26 #define HALVE(x) (((x) + 1) >> 1)  macro
48       const int uv_width = HALVE(width);  in WebPPictureAlloc()
49       const int uv_height = HALVE(height);  in WebPPictureAlloc()
241               dst->u, dst->uv_stride, HALVE(dst->width), HALVE(dst->height));  in WebPPictureCopy()
243               dst->v, dst->uv_stride, HALVE(dst->width), HALVE(dst->height));  in WebPPictureCopy()
252         uv0_width = HALVE(uv0_width);  in WebPPictureCopy()
336               tmp.u, tmp.uv_stride, HALVE(width), HALVE(height));  in WebPPictureCrop()
338               tmp.v, tmp.uv_stride, HALVE(width), HALVE(height));  in WebPPictureCrop()
350         w = HALVE(w);  in WebPPictureCrop()
351         left_pos = HALVE(left_pos);  in WebPPictureCrop()
430                  HALVE(prev_width), HALVE(prev_height), pic->uv_stride,  in WebPPictureRescale()
432                  HALVE(width), HALVE(height), tmp.uv_stride, work, 1);  in WebPPictureRescale()
434                  HALVE(prev_width), HALVE(prev_height), pic->uv_stride,  in WebPPictureRescale()
436                  HALVE(width), HALVE(height), tmp.uv_stride, work, 1);  in WebPPictureRescale()
582   const int uv_width = HALVE(picture->width);  in MakeGray()
583   const int uv_height = HALVE(picture->height);  in MakeGray()
988   uv_w = HALVE(src->width);  in WebPPictureDistortion()
989   uv_h = HALVE(src->height);  in WebPPictureDistortion()