288                          fixed_t* dst, int uv_w) {  in UpdateChroma()  argument
290   for (i = 0; i < uv_w; ++i) {  in UpdateChroma()
291     const int r = ScaleDown(src1[0 * uv_w + 0], src1[0 * uv_w + 1],  in UpdateChroma()
292                             src2[0 * uv_w + 0], src2[0 * uv_w + 1]);  in UpdateChroma()
293     const int g = ScaleDown(src1[2 * uv_w + 0], src1[2 * uv_w + 1],  in UpdateChroma()
294                             src2[2 * uv_w + 0], src2[2 * uv_w + 1]);  in UpdateChroma()
295     const int b = ScaleDown(src1[4 * uv_w + 0], src1[4 * uv_w + 1],  in UpdateChroma()
296                             src2[4 * uv_w + 0], src2[4 * uv_w + 1]);  in UpdateChroma()
298     dst[0 * uv_w] = (fixed_t)(r - W);  in UpdateChroma()
299     dst[1 * uv_w] = (fixed_t)(g - W);  in UpdateChroma()
300     dst[2 * uv_w] = (fixed_t)(b - W);  in UpdateChroma()
355   const int uv_w = w >> 1;  in InterpolateTwoRows()  local
368       out1[w - 1] = Filter2(cur_uv[uv_w - 1], prev_uv[uv_w - 1],  in InterpolateTwoRows()
370       out2[w - 1] = Filter2(cur_uv[uv_w - 1], next_uv[uv_w - 1],  in InterpolateTwoRows()
375     prev_uv += uv_w;  in InterpolateTwoRows()
376     cur_uv  += uv_w;  in InterpolateTwoRows()
377     next_uv += uv_w;  in InterpolateTwoRows()
405   const int uv_w = w >> 1;  in ConvertWRGBToYUV()  local
411       const int r = best_uv[off + 0 * uv_w] + W;  in ConvertWRGBToYUV()
412       const int g = best_uv[off + 1 * uv_w] + W;  in ConvertWRGBToYUV()
413       const int b = best_uv[off + 2 * uv_w] + W;  in ConvertWRGBToYUV()
417     best_uv += (j & 1) * 3 * uv_w;  in ConvertWRGBToYUV()
421     for (i = 0; i < uv_w; ++i) {  in ConvertWRGBToYUV()
423       const int r = best_uv[off + 0 * uv_w];  in ConvertWRGBToYUV()
424       const int g = best_uv[off + 1 * uv_w];  in ConvertWRGBToYUV()
425       const int b = best_uv[off + 2 * uv_w];  in ConvertWRGBToYUV()
429     best_uv += 3 * uv_w;  in ConvertWRGBToYUV()
449   const int uv_w = w >> 1;  in PreprocessARGB()  local
460   fixed_t* const best_uv_base = SAFE_ALLOC(uv_w * 3, uv_h, fixed_t);  in PreprocessARGB()
461   fixed_t* const target_uv_base = SAFE_ALLOC(uv_w * 3, uv_h, fixed_t);  in PreprocessARGB()
462   fixed_t* const best_rgb_uv = SAFE_ALLOC(uv_w * 3, 1, fixed_t);  in PreprocessARGB()
501     UpdateChroma(src1, src2, target_uv, uv_w);  in PreprocessARGB()
502     memcpy(best_uv, target_uv, 3 * uv_w * sizeof(*best_uv));  in PreprocessARGB()
504     best_uv += 3 * uv_w;  in PreprocessARGB()
506     target_uv += 3 * uv_w;  in PreprocessARGB()
526         const fixed_t* const next_uv = cur_uv + ((j < h - 2) ? 3 * uv_w : 0);  in PreprocessARGB()
534       UpdateChroma(src1, src2, best_rgb_uv, uv_w);  in PreprocessARGB()
538       WebPSharpYUVUpdateRGB(target_uv, best_rgb_uv, best_uv, 3 * uv_w);  in PreprocessARGB()
541       best_uv += 3 * uv_w;  in PreprocessARGB()
543       target_uv += 3 * uv_w;  in PreprocessARGB()