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authorMashiat Sarker Shakkhar <mashiat.sarker@gmail.com>2012-10-09 19:38:15 +0000
committerDerek Buitenhuis <derek.buitenhuis@gmail.com>2012-10-10 14:50:07 -0400
commit88058d9a994f42e4e9ed4e67baf696bbfe53128c (patch)
treec20763f016b479e8d462e912922a7a2ebefed43a
parent26db9100b2fa8f14d63947edc50d5777e44c55e1 (diff)
downloadffmpeg-88058d9a994f42e4e9ed4e67baf696bbfe53128c.tar.gz
vc1dec: Set chroma reference field from REFFIELD for 1REF field pictures
Interlaced field pictures can have one or two reference pictures, signaled by NUMREF syntax element. For single reference pictures, reference picture is determined by REFFIELD syntax element. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
-rw-r--r--libavcodec/vc1dec.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index b8237d7f8d..4127691dc1 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -794,6 +794,7 @@ static void vc1_mc_4mv_chroma(VC1Context *v, int dir)
/* calculate chroma MV vector from four luma MVs */
if (!v->field_mode || (v->field_mode && !v->numref)) {
valid_count = get_chroma_mv(mvx, mvy, intra, 0, &tx, &ty);
+ chroma_ref_type = v->reffield;
if (!valid_count) {
s->current_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][0] = 0;
s->current_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][1] = 0;