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Code Issues Releases Activity

h264: check context state before decoding slice data partitions

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Fixes mov_h264_aac__Demo_FlagOfOurFathers.mov.SIGSEGV.4e9.656.

Found-by: Mateusz "j00ru" Jurczyk
CC: libav-stable@libav.org
This commit is contained in:
Janne Grunau
2012-11-28 22:17:14 +01:00
parent 3ae69b9166
commit c1fcf563b1
1 changed files with 1 additions and 0 deletions
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libavcodec/h264.c
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@@ -3848,6 +3848,7 @@ again:
if (hx->redundant_pic_count == 0 && if (hx->redundant_pic_count == 0 &&
hx->intra_gb_ptr && hx->intra_gb_ptr &&
hx->s.data_partitioning && hx->s.data_partitioning &&
s->current_picture_ptr &&
s->context_initialized && s->context_initialized &&
(avctx->skip_frame < AVDISCARD_NONREF || hx->nal_ref_idc) && (avctx->skip_frame < AVDISCARD_NONREF || hx->nal_ref_idc) &&
(avctx->skip_frame < AVDISCARD_BIDIR || (avctx->skip_frame < AVDISCARD_BIDIR ||