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avfilter/vf_fieldorder: fix heap-buffer overflow

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Fixes #8264

(cherry picked from commit 07050d7bdc32d82e53ee5bb727f5882323d00dba)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Paul B Mahol 2019-10-13 23:10:16 +02:00 committed by Michael Niedermayer
parent 0744d7176a
commit 07bc7b2c07
1 changed files with 2 additions and 2 deletions
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4
libavfilter/vf_fieldorder.c
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@ -108,8 +108,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
s->dst_tff ? "up" : "down");
h = frame->height;
for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++) {
dst_line_step = out->linesize[plane];
src_line_step = frame->linesize[plane];
dst_line_step = out->linesize[plane] * (h > 2);
src_line_step = frame->linesize[plane] * (h > 2);
line_size = s->line_size[plane];
dst = out->data[plane];
src = frame->data[plane];