/// <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); }
/// <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); //Avi.AVISaveOptionsFree(1, 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.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 //this.compressOptions = options.ToStruct(); this.compressOptions = opts; int result = Avi.AVIMakeCompressedStream(out compressedStream, aviStream, ref compressOptions, 0); if (result != 0) { throw new Exception("Exception in AVIMakeCompressedStream: " + result.ToString()); } SetFormat(compressedStream); }