Verify long_ref_count!=0. Fix issue 281.

Originally committed as revision 11171 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago · b17270878e
parent bc2bc41bb8
commit b17270878e
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@ -3662,7 +3662,7 @@ static int decode_ref_pic_marking(H264Context *h, GetBitContext *gb){
        }else{
            assert(h->long_ref_count + h->short_ref_count <= h->sps.ref_frame_count);

-            if(h->long_ref_count + h->short_ref_count == h->sps.ref_frame_count &&
+            if(h->short_ref_count && h->long_ref_count + h->short_ref_count == h->sps.ref_frame_count &&
                    !(FIELD_PICTURE && !s->first_field && s->current_picture_ptr->reference)) {
                h->mmco[0].opcode= MMCO_SHORT2UNUSED;
                h->mmco[0].short_pic_num= h->short_ref[ h->short_ref_count - 1 ]->frame_num;