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Code Issues Releases Activity

h264: Always decode MMCOs into temprary array

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When decoding succeeded the array is copied into the permanent one.
This prevents inconsistencies
Fixes assertion failure

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-05-04 20:21:47 +02:00
parent 30db867cb7
commit c40f51e15b
1 changed files with 2 additions and 1 deletions
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3
libavcodec/h264_refs.c
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@ -746,7 +746,7 @@ int ff_h264_decode_ref_pic_marking(H264Context *h, GetBitContext *gb,
int first_slice)
{
int i, ret;
MMCO mmco_temp[MAX_MMCO_COUNT], *mmco = first_slice ? h->mmco : mmco_temp;
MMCO mmco_temp[MAX_MMCO_COUNT], *mmco = mmco_temp;
int mmco_index = 0;
if (h->nal_unit_type == NAL_IDR_SLICE) { // FIXME fields
@ -812,6 +812,7 @@ int ff_h264_decode_ref_pic_marking(H264Context *h, GetBitContext *gb,
}
if (first_slice && mmco_index != -1) {
memcpy(h->mmco, mmco_temp, sizeof(h->mmco));
h->mmco_index = mmco_index;
} else if (!first_slice && mmco_index >= 0 &&
(mmco_index != h->mmco_index ||