diff options
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/vc1dec.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c index 01fe1ec848..05307c1342 100644 --- a/libavcodec/vc1dec.c +++ b/libavcodec/vc1dec.c @@ -80,7 +80,7 @@ static void vc1_put_signed_blocks_clamped(VC1Context *v) { MpegEncContext *s = &v->s; int topleft_mb_pos, top_mb_pos; - int stride_y, fieldtx; + int stride_y, fieldtx = 0; int v_dist; /* The put pixels loop is always one MB row behind the decoding loop, @@ -93,7 +93,8 @@ static void vc1_put_signed_blocks_clamped(VC1Context *v) if (!s->first_slice_line) { if (s->mb_x) { topleft_mb_pos = (s->mb_y - 1) * s->mb_stride + s->mb_x - 1; - fieldtx = v->fieldtx_plane[topleft_mb_pos]; + if (v->fcm == ILACE_FRAME) + fieldtx = v->fieldtx_plane[topleft_mb_pos]; stride_y = s->linesize << fieldtx; v_dist = (16 - fieldtx) >> (fieldtx == 0); s->dsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][0], @@ -117,7 +118,8 @@ static void vc1_put_signed_blocks_clamped(VC1Context *v) } if (s->mb_x == s->mb_width - 1) { top_mb_pos = (s->mb_y - 1) * s->mb_stride + s->mb_x; - fieldtx = v->fieldtx_plane[top_mb_pos]; + if (v->fcm == ILACE_FRAME) + fieldtx = v->fieldtx_plane[top_mb_pos]; stride_y = s->linesize << fieldtx; v_dist = fieldtx ? 15 : 8; s->dsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][0], |