private void CustomAudioClicked(object sender, EventArgs e)
{
mediaElement.Source = null;
MediaStreamSource source = new AudioMediaStreamSource(440);
mediaElement.SetSource(source);
sourceTextBlock.Text = "custom audio";
}
public PlayerBase(MediaElement mediaElement, AudioMediaStreamSource audioStreamSource, AudioVisualizer audioVisualizer)
{
mMediaElement = mediaElement;
mAudioStreamSource = audioStreamSource;
Frames = new List <byte[]>();
mAudioVisualizer = audioVisualizer;
VisualizationRate = 1;
}
private void InitializeMedia()
{
// Start playing whatever we can get from the media controller
AudioStreamSource = new AudioMediaStreamSource(_mediaController, _mediaController.PlayedAudioFormat);
if (!IsPlaying)
{
_mediaElement.SetSource(AudioStreamSource);
_mediaElement.Play();
}
}
protected override PlayerAec GetPlayer()
{
var mediaElement = new MediaElement();
var audioStreamSource = new AudioMediaStreamSource(null, AudioFormat.Default);
mediaElement.SetSource(audioStreamSource);
var player = new PlayerAec(mediaElement, audioStreamSource, mSourceAudioVisualizer, mEchoCancelFilter);
audioStreamSource.AudioController = player;
audioStreamSource.InstanceName = "ForTestRunnerLive";
return(player);
}
// Executes when the user navigates to this page.
protected override void OnNavigatedTo(NavigationEventArgs e)
{
btnSaveSpeakers.IsEnabled = false;
btnSaveSource.IsEnabled = false;
btnPlaySource.IsEnabled = false;
btnPlaySpeakers.IsEnabled = false;
_sourceFrames = new List <byte[]>();
InitializeCaptureSource();
_mediaElement = new MediaElement();
_audioStreamSource = new AudioMediaStreamSource(null, AudioFormat.Default);
_mediaElement.SetSource(_audioStreamSource);
_player = new PlayerBase(_mediaElement, _audioStreamSource, sourceAudioVisualizer);
}
public PlayerAec(MediaElement mediaElement, AudioMediaStreamSource audioMediaStreamSource, AudioVisualizer audioVisualizer, EchoCancelFilter echoCancelFilter) :
base(mediaElement, audioMediaStreamSource, audioVisualizer)
{
mEchoCancelFilter = echoCancelFilter;
}
public void StartTimingTest()
{
// MessageBox.Show("Currently selected context = " + CurrentAudioContext.Description);
Status = "Executing timing test for context '" + CurrentAudioContext.Description + "'";
_mediaElement = new MediaElement();
_audioStreamSource = new AudioMediaStreamSource(null, AudioFormat.Default);
_captureSource.VideoCaptureDevice = null;
// Make sure we can get at the devices.
if (_captureSource.AudioCaptureDevice == null)
{
throw new InvalidOperationException("No audio capture device was found");
}
if (_captureSource.AudioCaptureDevice.DesiredFormat == null)
{
throw new InvalidOperationException("No suitable audio format was found");
}
if (!CaptureDeviceConfiguration.AllowedDeviceAccess && !CaptureDeviceConfiguration.RequestDeviceAccess())
{
throw new InvalidOperationException("Device access not granted.");
}
// Create the audio sink.
MediaConfig.Default.LocalSsrcId = 1000;
MediaStatistics = new TimingMediaStatistics();
var mediaEnvironment = new TestMediaEnvironment();
// Create the media controller
_mediaConnection = new LoopbackMediaConnection(MediaConfig.Default.LocalSsrcId);
var vqc = new VideoQualityController(MediaConfig.Default.LocalSsrcId);
_mediaController = new MediaController(MediaConfig.Default, AudioFormat.Default, MediaStatistics, mediaEnvironment, _mediaConnection, vqc);
// Create the audio sink to grab data from the microphone and send it to the media controller.
_audioSink = new TimingAudioSinkAdapter(CurrentAudioContext, _captureSource, _mediaController, MediaConfig.Default, new TestMediaEnvironment(), CurrentAudioContext.AudioFormat);
_audioSink.CaptureSuccessful += _audioSink_CaptureSuccessful;
// Create the media stream source to play data from the media controller
_audioStreamSource.AudioController = _mediaController;
_mediaElement.SetSource(_audioStreamSource);
// Connect.
_mediaController.Connect("test", ex => Deployment.Current.Dispatcher.BeginInvoke(() =>
{
if (ex != null)
{
StopTimingTest();
MessageBox.Show(ex.ToString());
}
else
{
ClientLogger.Debug("TimingViewModel connected to MediaController");
}
}));
_mediaController.RegisterRemoteSession(1001);
// Start capturing (which should trigger the audio sink).
_captureSource.Start();
if (_captureSource.State != CaptureState.Started)
{
throw new InvalidOperationException("Unable to capture microphone");
}
// Start playing.
_mediaElement.Play();
ClientLogger.Debug("CaptureSource initialized; captureSource.State={0}; captureSource.AudioCaptureDevice={1}; mediaElement.CurrentState={2}; ",
_captureSource.State, _captureSource.AudioCaptureDevice.FriendlyName, _mediaElement.CurrentState);
}
