private void InitializeCaptureSource()
{
if (mCaptureSource == null)
{
// Setup the capture source (for recording audio)
mCaptureSource = new CaptureSource {
VideoCaptureDevice = CaptureDeviceConfiguration.GetDefaultVideoCaptureDevice()
};
if (mCaptureSource.VideoCaptureDevice != null)
{
MediaDeviceConfig.SelectBestVideoFormat(mCaptureSource.VideoCaptureDevice);
if (mCaptureSource.AudioCaptureDevice.DesiredFormat != null)
{
mCaptureSource.AudioCaptureDevice.AudioFrameSize = AudioConstants.MillisecondsPerFrame; // 20 milliseconds
mVideoSink = new VideoSinkAdapter(mCaptureSource, mRecorder, mVideoQualityController);
ClientLogger.Debug("CaptureSource initialized.");
}
else
{
ClientLogger.Debug("No suitable audio format was found.");
}
panelWebcam.DataContext = mCaptureSource;
}
else
{
// Do something more here eventually, once we figure out what the user experience should be.
ClientLogger.Debug("No audio capture device was found.");
}
}
}
// Executes when the user navigates to this page.
protected override void OnNavigatedTo(NavigationEventArgs e)
{
btnSaveRaw.IsEnabled = false;
btnPlayRaw.IsEnabled = false;
videoCapture.Height = VideoConstants.Height;
videoCapture.Width = VideoConstants.Width;
mRawMediaElement.Height = VideoConstants.Height;
mRawMediaElement.Width = VideoConstants.Width;
mProcessedMediaElement.Height = VideoConstants.Height;
mProcessedMediaElement.Width = VideoConstants.Width;
// Initialize and capture the webcam.
InitializeCaptureSource();
CaptureSelectedInputDevices();
var videoBrush = new VideoBrush();
videoBrush.SetSource(mCaptureSource);
videoCapture.Fill = videoBrush;
// Setup the recorder
mVideoQualityController = new TestVideoQualityController();
mRecorder = new Recorder();
mVideoSink = new VideoSinkAdapter(mCaptureSource, mRecorder, mVideoQualityController);
lblFramesRecorded.DataContext = mRecorder;
}
