuildableName = "AudioPlayer.app"
BlueprintName = "AudioPlayer"
ReferencedContainer = "container:AudioPlayer.xcodeproj">
</BuildableReference>
</BuildableProductRunnable>
</ProfileAction>
+55
View File
@@ -0,0 +1,55 @@
//
// Created by Dimitris C.
// Copyright © 2024 Decimal. All rights reserved.
//
import AudioStreaming
import SwiftUI
@main
struct AudioPlayerApp: App {
@State var model = AppModel()
var body: some Scene {
WindowGroup {
ContentView()
.environment(model)
}
}
}
@Observable
class AppModel {
@ObservationIgnored
let audioPlayerService: AudioPlayerService
@ObservationIgnored
let equalizerService: EqualizerService
init(
audioPlayerService: AudioPlayerService = provideAudioPlayerService(),
equalizerService: (AudioPlayerService) -> EqualizerService = provideEqualizerService
) {
self.audioPlayerService = audioPlayerService
self.equalizerService = equalizerService(audioPlayerService)
}
}
func provideEqualizerService(playerService: AudioPlayerService) -> EqualizerService {
EqualizerService(playerService: playerService)
}
func provideAudioPlayerService() -> AudioPlayerService {
AudioPlayerService(
audioPlayer: provideDefaultAudioPlayer()
)
}
func provideDefaultAudioPlayer() -> AudioPlayer {
AudioPlayer(
configuration: .init(
flushQueueOnSeek: false,
enableLogs: true
)
)
}
@@ -0,0 +1,11 @@
{
"colors" : [
{
"idiom" : "universal"
}
],
"info" : {
"author" : "xcode",
"version" : 1
}
}
@@ -0,0 +1,13 @@
{
"images" : [
{
"idiom" : "universal",
"platform" : "ios",
"size" : "1024x1024"
}
],
"info" : {
"author" : "xcode",
"version" : 1
}
}
@@ -0,0 +1,76 @@
//
// Created by Dimitris C.
// Copyright © 2024 Decimal. All rights reserved.
//
import SwiftUI
struct AddNewAudioURLView: View {
@Environment(\.dismiss) var dismiss
private let urlStyle = URL.FormatStyle(path: .omitWhen(.path, matches: ["/"]), query: .omitWhen(.query, matches: [""]))
@State private var audioUrl: URL?
var onAddNewUrl: (URL) -> Void
init(onAddNewUrl: @escaping (URL) -> Void) {
self.onAddNewUrl = onAddNewUrl
}
var body: some View {
NavigationStack {
VStack {
VStack(alignment: .leading) {
TextField(value: $audioUrl, format: urlStyle, prompt: nil, label: {
Text("Insert URL")
})
.keyboardType(.URL)
.autocorrectionDisabled()
.textFieldStyle(RoundedBorderTextFieldStyle())
.onSubmit {
if let url = audioUrl {
onAddNewUrl(url)
dismiss()
}
}
}
.padding(.horizontal, 16)
Button {
if let url = audioUrl {
onAddNewUrl(url)
dismiss()
}
} label: {
HStack {
Image(systemName: "plus")
Text("Add")
}
.foregroundStyle(Color.white)
}
.disabled(audioUrl == nil)
.opacity(audioUrl == nil ? 0.5 : 1.0)
.padding(.horizontal, 16)
.padding(.vertical, 8)
.background(.mint)
.clipShape(RoundedRectangle(cornerRadius: 16))
}
.navigationTitle("Add Audio URL")
.navigationBarTitleDisplayMode(.inline)
.toolbar {
ToolbarItem(placement: .topBarTrailing) {
Button {
dismiss()
} label: {
Image(systemName: "xmark.circle.fill")
.foregroundStyle(Color.gray)
}
}
}
}
}
}
#Preview {
AddNewAudioURLView(onAddNewUrl: { _ in })
}
@@ -1,18 +1,16 @@
//
// AudioContent.swift
// AudioExample
//
// Created by Dimitrios Chatzieleftheriou on 14/11/2020.
// Copyright © 2020 Dimitrios Chatzieleftheriou. All rights reserved.
// Created by Dimitris C.
// Copyright © 2024 Decimal. All rights reserved.
//
import Foundation
enum AudioContent: Int, CaseIterable {
enum AudioContent {
case offradio
case enlefko
case pepper966
case kosmos
case kosmosJazz
case radiox
case khruangbin
case piano
@@ -21,62 +19,71 @@ enum AudioContent: Int, CaseIterable {
case remoteWave
case local
case localWave
case custom(String)
var title: String {
switch self {
case .offradio:
return "Offradio (stream)"
return "Offradio"
case .enlefko:
return "Enlefko (stream)"
return "Enlefko"
case .pepper966:
return "Pepper 96.6 (stream)"
return "Pepper 96.6"
case .kosmos:
return "Kosmos 93.6 (stream)"
return "Kosmos 93.6"
case .kosmosJazz:
return "Kosmos Jazz"
case .radiox:
return "Radio X (stream)"
return "Radio X"
case .khruangbin:
return "Khruangbin (mp3 preview)"
return "Khruangbin"
case .piano:
return "Piano (mp3)"
return "Piano"
case .remoteWave:
return "Sample remote (wave)"
return "Sample remote"
case .local:
return "Jazzy Frenchy (local mp3)"
return "Jazzy Frenchy"
case .localWave:
return "Local file (local wave)"
return "Local file"
case .optimized:
return "Jazze French (m4a - optimized)"
return "Jazzy Frenchy"
case .nonOptimized:
return "Jazze French (m4a - non-optimized)"
return "Jazzy Frenchy"
case .custom(let url):
return url
}
}
var subtitle: String? {
switch self {
case .offradio:
return nil
return "Stream • offradio.gr"
case .enlefko:
return nil
return "Stream • enlefko.fm"
case .pepper966:
return nil
return "Stream • pepper966.gr"
case .kosmos:
return nil
return "Stream • ertecho.gr"
case .kosmosJazz:
return "Stream • ertecho.gr"
case .radiox:
return nil
return "Stream • globalplayer.com"
case .khruangbin:
return nil
return "Remote mp3"
case .piano:
return nil
return "Remote mp3"
case .remoteWave:
return nil
return "wave"
case .local:
return "Music by: bensound.com"
case .localWave:
return "Music by: bensound.com"
case .optimized:
return "Music by: bensound.com"
return "Music by: bensound.com - m4a optimized"
case .nonOptimized:
return "Music by: bensound.com"
return "Music by: bensound.com - m4a non-optimized"
case .custom:
return ""
}
}
@@ -90,6 +97,8 @@ enum AudioContent: Int, CaseIterable {
return URL(string: "https://n04.radiojar.com/pepper.m4a?1662039818=&rj-tok=AAABgvlUaioALhdOXDt0mgajoA&rj-ttl=5")!
case .kosmos:
return URL(string: "https://radiostreaming.ert.gr/ert-kosmos")!
case .kosmosJazz:
return URL(string: "https://radiostreaming.ert.gr/ert-webjazz")!
case .radiox:
return URL(string: "https://media-ssl.musicradio.com/RadioXLondon")!
case .khruangbin:
@@ -101,13 +110,15 @@ enum AudioContent: Int, CaseIterable {
case .nonOptimized:
return URL(string: "https://github.com/dimitris-c/sample-audio/raw/main/bensound-jazzyfrenchy.m4a")!
case .local:
let path = Bundle.main.path(forResource: "bensound-jazzyfrenchy", ofType: "m4a")!
let path = Bundle.main.path(forResource: "bensound-jazzyfrenchy", ofType: "mp3")!
return URL(fileURLWithPath: path)
case .localWave:
let path = Bundle.main.path(forResource: "hipjazz", ofType: "wav")!
return URL(fileURLWithPath: path)
case .remoteWave:
return URL(string: "https://file-examples.com/wp-content/storage/2017/11/file_example_WAV_5MG.wav")!
return URL(string: "https://github.com/dimitris-c/sample-audio/raw/main/5-MB-WAV.wav")!
case .custom(let url):
return URL(string: url)!
}
}
}
@@ -0,0 +1,118 @@
//
// Created by Dimitris C.
// Copyright © 2024 Decimal. All rights reserved.
//
import SwiftUI
enum AudioTrackStatus {
case playing
case paused
case buffering
case error
case idle
var isPlaying: Bool {
self == .playing || self == .paused
}
var isError: Bool {
self == .error
}
}
@Observable
public class AudioTrack: Identifiable, Equatable {
public static func == (lhs: AudioTrack, rhs: AudioTrack) -> Bool {
lhs.id == rhs.id
}
public var id: String {
url.absoluteString
}
let title: String
let subtitle: String?
let url: URL
var status: AudioTrackStatus
private let content: AudioContent
init(from content: AudioContent, status: AudioTrackStatus = .idle) {
self.title = content.title
self.subtitle = content.subtitle
self.status = status
self.url = content.streamUrl
self.content = content
}
}
struct AudioTrackView: View {
@Bindable var track: AudioTrack
private let action: () -> Void
init(track: AudioTrack, action: @escaping () -> Void = {}) {
self.track = track
self.action = action
}
var body: some View {
Button(action: action, label: {
HStack {
VStack(alignment: .leading) {
Text(track.title)
.font(.headline)
.fontWeight(.medium)
.foregroundStyle(.black)
.padding(.top, 8)
.padding(.bottom, track.subtitle == nil ? 8 : 0)
if let subtitle = track.subtitle {
Text(subtitle)
.font(.subheadline)
.fontWeight(.regular)
.foregroundStyle(Color.gray)
}
}
Spacer()
status
}
})
}
@ViewBuilder var status: some View {
if track.status == .error {
Image(systemName: "exclamationmark.circle")
.font(.headline)
.foregroundStyle(.red)
} else {
if track.status.isPlaying {
Image(systemName: track.status == .playing ? "play.fill" : "pause.fill")
.font(.headline)
.foregroundStyle(.mint)
} else if track.status == .buffering {
ProgressView()
.progressViewStyle(.circular)
}
}
}
}
#Preview {
List {
AudioTrackView(
track: AudioTrack(from: .enlefko)
)
AudioTrackView(
track: AudioTrack(from: .enlefko, status: .playing)
)
AudioTrackView(
track: AudioTrack(from: .enlefko, status: .paused)
)
AudioTrackView(
track: AudioTrack(from: .enlefko, status: .error)
)
}
}
@@ -0,0 +1,285 @@
//
// Created by Dimitris Chatzieleftheriou on 26/04/2024.
//
import SwiftUI
struct AudioPlayerControls: View {
@State var model: Model
@Binding var currentTrack: AudioTrack?
init(appModel: AppModel, currentTrack: Binding<AudioTrack?>) {
self._model = State(wrappedValue: Model(audioPlayerService: appModel.audioPlayerService))
self._currentTrack = currentTrack
}
var body: some View {
VStack(alignment: .leading) {
HStack {
Button(action: { model.playPause() }) {
Image(systemName: model.isPlaying ? "pause.fill" : "play.fill")
.font(.title)
.imageScale(.small)
}
.contentTransition(.symbolEffect(.replace))
Button(action: {
model.stop()
currentTrack = nil
}) {
Image(systemName: "stop.fill")
.font(.title)
.imageScale(.small)
}
.padding(.leading, 8)
Spacer()
Button(action: { model.mute() }) {
Image(systemName: model.isMuted ? "speaker.slash.fill" : "speaker.fill")
.font(.title)
.imageScale(.small)
}
.frame(width: 20, height: 20)
.contentTransition(.symbolEffect(.replace))
}
.tint(.mint)
.padding(16)
if let audioMetadata = model.liveAudioMetadata, model.isLiveAudioStreaming {
Text("Now Playing: \(audioMetadata)")
.font(.caption)
.foregroundStyle(.black)
.padding(.horizontal, 16)
}
Divider()
VStack {
Slider(
value: $model.currentTime,
in: 0...(model.totalTime ?? 1.0),
onEditingChanged: { scrubStarted in
if scrubStarted {
model.scrubState = .started
} else {
model.scrubState = .ended(model.currentTime)
}
}
)
.disabled(model.totalTime == nil)
HStack {
Text(model.formattedCurrentTime ?? "--:--")
Spacer()
Text(model.formattedTotalTime ?? "")
}
.foregroundStyle(.black)
.font(.caption)
.fontWeight(.medium)
}
.padding(.bottom, 8)
.padding(.horizontal, 16)
Divider()
VStack(alignment: .leading) {
Text("Playback Rate: \(String(format: "%0.1f", model.playbackRate))")
.font(.subheadline)
.fontWeight(.medium)
.foregroundStyle(.black)
Slider(value: $model.playbackRate, in: 1.0...4.0, step: 0.2)
.onChange(of: model.playbackRate) { _, new in
model.update(rate: Float(new))
}
}
.padding(.bottom, 8)
.padding(.horizontal, 16)
}
.onChange(of: currentTrack) { oldValue, newValue in
if let track = newValue {
model.play(track)
}
}
}
}
enum ScrubState: Equatable {
case idle
case started
case ended(Double)
}
extension AudioPlayerControls {
@Observable
final class Model {
@ObservationIgnored
private(set) var audioPlayerService: AudioPlayerService
@ObservationIgnored
private var displayLink: DisplayLink?
var isLiveAudioStreaming: Bool {
totalTime == 0
}
var liveAudioMetadata: String?
var isPlaying: Bool = false
var isMuted: Bool = false
var playbackRate: Double = 0.0
var currentTime: Double = 0
var totalTime: Double?
var scrubState: ScrubState = .idle
var formattedCurrentTime: String?
var formattedTotalTime: String?
var currentTrack: AudioTrack?
init(audioPlayerService: AudioPlayerService) {
self.audioPlayerService = audioPlayerService
registerObservations()
}
deinit {
displayLink?.deactivate()
displayLink = nil
}
func registerObservations() {
Task { @MainActor in
for await status in await audioPlayerService.statusChangedNotifier.values() {
isPlaying = status == .playing
displayLink?.isPaused = !isPlaying
switch status {
case .bufferring:
currentTrack?.status = .buffering
case .error:
currentTrack?.status = .error
currentTrack = nil
case .playing:
currentTrack?.status = .playing
case .paused:
currentTrack?.status = .paused
case .stopped:
currentTrack?.status = .idle
default:
currentTrack?.status = .idle
}
}
}
Task { @MainActor in
for await metadata in await audioPlayerService.metadataReceivedNotifier.values() {
guard !metadata.isEmpty else { break }
if let title = metadata["StreamTitle"] {
liveAudioMetadata = title.isEmpty ? "-" : title
} else {
liveAudioMetadata = nil
}
}
}
Task { @MainActor in
for await startStopped in await audioPlayerService.playingStartedStopped.values() {
if startStopped.started {
self.didStartPlaying()
} else {
self.didStopPlaying()
}
}
}
}
func mute() {
isMuted.toggle()
audioPlayerService.toggleMute()
}
func playPause() {
if audioPlayerService.state == .playing {
audioPlayerService.pause()
} else {
audioPlayerService.resume()
}
}
func update(rate: Float) {
let rate = round(rate / 0.2) * 0.2
audioPlayerService.update(rate: rate)
}
func stop() {
isPlaying = false
audioPlayerService.stop()
currentTrack?.status = .idle
currentTrack = nil
}
func play(_ track: AudioTrack) {
if track != currentTrack {
currentTrack?.status = .idle
audioPlayerService.play(url: track.url)
currentTrack = track
}
}
func onTick() {
let duration = audioPlayerService.duration
let progress = audioPlayerService.progress
if duration > 0 {
let elapsed = Int(progress)
let remaining = Int(duration - progress)
totalTime = duration
switch scrubState {
case .idle:
currentTime = progress
case .started:
break
case .ended(let seekTime):
currentTime = seekTime
if audioPlayerService.duration > 0 {
audioPlayerService.seek(at: seekTime)
}
scrubState = .idle
}
formattedCurrentTime = timeFrom(seconds: Int(elapsed))
formattedTotalTime = timeFrom(seconds: remaining)
} else {
let elapsed = Int(progress)
formattedCurrentTime = timeFrom(seconds: Int(elapsed))
if formattedTotalTime != nil {
formattedTotalTime = nil
}
}
}
func resetLabels() {
currentTime = 0
totalTime = 0
formattedCurrentTime = nil
formattedTotalTime = nil
}
private func timeFrom(seconds: Int) -> String {
let correctSeconds = seconds % 60
let minutes = (seconds / 60) % 60
let hours = seconds / 3600
if hours > 0 {
return String(format: "%02d:%02d:%02d", hours, minutes, correctSeconds)
}
return String(format: "%02d:%02d", minutes, correctSeconds)
}
private func didStartPlaying() {
self.displayLink = DisplayLink(onTick: { [weak self] _ in
self?.onTick()
})
displayLink?.activate()
}
private func didStopPlaying() {
resetLabels()
liveAudioMetadata = nil
playbackRate = 1.0
displayLink?.deactivate()
}
}
}
@@ -0,0 +1,69 @@
//
// Created by Dimitris C.
// Copyright © 2024 Decimal. All rights reserved.
//
import UIKit
import Foundation
import AudioStreaming
struct AudioPlaylist: Equatable, Identifiable {
var id: String { title }
let title: String
var tracks: [AudioTrack]
}
@Observable
public class AudioPlayerModel {
@ObservationIgnored
private(set) var audioPlayerService: AudioPlayerService
var audioTracks: [AudioPlaylist] = []
var currentTrack: AudioTrack?
init(audioTracksProvider: () -> [AudioPlaylist] = audioTracksProvider, audioPlayerService: AudioPlayerService) {
self.audioPlayerService = audioPlayerService
self.audioTracks = audioTracksProvider()
}
deinit {
audioPlayerService.stop()
}
func addNewAudioTrack(url: URL) {
let customIndex = audioTracks.firstIndex(where: { $0.id == "Custom" })
let audioTrack = AudioTrack(from: .custom(url.absoluteString), status: .idle)
let playlist = AudioPlaylist(title: "Custom", tracks: [audioTrack])
if let customIndex {
let tracks = audioTracks[customIndex].tracks
if !tracks.contains(audioTrack) {
audioTracks[customIndex].tracks.append(audioTrack)
}
} else {
audioTracks.append(playlist)
}
}
func play(_ track: AudioTrack) {
if track != currentTrack {
currentTrack = track
}
}
}
private let radioTracks: [AudioContent] = [.offradio, .enlefko, .pepper966, .kosmos, .kosmosJazz, .radiox]
private let audioTracks: [AudioContent] = [.khruangbin, .piano, .optimized, .nonOptimized, .remoteWave, .local, .localWave]
func audioTracksProvider() -> [AudioPlaylist] {
[
AudioPlaylist(title: "Radio", tracks: radioTracks.map { AudioTrack.init(from: $0) }),
AudioPlaylist(title: "Tracks", tracks: audioTracks.map { AudioTrack.init(from:$0) })
]
}
func audioQueueTrackProvider() -> [AudioPlaylist] {
[
AudioPlaylist(title: "Tracks", tracks: audioTracks.map { AudioTrack.init(from:$0) })
]
}
@@ -0,0 +1,86 @@
//
// Created by Dimitris C.
// Copyright © 2024 Decimal. All rights reserved.
//
import SwiftUI
struct AudioPlayerView: View {
@Environment(AppModel.self) var appModel
@State var model: AudioPlayerModel
@State var eqSheetIsShown: Bool = false
@State var addNewAudioIsShown: Bool = false
init(appModel: AppModel) {
self._model = State(wrappedValue: AudioPlayerModel(audioPlayerService: appModel.audioPlayerService))
}
var body: some View {
ScrollViewReader { proxy in
List {
ForEach(model.audioTracks) { section in
Section {
ForEach(section.tracks) { track in
AudioTrackView(track: track) {
model.play(track)
}
.id(track.id)
}
} header: {
Text(section.title)
}
}
}
.onChange(of: model.audioTracks) { _, newValue in
if let lastId = newValue.last?.tracks.last?.id {
withAnimation {
proxy.scrollTo(lastId, anchor: .bottom)
}
}
}
}
.safeAreaInset(edge: .bottom) {
AudioPlayerControls(appModel: appModel, currentTrack: $model.currentTrack)
.background(
.ultraThinMaterial.shadow(
ShadowStyle.drop(color: .black.opacity(0.1), radius: 8, x: 0, y: -10)
)
)
}
.ignoresSafeArea(.keyboard, edges: .bottom)
.navigationTitle("Audio Player")
.navigationBarTitleDisplayMode(.inline)
.toolbar {
ToolbarItemGroup(placement: .topBarTrailing) {
Button {
eqSheetIsShown.toggle()
} label: {
Image(systemName: "slider.horizontal.3")
}
Button {
addNewAudioIsShown.toggle()
} label: {
Image(systemName: "plus")
}
}
}
.sheet(isPresented: $eqSheetIsShown) {
EqualizerView(appModel: appModel)
.presentationDetents([.medium])
}
.sheet(isPresented: $addNewAudioIsShown) {
AddNewAudioURLView(
onAddNewUrl: { url in
model.addNewAudioTrack(url: url)
}
)
.presentationDetents([.height(150)])
}
}
}
#Preview {
AudioPlayerView(appModel: AppModel())
}
@@ -0,0 +1,327 @@
//
// Created by Dimitris C.
// Copyright © 2024 Decimal. All rights reserved.
//
import SwiftUI
@Observable
class EQBand: Identifiable {
var frequency: String
var min: Float
var max: Float
var value: Float
@ObservationIgnored
let index: Int
init(index: Int, frequency: String, min: Float, max: Float, value: Float) {
self.index = index
self.frequency = frequency
self.min = min
self.max = max
self.value = value
}
}
struct EqualizerView: View {
@Environment(\.dismiss) var dismiss
@Environment(AppModel.self) var appModel
@State var model: Model
init(appModel: AppModel) {
self._model = State(wrappedValue: Model(equalizerService: appModel.equalizerService))
}
var body: some View {
NavigationStack {
VStack(spacing: 16) {
EQSliderView()
.frame(height: 180)
.padding(.horizontal, 16)
.environment(model)
HStack(alignment: .center, spacing: 16) {
Button {
withAnimation {
model.isEnabled.toggle()
model.enable()
}
} label: {
HStack {
Image(systemName: model.isEnabled ? "waveform.slash" : "waveform")
.contentTransition(.symbolEffect(.replace))
Text(model.isEnabled ? "Disable": "Enable")
.font(.body)
}
.foregroundStyle(Color.white)
}
.padding(.horizontal, 16)
.padding(.vertical, 16)
.background(model.isEnabled ? .red : .mint)
.clipShape(RoundedRectangle(cornerRadius: 16))
Button {
model.reset()
} label: {
HStack {
Text("Reset")
.font(.body)
}
.foregroundStyle(Color.white)
}
.padding(.horizontal, 16)
.padding(.vertical, 16)
.background(.mint)
.clipShape(RoundedRectangle(cornerRadius: 16))
}
.padding(.top, 24)
}
.task {
Task {
model.generateBands()
}
}
.navigationTitle("Equalizer")
.navigationBarTitleDisplayMode(.inline)
.toolbar {
ToolbarItem(placement: .topBarTrailing) {
Button {
dismiss()
} label: {
Image(systemName: "xmark.circle.fill")
.foregroundStyle(Color.gray)
}
}
}
}
}
}
struct EQSliderView: View {
@Environment(EqualizerView.Model.self) var eqModel
@State private var dragPointYLocations: [CGFloat] = Array(repeating: .zero, count: 6)
@State private var resetPoints: [Double] = Array(repeating: .zero, count: 6)
@State private var eqViewFrame: CGRect = .zero
var body: some View {
VStack(spacing: 0) {
HStack(spacing: 0) {
// Draw labels for gain values
VStack {
Text("\(Int(eqModel.maxGain))db")
.font(.caption2)
.foregroundColor(.black)
Spacer()
Text("0dB")
.font(.caption2)
.foregroundColor(.black)
Spacer()
Text("\(Int(eqModel.minGain))db")
.font(.caption2)
.foregroundColor(.black)
}
GeometryReader { innerGeo in
ZStack {
LineShape(values: eqModel.shouldReset ? resetPoints : dragPointYLocations.map { Double($0) })
.stroke(Color.mint, lineWidth: 2)
.animation(.easeInOut(duration: 0.2), value: eqModel.shouldReset)
.onAppear {
resetPoints = resetPoints.map { _ in Double(gainToYPosition(at: 0, in: innerGeo.size)) }
}
Path { path in
for index in 0..<dragPointYLocations.count {
let x = positionForDragPoint(at: index, size: innerGeo.size)
path.move(to: CGPoint(x: x, y: 0))
path.addLine(to: CGPoint(x: x, y: innerGeo.size.height))
}
path.move(to: CGPoint(x: 0, y: innerGeo.size.height / 2))
path.addLine(to: CGPoint(x: innerGeo.size.width, y: innerGeo.size.height / 2))
}
.stroke(Color.gray.opacity(0.5), lineWidth: 1)
ForEach(eqModel.bands) { band in
Circle()
.fill(Color.mint)
.frame(width: 20, height: 20)
.position(x: positionForDragPoint(at: band.index, size: innerGeo.size), y: dragPointYLocations[band.index])
.gesture(
DragGesture()
.onChanged { value in
let newY = min(max(value.location.y, 0), innerGeo.size.height)
dragPointYLocations[band.index] = newY
updateGainValue(at: band.index, in: innerGeo.size)
}
)
.onAppear {
dragPointYLocations[band.index] = gainToYPosition(at: band.value, in: innerGeo.size)
}
.onChange(of: eqModel.shouldReset) { _, reset in
if reset {
resetPositions(in: innerGeo.size)
}
}
}
}
ForEach(eqModel.bands) { band in
Text(band.frequency)
.position(x: positionForDragPoint(at: band.index, size: innerGeo.size), y: innerGeo.size.height + 8)
.font(.caption)
.foregroundColor(.black)
}
}
}
}
}
func positionForDragPoint(at index: Int, size: CGSize) -> CGFloat {
size.width / 12 * CGFloat(index * 2 + 1)
}
func updateGainValue(at index: Int, in size: CGSize) {
let percentage = dragPointYLocations[index] / size.height
let gain = (1 - Float(percentage)) * (eqModel.maxGain - eqModel.minGain) + eqModel.minGain
eqModel.update(gain: gain, index: index)
}
func gainToYPosition(at gain: Float, in size: CGSize) -> CGFloat {
let percentage = 1 - (gain - eqModel.minGain) / (eqModel.maxGain - eqModel.minGain)
return CGFloat(percentage) * size.height
}
func resetPositions(in size: CGSize) {
let reset = dragPointYLocations.map { _ in gainToYPosition(at: 0, in: size) }
withAnimation(.easeInOut(duration: 0.2)) {
dragPointYLocations = reset
}
}
}
extension EqualizerView {
@Observable
class Model {
@ObservationIgnored
private let equalizerService: EqualizerService
var dragPointYLocations: [CGFloat] = Array(repeating: .zero, count: 6)
var isEnabled: Bool = false
var bands: [EQBand] = []
let minGain: Float = -12
let maxGain: Float = 12
var shouldReset: Bool = false
init(equalizerService: EqualizerService) {
self.equalizerService = equalizerService
isEnabled = equalizerService.isActivated
}
func generateBands() {
bands = equalizerService.bands.enumerated().map { index, item in
var measurement = item.frequency
var frequency = String(Int(measurement))
if item.frequency >= 1000 {
measurement = item.frequency / 1000
frequency = "\(String(Int(measurement)))K"
}
return EQBand(index: index, frequency: frequency, min: minGain, max: maxGain, value: item.gain)
}
}
func enable() {
if isEnabled {
equalizerService.activate()
} else {
equalizerService.deactivate()
}
}
func update(gain: Float, index: Int) {
shouldReset = false
bands[index].value = gain
equalizerService.update(gain: gain, for: index)
}
func reset() {
guard !shouldReset else {
return
}
shouldReset = true
equalizerService.reset()
for band in bands {
band.value = 0.0
}
}
}
}
struct LineShape: Shape {
var values: [Double]
var animatableData: AnimatableLine {
get { AnimatableLine(values: values) }
set { values = newValue.values }
}
func path(in rect: CGRect) -> Path {
var path = Path()
path.move(to: CGPoint(x: rect.size.width / 12, y: values.first ?? 0))
for index in 1..<values.count {
let x = positionForDragPoint(at: index, size: rect.size)
let y = values[index]
path.addLine(to: CGPoint(x: x, y: y))
}
return path
}
func positionForDragPoint(at index: Int, size: CGSize) -> CGFloat {
size.width / 12 * CGFloat(index * 2 + 1)
}
}
struct AnimatableLine : VectorArithmetic {
var values: [Double]
var magnitudeSquared: Double {
return values.map { $0 * $0 }.reduce(0, +)
}
mutating func scale(by rhs: Double) {
values = values.map { $0 * rhs }
}
static var zero: AnimatableLine {
return AnimatableLine(values: [0.0])
}
static func - (lhs: AnimatableLine, rhs: AnimatableLine) -> AnimatableLine {
return AnimatableLine(values: zip(lhs.values, rhs.values).map(-))
}
static func -= (lhs: inout AnimatableLine, rhs: AnimatableLine) {
lhs = lhs - rhs
}
static func + (lhs: AnimatableLine, rhs: AnimatableLine) -> AnimatableLine {
return AnimatableLine(values: zip(lhs.values, rhs.values).map(+))
}
static func += (lhs: inout AnimatableLine, rhs: AnimatableLine) {
lhs = lhs + rhs
}
}
#Preview {
EqualizerView(appModel: AppModel())
}
@@ -1,24 +1,21 @@
//
// AudioPlayerService.swift
// AudioExample
//
// Created by Dimitrios Chatzieleftheriou on 14/11/2020.
// Copyright © 2020 Dimitrios Chatzieleftheriou. All rights reserved.
// Created by Dimitris C.
// Copyright © 2024 Decimal. All rights reserved.
//
import AudioStreaming
import AVFoundation
protocol AudioPlayerServiceDelegate: AnyObject {
func didStartPlaying()
func didStopPlaying()
func didStartPlaying(id: AudioEntryId)
func didStopPlaying(id: AudioEntryId, reason: AudioPlayerStopReason)
func statusChanged(status: AudioPlayerState)
func errorOccurred(error: AudioPlayerError)
func metadataReceived(metadata: [String: String])
}
final class AudioPlayerService {
var delegate = MulticastDelegate<AudioPlayerServiceDelegate>()
weak var delegate: AudioPlayerServiceDelegate?
private var player: AudioPlayer
private var audioSystemResetObserver: Any?
@@ -43,8 +40,12 @@ final class AudioPlayerService {
player.state
}
init() {
player = AudioPlayer(configuration: .init(enableLogs: true))
var statusChangedNotifier = Notifier<AudioPlayerState>()
var metadataReceivedNotifier = Notifier<[String: String]>()
var playingStartedStopped = Notifier<(started: Bool, AudioEntryId, AudioPlayerStopReason?)>()
init(audioPlayer: AudioPlayer) {
player = audioPlayer
player.delegate = self
configureAudioSession()
@@ -98,8 +99,8 @@ final class AudioPlayerService {
}
}
func seek(at time: Float) {
player.seek(to: Double(time))
func seek(at time: Double) {
player.seek(to: time)
}
private func recreatePlayer() {
@@ -109,10 +110,11 @@ final class AudioPlayerService {
private func registerSessionEvents() {
// Note that a real app might need to observer other AVAudioSession notifications as well
audioSystemResetObserver = NotificationCenter.default.addObserver(forName: AVAudioSession.mediaServicesWereResetNotification,
object: nil,
queue: nil)
{ [unowned self] _ in
audioSystemResetObserver = NotificationCenter.default.addObserver(
forName: AVAudioSession.mediaServicesWereResetNotification,
object: nil,
queue: nil
) { [unowned self] _ in
self.configureAudioSession()
self.recreatePlayer()
}
@@ -151,14 +153,16 @@ final class AudioPlayerService {
extension AudioPlayerService: AudioPlayerDelegate {
func audioPlayerDidStartPlaying(player _: AudioPlayer, with id: AudioEntryId) {
print("audioPlayerDidStartPlaying entryId: \(id)")
delegate.invoke(invocation: { $0.didStartPlaying() })
delegate?.didStartPlaying(id: id)
Task { await playingStartedStopped.send((true, id, nil)) }
}
func audioPlayerDidFinishBuffering(player _: AudioPlayer, with _: AudioEntryId) {}
func audioPlayerStateChanged(player _: AudioPlayer, with newState: AudioPlayerState, previous _: AudioPlayerState) {
print("audioPlayerDidStartPlaying newState: \(newState)")
delegate.invoke(invocation: { $0.statusChanged(status: newState) })
Task { await statusChangedNotifier.send(newState) }
delegate?.statusChanged(status: newState)
}
func audioPlayerDidFinishPlaying(player _: AudioPlayer,
@@ -168,16 +172,19 @@ extension AudioPlayerService: AudioPlayerDelegate {
duration _: Double)
{
print("audioPlayerDidFinishPlaying entryId: \(id), reason: \(reason)")
delegate.invoke(invocation: { $0.didStopPlaying() })
Task { await playingStartedStopped.send((false, id, reason)) }
delegate?.didStopPlaying(id: id, reason: reason)
}
func audioPlayerUnexpectedError(player _: AudioPlayer, error: AudioPlayerError) {
delegate.invoke(invocation: { $0.errorOccurred(error: error) })
delegate?.errorOccurred(error: error)
}
func audioPlayerDidCancel(player _: AudioPlayer, queuedItems _: [AudioEntryId]) {}
func audioPlayerDidReadMetadata(player _: AudioPlayer, metadata: [String: String]) {
delegate.invoke(invocation: { $0.metadataReceived(metadata: metadata) })
Task { await metadataReceivedNotifier.send(metadata) }
delegate?.metadataReceived(metadata: metadata)
}
}
@@ -1,16 +1,13 @@
//
// EqualizerService.swift
// AudioExample
//
// Created by Dimitrios Chatzieleftheriou on 15/11/2020.
// Copyright © 2020 Dimitrios Chatzieleftheriou. All rights reserved.
// Created by Dimitris C.
// Copyright © 2024 Decimal. All rights reserved.
//
import AVFoundation
final class EqualizerService {
private let playerService: AudioPlayerService
private let _freqs = [32, 64, 128, 250, 500, 1000, 2000, 4000, 8000, 16000]
private let _freqs = [60, 150, 400, 1000, 2400, 15000]
private let eqUnit: AVAudioUnitEQ
var bands: [AVAudioUnitEQFilterParameters] {
@@ -0,0 +1,49 @@
//
// Created by Dimitris C.
// Copyright © 2024 Decimal. All rights reserved.
//
import UIKit
final class DisplayLink {
private var displayLink: CADisplayLink?
private var target = DisplayLinkTarget()
var isPaused: Bool = true {
didSet {
displayLink?.isPaused = isPaused
}
}
init(onTick: @escaping (CADisplayLink) -> Void) {
target.onTick = onTick
}
deinit {
deactivate()
}
func activate() {
displayLink?.invalidate()
displayLink = nil
displayLink = CADisplayLink(target: target, selector: #selector(DisplayLinkTarget.tick(_:)))
displayLink?.preferredFrameRateRange = .init(minimum: 6, maximum: 10)
displayLink?.add(to: .current, forMode: .common)
self.isPaused = false
}
func deactivate() {
isPaused = true
displayLink?.invalidate()
displayLink = nil
}
}
private final class DisplayLinkTarget {
var onTick: ((CADisplayLink) -> Void)?
@objc func tick(_ link: CADisplayLink) {
onTick?(link)
}
}
@@ -0,0 +1,29 @@
//
// Created by Dimitris Chatzieleftheriou on 25/04/2024.
//
import Foundation
actor Notifier<Output> {
private var continuations: [UUID: AsyncStream<Output>.Continuation] = [:]
func values(bufferingPolicy limit: AsyncStream<Output>.Continuation.BufferingPolicy = .bufferingNewest(1)) -> AsyncStream<Output> {
AsyncStream<Output>(bufferingPolicy: limit) { continuation in
let id = UUID()
continuations[id] = continuation
continuation.onTermination = { _ in
Task { await self.cancel(id) }
}
}
}
func send(_ value: Output) {
for continuation in continuations.values {
continuation.yield(value)
}
}
private func cancel(_ id: UUID) {
continuations[id] = nil
}
}
+10
View File
@@ -0,0 +1,10 @@
<?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>UIBackgroundModes</key>
<array>
<string>audio</string>
</array>
</dict>
</plist>
@@ -0,0 +1,35 @@
//
// Created by Dimitris C.
// Copyright © 2024 Decimal. All rights reserved.
//
import SwiftUI
struct ContentView: View {
@Environment(AppModel.self) var appModel
@State private var selection: NavigationContent?
var body: some View {
NavigationStack {
List {
NavigationLink(value: NavigationContent.audioPlayer) {
Label("Audio Player", systemImage: "play")
}
NavigationLink(value: NavigationContent.audioQueue) {
Label("Audio Queue", systemImage: "play.square.stack")
}
}
.navigationTitle("Home")
.navigationDestination(for: NavigationContent.self) { content in
DetailView(selection: content)
}
}
}
}
#Preview {
ContentView()
}
@@ -0,0 +1,22 @@
//
// Created by Dimitris C.
// Copyright © 2024 Decimal. All rights reserved.
//
import SwiftUI
struct DetailView: View {
@Environment(AppModel.self) var appModel
var selection: NavigationContent
var body: some View {
switch selection {
case .audioPlayer:
AudioPlayerView(appModel: appModel)
case .audioQueue: // TODO
EmptyView()
}
}
}
@@ -0,0 +1,45 @@
//
// Created by Dimitris C.
// Copyright © 2024 Decimal. All rights reserved.
//
import SwiftUI
enum NavigationContent: Hashable {
case audioPlayer
case audioQueue
}
struct ContentSidebar: View {
@Binding var selection: NavigationContent?
var body: some View {
List(selection: $selection) {
NavigationLink(value: NavigationContent.audioPlayer) {
Label("Audio Player", systemImage: "play")
}
NavigationLink(value: NavigationContent.audioQueue) {
Label("Audio Queue", systemImage: "play.square.stack")
}
}
.navigationTitle("Home")
}
}
struct Sidebar_Previews: PreviewProvider {
struct Preview: View {
@State private var selection: NavigationContent? = NavigationContent.audioPlayer
var body: some View {
ContentSidebar(selection: $selection)
}
}
static var previews: some View {
NavigationSplitView {
Preview()
} detail: {
Text("Detail!")
}
}
}
@@ -0,0 +1,6 @@
{
"info" : {
"author" : "xcode",
"version" : 1
}
}
+1 -1
View File
@@ -2,7 +2,7 @@
<Workspace
version = "1.0">
<FileRef
location = "group:AudioExample/AudioExample.xcodeproj">
location = "group:AudioPlayer/AudioPlayer.xcodeproj">
</FileRef>
<FileRef
location = "container:AudioStreaming.xcodeproj">
+27 -1
View File
@@ -25,13 +25,15 @@
+---+ +---+
```
*/
final class Queue<Element>: Sequence, CustomDebugStringConvertible {
final class Queue<Element: Equatable>: Sequence, CustomDebugStringConvertible {
private var _storage: [Element] = []
var isEmpty: Bool { _storage.isEmpty }
var count: Int { _storage.count }
var items: [Element] { _storage }
/// Inserts an item at the end of the queue
func enqueue(item: Element) {
_storage.insert(item, at: 0)
@@ -55,6 +57,30 @@ final class Queue<Element>: Sequence, CustomDebugStringConvertible {
}
}
/// Inserts an item at a specific index in the queue
func insert(item: Element, at index: Int) {
guard index >= 0 && index <= count else {
fatalError("Index out of range")
}
_storage.insert(item, at: index)
}
func remove(item: Element) {
guard let index = _storage.firstIndex(of: item) else {
return
}
_storage.remove(at: index)
}
/// Removes the item at the specified index in the queue
@discardableResult
func remove(at index: Int) -> Element? {
guard index >= 0 && index < count else {
return nil
}
return _storage.remove(at: index)
}
/// Retrieves the last item
func peek() -> Element? {
_storage.last
@@ -210,6 +210,25 @@ open class AudioPlayer {
}
}
public func playNextInQueue() {
checkRenderWaitingAndNotifyIfNeeded()
serializationQueue.sync {
if entriesQueue.count(for: .upcoming) > 0 {
playerContext.setInternalState(to: .pendingNext)
}
do {
try self.startEngineIfNeeded()
} catch {
self.raiseUnexpected(error: .audioSystemError(.engineFailure))
}
}
sourceQueue.async { [weak self] in
guard let self = self else { return }
self.processSource()
}
}
/// Queues the specified URL
///
/// - Parameter url: A `URL` specifying the audio content to be played.
@@ -224,15 +243,41 @@ open class AudioPlayer {
queue(urls: urls, headers: [:])
}
public func queue(url: URL, after afterUrl: URL) {
queue(url: url, headers: [:], after: afterUrl)
}
public func removeFromQueue(url: URL) {
serializationQueue.sync {
if let item = entriesQueue.items(type: .upcoming).first(where: { $0.id.id == url.absoluteString }) {
entriesQueue.remove(item: item, type: .upcoming)
if playerContext.audioPlayingEntry?.id.id == item.id.id {
stop(clearQueue: false)
}
}
}
checkRenderWaitingAndNotifyIfNeeded()
sourceQueue.async { [weak self] in
self?.processSource()
}
}
/// Queues the specified URL
///
/// - Parameter url: A `URL` specifying the audio content to be played.
/// - parameter headers: A `Dictionary` specifying any additional headers to be pass to the network request.
public func queue(url: URL, headers: [String: String]) {
public func queue(url: URL, headers: [String: String], after afterUrl: URL? = nil) {
serializationQueue.sync {
let audioEntry = entryProvider.provideAudioEntry(url: url, headers: headers)
audioEntry.delegate = self
entriesQueue.enqueue(item: audioEntry, type: .upcoming)
if let afterUrl = afterUrl {
if let afterUrlEntry = entriesQueue.items(type: .upcoming).first(where: { $0.id.id == afterUrl.absoluteString }) {
entriesQueue.insert(item: audioEntry, type: .upcoming, after: afterUrlEntry)
}
} else {
entriesQueue.enqueue(item: audioEntry, type: .upcoming)
}
}
checkRenderWaitingAndNotifyIfNeeded()
sourceQueue.async { [weak self] in
@@ -259,7 +304,7 @@ open class AudioPlayer {
}
/// Stops the audio playback
public func stop() {
public func stop(clearQueue: Bool = true) {
guard playerContext.internalState != .stopped else { return }
serializationQueue.sync {
@@ -274,7 +319,9 @@ open class AudioPlayer {
self.processFinishPlaying(entry: playingEntry, with: nil)
}
self.clearQueue()
if clearQueue {
self.clearQueue()
}
self.playerContext.entriesLock.lock()
self.playerContext.audioReadingEntry = nil
self.playerContext.audioPlayingEntry = nil
@@ -22,7 +22,7 @@ public struct AudioPlayerConfiguration: Equatable {
/// Enables the internal logs
let enableLogs: Bool
public static let `default` = AudioPlayerConfiguration(flushQueueOnSeek: true,
public static let `default` = AudioPlayerConfiguration(flushQueueOnSeek: false,
bufferSizeInSeconds: 10,
secondsRequiredToStartPlaying: 1,
gracePeriodAfterSeekInSeconds: 0.5,
@@ -109,9 +109,9 @@ final class AudioPlayerRenderProcessor: NSObject {
bufferList.mBuffers.mDataByteSize = frameSizeInBytes * framesToCopy
if isMuted {
writeSilence(outputBuffer: &bufferList.mBuffers,
outputBufferSize: 0,
offset: Int(bufferList.mBuffers.mDataByteSize))
if let mData = bufferList.mBuffers.mData {
memset(mData, 0, Int(bufferList.mBuffers.mDataByteSize))
}
} else {
if let mDataBuffer = audioBuffer.mData {
memcpy(bufferList.mBuffers.mData,
@@ -132,9 +132,9 @@ final class AudioPlayerRenderProcessor: NSObject {
bufferList.mBuffers.mDataByteSize = frameSizeInBytes * frameToCopy
if isMuted {
writeSilence(outputBuffer: &bufferList.mBuffers,
outputBufferSize: 0,
offset: Int(bufferList.mBuffers.mDataByteSize))
if let mData = bufferList.mBuffers.mData {
memset(mData, 0, Int(bufferList.mBuffers.mDataByteSize))
}
} else {
if let mDataBuffer = audioBuffer.mData {
memcpy(bufferList.mBuffers.mData,
@@ -151,9 +151,7 @@ final class AudioPlayerRenderProcessor: NSObject {
bufferList.mBuffers.mDataByteSize += frameSizeInBytes * moreFramesToCopy
if let ioBufferData = bufferList.mBuffers.mData {
if isMuted {
writeSilence(outputBuffer: &bufferList.mBuffers,
outputBufferSize: Int(frameSizeInBytes * moreFramesToCopy),
offset: Int(frameToCopy * frameSizeInBytes))
memset(ioBufferData + Int(frameToCopy * frameSizeInBytes), 0, Int(frameSizeInBytes * moreFramesToCopy))
} else {
if let mDataBuffer = audioBuffer.mData {
memcpy(ioBufferData + Int(frameToCopy * frameSizeInBytes),
@@ -319,13 +317,4 @@ final class AudioPlayerRenderProcessor: NSObject {
guard inputBusNumber == 0 else { return noErr }
return render(inNumberFrames: inNumberFrames, ioData: inputData, flags: flags)
}
@inline(__always)
private func writeSilence(outputBuffer: inout AudioBuffer,
outputBufferSize: Int,
offset: Int)
{
guard let mData = outputBuffer.mData else { return }
memset(mData + offset, 0, outputBufferSize)
}
}
@@ -34,6 +34,17 @@ final class PlayerQueueEntries {
upcoming = Queue<AudioEntry>()
}
/// Returns an array containing all items in the queue for the specified `type`.
///
/// - Note: This method returns the items in the queue without removing them.
///
/// - Parameter type: A `PlayerQueueType` specifying the type of the queue.
/// - Returns: An array of `AudioEntry` objects representing the items in the queue.
func items(type: PlayerQueueType) -> [AudioEntry] {
lock.lock(); defer { lock.unlock() }
return queue(for: type).items
}
/// Adds the `item` to the underlying queue for the specified `type`
/// - parameter item: An `AudioEntry` object to be added
/// - parameter type: The type fo the underlying queue as expressed by `PlayerQueueType`
@@ -51,6 +62,32 @@ final class PlayerQueueEntries {
return queue(for: type).dequeue()
}
func insert(item: AudioEntry, type: PlayerQueueType, after afterItem: AudioEntry) {
lock.lock(); defer { lock.unlock() }
if let indexForAfterItem = queue(for: type).items.firstIndex(of: afterItem) {
queue(for: .upcoming).insert(item: item, at: indexForAfterItem)
}
}
/// Inserts the `item` at the specified index in the underlying queue for the specified `type`.
/// - Parameters:
/// - item: An `AudioEntry` object to be added.
/// - type: The type of the underlying queue as expressed by `PlayerQueueType`.
/// - index: The index at which to insert the item.
func insert(item: AudioEntry, type: PlayerQueueType, at index: Int) {
lock.lock(); defer { lock.unlock() }
queue(for: type).insert(item: item, at: index)
}
/// Removes the item at the specified index from the underlying queue for the specified `type`.
/// - Parameters:
/// - type: The type of the underlying queue as expressed by `PlayerQueueType`.
/// - index: The index of the item to remove.
func remove(item: AudioEntry, type: PlayerQueueType) {
lock.lock(); defer { lock.unlock() }
queue(for: type).remove(item: item)
}
/// Appends (skips) the `items` to the underlying queue for the specified `type`
/// - parameter item: An `AudioEntry` object to be added
/// - parameter type: The type fo the underlying queue as expressed by `PlayerQueueType`
@@ -1,41 +0,0 @@
{
"configurations" : [
{
"id" : "A1B13C01-AF5C-46DD-990A-A369639F2AD3",
"name" : "Configuration 1",
"options" : {
}
}
],
"defaultOptions" : {
"environmentVariableEntries" : [
{
"enabled" : false,
"key" : "OS_ACTIVITY_MODE",
"value" : "disable"
}
],
"targetForVariableExpansion" : {
"containerPath" : "container:AudioExample.xcodeproj",
"identifier" : "B5AEDBD02475274C007D8101",
"name" : "AudioExample"
},
"testExecutionOrdering" : "random",
"threadSanitizerEnabled" : true
},
"testTargets" : [
{
"parallelizable" : true,
"skippedTests" : [
"ProtectedTests"
],
"target" : {
"containerPath" : "container:..\/AudioStreaming.xcodeproj",
"identifier" : "B5AEDBB624744153007D8101",
"name" : "AudioStreamingTests"
}
}
],
"version" : 1
}
+23
View File
@@ -83,4 +83,27 @@ class QueueTests: XCTestCase {
queue.removeAll()
XCTAssertTrue(queue.isEmpty)
}
func testInsertingAtSpecificIndex() {
let queue = Queue<Int>()
queue.enqueue(item: 1)
queue.enqueue(item: 2)
queue.enqueue(item: 3)
queue.insert(item: 6, at: 1)
XCTAssertEqual(queue.count, 4)
XCTAssertEqual(queue.remove(at: 1), 6)
}
func testRemovingAtSpecificIndex() {
let queue = Queue<Int>()
queue.enqueue(item: 1)
queue.enqueue(item: 2)
queue.enqueue(item: 3)
XCTAssertEqual(queue.remove(at: 1), 2)
XCTAssertEqual(queue.count, 2)
}
}
@@ -13,6 +13,8 @@ import XCTest
class MetadataStreamProcessorTests: XCTestCase {
var metadataDelegateSpy = MetadataDelegateSpy()
let bundle = Bundle(for: MetadataStreamProcessorTests.self)
func test_Processor_SendsCorrectValues_IfItCanProcessMetadata() throws {
let parser = MetadataParser()
let processor = MetadataStreamProcessor(parser: parser.eraseToAnyParser())
@@ -34,7 +36,6 @@ class MetadataStreamProcessorTests: XCTestCase {
}
func test_Processor_Outputs_Correct_Metadata_ForStep_WithEmptyMetadata() throws {
let bundle = Bundle(for: MetadataStreamProcessorTests.self)
let url = bundle.url(forResource: "raw-stream-audio-empty-metadata", withExtension: nil)!
let data = try Data(contentsOf: url)
@@ -53,7 +54,6 @@ class MetadataStreamProcessorTests: XCTestCase {
}
func test_Processor_Outputs_Correct_Metadata_ForStep_WithMetadata() throws {
let bundle = Bundle(for: MetadataStreamProcessorTests.self)
let url = bundle.url(forResource: "raw-stream-audio-normal-metadata", withExtension: nil)!
let data = try Data(contentsOf: url)
@@ -72,7 +72,6 @@ class MetadataStreamProcessorTests: XCTestCase {
}
func test_Processor_Outputs_Correct_Metadata_ForStep_WithMetadata_Alt() throws {
let bundle = Bundle(for: MetadataStreamProcessorTests.self)
let url = bundle.url(forResource: "raw-stream-audio-normal-metadata-alt", withExtension: nil)!
let data = try Data(contentsOf: url)
@@ -95,7 +94,6 @@ class MetadataStreamProcessorTests: XCTestCase {
}
func test_Processor_Outputs_Correct_Metadata_ForStep_NoMetadata() throws {
let bundle = Bundle(for: MetadataStreamProcessorTests.self)
let url = bundle.url(forResource: "raw-stream-audio-no-metadata", withExtension: nil)!
let data = try Data(contentsOf: url)
+15 -3
View File
@@ -1,4 +1,4 @@
// swift-tools-version:5.3
// swift-tools-version:5.9
import PackageDescription
@@ -18,6 +18,18 @@ let package = Package(
name: "AudioStreaming",
path: "AudioStreaming"
),
],
swiftLanguageVersions: [.v5]
.testTarget(
name: "AudioStreamingTests",
dependencies: [
"AudioStreaming"
],
path: "AudioStreamingTests",
resources: [
.copy("Streaming/Metadata Stream Processor/raw-audio-streams/raw-stream-audio-empty-metadata"),
.copy("Streaming/Metadata Stream Processor/raw-audio-streams/raw-stream-audio-no-metadata"),
.copy("Streaming/Metadata Stream Processor/raw-audio-streams/raw-stream-audio-normal-metadata"),
.copy("Streaming/Metadata Stream Processor/raw-audio-streams/raw-stream-audio-normal-metadata-alt")
]
)
]
)
+1 -1
View File
@@ -1,4 +1,4 @@
![AudioStreaming CI](https://github.com/dimitris-c/AudioStreaming/workflows/AudioStreaming%20CI/badge.svg)
[![AudioStreaming CI](https://github.com/dimitris-c/AudioStreaming/actions/workflows/swift.yml/badge.svg)](https://github.com/dimitris-c/AudioStreaming/actions/workflows/swift.yml)
# AudioStreaming
An AudioPlayer/Streaming library for iOS written in Swift, allows playback of online audio streaming, local file as well as gapless queueing.