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-rw-r--r--libavcodec/vc1dec.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index fa952739bb..325cc64fef 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -3954,6 +3954,7 @@ static int vc1_decode_p_mb_intfr(VC1Context *v)
vc1_mc_4mv_chroma4(v);
} else {
mvbp = ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][2];
+ dmv_x = dmv_y = 0;
if (mvbp) {
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
}