private static Track Transform(TSStream stream, int index, ref int numVideo, ref int numAudio, ref int numSubtitle)
{
var videoStream = stream as TSVideoStream;
var audioStream = stream as TSAudioStream;
var subtitleStream = stream as TSGraphicsStream;
var indexOfType = 0;
if (videoStream != null)
{
indexOfType = numVideo++;
}
if (audioStream != null)
{
indexOfType = numAudio++;
}
if (subtitleStream != null)
{
indexOfType = numSubtitle++;
}
return(new Track
{
Index = index,
PID = stream.PID,
Language = stream.Language,
IsHidden = stream.IsHidden,
Codec = CodecTransformer.CodecFromStream(stream),
IsVideo = stream.IsVideoStream,
IsAudio = stream.IsAudioStream,
IsSubtitle = stream.IsGraphicsStream || stream.IsTextStream,
ChannelCount = audioStream != null ? audioStream.ChannelCountDouble : 0,
BitDepth = audioStream != null ? audioStream.BitDepth : 0,
VideoFormat = videoStream != null ? videoStream.VideoFormat : 0,
FrameRate = videoStream != null ? videoStream.FrameRate : TSFrameRate.Unknown,
AspectRatio = videoStream != null ? videoStream.AspectRatio : TSAspectRatio.Unknown,
IndexOfType = indexOfType
});
}
public static Codec CodecFromStream(TSStream stream)
{
if (stream == null)
{
return(Codec.UnknownCodec);
}
var audioStream = stream as TSAudioStream;
switch (stream.StreamType)
{
case TSStreamType.MPEG1_VIDEO:
return(Codec.MPEG1Video);
case TSStreamType.MPEG2_VIDEO:
return(Codec.MPEG2Video);
case TSStreamType.AVC_VIDEO:
return(Codec.AVC);
case TSStreamType.MVC_VIDEO:
return(Codec.UnknownVideo);
case TSStreamType.VC1_VIDEO:
return(Codec.VC1);
case TSStreamType.MPEG1_AUDIO:
return(Codec.MP3);
case TSStreamType.MPEG2_AUDIO:
return(Codec.UnknownAudio);
case TSStreamType.LPCM_AUDIO:
return(Codec.LPCM);
case TSStreamType.AC3_AUDIO:
if (audioStream != null && audioStream.AudioMode == TSAudioMode.Extended)
{
return(Codec.AC3EX);
}
if (audioStream != null && audioStream.AudioMode == TSAudioMode.Surround)
{
return(Codec.ProLogic);
}
return(Codec.AC3);
case TSStreamType.AC3_PLUS_AUDIO:
case TSStreamType.AC3_PLUS_SECONDARY_AUDIO:
return(Codec.EAC3);
case TSStreamType.AC3_TRUE_HD_AUDIO:
return(Codec.TrueHD);
case TSStreamType.DTS_AUDIO:
if (audioStream != null && audioStream.AudioMode == TSAudioMode.Extended)
{
return(Codec.DTSES);
}
return(Codec.DTS);
case TSStreamType.DTS_HD_AUDIO:
return(Codec.DTSHDHRA);
case TSStreamType.DTS_HD_SECONDARY_AUDIO:
return(Codec.DTSExpress);
case TSStreamType.DTS_HD_MASTER_AUDIO:
return(Codec.DTSHDMA);
case TSStreamType.PRESENTATION_GRAPHICS:
return(Codec.PGS);
case TSStreamType.INTERACTIVE_GRAPHICS:
return(Codec.IGS);
case TSStreamType.SUBTITLE:
return(Codec.UnknownSubtitle);
default:
return(Codec.UnknownCodec);
}
}
private static bool IsDefaultAngle(TSStream tsStream)
{
return(tsStream.AngleIndex == 0);
}
