/// <summary>
/// Initialise the video capture and render device.
/// </summary>
private async Task SetVideoSource(VideoOptions videoSourceOpts)
{
if (videoSourceOpts.VideoSource != VideoSourcesEnum.ExternalBitmap && _videoOpts.BitmapSource != null)
{
_videoOpts.BitmapSource.OnBitmap -= LocalBitmapAvailable;
}
if (videoSourceOpts.VideoSource != VideoSourcesEnum.TestPattern && _testPatternVideoSource != null)
{
_testPatternVideoSource.SampleReady -= LocalVideoSampleAvailable;
_testPatternVideoSource.Stop();
_testPatternVideoSource = null;
}
if (videoSourceOpts.VideoSource == VideoSourcesEnum.TestPattern)
{
if (_testPatternVideoSource == null)
{
_testPatternVideoSource = new TestPatternVideoSource(videoSourceOpts.SourceFile, videoSourceOpts.SourceFramesPerSecond);
_testPatternVideoSource.SampleReady += LocalVideoSampleAvailable;
}
else
{
await _testPatternVideoSource.SetSource(videoSourceOpts.SourceFile, videoSourceOpts.SourceFramesPerSecond).ConfigureAwait(false);
}
if (_testPatternVideoSource.FramesPerSecond != 0)
{
_rtpVideoTimestampPeriod = (uint)(SDPMediaFormatInfo.GetClockRate(SDPMediaFormatsEnum.VP8) / _testPatternVideoSource.FramesPerSecond);
}
else
{
_rtpVideoTimestampPeriod = (uint)(SDPMediaFormatInfo.GetClockRate(SDPMediaFormatsEnum.VP8) / TestPatternVideoSource.DEFAULT_FRAMES_PER_SECOND);
}
}
else if (videoSourceOpts.VideoSource == VideoSourcesEnum.ExternalBitmap)
{
videoSourceOpts.BitmapSource.OnBitmap += LocalBitmapAvailable;
}
}