internal VideoParams265(TrackEntry videoTrack)
{
// File.WriteAllBytes( @"C:\Temp\2remove\mkv\videoPrivateData.bin", videoTrack.codecPrivate );
ReadOnlySpan <byte> codecPrivate = videoTrack.codecPrivate.AsSpan();
int cbHeader = Marshal.SizeOf <NativeStruct>();
NativeStruct ns = codecPrivate.Slice(0, cbHeader).cast <NativeStruct>()[0];
codecPrivate = codecPrivate.Slice(cbHeader);
chromaFormat = (eChromaFormat)ns.chromaFormatIndex;
arrays = new ConfigArray[ns.numOfArrays];
for (int i = 0; i < ns.numOfArrays; i++)
{
var ca = new ConfigArray(ref codecPrivate);
arrays[i] = ca;
}
parsedVps = blobs(eNaluType.VPS)
.Select(arr => new VideoParameterSet(arr.AsSpan()))
.ToDictionary(v => v.vps_video_parameter_set_id);
parsedSps = blobs(eNaluType.SPS)
.Select(arr => new SequenceParameterSet(arr.AsSpan(), parsedVps))
.ToArray();
parsedPps = blobs(eNaluType.PPS)
.Select(arr => new PictureParameterSet(arr.AsSpan()))
.ToArray();
if (chromaFormat == eChromaFormat.Unknown)
{
chromaFormat = parsedSps[0].chromaFormat;
}
else if (parsedSps[0].chromaFormat != eChromaFormat.Unknown && parsedSps[0].chromaFormat != chromaFormat)
{
throw new ApplicationException("Different parameter sets disagree on the chroma format");
}
}
internal VideoParams264(TrackEntry videoTrack)
{
// File.WriteAllBytes( @"C:\Temp\2remove\mkv\videoPrivateData.bin", videoTrack.codecPrivate );
ReadOnlySpan <byte> codecPrivate = videoTrack.codecPrivate.AsSpan();
int cbHeader = Marshal.SizeOf <NativeStruct>();
NativeStruct ns = codecPrivate.Slice(0, cbHeader).cast <NativeStruct>()[0];
profile = ns.profileCode;
profileCompatibility = ns.profileCompatibility;
levelCode = ns.levelCode;
int offset = cbHeader;
sps = ContainerUtils.copyBlobs(ns.numOfSequenceParameterSets, codecPrivate, ref offset);
// File.WriteAllBytes( @"C:\Temp\2remove\mkv\sps.bin", sps[ 0 ] );
int ppsCount = codecPrivate[offset++];
pps = ContainerUtils.copyBlobs(ppsCount, codecPrivate, ref offset);
ReadOnlySpan <byte> spsBlob = sps[0].AsSpan();
if (MiscUtils.getNaluType(spsBlob[0]) != eNaluType.SPS)
{
throw new ApplicationException("The SPS is invalid, wrong NALU type");
}
spsBlob = spsBlob.Slice(1);
BitReader spsReader = new BitReader(spsBlob);
parsedSps = new SequenceParameterSet(ref spsReader);
chromaFormat = parsedSps.chromaFormat;
bitDepthLuma = parsedSps.bitDepthLuma;
bitDepthChroma = parsedSps.bitDepthChroma;
m_decodedSize = new sDecodedVideoSize(parsedSps.decodedSize, parsedSps.cropRectangle, chromaFormat);
}
public AudioReader(MkvMediaFile file, TrackEntry track) :
base(file, track)
{
}
public AudioTrack(MkvMediaFile file, TrackEntry track)
{
this.file = file;
this.track = track;
info = new TrackInfo(track);
}
public static int find(MkvMediaFile file, TrackEntry track, CSize size)
{
int pixels = size.cx * size.cy;
return(pixels * maxBitsPerPixel / 8);
}
