public AudioStream(int filePtr, IntPtr streamPtr)
: base(filePtr, streamPtr)
{
int size = Marshal.SizeOf(waveFormat);
AviInterop.AVIStreamReadFormat(StreamPointer, 0, ref waveFormat, ref size);
}
public VideoStream(int filePtr, IntPtr streamPtr)
: base(filePtr, streamPtr)
{
var bih = new AviInterop.BitmapInfoHeader();
int size = Marshal.SizeOf(bih);
AviInterop.AVIStreamReadFormat(StreamPointer, 0, ref bih, ref size);
AviInterop.StreamInfo streamInfo = GetStreamInfo();
FrameRate = streamInfo.dwRate / (float)streamInfo.dwScale;
Width = streamInfo.rcFrame.right;
Height = streamInfo.rcFrame.bottom;
FrameSize = bih.biSizeImage;
CountBitsPerPixel = CalculateBitsPerPixel(bih.biBitCount);
FirstFrame = AviInterop.AVIStreamStart(StreamPointer);
CountFrames = AviInterop.AVIStreamLength(StreamPointer);
}