ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Fri Aug 20 07:23:18 2021 +0200| [ed6ea4f9ca2e40222efc111d203423b27691a1f1] | committer: Paul B Mahol
avfilter/vf_chromakey: fix diff scaling for chromahold filter > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ed6ea4f9ca2e40222efc111d203423b27691a1f1 --- libavfilter/vf_chromakey.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavfilter/vf_chromakey.c b/libavfilter/vf_chromakey.c index 185b3980bc..42a494697c 100644 --- a/libavfilter/vf_chromakey.c +++ b/libavfilter/vf_chromakey.c @@ -197,7 +197,7 @@ static int do_chromahold_slice(AVFilterContext *avctx, void *arg, int jobnr, int du = u - ctx->chromakey_uv[0]; dv = v - ctx->chromakey_uv[1]; - diff = sqrt((du * du + dv * dv) / (255.0 * 255.0)); + diff = sqrt((du * du + dv * dv) / (255.0 * 255.0 * 2.0)); alpha = diff > ctx->similarity; if (ctx->blend > 0.0001) { @@ -236,7 +236,7 @@ static int do_chromahold16_slice(AVFilterContext *avctx, void *arg, int jobnr, i du = u - ctx->chromakey_uv[0]; dv = v - ctx->chromakey_uv[1]; - diff = sqrt((du * du + dv * dv) / (max * max)); + diff = sqrt((du * du + dv * dv) / (max * max * 2.0)); alpha = diff > ctx->similarity; if (ctx->blend > 0.0001) { _______________________________________________ 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".
