private static void LogSourceTypes(SourceReader sourceReader)
{
int streamIndex = 0;
while (true)
{
bool invalidStreamNumber = false;
int _streamIndex = -1;
for (int mediaIndex = 0; ; mediaIndex++)
{
try
{
var nativeMediaType = sourceReader.GetNativeMediaType(streamIndex, mediaIndex);
if (_streamIndex != streamIndex)
{
_streamIndex = streamIndex;
Console.WriteLine("====================== StreamIndex#" + streamIndex + "=====================");
}
Console.WriteLine(MfTool.LogMediaType(nativeMediaType));
nativeMediaType?.Dispose();
}
catch (SharpDX.SharpDXException ex)
{
if (ex.ResultCode == SharpDX.MediaFoundation.ResultCode.NoMoreTypes)
{
Console.WriteLine("");
break;
}
else if (ex.ResultCode == SharpDX.MediaFoundation.ResultCode.InvalidStreamNumber)
{
invalidStreamNumber = true;
break;
}
else
{
throw;
}
}
}
if (invalidStreamNumber)
{
break;
}
streamIndex++;
}
}
private void Initialize(SourceReader reader)
{
// Invalidate selection for all streams
reader.SetStreamSelection(SourceReaderIndex.AllStreams, false);
// Select only audio stream
reader.SetStreamSelection(SourceReaderIndex.FirstAudioStream, true);
// Get the media type for the current stream.
using (var mediaType = reader.GetNativeMediaType(SourceReaderIndex.FirstAudioStream, 0))
{
var majorType = mediaType.Get(MediaTypeAttributeKeys.MajorType);
if (majorType != MediaTypeGuids.Audio)
throw new InvalidOperationException("Input stream doesn't contain an audio stream.");
}
// Set the type on the source reader to use PCM
using (var partialType = new MediaType())
{
partialType.Set(MediaTypeAttributeKeys.MajorType, MediaTypeGuids.Audio);
partialType.Set(MediaTypeAttributeKeys.Subtype, AudioFormatGuids.Pcm);
reader.SetCurrentMediaType(SourceReaderIndex.FirstAudioStream, partialType);
}
// Retrieve back the real media type
using (var realMediaType = reader.GetCurrentMediaType(SourceReaderIndex.FirstAudioStream))
{
int sizeRef;
WaveFormat = realMediaType.ExtracttWaveFormat(out sizeRef);
}
Duration = new TimeSpan(reader.GetPresentationAttribute(SourceReaderIndex.MediaSource, PresentationDescriptionAttributeKeys.Duration));
}
