From e4faa31a0a68dbff320b419a3a73d6b028d770d5 Mon Sep 17 00:00:00 2001 From: Mans Rullgard Date: Sat, 26 Nov 2011 15:16:29 +0000 Subject: svq1dec: use sign_extend() Signed-off-by: Mans Rullgard --- libavcodec/svq1dec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'libavcodec/svq1dec.c') diff --git a/libavcodec/svq1dec.c b/libavcodec/svq1dec.c index a604f1dc96..8569615aa9 100644 --- a/libavcodec/svq1dec.c +++ b/libavcodec/svq1dec.c @@ -317,9 +317,9 @@ static int svq1_decode_motion_vector (GetBitContext *bitbuf, svq1_pmv *mv, svq1_ /* add median of motion vector predictors and clip result */ if (i == 1) - mv->y = ((diff + mid_pred(pmv[0]->y, pmv[1]->y, pmv[2]->y)) << 26) >> 26; + mv->y = sign_extend(diff + mid_pred(pmv[0]->y, pmv[1]->y, pmv[2]->y), 6); else - mv->x = ((diff + mid_pred(pmv[0]->x, pmv[1]->x, pmv[2]->x)) << 26) >> 26; + mv->x = sign_extend(diff + mid_pred(pmv[0]->x, pmv[1]->x, pmv[2]->x), 6); } return 0; -- cgit v1.2.3