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| author | Michael Niedermayer <michaelni@gmx.at> | 2015-01-26 23:46:44 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-01-26 23:46:44 +0100 |
| commit | 530bf8ece6f828262b211edab1b97b873569b255 (patch) | |
| tree | f13992517694bd4e6c49cdbe2e34d4ba3e9af5f3 | |
| parent | 5a1e524ba7e5a025e8d814f0ea9f81bdf8876081 (diff) | |
| download | ffmpeg-530bf8ece6f828262b211edab1b97b873569b255.tar.gz | |
avfilter/vf_eq: Fix clipping code
Found-by: Christophe Gisquet <christophe.gisquet@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavfilter/vf_eq.c | 2 | ||||
| -rw-r--r-- | libavfilter/x86/vf_eq.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/libavfilter/vf_eq.c b/libavfilter/vf_eq.c index 0c2f0cef4e..7bbbaee2c5 100644 --- a/libavfilter/vf_eq.c +++ b/libavfilter/vf_eq.c @@ -91,7 +91,7 @@ static void process_c(EQParameters *param, uint8_t *dst, int dst_stride, for (x = 0; x < w; x++) { pel = ((src[y * src_stride + x] * contrast) >> 12) + brightness; - if (pel & 768) + if (pel & ~255) pel = (-pel) >> 31; dst[y * dst_stride + x] = pel; diff --git a/libavfilter/x86/vf_eq.c b/libavfilter/x86/vf_eq.c index cfcc18f495..2e42cdf5ba 100644 --- a/libavfilter/x86/vf_eq.c +++ b/libavfilter/x86/vf_eq.c @@ -72,7 +72,7 @@ static void process_MMX(EQParameters *param, uint8_t *dst, int dst_stride, for (i = w&7; i; i--) { pel = ((*src++ * contrast) >> 12) + brightness; - if (pel & 768) + if (pel & ~255) pel = (-pel) >> 31; *dst++ = pel; } |