protected virtual IMFSourceReader CreateReader(MediaFoundationReader.MediaFoundationReaderSettings settings)
{
IMFSourceReader imfsourceReader;
MediaFoundationInterop.MFCreateSourceReaderFromURL(this.file, null, out imfsourceReader);
imfsourceReader.SetStreamSelection(-2, false);
imfsourceReader.SetStreamSelection(-3, true);
MediaType mediaType = new MediaType();
mediaType.MajorType = MediaTypes.MFMediaType_Audio;
mediaType.SubType = (settings.RequestFloatOutput ? AudioSubtypes.MFAudioFormat_Float : AudioSubtypes.MFAudioFormat_PCM);
imfsourceReader.SetCurrentMediaType(-3, IntPtr.Zero, mediaType.MediaFoundationObject);
return(imfsourceReader);
}
public MediaFoundationReader(string file, MediaFoundationReader.MediaFoundationReaderSettings settings)
{
MediaFoundationApi.Startup();
this.settings = settings;
this.file = file;
IMFSourceReader imfsourceReader = this.CreateReader(settings);
this.waveFormat = this.GetCurrentWaveFormat(imfsourceReader);
imfsourceReader.SetStreamSelection(-3, true);
this.length = this.GetLength(imfsourceReader);
if (settings.SingleReaderObject)
{
this.pReader = imfsourceReader;
}
}
