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Code Issues Releases Activity

Adding 2 intra 8x8 cmp functions: vsad, vsse

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Originally committed as revision 17448 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Roman Shaposhnik 2009-02-19 00:30:24 +00:00
parent 4cff8dc88f
commit 7fb7f6367a
1 changed files with 35 additions and 26 deletions
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61
libavcodec/dsputil.c
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@ -3937,20 +3937,23 @@ static int bit8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2, in
return bits;
}
static int vsad_intra16_c(/*MpegEncContext*/ void *c, uint8_t *s, uint8_t *dummy, int stride, int h){
int score=0;
int x,y;
for(y=1; y<h; y++){
for(x=0; x<16; x+=4){
score+= FFABS(s[x ] - s[x +stride]) + FFABS(s[x+1] - s[x+1+stride])
+FFABS(s[x+2] - s[x+2+stride]) + FFABS(s[x+3] - s[x+3+stride]);
}
s+= stride;
}
return score;
#define VSAD_INTRA(size) \
static int vsad_intra##size##_c(/*MpegEncContext*/ void *c, uint8_t *s, uint8_t *dummy, int stride, int h){ \
int score=0; \
int x,y; \
\
for(y=1; y<h; y++){ \
for(x=0; x<size; x+=4){ \
score+= FFABS(s[x ] - s[x +stride]) + FFABS(s[x+1] - s[x+1+stride]) \
+FFABS(s[x+2] - s[x+2+stride]) + FFABS(s[x+3] - s[x+3+stride]); \
} \
s+= stride; \
} \
\
return score; \
}
VSAD_INTRA(8)
VSAD_INTRA(16)
static int vsad16_c(/*MpegEncContext*/ void *c, uint8_t *s1, uint8_t *s2, int stride, int h){
int score=0;
@ -3968,20 +3971,23 @@ static int vsad16_c(/*MpegEncContext*/ void *c, uint8_t *s1, uint8_t *s2, int st
}
#define SQ(a) ((a)*(a))
static int vsse_intra16_c(/*MpegEncContext*/ void *c, uint8_t *s, uint8_t *dummy, int stride, int h){
int score=0;
int x,y;
for(y=1; y<h; y++){
for(x=0; x<16; x+=4){
score+= SQ(s[x ] - s[x +stride]) + SQ(s[x+1] - s[x+1+stride])
+SQ(s[x+2] - s[x+2+stride]) + SQ(s[x+3] - s[x+3+stride]);
}
s+= stride;
}
return score;
#define VSSE_INTRA(size) \
static int vsse_intra##size##_c(/*MpegEncContext*/ void *c, uint8_t *s, uint8_t *dummy, int stride, int h){ \
int score=0; \
int x,y; \
\
for(y=1; y<h; y++){ \
for(x=0; x<size; x+=4){ \
score+= SQ(s[x ] - s[x +stride]) + SQ(s[x+1] - s[x+1+stride]) \
+SQ(s[x+2] - s[x+2+stride]) + SQ(s[x+3] - s[x+3+stride]); \
} \
s+= stride; \
} \
\
return score; \
}
VSSE_INTRA(8)
VSSE_INTRA(16)
static int vsse16_c(/*MpegEncContext*/ void *c, uint8_t *s1, uint8_t *s2, int stride, int h){
int score=0;
@ -4540,6 +4546,7 @@ void dsputil_init(DSPContext* c, AVCodecContext *avctx)
SET_CMP_FUNC(hadamard8_diff)
c->hadamard8_diff[4]= hadamard8_intra16_c;
c->hadamard8_diff[5]= hadamard8_intra8x8_c;
SET_CMP_FUNC(dct_sad)
SET_CMP_FUNC(dct_max)
#if CONFIG_GPL
@ -4555,8 +4562,10 @@ void dsputil_init(DSPContext* c, AVCodecContext *avctx)
SET_CMP_FUNC(bit)
c->vsad[0]= vsad16_c;
c->vsad[4]= vsad_intra16_c;
c->vsad[5]= vsad_intra8_c;
c->vsse[0]= vsse16_c;
c->vsse[4]= vsse_intra16_c;
c->vsse[5]= vsse_intra8_c;
c->nsse[0]= nsse16_c;
c->nsse[1]= nsse8_c;
#if CONFIG_SNOW_ENCODER