[FFmpeg-devel] [PATCH 3/6] avcodec/vp6: use rounded shift for chroma motion vector calculation

[Peter Ross]

---
 libavcodec/vp56.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/libavcodec/vp56.c b/libavcodec/vp56.c
index b69fe6c176..27b4b8b944 100644
--- a/libavcodec/vp56.c
+++ b/libavcodec/vp56.c
@@ -196,12 +196,8 @@ static void vp56_decode_4mv(VP56Context *s, int row, int col)
     s->macroblocks[row * s->mb_width + col].mv = s->mv[3];
 
     /* chroma vectors are average luma vectors */
-    if (s->avctx->codec->id == AV_CODEC_ID_VP5) {
-        s->mv[4].x = s->mv[5].x = RSHIFT(mv.x,2);
-        s->mv[4].y = s->mv[5].y = RSHIFT(mv.y,2);
-    } else {
-        s->mv[4] = s->mv[5] = (VP56mv) {mv.x/4, mv.y/4};
-    }
+    s->mv[4].x = s->mv[5].x = RSHIFT(mv.x,2);
+    s->mv[4].y = s->mv[5].y = RSHIFT(mv.y,2);
 }
 
 static VP56mb vp56_decode_mv(VP56Context *s, int row, int col)
-- 
2.17.1

-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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