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/AliOS-Things-master/components/SDL2/src/image/external/libwebp-1.0.2/src/utils/
A Dquant_levels_dec_utils.c26 #define LFIX 2 // extra precision for look-up table macro
27 #define LUT_SIZE ((1 << (8 + LFIX)) - 1) // look-up table size
146 const int c = (v << DFIX) + correction[average[x] - (v << LFIX)]; in ApplyFilter()
167 const int threshold1 = min_dist << LFIX; in InitCorrectionLUT()
176 c >>= LFIX; in InitCorrectionLUT()
245 p->scale_ = (1 << (FIX + LFIX)) / (R * R); // normalization constant in InitParams()

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