/// <summary>
/// Applies the hue colour onto the specified buffer.
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="hueColor">The hue color.</param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
private static void ApplyHue(byte[] buffer, CallHandler.HueColor hueColor, int width, int height)
{
int widthXheight = width * height;
for (var index = widthXheight; index < widthXheight * 3 / 2; index += 2)
{
switch (hueColor)
{
case CallHandler.HueColor.Red:
AddWithoutRollover(buffer, index, -16);
AddWithoutRollover(buffer, index + 1, 50);
break;
case CallHandler.HueColor.Blue:
AddWithoutRollover(buffer, index, 50);
AddWithoutRollover(buffer, index + 1, -8);
break;
case CallHandler.HueColor.Green:
AddWithoutRollover(buffer, index, -33);
AddWithoutRollover(buffer, index + 1, -41);
break;
default: break;
}
}
}
/// <summary>
/// Applies the hue colour onto the specified buffer.
/// </summary>
/// <param name="videoMediaBuffer">The video media buffer.</param>
/// <param name="hueColor">Color of the hue.</param>
/// <returns>The media buffer byte array.</returns>
public static byte[] ApplyHue(this VideoMediaBuffer videoMediaBuffer, CallHandler.HueColor hueColor)
{
byte[] buffer = new byte[videoMediaBuffer.VideoFormat.Width * videoMediaBuffer.VideoFormat.Height * 12 / 8];
Marshal.Copy(videoMediaBuffer.Data, buffer, 0, buffer.Length);
ApplyHue(buffer, hueColor, videoMediaBuffer.VideoFormat.Width, videoMediaBuffer.VideoFormat.Height);
return(buffer);
}
