public TrackEntry findVideoTrack()
{
if (null == this.tracks)
{
throw new ArgumentException("No tracks found in that file");
}
TrackEntry[] tracks = this.tracks.SelectMany(t => t.trackEntry)
.Where(e => e.trackType == eTrackType.Video)
.ToArray();
if (tracks.Length < 1)
{
throw new ArgumentException("No video tracks found in that file");
}
TrackEntry videoTrack;
videoTrack = tracks[0];
if (tracks.Length > 1)
{
Logger.logWarning("Multiple video tracks, using the first one");
}
switch (videoTrack.codecID)
{
case "V_MPEG4/ISO/AVC":
videoCodec = eVideoCodec.h264;
break;
case "V_MPEGH/ISO/HEVC":
videoCodec = eVideoCodec.h265;
throw new NotSupportedException($"h265 video codec is not supported");
// break;
default:
throw new ArgumentException($"The video codec, \"{ videoTrack.codecID }\", is not supported by the library.");
}
if (null == videoTrack.codecPrivate)
{
throw new NotSupportedException($"The MKV is lacking private data of the h264 codec");
}
return(videoTrack);
}
public VideoTrack(MkvMediaFile file, TrackEntry track)
{
this.file = file;
this.track = track;
videoCodec = file.segment.videoCodec;
switch (videoCodec)
{
case eVideoCodec.h264:
videoParams = new VideoParams264(track);
break;
case eVideoCodec.h265:
videoParams = new VideoParams265(track);
break;
default:
throw new ApplicationException("Unexpected eVideoCodec value");
}
maxBytesInFrame = MaxEncodedSize.find(file, track, videoParams.decodedSize.size);
}
