private Avi.BITMAPINFOHEADER GetImageFormat()
{
Avi.BITMAPINFOHEADER format = new Avi.BITMAPINFOHEADER();
format.biSize = Marshal.SizeOf(format);
format.biPlanes = 1;
format.biBitCount = 24;
format.biCompression = 0; //RGB
format.biHeight = Height;
format.biWidth = Width;
format.biSizeImage = FrameSize;
return(format);
}
private IEnumerable <Avi.Codec> GetAvailiableCodecs()
{
Avi.BITMAPINFOHEADER header = GetInputFormat();
foreach (Avi.Codec codec in Avi.Codec.GetInstalledCodecs())
{
if (codec.CanCompress(header))
{
yield return(codec);
}
}
}
private static Avi.BITMAPINFOHEADER GetInputFormat()
{
Avi.BITMAPINFOHEADER format = new Avi.BITMAPINFOHEADER();
format.biSize = Marshal.SizeOf(format);
format.biPlanes = 1;
format.biBitCount = 24;
format.biCompression = 0; //RGB
format.biHeight = 512; //use 512x512 just to get the available codecs.
format.biWidth = 512;
format.biSizeImage = 3 * format.biWidth * format.biHeight;
return(format);
}
private void SetFormat(IntPtr aviStream)
{
Avi.BITMAPINFOHEADER info = GetImageFormat();
int result = Avi.AVIStreamSetFormat(aviStream, 0, ref info, info.biSize);
if (result != 0)
{
throw new VideoStreamWriterException("Avi stream format could not be set.");
}
GC.KeepAlive(info);
}
private Avi.BITMAPINFOHEADER GetImageFormat()
{
Avi.BITMAPINFOHEADER format = new Avi.BITMAPINFOHEADER();
format.biSize = Marshal.SizeOf(format);
format.biPlanes = 1;
format.biBitCount = 24;
format.biCompression = 0; //RGB
format.biHeight = Height;
format.biWidth = Width;
format.biSizeImage = FrameSize;
return format;
}
