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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-06-24 02:32:37 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-06-24 02:40:50 +0200 |
| commit | 236aa4de2a103d36b5f3381717150a6780c46697 (patch) | |
| tree | d9d5445bb08741cb8d0e65e4fe4390d5ddac98d2 /libavfilter/vf_hqx.c | |
| parent | eab2509f8ccfaa5c8b61440192b8a6f8305b6541 (diff) | |
| download | ffmpeg-236aa4de2a103d36b5f3381717150a6780c46697.tar.gz | |
avfilter/vf_hqx: avoid floats
this likely fixes fate failures
2748170880 -> 5389024880 dezicycles
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavfilter/vf_hqx.c')
| -rw-r--r-- | libavfilter/vf_hqx.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/libavfilter/vf_hqx.c b/libavfilter/vf_hqx.c index ef5a0fae80..e7ed9cfb99 100644 --- a/libavfilter/vf_hqx.c +++ b/libavfilter/vf_hqx.c @@ -511,12 +511,12 @@ static av_cold int init(AVFilterContext *ctx) uint32_t c; for (c = 0; c < FF_ARRAY_ELEMS(hqx->rgbtoyuv); c++) { - const uint32_t r = c >> 16 & 0xff; - const uint32_t g = c >> 8 & 0xff; - const uint32_t b = c & 0xff; - const uint32_t y = (uint32_t)( 0.299*r + 0.587*g + 0.114*b); - const uint32_t u = (uint32_t)(-0.169*r - 0.331*g + 0.5*b) + 128; - const uint32_t v = (uint32_t)( 0.5*r - 0.419*g - 0.081*b) + 128; + const int r = c >> 16 & 0xff; + const int g = c >> 8 & 0xff; + const int b = c & 0xff; + const uint32_t y = (uint32_t)(( 299*r + 587*g + 114*b)/1000); + const uint32_t u = (uint32_t)((-169*r - 331*g + 500*b)/1000) + 128; + const uint32_t v = (uint32_t)(( 500*r - 419*g - 81*b)/1000) + 128; hqx->rgbtoyuv[c] = (y << 16) + (u << 8) + v; } |