ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Thu Aug 19 09:40:14 2021 +0200| [79934cc702fe1c90bfb58bb83ab20490b9d86e37] | committer: Paul B Mahol
avfilter/vf_paletteuse: do not use in dithering transparent palette > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=79934cc702fe1c90bfb58bb83ab20490b9d86e37 --- libavfilter/vf_paletteuse.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/libavfilter/vf_paletteuse.c b/libavfilter/vf_paletteuse.c index 4b2144c6f9..1de6a67738 100644 --- a/libavfilter/vf_paletteuse.c +++ b/libavfilter/vf_paletteuse.c @@ -380,9 +380,13 @@ static av_always_inline int get_dst_color_err(PaletteUseContext *s, if (dstx < 0) return dstx; dstc = s->palette[dstx]; - *er = (int)r - (int)(dstc >> 16 & 0xff); - *eg = (int)g - (int)(dstc >> 8 & 0xff); - *eb = (int)b - (int)(dstc & 0xff); + if (dstx == s->transparency_index) { + *er = *eg = *eb = 0; + } else { + *er = (int)r - (int)(dstc >> 16 & 0xff); + *eg = (int)g - (int)(dstc >> 8 & 0xff); + *eb = (int)b - (int)(dstc & 0xff); + } return dstx; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".