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avcodec/h264_slice: Use w/h from the AVFrame instead of mb_w/h

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Fixes out of array access
Fixes: asan_heap-oob_4d5bb0_682_cov_3124593265_Fraunhofer__a_driving_force_in_innovation__small.mp4

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 330863c9f1)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2015-06-30 19:37:12 +02:00
committed by Michael Niedermayer
parent 662714abbe
commit 65aac419e5
1 changed files with 2 additions and 2 deletions
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4
libavcodec/h264_slice.c
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@@ -1558,8 +1558,8 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)
(const uint8_t **)prev->f->data,
prev->f->linesize,
prev->f->format,
h->mb_width * 16,
h->mb_height * 16);
prev->f->width,
prev->f->height);
h->short_ref[0]->poc = prev->poc + 2;
}
h->short_ref[0]->frame_num = h->prev_frame_num;