ffmpeg | branch: master | Clément Bœsch <clem...@stupeflix.com> | Wed Feb 18 11:17:10 2015 +0100| [b0f5227558999df36d9980f23dbf811c980a13c4] | committer: Clément Bœsch
avfilter/paletteuse: fix error dithering accuracy > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b0f5227558999df36d9980f23dbf811c980a13c4 --- 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) _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
