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ffmpeg.wasm-core
Commit 2fa11a94 authored by Michael Niedermayer's avatar Michael Niedermayer
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sws/fill_rgb2yuv_table: avoid 2 divisions 

Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 97b2865a
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libswscale/utils.c
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...@@ -868,9 +868,9 @@ static void fill_rgb2yuv_table(SwsContext *c, const int table[4], int dstRange) ...@@ -868,9 +868,9 @@ static void fill_rgb2yuv_table(SwsContext *c, const int table[4], int dstRange)
c->input_rgb2yuv_table[RU_IDX] = (1 << RGB2YUV_SHIFT)*ONE*V/(Z*ub); c->input_rgb2yuv_table[RU_IDX] = (1 << RGB2YUV_SHIFT)*ONE*V/(Z*ub);
c->input_rgb2yuv_table[GU_IDX] = -(1 << RGB2YUV_SHIFT)*ONE*ONE/(Z*ub); c->input_rgb2yuv_table[GU_IDX] = -(1 << RGB2YUV_SHIFT)*ONE*ONE/(Z*ub);
c->input_rgb2yuv_table[BU_IDX] = (1 << RGB2YUV_SHIFT)*(ONE + ONE*W/Z)/ub; c->input_rgb2yuv_table[BU_IDX] = (1 << RGB2YUV_SHIFT)*ONE*(Z+W)/(Z*ub);
c->input_rgb2yuv_table[RV_IDX] = (1 << RGB2YUV_SHIFT)*(ONE + ONE*V/Z)/vr; c->input_rgb2yuv_table[RV_IDX] = (1 << RGB2YUV_SHIFT)*ONE*(V+Z)/(Z*vr);
c->input_rgb2yuv_table[GV_IDX] = -(1 << RGB2YUV_SHIFT)*ONE*ONE/(Z*vr); c->input_rgb2yuv_table[GV_IDX] = -(1 << RGB2YUV_SHIFT)*ONE*ONE/(Z*vr);
c->input_rgb2yuv_table[BV_IDX] = (1 << RGB2YUV_SHIFT)*ONE*W/(Z*vr); c->input_rgb2yuv_table[BV_IDX] = (1 << RGB2YUV_SHIFT)*ONE*W/(Z*vr);
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