private static AVIStreamHeader ParseStreamHeader(AtomicBinaryReader br, long p)
{
var strh = new AVIStreamHeader();
strh.fccType = br.ReadUInt32(ref p);
strh.fccHandler = br.ReadUInt32(ref p);
strh.dwFlags = br.ReadUInt32(ref p);
strh.wPriority = br.ReadUInt16(ref p);
strh.wLanguage = br.ReadUInt16(ref p);
strh.dwInitialFrames = br.ReadUInt32(ref p);
strh.dwScale = br.ReadUInt32(ref p);
strh.dwRate = br.ReadUInt32(ref p);
strh.dwStart = br.ReadUInt32(ref p);
strh.dwLength = br.ReadUInt32(ref p);
strh.dwSuggestedBufferSize = br.ReadUInt32(ref p);
strh.dwQuality = br.ReadUInt32(ref p);
strh.dwSampleSize = br.ReadUInt32(ref p);
strh.rcFrameLeft = br.ReadInt16(ref p);
strh.rcFrameTop = br.ReadInt16(ref p);
strh.rcFrameRight = br.ReadInt16(ref p);
strh.rcFrameBottom = br.ReadInt16(ref p);
return(strh);
}
private void ProcessAviChunk(RiffParser rp, uint fourCC, int unpaddedLength, int paddedLength)
{
//Debug.Log("CHUNK " + RiffParser.FromFourCC(fourCC) + " " + rp.Position + " " + unpaddedLength + " " + paddedLength);
switch (fourCC)
{
case ID_avih:
avi.avih = ParseMainHeader(rp.reader, rp.Position);
break;
case ID_strh:
AVIStreamHeader strh = ParseStreamHeader(rp.reader, rp.Position);
currentStrh4CC = strh.fccType;
if (currentStrh4CC == FCC_vids)
{
avi.strhVideo = strh;
}
else if (currentStrh4CC == FCC_auds)
{
avi.strhAudio = strh;
}
else
{
#if MP_DEBUG
Debug.LogWarning("Skipping unknown stream header with fccType=" + currentStrh4CC);
#endif
}
break;
case ID_strf:
if (currentStrh4CC == FCC_vids)
{
avi.strfVideo = ParseVideoFormatHeader(rp.reader, rp.Position);
}
else if (currentStrh4CC == FCC_auds)
{
avi.strfAudio = ParseAudioFormatHeader(rp.reader, rp.Position);
}
break;
case ID_idx1:
idx1Offset = rp.Position;
idx1Size = unpaddedLength;
// index.idx1 will be filled later in ParseIndex method
break;
case ID_dmlh: // OpenDML header
avi.odml = ParseOdmlHeader(rp.reader, rp.Position);
break;
case ID_indx: // OpenDML index
uint streamId;
var index = ParseOdmlIndex(rp.reader, rp.Position, out streamId);
if (streamId == ID_00dc || streamId == ID_00db)
{
avi.videoIndex = index;
}
else if (streamId == ID_01wb)
{
avi.audioIndex = index;
}
#if MP_DEBUG
else
{
Debug.LogWarning("Ignoring index for unknown stream " + RiffParser.FromFourCC(streamId));
}
#endif
break;
#if MP_DEBUG
default:
// comment in for logging chunks that are ignored (not relevant for us)
//Debug.Log("Ignoring CHUNK " + RiffParser.FromFourCC(fourCC) + " " + unpaddedLength + " " + paddedLength);
break;
#endif
}
}
