RY                118 libswscale/rgb2rgb.c #define RY ((int)( 0.257 * (1 << RGB2YUV_SHIFT) + 0.5))
RY                975 libswscale/swscale.c #define RY ( (int) (0.299 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
RY                 89 libswscale/x86/rgb2rgb.c #define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5))