diff options
Diffstat (limited to 'libavcodec/mpegvideo_motion.c')
| -rw-r--r-- | libavcodec/mpegvideo_motion.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/mpegvideo_motion.c b/libavcodec/mpegvideo_motion.c index be1b48d4d8..225e9a637f 100644 --- a/libavcodec/mpegvideo_motion.c +++ b/libavcodec/mpegvideo_motion.c @@ -809,7 +809,8 @@ static av_always_inline void MPV_motion_internal(MpegEncContext *s, s->mv[dir][1][0], s->mv[dir][1][1], 8, mb_y); } } else { - if(s->picture_structure != s->field_select[dir][0] + 1 && s->pict_type != AV_PICTURE_TYPE_B && !s->first_field){ + if( s->picture_structure != s->field_select[dir][0] + 1 && s->pict_type != AV_PICTURE_TYPE_B && !s->first_field + || !ref_picture[0]){ ref_picture = s->current_picture_ptr->f.data; } |