public static void MakeFileFromStream(String fileName, AviStream stream) {
IntPtr newFile = IntPtr.Zero;
IntPtr streamPointer = stream.StreamPointer;
Avi.AVICOMPRESSOPTIONS_CLASS opts = new Avi.AVICOMPRESSOPTIONS_CLASS();
opts.fccType = (uint)Avi.streamtypeVIDEO;
opts.lpParms = IntPtr.Zero;
opts.lpFormat = IntPtr.Zero;
Avi.AVISaveOptions(IntPtr.Zero, Avi.ICMF_CHOOSE_KEYFRAME | Avi.ICMF_CHOOSE_DATARATE, 1, ref streamPointer, ref opts);
Avi.AVISaveOptionsFree(1, ref opts);
Avi.AVISaveV(fileName, 0, 0, 1, ref streamPointer, ref opts);
}
/// <summary>Copy the stream into a new file</summary>
/// <param name="fileName">Name of the new file</param>
public override void ExportStream(String fileName) {
Avi.AVICOMPRESSOPTIONS_CLASS opts = new Avi.AVICOMPRESSOPTIONS_CLASS {
fccType = (uint)Avi.streamtypeVIDEO,
lpParms = IntPtr.Zero,
lpFormat = IntPtr.Zero
};
IntPtr streamPointer = StreamPointer;
Avi.AVISaveOptions(IntPtr.Zero, Avi.ICMF_CHOOSE_KEYFRAME | Avi.ICMF_CHOOSE_DATARATE, 1, ref streamPointer, ref opts);
Avi.AVISaveOptionsFree(1, ref opts);
Avi.AVISaveV(fileName, 0, 0, 1, ref aviStream, ref opts);
}
/// <summary>Copy the stream into a new file</summary>
/// <param name="fileName">Name of the new file</param>
public override void ExportStream(String fileName) {
Avi.AVICOMPRESSOPTIONS_CLASS opts = new Avi.AVICOMPRESSOPTIONS_CLASS {
fccType = (UInt32) Avi.mmioStringToFOURCC("auds", 0),
fccHandler = (UInt32) Avi.mmioStringToFOURCC("CAUD", 0),
dwKeyFrameEvery = 0,
dwQuality = 0,
dwFlags = 0,
dwBytesPerSecond = 0,
lpFormat = new IntPtr(0),
cbFormat = 0,
lpParms = new IntPtr(0),
cbParms = 0,
dwInterleaveEvery = 0
};
Avi.AVISaveV(fileName, 0, 0, 1, ref aviStream, ref opts);
}
/// <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 {
fccType = (uint)Avi.streamtypeVIDEO,
lpParms = IntPtr.Zero,
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
compressOptions = options.ToStruct();
int result = Avi.AVIMakeCompressedStream(out compressedStream, aviStream, ref compressOptions, 0);
if (result != 0) {
throw new Exception("Exception in AVIMakeCompressedStream: " + result);
}
SetFormat(compressedStream);
}
