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use RSHIFT

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Originally committed as revision 5773 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-07-16 21:09:32 +00:00
parent 4501e678e7
commit d2744e19e0
1 changed files with 4 additions and 11 deletions
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15
libavcodec/vp3.c
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@ -1145,17 +1145,10 @@ static int unpack_vectors(Vp3DecodeContext *s, GetBitContext *gb)
motion_y[4] += motion_y[k];
}
if (motion_x[4] >= 0)
motion_x[4] = (motion_x[4] + 2) / 4;
else
motion_x[4] = (motion_x[4] - 2) / 4;
motion_x[5] = motion_x[4];
if (motion_y[4] >= 0)
motion_y[4] = (motion_y[4] + 2) / 4;
else
motion_y[4] = (motion_y[4] - 2) / 4;
motion_y[5] = motion_y[4];
motion_x[5]=
motion_x[4]= RSHIFT(motion_x[4], 2);
motion_y[5]=
motion_y[4]= RSHIFT(motion_y[4], 2);
/* vector maintenance; vector[3] is treated as the
* last vector in this case */