public int AddFrame(IntPtr buffer, int index, int nSamples, int length)
{
if (!this.opened)
{
throw new InvalidOperationException();
}
if (!this.video)
{
throw new InvalidOperationException();
}
if (buffer == IntPtr.Zero)
{
throw new ArgumentException("buffer");
}
int nSamplesWrittern = 0;
IntPtr stream;
if (this.pAviCompressedStream != IntPtr.Zero)
{
// If compressor is set, use compressed stream
stream = this.pAviCompressedStream;
}
else
{
stream = this.pVideoStream;
}
int hr = Avi32Interop.AVIStreamWrite(stream, index, nSamples, buffer, length, 0, ref nSamplesWrittern, 0);
if (hr != 0)
{
throw new AviException("AVIStreamWrite", hr);
}
return(nSamplesWrittern);
}
private int AddSoundPrivate(int index, byte[] data, int nSamples)
{
int nSamplesWritten = 0;
int hr = Avi32Interop.AVIStreamWrite(this.pAudioStream, index, nSamples, data, data.Length, 0,
ref nSamplesWritten, 0);
if (hr != 0)
{
throw new AviException("AVIStreamWrite", hr);
}
return(nSamplesWritten);
}
