private void InitializeCaptureSource()
{
if (captureSource == null)
{
mediaElement = new MediaElement();
audioStreamSource = new TestAudioStreamSource(this);
mediaElement.SetSource(audioStreamSource);
// Set the audio properties.
captureSource = new CaptureSource();
captureSource.AudioCaptureDevice = CaptureDeviceConfiguration.GetDefaultAudioCaptureDevice();
if (captureSource.AudioCaptureDevice != null)
{
MediaDeviceConfig.SelectBestAudioFormat(captureSource.AudioCaptureDevice);
if (captureSource.AudioCaptureDevice.DesiredFormat != null)
{
captureSource.AudioCaptureDevice.AudioFrameSize = AudioFormat.Default.MillisecondsPerFrame; // 20 milliseconds
audioSink = new TestAudioSinkAdapter(captureSource);
audioSink.ProcessedFrameAvailable += audioSink_FrameArrived;
ClientLogger.Debug("CaptureSource initialized.");
}
else
{
ClientLogger.Debug("No suitable audio format was found.");
}
}
else
{
// Do something more here eventually, once we figure out what the user experience should be.
ClientLogger.Debug("No audio capture device was found.");
}
}
}
private void InitializeCaptureSource()
{
if (captureSource != null)
{
captureSource.Stop();
}
captureSource = new CaptureSource();
captureSource.AudioCaptureDevice = (AudioCaptureDevice)listBoxAudioSources.SelectedItem;
MediaDeviceConfig.SelectBestAudioFormat(captureSource.AudioCaptureDevice);
captureSource.AudioCaptureDevice.DesiredFormat = captureSource.AudioCaptureDevice.SupportedFormats
.First(format => format.BitsPerSample == AudioConstants.BitsPerSample &&
format.WaveFormat == WaveFormatType.Pcm &&
format.Channels == 1 &&
format.SamplesPerSecond == sampleRate);
captureSource.AudioCaptureDevice.AudioFrameSize = AudioFormat.Default.MillisecondsPerFrame; // 20 milliseconds
audioSink = new TestAudioSinkAdapter(captureSource, new NullAudioController());
audioSink.RawFrameAvailable += audioSink_RawFrameAvailable;
audioSink.ProcessedFrameAvailable += audioSink_FrameArrived;
ClientLogger.Debug("Checking device access.");
if (CaptureDeviceConfiguration.AllowedDeviceAccess || CaptureDeviceConfiguration.RequestDeviceAccess())
{
savedFramesForDebug = new List <byte[]>();
captureSource.Start();
ClientLogger.Debug("CaptureSource started.");
}
}
private void InitializeCaptureSource()
{
ClientLogger.Debug("AudioLoopbackTest:InitializeCaptureSource()");
if (_captureSource != null)
{
_captureSource.Stop();
}
_captureSource = new CaptureSource();
_captureSource.AudioCaptureDevice = (AudioCaptureDevice)lstAudioInputDevices.SelectedItem;
_captureSource.VideoCaptureDevice = (VideoCaptureDevice)lstVideoInputDevices.SelectedItem;
_mediaElement = new MediaElement();
_audioStreamSource = new TestAudioStreamSource(this);
// Set the audio properties.
if (_captureSource.AudioCaptureDevice != null)
{
MediaDeviceConfig.SelectBestAudioFormat(_captureSource.AudioCaptureDevice);
if (_captureSource.AudioCaptureDevice.DesiredFormat != null)
{
_captureSource.AudioCaptureDevice.AudioFrameSize = _audioFormat.MillisecondsPerFrame; // 20 milliseconds
_audioSink = new TestAudioSinkAdapter(_captureSource, new NullAudioController());
_audioSink.RawFrameAvailable += audioSink_RawFrameAvailable;
_audioSink.ProcessedFrameAvailable += audioSink_FrameArrived;
ClientLogger.Debug("CaptureSource initialized.");
}
else
{
ClientLogger.Debug("No suitable audio format was found.");
}
ClientLogger.Debug("Checking device access.");
if (CaptureDeviceConfiguration.AllowedDeviceAccess || CaptureDeviceConfiguration.RequestDeviceAccess())
{
ClientLogger.Debug("AudioLoopbackTest CaptureSource starting with audio device {0}, video device {1}.",
_captureSource.AudioCaptureDevice.FriendlyName, _captureSource.VideoCaptureDevice.FriendlyName);
_captureSource.Start();
ClientLogger.Debug("CaptureSource started; setting media element source.");
_mediaElement.SetSource(_audioStreamSource);
ClientLogger.Debug("MediaElement source set; telling media element to play.");
_mediaElement.Play();
}
}
else
{
// Do something more here eventually, once we figure out what the user experience should be.
ClientLogger.Debug("No audio capture device was found.");
}
}