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hevc: fix incorrect sao buffer size

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It previously used the output, cropped size, causing overreads/writes.

Fixes ticket #3839.

This issue was introduced by d249e682, which is not part of any release

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Christophe Gisquet 2014-08-10 11:43:12 +02:00 committed by Michael Niedermayer
parent 6985ef7813
commit 7117547298
1 changed files with 4 additions and 4 deletions
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8
libavcodec/hevc.c
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@ -280,16 +280,16 @@ static int get_buffer_sao(HEVCContext *s, AVFrame *frame, const HEVCSPS *sps)
{
int ret, i;
frame->width = s->avctx->width + 2;
frame->height = s->avctx->height + 2;
frame->width = s->avctx->coded_width + 2;
frame->height = s->avctx->coded_height + 2;
if ((ret = ff_get_buffer(s->avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0)
return ret;
for (i = 0; frame->data[i]; i++) {
int offset = frame->linesize[i] + (1 << sps->pixel_shift);
frame->data[i] += offset;
}
frame->width = s->avctx->width;
frame->height = s->avctx->height;
frame->width = s->avctx->coded_width;
frame->height = s->avctx->coded_height;
return 0;
}