private static extern int AVIStreamSetFormat( IntPtr aviStream, Int32 lPos, ref BITMAPINFO lpFormat, Int32 cbFormat );
unsafe private bool SetOptions( IntPtr hwnd ) {
// VIDEO
AVICOMPRESSOPTIONS opts = new AVICOMPRESSOPTIONS();
opts.fccType = 0;
opts.fccHandler = 0;
opts.dwKeyFrameEvery = 0;
opts.dwQuality = 0;
opts.dwFlags = 0;
opts.dwBytesPerSecond = 0;
opts.lpFormat = new IntPtr( 0 );
opts.cbFormat = 0;
opts.lpParms = new IntPtr( 0 );
opts.cbParms = 0;
opts.dwInterleaveEvery = 0;
AVICOMPRESSOPTIONS* p = &opts;
AVICOMPRESSOPTIONS** pp;
pp = &p;
IntPtr x = m_video;
IntPtr* ptr_ps;
ptr_ps = &x;
if ( AVISaveOptions( hwnd, 0, 1, ptr_ps, pp ) == 0 ) {
return false;
}
int hr = AVIMakeCompressedStream( out m_video_compressed, m_video, ref opts, 0 );
if ( hr != 0 ) {
throw new AviException( "AVIMakeCompressedStream; Video" );
}
m_strh_fcc = opts.fccHandler;
#if DEBUG
Console.WriteLine( "AviWriterVfw+SetOptions" );
Console.WriteLine( " opts.fccHandler=" + opts.fccHandler );
#endif
// TODO: AVISaveOptionsFree(...)
BITMAPINFO bi = new BITMAPINFO();
bi.bmiHeader.biSize = 40;
bi.bmiHeader.biWidth = (Int32)m_width;
bi.bmiHeader.biHeight = (Int32)m_height;
bi.bmiHeader.biPlanes = 1;
bi.bmiHeader.biBitCount = 24;
bi.bmiHeader.biCompression = 0;
bi.bmiHeader.biSizeImage = m_stride * m_height;
bi.bmiHeader.biXPelsPerMeter = 0;
bi.bmiHeader.biYPelsPerMeter = 0;
bi.bmiHeader.biClrUsed = 0;
bi.bmiHeader.biClrImportant = 0;
hr = AVIStreamSetFormat( m_video_compressed, 0, ref bi, sizeof( BITMAPINFO ) );
if ( hr != 0 ) {
throw new AviException( "AVIStreamSetFormat", hr );
}
#if DEBUG
Console.WriteLine( " bi.bmiHeader.biCompression=" + bi.bmiHeader.biCompression );
#endif
return true;
}
public static unsafe uint ICCompressGetFormatSize( UInt32 hic, BITMAPINFO* lpbi ) {
return ICCompressGetFormat( hic, lpbi, (BITMAPINFO*)0 );
}
public static unsafe uint ICCompressGetFormat( UInt32 hic, BITMAPINFO* lpbiInput, BITMAPINFO* lpbiOutput ) {
return (uint)ICSendMessage( hic, ICM_COMPRESS_GET_FORMAT, (IntPtr)lpbiInput, (IntPtr)lpbiOutput );
}
public static unsafe extern int ICSeqCompressFrameStart(
COMPVARS* pc,
BITMAPINFO* lpbiIn
);
