/// <summary>Create a compressed stream from an uncompressed stream</summary>
private void CreateCompressedStream()
{
//display the compression options dialog...
//Avi.AVICOMPRESSOPTIONS_CLASS options = new Avi.AVICOMPRESSOPTIONS_CLASS();
//options.fccType = (uint)Avi.streamtypeVIDEO;
//options.lpParms = IntPtr.Zero;
//options.lpFormat = IntPtr.Zero;
//Avi.AVISaveOptions(IntPtr.Zero, Avi.ICMF_CHOOSE_KEYFRAME | Avi.ICMF_CHOOSE_DATARATE, 1, ref aviStream, ref options);
//..or set static options
/*Avi.AVICOMPRESSOPTIONS opts = new Avi.AVICOMPRESSOPTIONS();
* opts.fccType = (UInt32)Avi.mmioStringToFOURCC("vids", 0);
* opts.fccHandler = (UInt32)Avi.mmioStringToFOURCC("CVID", 0);
* opts.fccType = (UInt32)Avi.mmioStringToFOURCC("mrle", 0);
* opts.fccHandler = (UInt32)Avi.mmioStringToFOURCC("MRLE", 0);
*
* opts.dwKeyFrameEvery = 0;
* opts.dwQuality = 0; // 0 .. 10000
* opts.dwFlags = 0; // AVICOMRPESSF_KEYFRAMES = 4
* opts.dwBytesPerSecond= 0;
* opts.lpFormat = new IntPtr(0);
* opts.cbFormat = 0;
* opts.lpParms = new IntPtr(0);
* opts.cbParms = 0;
* opts.dwInterleaveEvery = 0;*/
//get the compressed stream
Avi.AVICOMPRESSOPTIONS opts = new Avi.AVICOMPRESSOPTIONS();
opts.fccType = 0;
opts.fccHandler = (int)0x6376736d;
opts.dwKeyFrameEvery = 25;
opts.dwQuality = 10000;
opts.dwFlags = 8;
opts.dwBytesPerSecond = 0;
opts.lpFormat = new IntPtr(0);
opts.cbFormat = 0;
opts.lpParms = new IntPtr(0);
opts.cbParms = 4;
opts.dwInterleaveEvery = 0;
opts.lpParms = Marshal.AllocHGlobal(sizeof(int));
//AVISaveOptions(0, 0, 1, ptr_ps, pp);
//this.compressOptions = options.ToStruct();
int result = Avi.AVIMakeCompressedStream(out compressedStream, aviStream, ref opts, 0);
if (result != 0)
{
throw new Exception("Exception in AVIMakeCompressedStream: " + result.ToString());
}
//Avi.AVISaveOptionsFree(1, ref opts);
SetFormat(compressedStream, 0);
}
/// <summary>Create a compressed stream from an uncompressed stream</summary>
private void CreateCompressedStream(Avi.AVICOMPRESSOPTIONS options)
{
int result = Avi.AVIMakeCompressedStream(out compressedStream, aviStream, ref options, 0);
if (result != 0)
{
throw new Exception("Exception in AVIMakeCompressedStream: " + result.ToString());
}
this.compressOptions = options;
SetFormat(compressedStream, 0);
}