public Bitmap ReadFrameBitmap(AviSynthClip asc, int position)
{
Bitmap bmp = null;
try
{
bmp = new Bitmap(asc.VideoWidth, asc.VideoHeight, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
// Lock the bitmap's bits.
Rectangle rect = new Rectangle(0, 0, bmp.Width, bmp.Height);
System.Drawing.Imaging.BitmapData bmpData =
bmp.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadWrite,
bmp.PixelFormat);
try
{
// Get the address of the first line.
IntPtr ptr = bmpData.Scan0;
// Read data
asc.ReadFrame(ptr, bmpData.Stride, position);
}
finally
{
// Unlock the bits.
bmp.UnlockBits(bmpData);
}
bmp.RotateFlip(RotateFlipType.Rotate180FlipX);
return bmp;
}
catch (Exception)
{
if(bmp != null) bmp.Dispose();
throw;
}
}
