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Searched refs:MFIX (Results 1 – 2 of 2) sorted by relevance

/AliOS-Things-master/components/SDL2/src/image/external/libwebp-1.0.2/imageio/
A Dtiffdec.c122 #define MFIX 24 // 24bit fixed-point arithmetic macro
123 #define HALF ((1u << MFIX) >> 1)
126 const uint32_t v = (x * mult + HALF) >> MFIX; in Unmult()
131 return (255u << MFIX) / a; in GetScale()
134 #undef MFIX
/AliOS-Things-master/components/SDL2/src/image/external/libwebp-1.0.2/src/dsp/
A Dalpha_processing.c25 #define MFIX 24 // 24bit fixed-point arithmetic macro
26 #define HALF ((1u << MFIX) >> 1)
27 #define KINV_255 ((1u << MFIX) / 255u)
30 const uint32_t v = (x * mult + HALF) >> MFIX; in Mult()
135 return inverse ? (255u << MFIX) / a : a * KINV_255; in GetScale()
178 #undef MFIX

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