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| author | Peter Ross <pross@xvid.org> | 2019-01-10 20:55:06 +1100 |
|---|---|---|
| committer | Peter Ross <pross@xvid.org> | 2019-01-26 23:48:59 +1100 |
| commit | 10a57f55e60902ab91388b8a46b73f1f4532f737 (patch) | |
| tree | bc3f38ff385804561712e1b0945d2876be6b7704 /libavcodec/vp56.c | |
| parent | f4756ee9f7cc41e03531b86fe9f4b5e7406065ba (diff) | |
| download | ffmpeg-10a57f55e60902ab91388b8a46b73f1f4532f737.tar.gz | |
avcodec/vp6: use rounded shift for chroma motion vector calculation
Partially fixes: https://trac.ffmpeg.org/ticket/1282
Signed-off-by: Peter Ross <pross@xvid.org>
Diffstat (limited to 'libavcodec/vp56.c')
| -rw-r--r-- | libavcodec/vp56.c | 8 |
1 files 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) |