void SyncWriteFileHeader()
{
riffChunk = new RiffChunk(this.stream);
riffChunk.WriteFourCC(RiffAviFourCCCode.Avi);
RiffChunk listHdrl = riffChunk.AddChild(RiffAviFourCCCode.List);
listHdrl.WriteFourCC(RiffAviFourCCCode.Hdrl);
RiffChunk avihChunk = listHdrl.AddChild(RiffAviFourCCCode.Avih);
WriteAvihHeaderStructure(avihChunk);
avihChunk.Close();
RiffChunk listStrl = listHdrl.AddChild(RiffAviFourCCCode.List);
listStrl.WriteFourCC(RiffAviFourCCCode.Strl);
RiffChunk strhChunk = listStrl.AddChild(RiffAviFourCCCode.Strh);
WriteStrhHeaderStructure(strhChunk);
strhChunk.Close();
RiffChunk strfChunk = listStrl.AddChild(RiffAviFourCCCode.Strf);
WriteStrfHeaderStructure(strfChunk);
strfChunk.Close();
listStrl.Close();
listHdrl.Close();
listMovi = riffChunk.AddChild(RiffAviFourCCCode.List);
listMovi.WriteFourCC(RiffAviFourCCCode.Movi);
}
void WriteStrhHeaderStructure(RiffChunk chunk)
{
chunk.WriteFourCC(RiffAviFourCCCode.Vids); // 'vids'
chunk.WriteFourCC(RiffAviFourCCCode.Dib); // 'DIB '
chunk.WriteDWORD(0); // flags
chunk.WriteWORD(0); // priority
chunk.WriteWORD(0); // language
chunk.WriteDWORD(0); // initial frames
chunk.WriteDWORD(1); // scale
chunk.WriteDWORD(framesPerSecond); // rate
chunk.WriteDWORD(0); // start
strhFrameCountBookmark =
chunk.WriteAndBookmarkDWORD(0); // frameCount
chunk.WriteDWORD(width * height * 4); // suggested buffer size
chunk.WriteDWORD(0); // quality
chunk.WriteDWORD(0); // sample size
chunk.WriteDWORD(0); // left
chunk.WriteDWORD(0); // top
chunk.WriteDWORD((ushort)width); // right
chunk.WriteDWORD((ushort)height); // bottom
}
