YUV to RGB - Java 2D Graphics

Java examples for 2D Graphics:Color RGB

  1. HOME
  2. Java
  3. 2D Graphics
  4. Color RGB

Description

YUV to RGB

Demo Code



public class Main{
    public static void YUV2RGB(Frame f, int[] rgb) {
        int[] luma = f.getY();
        int[] cb = f.getCb();
        int[] cr = f.getCr();
        int stride = f.getWidth();
        int strideChroma = f.getWidth() >> 1;

        for (int y = 0; y < f.getHeight(); y++) {
            int lineOffLuma = y * stride;
            int lineOffChroma = (y >> 1) * strideChroma;

            for (int x = 0; x < f.getWidth(); x++) {
                int c = luma[lineOffLuma + x] - 16;
                int d = cb[lineOffChroma + (x >> 1)] - 128;
                int e = cr[lineOffChroma + (x >> 1)] - 128;

                int red = (298 * c + 409 * e + 128) >> 8;
                red = red < 0 ? 0 : (red > 255 ? 255 : red);
                int green = (298 * c - 100 * d - 208 * e + 128) >> 8;
                green = green < 0 ? 0 : (green > 255 ? 255 : green);
                int blue = (298 * c + 516 * d + 128) >> 8;
                blue = blue < 0 ? 0 : (blue > 255 ? 255 : blue);
                int alpha = 255;

                rgb[lineOffLuma + x] = (alpha << 24) | ((red & 0xff) << 16)
                        | ((green & 0xff) << 8) | (blue & 0xff);
            }/*ww w . ja  v  a  2  s.  c  o  m*/
        }
    }
}

Related Tutorials