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simplify ff_h263_round_chroma() 

Originally committed as revision 9602 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-07-11 22:05:25 +00:00
parent efb6836fe3
commit c3d0c11bfb
1 changed files with 2 additions and 7 deletions
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9
libavcodec/mpegvideo.h
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@ -765,14 +765,9 @@ static inline int get_bits_diff(MpegEncContext *s){
static inline int ff_h263_round_chroma(int x){
static const uint8_t h263_chroma_roundtab[16] = {
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1,
};
if (x >= 0)
return (h263_chroma_roundtab[x & 0xf] + ((x >> 3) & ~1));
else {
x = -x;
return -(h263_chroma_roundtab[x & 0xf] + ((x >> 3) & ~1));
}
return h263_chroma_roundtab[x & 0xf] + (x >> 3);
}
/* motion_est.c */