DITHER_DESCALE 186 third_party/libwebp/dec/frame.c #define DITHER_DESCALE_ROUNDER (1 << (DITHER_DESCALE - 1)) DITHER_DESCALE 198 third_party/libwebp/dec/frame.c const int delta = (bits + DITHER_DESCALE_ROUNDER) >> DITHER_DESCALE;