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Make the horizontal C scaler code clip only against INT16_MAX not 0,

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this decreases the difference between C and MMX, its also faster.

Originally committed as revision 27593 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Michael Niedermayer
2008-09-12 22:29:21 +00:00
parent ceb700babb
commit 881c429407
1 changed files with 1 additions and 1 deletions
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libswscale/swscale_template.c
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@ -2330,7 +2330,7 @@ static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW
val += ((int)src[srcPos + j])*filter[filterSize*i + j]; val += ((int)src[srcPos + j])*filter[filterSize*i + j];
} }
//filter += hFilterSize; //filter += hFilterSize;
dst[i] = av_clip(val>>7, 0, (1<<15)-1); // the cubic equation does overflow ... dst[i] = FFMIN(val>>7, (1<<15)-1); // the cubic equation does overflow ...
//dst[i] = val>>7; //dst[i] = val>>7;
} }
#endif /* HAVE_ALTIVEC */ #endif /* HAVE_ALTIVEC */