From: Clément Bœsch <clem...@stupeflix.com>
---
libavfilter/vf_paletteuse.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/libavfilter/vf_paletteuse.c b/libavfilter/vf_paletteuse.c
index a8defc7..87a90d0 100644
--- a/libavfilter/vf_paletteuse.c
+++ b/libavfilter/vf_paletteuse.c
@@ -133,9 +133,9 @@ static int query_formats(AVFilterContext *ctx)
static av_always_inline int dither_color(uint32_t px, int er, int eg, int eb,
int scale, int shift)
{
- return av_clip_uint8((px >> 16 & 0xff) + ((er * scale) >> shift)) << 16
- | av_clip_uint8((px >> 8 & 0xff) + ((eg * scale) >> shift)) << 8
- | av_clip_uint8((px & 0xff) + ((eb * scale) >> shift));
+ return av_clip_uint8((px >> 16 & 0xff) + ((er * scale) / (1<<shift))) << 16
+ | av_clip_uint8((px >> 8 & 0xff) + ((eg * scale) / (1<<shift))) << 8
+ | av_clip_uint8((px & 0xff) + ((eb * scale) / (1<<shift)));
}
static av_always_inline int diff(const uint8_t *c1, const uint8_t *c2)
--
2.3.0
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