diff options
| author | Paul B Mahol <onemda@gmail.com> | 2020-08-27 15:42:44 +0300 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2020-08-27 15:45:21 +0300 |
| commit | 1419bf0551be3e40025e15343a97dc05764870a1 (patch) | |
| tree | 66cc40e7743bf47c029fdf937dc0816e54c4e69d | |
| parent | 9ebde67f0b2c00a88527df55c76b86aee4df934e (diff) | |
avfilter/vf_xfade: do not use alpha for average rgb color
| -rw-r--r-- | libavfilter/vf_xfade.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/libavfilter/vf_xfade.c b/libavfilter/vf_xfade.c index 05fa32a4db..adfcd759a8 100644 --- a/libavfilter/vf_xfade.c +++ b/libavfilter/vf_xfade.c @@ -1377,15 +1377,16 @@ static void fadegrays##name##_transition(AVFilterContext *ctx, y * a->linesize[p]); \ const type *xf1 = (const type *)(b->data[p] + \ y * b->linesize[p]); \ - bg[0][0] += xf0[x]; \ - bg[1][0] += xf1[x]; \ if (p == 3) { \ bg[0][3] = xf0[x]; \ bg[1][3] = xf1[x]; \ + } else { \ + bg[0][0] += xf0[x]; \ + bg[1][0] += xf1[x]; \ } \ } \ - bg[0][0] = bg[0][0] / s->nb_planes; \ - bg[1][0] = bg[1][0] / s->nb_planes; \ + bg[0][0] = bg[0][0] / 3; \ + bg[1][0] = bg[1][0] / 3; \ bg[0][1] = bg[0][2] = bg[0][0]; \ bg[1][1] = bg[1][2] = bg[1][0]; \ } else { \ |