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avformat/movenc: Remove float use from rgb_to_yuv() 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-05-24 12:46:06 +02:00
parent 28134d6a0e
commit 0c3b4efc76
1 changed files with 3 additions and 3 deletions
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6
libavformat/movenc.c
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@ -4877,9 +4877,9 @@ static uint32_t rgb_to_yuv(uint32_t rgb)
g = (rgb >> 8) & 0xFF;
b = (rgb ) & 0xFF;
y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b);
cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b);
cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b);
y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
return (y << 16) | (cr << 8) | cb;
}