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Code Issues Releases Wiki Activity

improved mc+src merge code

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18648 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael 2006-06-08 10:36:35 +00:00
parent 260979f21b
commit f4957d7a26
1 changed files with 21 additions and 11 deletions
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32
libmpcodecs/vf_mcdeint.c
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@ -89,7 +89,7 @@ struct vf_priv_s {
};
static void filter(struct vf_priv_s *p, uint8_t *dst[3], uint8_t *src[3], int dst_stride[3], int src_stride[3], int width, int height){
int x, y, i;
int x, y, i, j;
int out_size;
for(i=0; i<3; i++){
@ -116,25 +116,35 @@ static void filter(struct vf_priv_s *p, uint8_t *dst[3], uint8_t *src[3], int ds
if(x>0 && y>0 && x+1<w && y+1<h){
uint8_t *filp= &p->frame_dec->data[i][x + y*fils];
uint8_t *srcp= &src[i][x + y*srcs];
int diff0=
filp[-1-fils] + 2*filp[-fils] + filp[1-fils]
-srcp[-1-srcs] - 2*srcp[-srcs] - srcp[1-srcs];
int diff1=
+filp[-1+fils] + 2*filp[+fils] + filp[1+fils]
-srcp[-1+srcs] - 2*srcp[+srcs] - srcp[1+srcs];
int diff0= filp[-fils] - srcp[-srcs];
int diff1= filp[+fils] - srcp[+srcs];
int diffscore= ABS(srcp[-srcs-1] - srcp[+srcs-1])
+ABS(srcp[-srcs ] - srcp[+srcs ])
+ABS(srcp[-srcs+1] - srcp[+srcs+1]);
int temp= filp[0];
for(j=-1; j<=1; j+=2){
int score= ABS(srcp[-srcs+j-1] - srcp[+srcs-j-1])
+ABS(srcp[-srcs+j ] - srcp[+srcs-j ])
+ABS(srcp[-srcs+j+1] - srcp[+srcs-j+1]) + 1;
if(score < diffscore){
diffscore= score;
diff0= filp[-fils+j] - srcp[-srcs+j];
diff1= filp[+fils-j] - srcp[+srcs-j];
}
}
#if 0
if((diff0 ^ diff1) > 0){
int mindiff= ABS(diff0) > ABS(diff1) ? diff1 : diff0;
temp-= (mindiff + 2)>>2;
temp-= mindiff;
}
#elif 1
if(diff0 + diff1 > 0)
temp-= (diff0 + diff1 - ABS( ABS(diff0) - ABS(diff1) )/2)/8;
temp-= (diff0 + diff1 - ABS( ABS(diff0) - ABS(diff1) )/2)/2;
else
temp-= (diff0 + diff1 + ABS( ABS(diff0) - ABS(diff1) )/2)/8;
temp-= (diff0 + diff1 + ABS( ABS(diff0) - ABS(diff1) )/2)/2;
#else
temp-= (diff0 + diff1)/8;
temp-= (diff0 + diff1)/2;
#endif
#if 1
filp[0]=