diff options
| -rw-r--r-- | libavcodec/mpeg12.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c index b48d62679d..196930c463 100644 --- a/libavcodec/mpeg12.c +++ b/libavcodec/mpeg12.c @@ -1847,7 +1847,7 @@ static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y, s->mv[0][0][0] = s->mv[0][0][1] = 0; s->last_mv[0][0][0] = s->last_mv[0][0][1] = 0; s->last_mv[0][1][0] = s->last_mv[0][1][1] = 0; - s->field_select[0][0]= s->picture_structure - 1; + s->field_select[0][0]= (s->picture_structure - 1) & 1; } else { /* if B type, reuse previous vectors and directions */ s->mv[0][0][0] = s->last_mv[0][0][0]; |