ffmpeg/FFmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-09-20 05:16:38 +00:00
Code Issues Packages Projects Releases Wiki Activity

nsse weight

Browse Source 
Originally committed as revision 3205 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-06-07 17:30:02 +00:00
parent e6a2ac3474
commit d4c5d2adf3
4 changed files with 21 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
libavcodec/avcodec.h
View File

@ -17,7 +17,7 @@ extern "C" {
#define FFMPEG_VERSION_INT 0x000408
#define FFMPEG_VERSION "0.4.8"
#define LIBAVCODEC_BUILD 4715
#define LIBAVCODEC_BUILD 4716
#define LIBAVCODEC_VERSION_INT FFMPEG_VERSION_INT
#define LIBAVCODEC_VERSION FFMPEG_VERSION
@ -1591,11 +1591,18 @@ typedef struct AVCodecContext {
int mb_threshold;
/**
*
* precision of the intra dc coefficient - 8.
* - encoding: set by user
* - decoding: unused
*/
int intra_dc_precision;
/**
* noise vs. sse weight for the nsse comparsion function.
* - encoding: set by user
* - decoding: unused
*/
int nsse_weight;
} AVCodecContext;

14
libavcodec/dsputil.c
View File

@ -2587,11 +2587,11 @@ static int pix_abs8_xy2_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size,
return s;
}
static int nsse16_c(/*MpegEncContext*/ void *c, uint8_t *s1, uint8_t *s2, int stride, int h){
static int nsse16_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2, int stride, int h){
int score1=0;
int score2=0;
int x,y;
for(y=0; y<h; y++){
for(x=0; x<16; x++){
score1+= (s1[x ] - s2[x ])*(s1[x ] - s2[x ]);
@ -2607,11 +2607,12 @@ static int nsse16_c(/*MpegEncContext*/ void *c, uint8_t *s1, uint8_t *s2, int st
s1+= stride;
s2+= stride;
}
return score1 + ABS(score2)*8;
if(c) return score1 + ABS(score2)*c->avctx->nsse_weight;
else return score1 + ABS(score2)*8;
}
static int nsse8_c(/*MpegEncContext*/ void *c, uint8_t *s1, uint8_t *s2, int stride, int h){
static int nsse8_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2, int stride, int h){
int score1=0;
int score2=0;
int x,y;
@ -2632,7 +2633,8 @@ static int nsse8_c(/*MpegEncContext*/ void *c, uint8_t *s1, uint8_t *s2, int str
s2+= stride;
}
return score1 + ABS(score2)*8;
if(c) return score1 + ABS(score2)*c->avctx->nsse_weight;
else return score1 + ABS(score2)*8;
}
static int try_8x8basis_c(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale){

2
libavcodec/motion_est.c
View File

@ -223,7 +223,6 @@ static inline int get_penalty_factor(MpegEncContext *s, int type){
switch(type&0xFF){
default:
case FF_CMP_SAD:
case FF_CMP_NSSE:
return s->lambda>>FF_LAMBDA_SHIFT;
case FF_CMP_DCT:
return (3*s->lambda)>>(FF_LAMBDA_SHIFT+1);
@ -232,6 +231,7 @@ static inline int get_penalty_factor(MpegEncContext *s, int type){
case FF_CMP_RD:
case FF_CMP_PSNR:
case FF_CMP_SSE:
case FF_CMP_NSSE:
return s->lambda2>>FF_LAMBDA_SHIFT;
case FF_CMP_BIT:
return 1;

6
libavcodec/mpegvideo.c
View File

@ -3917,9 +3917,9 @@ static int sse_mb(MpegEncContext *s){
if(w==16 && h==16)
if(s->avctx->mb_cmp == FF_CMP_NSSE){
return s->dsp.nsse[0](NULL, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], s->linesize, 16)
+s->dsp.nsse[1](NULL, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], s->uvlinesize, 8)
+s->dsp.nsse[1](NULL, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], s->uvlinesize, 8);
return s->dsp.nsse[0](s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], s->linesize, 16)
+s->dsp.nsse[1](s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], s->uvlinesize, 8)
+s->dsp.nsse[1](s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], s->uvlinesize, 8);
}else{
return s->dsp.sse[0](NULL, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], s->linesize, 16)
+s->dsp.sse[1](NULL, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], s->uvlinesize, 8)