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avfilter/vf_hqx: avoid floats

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this likely fixes fate failures

2748170880 -> 5389024880 dezicycles

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-06-24 02:32:37 +02:00
parent eab2509f8c
commit 236aa4de2a
1 changed files with 6 additions and 6 deletions
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12
libavfilter/vf_hqx.c
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@ -511,12 +511,12 @@ static av_cold int init(AVFilterContext *ctx)
uint32_t c; uint32_t c;
for (c = 0; c < FF_ARRAY_ELEMS(hqx->rgbtoyuv); c++) { for (c = 0; c < FF_ARRAY_ELEMS(hqx->rgbtoyuv); c++) {
const uint32_t r = c >> 16 & 0xff; const int r = c >> 16 & 0xff;
const uint32_t g = c >> 8 & 0xff; const int g = c >> 8 & 0xff;
const uint32_t b = c & 0xff; const int b = c & 0xff;
const uint32_t y = (uint32_t)( 0.299*r + 0.587*g + 0.114*b); const uint32_t y = (uint32_t)(( 299*r + 587*g + 114*b)/1000);
const uint32_t u = (uint32_t)(-0.169*r - 0.331*g + 0.5*b) + 128; const uint32_t u = (uint32_t)((-169*r - 331*g + 500*b)/1000) + 128;
const uint32_t v = (uint32_t)( 0.5*r - 0.419*g - 0.081*b) + 128; const uint32_t v = (uint32_t)(( 500*r - 419*g - 81*b)/1000) + 128;
hqx->rgbtoyuv[c] = (y << 16) + (u << 8) + v; hqx->rgbtoyuv[c] = (y << 16) + (u << 8) + v;
} }