protected override async Task CloseMayOverrideAsync()
{
await StopRecordingAsync().ConfigureAwait(false);
SemaphoreSlimSafeRelease.TryDispose(_recordLockingSemaphore);
_recordLockingSemaphore = null;
var mc = _mediaCapture;
if (mc != null)
{
mc.Failed -= OnMediaCapture_Failed;
try
{
mc.Dispose();
}
catch { }
}
_mediaCapture = null;
var audioRecorder = _audioRecorder;
if (audioRecorder != null)
{
audioRecorder.UnrecoverableError -= OnAudioRecorder_UnrecoverableError;
await audioRecorder.CloseAsync();
}
_audioRecorder = null;
Task stopAllAnims = RunInUiThreadAsync(delegate
{
RecordingStoryboard.SkipToFill();
RecordingStoryboard.Stop();
FailureStoryboard.SkipToFill();
FailureStoryboard.Stop();
});
}
private async Task<bool> StartRecordingAsync(StorageFile file)
{
bool isOk = false;
Task stb = RunInUiThreadAsync(delegate
{
RecordingStoryboard.Begin();
});
try
{
_audioRecorder = new AudioRecorder(this, file);
_audioRecorder.UnrecoverableError += OnAudioRecorder_UnrecoverableError;
await _audioRecorder.OpenAsync();
// adjust the microphone volume. You need MediaCapture, apparently, and she needs STAThread. Ridiculous.
_mediaCapture = new MediaCapture();
// LOLLO NOTE the following fails with the phone
// var settings = new MediaCaptureInitializationSettings { AudioDeviceId = RuntimeData.Instance?.AudioDevice?.Id, MediaCategory = MediaCategory.Other, StreamingCaptureMode = StreamingCaptureMode.Audio };
// the following works with the phone
var settings = new MediaCaptureInitializationSettings { StreamingCaptureMode = StreamingCaptureMode.Audio };
_mediaCapture.Failed += OnMediaCapture_Failed;
await _mediaCapture.InitializeAsync(settings);
_mediaCapture.AudioDeviceController.Muted = false;
_mediaCapture.AudioDeviceController.VolumePercent = (float)VolumeSlider.Value;
//_mediaCapture.AudioDeviceController.VolumePercent = 100.0F;
// The following is useless, it was a feeble attempt at getting a graphical display of audio levels. It fails, don't use it.
//await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, delegate { PreviewControl.Source = _mediaCapture; });
//await _mediaCapture.StartPreviewAsync();
IsRecording = true;
isOk = await _audioRecorder.StartRecordingAsync().ConfigureAwait(false);
if (!isOk)
{
await Logger.AddAsync("AudioRecordingCannotStart", Logger.ForegroundLogFilename);
NotifyOfFailure(RuntimeData.GetText("AudioRecordingCannotStart"));
}
}
catch (Exception ex)
{
isOk = false;
await Logger.AddAsync(ex.ToString(), Logger.ForegroundLogFilename);
NotifyOfFailure(ex.Message);
}
return isOk;
}
