Commit 2ac6b573 authored by Michael Niedermayer's avatar Michael Niedermayer Committed by Carl Eugen Hoyos

h264: Reset last_pocs in case of reference or frame number inconsistencies

This prevents faulty increasing of has_b_frames
Should fix Ticket 2062
Signed-off-by: 's avatarMichael Niedermayer <>
(cherry picked from commit c230af9b)
parent 7f884640
......@@ -2968,6 +2968,9 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;
av_log(h->s.avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n",
h->frame_num, h->prev_frame_num);
if (!h->sps.gaps_in_frame_num_allowed_flag)
for(i=0; i<FF_ARRAY_ELEMS(h->last_pocs); i++)
h->last_pocs[i] = INT_MIN;
if (ff_h264_frame_start(h) < 0)
return -1;
......@@ -287,7 +287,10 @@ int ff_h264_decode_ref_pic_list_reordering(H264Context *h){
for(list=0; list<h->list_count; list++){
for(index= 0; index < h->ref_count[list]; index++){
if (!h->ref_list[list][index][0]) {
int i;
av_log(h->s.avctx, AV_LOG_ERROR, "Missing reference picture, default is %d\n", h->default_ref_list[list][0].poc);
for (i=0; i<FF_ARRAY_ELEMS(h->last_pocs); i++)
h->last_pocs[i] = INT_MIN;
if (h->default_ref_list[list][0][0])
h->ref_list[list][index]= h->default_ref_list[list][0];
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