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avcodec/h264_refs: Do not set reference to things which dont exist 

Fixes deadlock
Fixes Ticket4428
Fixes Ticket4429

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 429de04320)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-04-04 18:08:23 +02:00
parent 44d447f31c
commit dcf23f1297
1 changed files with 1 additions and 1 deletions
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2
libavcodec/h264_refs.c
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@ -681,7 +681,7 @@ int ff_h264_execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count)
*/
if (h->short_ref_count && h->short_ref[0] == h->cur_pic_ptr) {
/* Just mark the second field valid */
h->cur_pic_ptr->reference = PICT_FRAME;
h->cur_pic_ptr->reference |= h->picture_structure;
} else if (h->cur_pic_ptr->long_ref) {
av_log(h->avctx, AV_LOG_ERROR, "illegal short term reference "
"assignment for second field "