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avfilter/vf_decimate: fix crash with gray8

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-09-19 17:50:18 +00:00
parent 1f5d1342ea
commit 0ad5ef674b
1 changed files with 1 additions and 1 deletions
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libavfilter/vf_decimate.c
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@ -86,7 +86,7 @@ static void calc_diffs(const DecimateContext *dm, struct qitem *q,
memset(bdiffs, 0, dm->bdiffsize * sizeof(*bdiffs));
for (plane = 0; plane < (dm->chroma ? 3 : 1); plane++) {
for (plane = 0; plane < (dm->chroma && f1->data[2] ? 3 : 1); plane++) {
int x, y, xl;
const int linesize1 = f1->linesize[plane];
const int linesize2 = f2->linesize[plane];