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| author | Michael Niedermayer <michaelni@gmx.at> | 2001-10-31 02:29:02 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2001-10-31 02:29:02 +0000 |
| commit | 3407a972862e0f0b32403d795c8c2d34e7510d9e (patch) | |
| tree | 7a94df596ed15b6e62ad02f18a25bb567d0d2c6d | |
| parent | 02a0a992cd7e7fc8c6992ead07e42ae8a0e2e415 (diff) | |
c speedup (x1, rk1 filters)
Originally committed as revision 2587 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
| -rw-r--r-- | postproc/postprocess.c | 30 | ||||
| -rw-r--r-- | postproc/postprocess_template.c | 30 |
2 files changed, 30 insertions, 30 deletions
diff --git a/postproc/postprocess.c b/postproc/postprocess.c index da0bf13a17..ec792b4eac 100644 --- a/postproc/postprocess.c +++ b/postproc/postprocess.c @@ -670,20 +670,19 @@ static inline void vertRK1Filter(uint8_t *src, int stride, int QP) // const int l8= stride + l7; // const int l9= stride + l8; int x; + const int QP15= QP + (QP>>2); src+= stride*3; for(x=0; x<BLOCK_SIZE; x++) { - if(ABS(src[l4]-src[l5]) < QP + QP/4) + const int v = (src[x+l5] - src[x+l4]); + if(ABS(v) < QP15) { - int v = (src[l5] - src[l4]); - - src[l3] +=v/8; - src[l4] +=v/2; - src[l5] -=v/2; - src[l6] -=v/8; + src[x+l3] +=v>>3; + src[x+l4] +=v>>1; + src[x+l5] -=v>>1; + src[x+l6] -=v>>3; } - src++; } #endif @@ -803,18 +802,19 @@ static inline void vertX1Filter(uint8_t *src, int stride, int QP) int b= src[l4] - src[l5]; int c= src[l5] - src[l6]; - int d= MAX(ABS(b) - (ABS(a) + ABS(c))/2, 0); + int d= ABS(b) - ((ABS(a) + ABS(c))>>1); + d= MAX(d, 0); if(d < QP) { int v = d * SIGN(-b); - src[l2] +=v/8; - src[l3] +=v/4; - src[l4] +=3*v/8; - src[l5] -=3*v/8; - src[l6] -=v/4; - src[l7] -=v/8; + src[l2] +=v>>3; + src[l3] +=v>>2; + src[l4] +=(3*v)>>3; + src[l5] -=(3*v)>>3; + src[l6] -=v>>2; + src[l7] -=v>>3; } src++; diff --git a/postproc/postprocess_template.c b/postproc/postprocess_template.c index da0bf13a17..ec792b4eac 100644 --- a/postproc/postprocess_template.c +++ b/postproc/postprocess_template.c @@ -670,20 +670,19 @@ static inline void vertRK1Filter(uint8_t *src, int stride, int QP) // const int l8= stride + l7; // const int l9= stride + l8; int x; + const int QP15= QP + (QP>>2); src+= stride*3; for(x=0; x<BLOCK_SIZE; x++) { - if(ABS(src[l4]-src[l5]) < QP + QP/4) + const int v = (src[x+l5] - src[x+l4]); + if(ABS(v) < QP15) { - int v = (src[l5] - src[l4]); - - src[l3] +=v/8; - src[l4] +=v/2; - src[l5] -=v/2; - src[l6] -=v/8; + src[x+l3] +=v>>3; + src[x+l4] +=v>>1; + src[x+l5] -=v>>1; + src[x+l6] -=v>>3; } - src++; } #endif @@ -803,18 +802,19 @@ static inline void vertX1Filter(uint8_t *src, int stride, int QP) int b= src[l4] - src[l5]; int c= src[l5] - src[l6]; - int d= MAX(ABS(b) - (ABS(a) + ABS(c))/2, 0); + int d= ABS(b) - ((ABS(a) + ABS(c))>>1); + d= MAX(d, 0); if(d < QP) { int v = d * SIGN(-b); - src[l2] +=v/8; - src[l3] +=v/4; - src[l4] +=3*v/8; - src[l5] -=3*v/8; - src[l6] -=v/4; - src[l7] -=v/8; + src[l2] +=v>>3; + src[l3] +=v>>2; + src[l4] +=(3*v)>>3; + src[l5] -=(3*v)>>3; + src[l6] -=v>>2; + src[l7] -=v>>3; } src++; |