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c speedup (x1, rk1 filters)

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Originally committed as revision 2587 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2001-10-31 02:29:02 +00:00
parent 02a0a992cd
commit 3407a97286
2 changed files with 30 additions and 30 deletions
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30
postproc/postprocess.c
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@ -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++;

30
postproc/postprocess_template.c
View File

@ -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++;