diff options
Diffstat (limited to 'libavcodec/mpegvideo_motion.c')
| -rw-r--r-- | libavcodec/mpegvideo_motion.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libavcodec/mpegvideo_motion.c b/libavcodec/mpegvideo_motion.c index 225e9a6..96b3780 100644 --- a/libavcodec/mpegvideo_motion.c +++ b/libavcodec/mpegvideo_motion.c @@ -824,8 +824,8 @@ static av_always_inline void MPV_motion_internal(MpegEncContext *s, for(i=0; i<2; i++){ uint8_t ** ref2picture; - if(s->picture_structure == s->field_select[dir][i] + 1 - || s->pict_type == AV_PICTURE_TYPE_B || s->first_field){ + if((s->picture_structure == s->field_select[dir][i] + 1 + || s->pict_type == AV_PICTURE_TYPE_B || s->first_field) && ref_picture[0]){ ref2picture= ref_picture; }else{ ref2picture = s->current_picture_ptr->f.data; @@ -854,6 +854,9 @@ static av_always_inline void MPV_motion_internal(MpegEncContext *s, pix_op = s->hdsp.avg_pixels_tab; } }else{ + if (!ref_picture[0]) { + ref_picture = s->current_picture_ptr->f.data; + } for(i=0; i<2; i++){ mpeg_motion(s, dest_y, dest_cb, dest_cr, s->picture_structure != i+1, |
