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better spatial interpolation

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18658 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael 2006-06-09 10:29:35 +00:00
parent 33bd78a28e
commit 790e5ae5b4
2 changed files with 27 additions and 25 deletions
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29
libmpcodecs/vf_mcdeint.c
View File

@ -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, j;
int x, y, i;
int out_size;
for(i=0; i<3; i++){
@ -118,21 +118,22 @@ static void filter(struct vf_priv_s *p, uint8_t *dst[3], uint8_t *src[3], int ds
uint8_t *srcp= &src[i][x + y*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 spatial_score= ABS(srcp[-srcs-1] - srcp[+srcs-1])
+ABS(srcp[-srcs ] - srcp[+srcs ])
+ABS(srcp[-srcs+1] - srcp[+srcs+1]) - 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];
}
}
#define CHECK(j)\
{ int score= ABS(srcp[-srcs-1+j] - srcp[+srcs-1-j])\
+ ABS(srcp[-srcs +j] - srcp[+srcs -j])\
+ ABS(srcp[-srcs+1+j] - srcp[+srcs+1-j]);\
if(score < spatial_score){\
spatial_score= score;\
diff0= filp[-fils+j] - srcp[-srcs+j];\
diff1= filp[+fils-j] - srcp[+srcs-j];
CHECK(-1) CHECK(-2) }} }}
CHECK( 1) CHECK( 2) }} }}
#if 0
if((diff0 ^ diff1) > 0){
int mindiff= ABS(diff0) > ABS(diff1) ? diff1 : diff0;

23
libmpcodecs/vf_yadif.c
View File

@ -65,7 +65,7 @@ static void store_ref(struct vf_priv_s *p, uint8_t *src[3], int src_stride[3], i
}
static void filter(struct vf_priv_s *p, uint8_t *dst[3], int dst_stride[3], int width, int height, int parity, int tff){
int x, y, i, j;
int x, y, i;
for(i=0; i<3; i++){
int is_chroma= !!i;
@ -91,18 +91,19 @@ static void filter(struct vf_priv_s *p, uint8_t *dst[3], int dst_stride[3], int
int diff= MAX3(temporal_diff0>>1, temporal_diff1, temporal_diff2);
int spatial_pred= (c+e)>>1;
int spatial_score= ABS(cur[-refs-1] - cur[+refs-1]) + ABS(c-e)
+ ABS(cur[-refs+1] - cur[+refs+1]);
+ ABS(cur[-refs+1] - cur[+refs+1]) - 1;
for(j=-1; j<=1; j+=2){
int score= ABS(cur[-refs-1+j] - cur[+refs-1-j])
+ ABS(cur[-refs +j] - cur[+refs -j])
+ ABS(cur[-refs+1+j] - cur[+refs+1-j]) + 1;
#define CHECK(j)\
{ int score= ABS(cur[-refs-1+j] - cur[+refs-1-j])\
+ ABS(cur[-refs +j] - cur[+refs -j])\
+ ABS(cur[-refs+1+j] - cur[+refs+1-j]);\
if(score < spatial_score){\
spatial_score= score;\
spatial_pred= (cur[-refs +j] + cur[+refs -j])>>1;\
CHECK(-1) CHECK(-2) }} }}
CHECK( 1) CHECK( 2) }} }}
if(score < spatial_score){
spatial_score= score;
spatial_pred= (cur[-refs +j] + cur[+refs -j])>>1;
}
}
if(p->mode<2){
int b= (prev2[-2*refs] + next2[-2*refs])>>1;
int f= (prev2[+2*refs] + next2[+2*refs])>>1;