public override bool FinishedLaunching(UIApplication app, NSDictionary options)
{
whisperList = new DialogViewController(UITableViewStyle.Plain, new RootElement("Whispers"));
window.RootViewController = viewController;
window.MakeKeyAndVisible();
Task.Factory.StartNew(() => {
var dbPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "whispers.db");
_db = new Database(dbPath);
viewController.AddChildViewController(whisperList);
whisperList.View.Frame = new RectangleF(0, 60, viewController.View.Frame.Width, viewController.View.Frame.Height - 130);
whisperList.Root.Add(new Section("")
{
});
foreach (Whisper w in _db.Query <Whisper>("select * from Whisper where Length > 0"))
{
whisperList.Root[0].Add(new WhisperElement(w));
}
BeginInvokeOnMainThread(() => {
viewController.View.AddSubview(whisperList.View);
});
});
AudioSession.Initialize();
return(true);
}
static Notify()
{
// Setup your session
AudioSession.Initialize();
AudioSession.Category = AudioSessionCategory.MediaPlayback;
AudioSession.SetActive(true);
}
public void StartRecording()
{
try
{
AudioSession.Initialize();
Console.WriteLine("Begin Recording");
AudioSession.Category = AudioSessionCategory.RecordAudio;
AudioSession.SetActive(true);
if (!PrepareAudioRecording())
{
//RecordingStatusLabel.Text = "Error preparing";
return;
}
if (!recorder.Record())
{
//RecordingStatusLabel.Text = "Error recording";
return;
}
this.stopwatch = new Stopwatch();
this.stopwatch.Start();
RecorderPopup.timerText = stopwatch.ElapsedMilliseconds.ToString();
}
catch (Exception ex)
{
}
}
void initAudioSession()
{
// AudioSession
AudioSession.Initialize();
AudioSession.SetActive(true);
AudioSession.Category = AudioSessionCategory.PlayAndRecord;
AudioSession.PreferredHardwareIOBufferDuration = 0.01f;
}
public BackgroundAudioPlayerIphone()
{
#if !SIMULATOR
AudioSession.Initialize();
AudioSession.Category = AudioSessionCategory.SoloAmbientSound;
AudioSession.SetActive(true);
#endif
}
/// <summary>
/// The main entry point for the application.
/// </summary>
static void Main(string[] args)
{
AudioSession.Initialize();
AudioSession.Category = AudioSessionCategory.AmbientSound;
AudioSession.SetActive(true);
UIApplication.Main(args, null, "AppDelegate");
}
public LessonScreenRecorderViewController(IList <Screen> screens, int index)
: base(screens, index)
{
Stopwatch = null;
AudioFilePath = null;
AudioSession.Initialize(); // Required to activate recording
}
public IOSAudioIODevice()
{
_numInputChannels = 2;
_numOutputChannels = 2;
_preferredBufferSize = 0;
AudioSession.Initialize();
UpdateDeviceInfo();
}
static void Main(string[] args)
{
// the AudioSession code must be placed here to work properly
AudioSession.Initialize();
AudioSession.Category = AudioSessionCategory.AmbientSound;
AudioSession.SetActive(true);
UIApplication.Main(args, null, "AppDelegate");
}
//prepares the audio
public override void ViewDidLoad()
{
base.ViewDidLoad();
//enable audio
AudioSession.Initialize();
//load the sound
Sound = SystemSound.FromFile("Sounds/tap.aif");
}
public override void ViewWillAppear(bool animated)
{
base.ViewWillAppear(animated);
Title = PlayerOption == PlayerOption.Stream ? "Stream " : "Stream & Save";
playPauseButton.TitleLabel.Text = "Pause";
timeLabel.Text = string.Empty;
AudioSession.Initialize();
StartPlayback();
IsPlaying = true;
}
internal static void Setup()
{
Debug.WriteLine("AudioSessionManager.Setup()");
AudioSession.Initialize();
AudioSession.Interrupted += (o, e) =>
{
Debug.WriteLine("AudioSession.Interrupted");
audioSystemAvailable = false;
AudioSession.SetActive(false);
};
// Want to reactivate on resume from interruption
AudioSession.Resumed += (o, e) =>
{
Debug.WriteLine("AudioSession.Resumed");
AudioSession.SetActive(true);
audioSystemAvailable = true;
SoundEffectThread.RestartAllRestarable();
};
// Checking if Other Audio is Playing During App Launch
bool otherAudioIsPlaying = AudioSession.OtherAudioIsPlaying;
MediaPlayer.otherAudioIsPlaying = otherAudioIsPlaying;
Debug.WriteLine("AudioSession.OtherAudioIsPlaying == " + otherAudioIsPlaying);
// For some unknown reason, setting category on the simulator fails with an unknown error code (-50)
try
{
if (otherAudioIsPlaying)
{
AudioSession.Category = AudioSessionCategory.AmbientSound;
}
else
{
AudioSession.Category = AudioSessionCategory.SoloAmbientSound;
}
}
catch
{
Debug.WriteLine("Exception when setting AudioSession.Category");
}
AudioSession.SetActive(true);
audioSystemAvailable = true;
}
public ExtAudioBufferPlayer(CFUrl url)
{
this.url = url;
AudioSession.Initialize();
AudioSession.Category = AudioSessionCategory.PlayAndRecord; // TODO: we need to play only here
AudioSession.Resumed += OnAudioSessionResumed;
PrepareAudioUnit();
PrepareExtAudioFile();
audioUnit.Initialize();
audioUnit.Start();
}
public override bool FinishedLaunching(UIApplication app, NSDictionary options)
{
window.AddSubview(viewController.View);
AudioSession.Initialize();
// Nice creative commons source.
entry.Text = "http://ccmixter.org/content/bradstanfield/bradstanfield_-_People_Let_s_Stop_The_War.mp3";
entry.EditingDidEnd += delegate {
entry.ResignFirstResponder();
};
window.MakeKeyAndVisible();
return(true);
}
// This method is invoked when the application has loaded its UI and its ready to run
public override bool FinishedLaunching(UIApplication app, NSDictionary options)
{
AudioSession.Initialize();
AudioSession.Category = AudioSessionCategory.MediaPlayback;
AudioSession.SetActive(true);
app.ApplicationSupportsShakeToEdit = false;
// If you have defined a view, add it here:
window.AddSubview(rootController.View);
window.MakeKeyAndVisible();
return(true);
}
public static void InitAudio()
{
if (inited)
{
return;
}
inited = true;
AudioSession.Initialize();
AudioSession.Category = AudioSessionCategory.AmbientSound;
try {
AudioSession.OverrideCategoryMixWithOthers = true;
} catch {
// Not available in older OSes
}
}
void prepareAudioUnit()
{
// AudioSession
AudioSession.Initialize();
AudioSession.SetActive(true);
AudioSession.Category = AudioSessionCategory.PlayAndRecord;
AudioSession.PreferredHardwareIOBufferDuration = 0.005f;
// creating an AudioComponentDescription of the RemoteIO AudioUnit
AudioComponentDescription cd = new AudioComponentDescription()
{
componentType = AudioComponentDescription.AudioComponentType.kAudioUnitType_Output,
componentSubType = AudioComponentDescription.AudioComponentSubType.kAudioUnitSubType_RemoteIO,
componentManufacturer = AudioComponentDescription.AudioComponentManufacturerType.kAudioUnitManufacturer_Apple,
componentFlags = 0,
componentFlagsMask = 0
};
// Getting AudioComponent using the audio component description
_audioComponent = AudioComponent.FindComponent(cd);
// creating an audio unit instance
_audioUnit = AudioUnit.CreateInstance(_audioComponent);
// turning on microphone
_audioUnit.SetEnableIO(true,
AudioUnit.AudioUnitScopeType.kAudioUnitScope_Input,
1 // Remote Input
);
// setting audio format
_audioUnit.SetAudioFormat(_dstFormat,
AudioUnit.AudioUnitScopeType.kAudioUnitScope_Input,
0 // Remote Output
);
_audioUnit.SetAudioFormat(AudioUnitUtils.AUCanonicalASBD(_sampleRate, 2),
AudioUnit.AudioUnitScopeType.kAudioUnitScope_Output,
1 // Remote input
);
// setting callback method
_audioUnit.RenderCallback += new EventHandler <AudioUnitEventArgs>(_audioUnit_RenderCallback);
_audioUnit.Initialize();
_audioUnit.Start();
}
public override bool StartNotifyBeep()
{
if (!AUDIOSESSION_INITIALIZED)
{
AudioSession.Initialize();
AudioSession.Category = AudioSessionCategory.MediaPlayback;
AUDIOSESSION_INITIALIZED = true;
}
if (!AUDIOSESSION_ACTIVE)
{
AudioSession.SetActive(true);
AUDIOSESSION_ACTIVE = true;
}
var sound = SystemSound.FromFile("res/SystemAlert.wav");
sound.PlayAlertSound();
return(true);
}
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
public override void ViewDidLoad()
{
base.ViewDidLoad();
// setting button stat
_recordingButton.Enabled = true;
_playBackButton.Enabled = false;
// binding event handlers
_recordingButton.TouchUpInside += new EventHandler(_recordingButton_TouchCancel);
_playBackButton.TouchUpInside += new EventHandler(_playBackButton_TouchDown);
// getting local sound file path
var path = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
path = System.IO.Path.Combine(path, "recording.aiff");
_url = CFUrl.FromFile(path);
// setting audio session
AudioSession.Initialize();
AudioSession.SetActive(true);
}
void prepareAudioUnit()
{
// AudioSession
AudioSession.Initialize();
AudioSession.SetActive(true);
AudioSession.Category = AudioSessionCategory.PlayAndRecord;
AudioSession.PreferredHardwareIOBufferDuration = 0.005f;
// Getting AudioComponent Remote output
_audioComponent = AudioComponent.FindComponent(AudioTypeOutput.Remote);
// creating an audio unit instance
_audioUnit = new AudioUnit(_audioComponent);
// turning on microphone
_audioUnit.SetEnableIO(true,
AudioUnitScopeType.Input,
1 // Remote Input
);
// setting audio format
_audioUnit.SetAudioFormat(_dstFormat,
AudioUnitScopeType.Input,
0 // Remote Output
);
var format = AudioStreamBasicDescription.CreateLinearPCM(_sampleRate, bitsPerChannel: 32);
format.FormatFlags = AudioStreamBasicDescription.AudioFormatFlagsAudioUnitCanonical;
_audioUnit.SetAudioFormat(format, AudioUnitScopeType.Output, 1);
// setting callback method
_audioUnit.SetRenderCallback(_audioUnit_RenderCallback, AudioUnitScopeType.Global);
_audioUnit.Initialize();
_audioUnit.Start();
}
//
// This method is invoked when the application has loaded and is ready to run. In this
// method you should instantiate the window, load the UI into it and then make the window
// visible.
//
// You have 17 seconds to return from this method, or iOS will terminate your application.
//
public override bool FinishedLaunching(UIApplication application, NSDictionary launchOptions)
{
AudioSession.Initialize();
AudioSession.Interrupted += delegate {
Debug.WriteLine("Session interrupted");
ThreadStateBeginInterruption();
};
AudioSession.Resumed += delegate {
Debug.WriteLine("Session resumed");
Debug.Print(AudioSession.InterruptionType.ToString());
AudioSession.SetActive(true);
ThreadStateEndInterruption();
};
// our default category -- we change this for conversion and playback appropriately
try {
AudioSession.Category = AudioSessionCategory.SoloAmbientSound;
} catch {
Debug.Print("ERROR: Cannot change audio session category");
}
AudioSession.AudioRouteChanged += delegate(object sender, AudioSessionRouteChangeEventArgs e) {
var gg = e.PreviousInputRoute;
Debug.Print("Audio route change: {0}", e.Reason);
Debug.Print("Old route: {0}", e.PreviousOutputRoutes[0]);
Debug.Print("New route: {0}", e.CurrentOutputRoutes[0]);
};
AudioSession.SetActive(true);
return(true);
}
/// <summary>
/// Open the sound device, sets up an audio context, and makes the new context
/// the current context. Note that this method will stop the playback of
/// music that was running prior to the game start. If any error occurs, then
/// the state of the controller is reset.
/// </summary>
/// <returns>True if the sound controller was setup, and false if not.</returns>
private bool OpenSoundController()
{
#if MONOMAC || IOS
alcMacOSXMixerOutputRate(PREFERRED_MIX_RATE);
#endif
try
{
_device = Alc.OpenDevice(string.Empty);
}
catch (Exception ex)
{
_SoundInitException = ex;
return(false);
}
if (CheckALError("Could not open AL device"))
{
return(false);
}
if (_device != IntPtr.Zero)
{
#if ANDROID
// Attach activity event handlers so we can pause and resume all playing sounds
AndroidGameActivity.Paused += Activity_Paused;
AndroidGameActivity.Resumed += Activity_Resumed;
// Query the device for the ideal frequency and update buffer size so
// we can get the low latency sound path.
/*
* The recommended sequence is:
*
* Check for feature "android.hardware.audio.low_latency" using code such as this:
* import android.content.pm.PackageManager;
* ...
* PackageManager pm = getContext().getPackageManager();
* boolean claimsFeature = pm.hasSystemFeature(PackageManager.FEATURE_AUDIO_LOW_LATENCY);
* Check for API level 17 or higher, to confirm use of android.media.AudioManager.getProperty().
* Get the native or optimal output sample rate and buffer size for this device's primary output stream, using code such as this:
* import android.media.AudioManager;
* ...
* AudioManager am = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
* String sampleRate = am.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE));
* String framesPerBuffer = am.getProperty(AudioManager.PROPERTY_OUTPUT_FRAMES_PER_BUFFER));
* Note that sampleRate and framesPerBuffer are Strings. First check for null and then convert to int using Integer.parseInt().
* Now use OpenSL ES to create an AudioPlayer with PCM buffer queue data locator.
*
* See http://stackoverflow.com/questions/14842803/low-latency-audio-playback-on-android
*/
int frequency = DEFAULT_FREQUENCY;
int updateSize = DEFAULT_UPDATE_SIZE;
int updateBuffers = DEFAULT_UPDATE_BUFFER_COUNT;
if (Android.OS.Build.VERSION.SdkInt >= Android.OS.BuildVersionCodes.JellyBeanMr1)
{
Android.Util.Log.Debug("OAL", Game.Activity.PackageManager.HasSystemFeature(PackageManager.FeatureAudioLowLatency) ? "Supports low latency audio playback." : "Does not support low latency audio playback.");
var audioManager = Game.Activity.GetSystemService(Context.AudioService) as AudioManager;
if (audioManager != null)
{
var result = audioManager.GetProperty(AudioManager.PropertyOutputSampleRate);
if (!string.IsNullOrEmpty(result))
{
frequency = int.Parse(result, CultureInfo.InvariantCulture);
}
result = audioManager.GetProperty(AudioManager.PropertyOutputFramesPerBuffer);
if (!string.IsNullOrEmpty(result))
{
updateSize = int.Parse(result, CultureInfo.InvariantCulture);
}
}
// If 4.4 or higher, then we don't need to double buffer on the application side.
// See http://stackoverflow.com/a/15006327
// Use the explicit value rather than a constant as the 4.2 SDK (the build SDK) does not define a constant for 4.4.
if ((int)Android.OS.Build.VERSION.SdkInt >= 19)
{
updateBuffers = 1;
}
}
else
{
Android.Util.Log.Debug("OAL", "Android 4.2 or higher required for low latency audio playback.");
}
Android.Util.Log.Debug("OAL", "Using sample rate " + frequency + "Hz and " + updateBuffers + " buffers of " + updateSize + " frames.");
// These are missing and non-standard ALC constants
const int AlcFrequency = 0x1007;
const int AlcUpdateSize = 0x1014;
const int AlcUpdateBuffers = 0x1015;
int[] attribute = new[]
{
AlcFrequency, frequency,
AlcUpdateSize, updateSize,
AlcUpdateBuffers, updateBuffers,
0
};
#elif IOS
AudioSession.Initialize();
AudioSession.Interrupted += (sender, e) => {
AudioSession.SetActive(false);
Alc.MakeContextCurrent(ContextHandle.Zero);
Alc.SuspendContext(_context);
};
AudioSession.Resumed += (sender, e) => {
AudioSession.SetActive(true);
Alc.MakeContextCurrent(_context);
Alc.ProcessContext(_context);
};
int[] attribute = new int[0];
#elif !DESKTOPGL
int[] attribute = new int[0];
#endif
#if DESKTOPGL
_acontext = new AudioContext();
_context = Alc.GetCurrentContext();
_oggstreamer = new OggStreamer();
#else
_context = Alc.CreateContext(_device, attribute);
#endif
if (CheckALError("Could not create AL context"))
{
CleanUpOpenAL();
return(false);
}
if (_context != ContextHandle.Zero)
{
Alc.MakeContextCurrent(_context);
if (CheckALError("Could not make AL context current"))
{
CleanUpOpenAL();
return(false);
}
return(true);
}
}
return(false);
}
public ViewController(IntPtr handle) : base(handle)
{
AudioSession.Initialize();
}
public AudioSessionTest()
{
AudioSession.Initialize();
}
public PlayButtonRederer()
{
AudioSession.Initialize();
}
public SoundViewController()
: base(UserInterfaceIdiomIsPhone ? "SoundViewController_iPhone" : "SoundViewController_iPad", null)
{
AudioSession.Initialize();
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Initialize Recorder
RVM = new RecordingViewModel();
// Perform any additional setup after loading the view, typically from a nib.
// Init audio session
AudioSession.Initialize(null, NSRunLoop.NSDefaultRunLoopMode);
AudioSession.AudioRouteChanged += AudioSession_AudioRouteChanged;
// Init call event handler
callcenter.CallEventHandler += callState.CallEvent;
// Set menu button
UIImageView menuImageView = new UIImageView();
menuImageView.Bounds = new CGRect(0, 0, 20, 20);
menuImageView.Image = UIImage.FromBundle("threelines");
menuButton = new UIBarButtonItem(
menuImageView.Image,
UIBarButtonItemStyle.Plain,
(s, e) => {
System.Diagnostics.Debug.WriteLine("menu button tapped");
if (RVM.IsRecording)
{
SidebarController.ToggleMenu();
var okAlertController = UIAlertController.Create("", UiStrings.MainNotificationSuspendUserAction, UIAlertControllerStyle.Alert);
//Add Action
okAlertController.AddAction(UIAlertAction.Create(NSBundle.MainBundle.GetLocalizedString("Vernacular_P0_dialog_ok"), UIAlertActionStyle.Default, alert => {
RVM.StopRecordingCommand.Execute(null);
}));
PresentViewController(okAlertController, true, null);
}
else
{
SidebarController.ToggleMenu();
}
}
);
// Add button to item array
barButtonItems [0] = menuButton;
NavigationItem.LeftBarButtonItem = menuButton;
// Set bottom view labels
lblTitle.Text = "";
lblBody.Text = "";
// Set start button style
btnStart.SetBackgroundImage(UIImage.FromBundle("CarButton"), UIControlState.Normal);
View.BackgroundColor = StyleSettings.ThemePrimaryDarkLightenedColor();
btnStart.SetTitle("", UIControlState.Normal);
// Add square to stop || TODO: change to image
UIView stopSquare = new UIView(new RectangleF(
(float)(btnStop.Bounds.X + 15),
(float)(btnStop.Bounds.Y + 15),
(float)(btnStop.Bounds.Width - 30),
(float)(btnStop.Bounds.Height - 30))
);
// Set stop button attributes
stopButtonTranslation = btnStopBottomConstraint.Constant;
stopSquare.BackgroundColor = UIColor.White;
btnStop.SetBackgroundImage(UIImage.FromBundle("srs-stop-btn"), UIControlState.Normal);
btnStop.Layer.CornerRadius = btnStop.Bounds.Width / 2;
lblLeft.Hidden = true;
lblCenter.Hidden = true;
lblRight.Hidden = true;
// Set initial status of vehicle type & support
btnSupport.Hidden = true;
btnVehicle.Hidden = true;
lblCalibration.Hidden = true;
lblCalibration.Text = NSBundle.MainBundle.LocalizedString("Vernacular_P0_label_setup", null);
lblCalibration.TextColor = StyleSettings.SubduedTextOnDarkColor();
// Logic
btnStart.TouchUpInside += (object sender, EventArgs e) => {
if (Settings.CalibrationDone)
{
if (RVM.IsRecording)
{
return;
}
var passengerNumberPickerVC = Storyboard.InstantiateViewController("PassengerNumberPickerViewController") as PassengerNumberPickerViewController;
passengerNumberPickerVC.ModalPresentationStyle = UIModalPresentationStyle.OverCurrentContext;
passengerNumberPickerVC.ModalTransitionStyle = UIModalTransitionStyle.CoverVertical;
passengerNumberPickerVC.parentVC = this;
NavigationController.PresentViewController(passengerNumberPickerVC, true, null);
}
else
{
// TODO: warn user that calibration has to be done
}
};
btnStop.TouchUpInside += (object sender, EventArgs e) => {
UnbindFromService();
AnimateStopButton();
RVM.OnDestroy();
StopRecording();
UpdateRecordButtonUi();
UploadData();
lblCenter.Hidden = true;
};
btnVehicle.TouchUpInside += (object sender, EventArgs e) => {
OpenSettingsVC();
};
btnSupport.TouchUpInside += (object sender, EventArgs e) => {
OpenSettingsVC();
};
}
public AudioSessionTest()
{
TestRuntime.RequestMicrophonePermission();
AudioSession.Initialize();
}
public StartRecordingButtonRenderer()
{
AudioSession.Initialize();
}
public override bool FinishedLaunching(UIApplication app, NSDictionary options)
{
//
// Setup audio system
//
AudioSession.Initialize();
AudioSession.Category = AudioSessionCategory.MediaPlayback;
//
// Format description, we generate LinearPCM as short integers
//
sampleRate = AudioSession.CurrentHardwareSampleRate;
var format = new AudioStreamBasicDescription()
{
SampleRate = sampleRate,
Format = AudioFormatType.LinearPCM,
FormatFlags = AudioFormatFlags.LinearPCMIsSignedInteger | AudioFormatFlags.LinearPCMIsPacked,
BitsPerChannel = 16,
ChannelsPerFrame = 1,
BytesPerFrame = 2,
BytesPerPacket = 2,
FramesPerPacket = 1,
};
//
// Create an output queue
//
var queue = new OutputAudioQueue(format);
var bufferByteSize = (sampleRate > 16000)? 2176 : 512; // 40.5 Hz : 31.25 Hz
//
// Create three buffers, generate a tone, and output the tones
//
var buffers = new AudioQueueBuffer * [numBuffers];
for (int i = 0; i < numBuffers; i++)
{
queue.AllocateBuffer(bufferByteSize, out buffers [i]);
GenerateTone(buffers [i]);
queue.EnqueueBuffer(buffers [i], null);
}
//
// Output callback: invoked when the audio system is done with the
// buffer, this implementation merely recycles it.
//
queue.OutputCompleted += (object sender, OutputCompletedEventArgs e) => {
if (alternate)
{
outputWaveForm += 1;
if (outputWaveForm > WaveForm.Square)
{
outputWaveForm = WaveForm.Sine;
}
GenerateTone(e.UnsafeBuffer);
}
queue.EnqueueBuffer(e.UnsafeBuffer, null);
};
queue.Start();
return(true);
}
