ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Sat May 16 19:48:17 2020 +0200| [5646d02cb37098d7581fddd6f09f7a0003318611] | committer: Paul B Mahol
avfilter/vf_chromakey: fix formula for calculation of difference > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5646d02cb37098d7581fddd6f09f7a0003318611 --- 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 ce8003657c..4b1669d084 100644 --- a/libavfilter/vf_chromakey.c +++ b/libavfilter/vf_chromakey.c @@ -56,7 +56,7 @@ static uint8_t do_chromakey_pixel(ChromakeyContext *ctx, uint8_t u[9], uint8_t v du = (int)u[i] - ctx->chromakey_uv[0]; dv = (int)v[i] - 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)); } diff /= 9.0; @@ -78,7 +78,7 @@ static uint16_t do_chromakey_pixel16(ChromakeyContext *ctx, uint16_t u[9], uint1 du = (int)u[i] - ctx->chromakey_uv[0]; dv = (int)v[i] - ctx->chromakey_uv[1]; - diff += sqrt((du * du + dv * dv) / (max * max)); + diff += sqrt((du * du + dv * dv) / (max * max * 2)); } diff /= 9.0; _______________________________________________ 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".
