lrgb2y             21 libavfilter/opencl/tonemap.cl extern float  lrgb2y(float3);
lrgb2y            257 libavfilter/opencl/tonemap.cl     y0 = lrgb2y(c0);
lrgb2y            258 libavfilter/opencl/tonemap.cl     y1 = lrgb2y(c1);
lrgb2y            259 libavfilter/opencl/tonemap.cl     y2 = lrgb2y(c2);
lrgb2y            260 libavfilter/opencl/tonemap.cl     y3 = lrgb2y(c3);