diff --git a/libavcodec/h264_refs.c b/libavcodec/h264_refs.c index 9b16d1d747..4b69a90dd3 100644 --- a/libavcodec/h264_refs.c +++ b/libavcodec/h264_refs.c @@ -626,6 +626,14 @@ int ff_h264_execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count) */ if (h->long_ref[mmco[i].long_arg] != h->cur_pic_ptr) { + if (h->cur_pic_ptr->long_ref) { + for(j=0; j<16; j++) { + if(h->long_ref[j] == h->cur_pic_ptr) { + remove_long(h, j, 0); + av_log(h->avctx, AV_LOG_ERROR, "mmco: cannot assign current picture to 2 long term references\n"); + } + } + } av_assert0(!h->cur_pic_ptr->long_ref); remove_long(h, mmco[i].long_arg, 0); if (remove_short(h, h->cur_pic_ptr->frame_num, 0)) {