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Code Issues Releases Activity

avfilter/vf_xfade: do not use alpha for average rgb color

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This commit is contained in:
Paul B Mahol
2020-08-27 14:42:44 +02:00
parent 9ebde67f0b
commit 1419bf0551
1 changed files with 5 additions and 4 deletions
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9
libavfilter/vf_xfade.c
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@@ -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 { \