fix exported motion vectors

Originally committed as revision 3032 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago · 0c352cadb0
parent 11a8e42573
commit 0c352cadb0
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/mpeg12.c
+++ b/libavcodec/mpeg12.c
@ -2334,7 +2334,7 @@ static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y,
                for(dir=0; dir<2; dir++){
                    if (s->mb_intra || (dir==1 && s->pict_type != B_TYPE)) {
                        motion_x = motion_y = 0;
-                    }else if (s->mv_type == MV_TYPE_16X16){
+                    }else if (s->mv_type == MV_TYPE_16X16 || (s->mv_type == MV_TYPE_FIELD && field_pic)){
                        motion_x = s->mv[dir][0][0];
                        motion_y = s->mv[dir][0][1];
                    } else /*if ((s->mv_type == MV_TYPE_FIELD) || (s->mv_type == MV_TYPE_16X8))*/ {