async public void Toggle(Windows.UI.Xaml.Controls.CaptureElement preview)
{
if (CallState == CallState.NoCall)
{
// Start call
voipCall = voipCallCoordinator.RequestNewOutgoingCall("/ActiveCallContext", "Jack And Jill", "Whazzuuupppp", Windows.ApplicationModel.Calls.VoipPhoneCallMedia.Audio);
captureElement = new Windows.Media.Capture.MediaCapture();
await captureElement.InitializeAsync();
preview.Source = captureElement;
await captureElement.StartPreviewAsync();
voipCall.NotifyCallActive();
CallState = CallState.InCall;
}
else if (CallState == CallState.InCall)
{
// Stop call
await captureElement.StopPreviewAsync();
preview.Source = null;
captureElement.Dispose();
captureElement = null;
voipCall.NotifyCallEnded();
voipCall = null;
CallState = CallState.NoCall;
}
}
/// <summary>
/// Cleans up the microphone resources and the stream and unregisters from MediaCapture events
/// </summary>
/// <returns>true if successful</returns>
public async System.Threading.Tasks.Task <bool> CleanupRecording()
{
if (isRecordingInitialized)
{
// If a recording is in progress during cleanup, stop it to save the recording
if (isRecording)
{
await StopRecording();
}
isRecordingInitialized = false;
}
if (mediaCapture != null)
{
mediaCapture.RecordLimitationExceeded -= mediaCapture_RecordLimitationExceeded;
mediaCapture.Failed -= mediaCapture_Failed;
mediaCapture.Dispose();
mediaCapture = null;
}
if (STTStream != null)
{
STTStream.BufferReady -= STTStream_BufferReady;
STTStream.AudioLevel -= STTStream_AudioLevel;
STTStream.Dispose();
STTStream = null;
}
return(true);
}