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avfilter/vf_overlay: use slice_end in alpha_composite()

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Paul B Mahol
2018-04-29 10:02:57 +02:00
parent 19c3df0cd6
commit 70d25b89db
1 changed files with 1 additions and 1 deletions
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libavfilter/vf_overlay.c
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@@ -611,7 +611,7 @@ static inline void alpha_composite(const AVFrame *src, const AVFrame *dst,
sa = src->data[3] + (i + slice_start) * src->linesize[3];
da = dst->data[3] + (y + i + slice_start) * dst->linesize[3];
for (i = i + slice_start; i < imax; i++) {
for (i = i + slice_start; i < slice_end; i++) {
j = FFMAX(-x, 0);
s = sa + j;
d = da + x+j;