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

/AliOS-Things-master/components/SDL2/src/image/external/libwebp-1.0.2/src/enc/
A Dpicture_csp_enc.c592 static const uint32_t kInvAlpha[4 * 0xff + 1] = { variable
726 #define DIVIDE_BY_ALPHA(sum, a) (((sum) * kInvAlpha[(a)]) >> (kAlphaFix - 2))
745 assert((uint64_t)sum * kInvAlpha[total_a] < ((uint64_t)1 << 32)); in LinearToGammaWeighted()

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