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Code Issues Releases Activity

finetuneing thresholds/factors

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nicer mb decission
a few minor improvements & fixes

Originally committed as revision 1472 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-01-19 17:55:13 +00:00
parent 0e5f8ab165
commit 6772518310
9 changed files with 377 additions and 117 deletions
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60
libavcodec/dsputil.c
View File

@ -1807,7 +1807,7 @@ static int quant_psnr8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *s
memcpy(bak, temp, 64*sizeof(DCTELEM));
s->fast_dct_quantize(s, temp, 0/*FIXME*/, s->qscale, &i);
s->block_last_index[0/*FIXME*/]= s->fast_dct_quantize(s, temp, 0/*FIXME*/, s->qscale, &i);
s->dct_unquantize(s, temp, 0, s->qscale);
simple_idct(temp); //FIXME
@ -1826,19 +1826,7 @@ static int rd8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2, int
const int esc_length= s->ac_esc_length;
uint8_t * length;
uint8_t * last_length;
s->mb_intra=0;
if (s->mb_intra) {
start_i = 1;
length = s->intra_ac_vlc_length;
last_length= s->intra_ac_vlc_last_length;
} else {
start_i = 0;
length = s->inter_ac_vlc_length;
last_length= s->inter_ac_vlc_last_length;
}
for(i=0; i<8; i++){
((uint32_t*)(bak + i*stride))[0]= ((uint32_t*)(src2 + i*stride))[0];
((uint32_t*)(bak + i*stride))[1]= ((uint32_t*)(src2 + i*stride))[1];
@ -1846,10 +1834,22 @@ static int rd8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2, int
s->dsp.diff_pixels(temp, src1, src2, stride);
last= s->fast_dct_quantize(s, temp, 0/*FIXME*/, s->qscale, &i);
s->block_last_index[0/*FIXME*/]= last= s->fast_dct_quantize(s, temp, 0/*FIXME*/, s->qscale, &i);
bits=0;
if(last>=0){
if (s->mb_intra) {
start_i = 1;
length = s->intra_ac_vlc_length;
last_length= s->intra_ac_vlc_last_length;
bits+= s->luma_dc_vlc_length[temp[0] + 256]; //FIXME chroma
} else {
start_i = 0;
length = s->inter_ac_vlc_length;
last_length= s->inter_ac_vlc_last_length;
}
if(last>=start_i){
run=0;
for(i=start_i; i<last; i++){
int j= scantable[i];
@ -1876,6 +1876,9 @@ static int rd8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2, int
}else
bits+= esc_length;
}
if(last>=0){
s->dct_unquantize(s, temp, 0, s->qscale);
}
@ -1883,7 +1886,7 @@ static int rd8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2, int
distoration= s->dsp.sse[1](NULL, bak, src1, stride);
return distoration + ((bits*s->qscale*s->qscale*105 + 64)>>7);
return distoration + ((bits*s->qscale*s->qscale*109 + 64)>>7);
}
static int bit8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2, int stride){
@ -1894,25 +1897,25 @@ static int bit8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2, in
const int esc_length= s->ac_esc_length;
uint8_t * length;
uint8_t * last_length;
s->dsp.diff_pixels(temp, src1, src2, stride);
s->mb_intra=0;
s->block_last_index[0/*FIXME*/]= last= s->fast_dct_quantize(s, temp, 0/*FIXME*/, s->qscale, &i);
bits=0;
if (s->mb_intra) {
start_i = 1;
start_i = 1;
length = s->intra_ac_vlc_length;
last_length= s->intra_ac_vlc_last_length;
bits+= s->luma_dc_vlc_length[temp[0] + 256]; //FIXME chroma
} else {
start_i = 0;
length = s->inter_ac_vlc_length;
last_length= s->inter_ac_vlc_last_length;
}
s->dsp.diff_pixels(temp, src1, src2, stride);
last= s->fast_dct_quantize(s, temp, 0/*FIXME*/, s->qscale, &i);
bits=0;
if(last>=0){
if(last>=start_i){
run=0;
for(i=start_i; i<last; i++){
int j= scantable[i];
@ -1929,10 +1932,11 @@ static int bit8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2, in
run++;
}
i= scantable[last];
assert(level);
level= temp[i] + 64;
assert(level - 64);
if((level&(~127)) == 0){
bits+= last_length[UNI_AC_ENC_INDEX(run, level)];
}else

20
libavcodec/h263.c
View File

@ -74,8 +74,10 @@ static inline int ff_mpeg4_pred_dc(MpegEncContext * s, int n, UINT16 **dc_val_pt
extern UINT32 inverse[256];
static UINT16 uni_DCtab_lum [512][2];
static UINT16 uni_DCtab_chrom[512][2];
static UINT8 uni_DCtab_lum_len[512];
static UINT8 uni_DCtab_chrom_len[512];
static UINT16 uni_DCtab_lum_bits[512];
static UINT16 uni_DCtab_chrom_bits[512];
#ifdef CONFIG_ENCODERS
static UINT16 (*mv_penalty)[MAX_MV*2+1]= NULL;
@ -1309,8 +1311,8 @@ static void init_uni_dc_tab(void)
uni_len++;
}
}
uni_DCtab_lum[level+256][0]= uni_code;
uni_DCtab_lum[level+256][1]= uni_len;
uni_DCtab_lum_bits[level+256]= uni_code;
uni_DCtab_lum_len [level+256]= uni_len;
/* chrominance */
uni_code= DCtab_chrom[size][0];
@ -1324,8 +1326,8 @@ static void init_uni_dc_tab(void)
uni_len++;
}
}
uni_DCtab_chrom[level+256][0]= uni_code;
uni_DCtab_chrom[level+256][1]= uni_len;
uni_DCtab_chrom_bits[level+256]= uni_code;
uni_DCtab_chrom_len [level+256]= uni_len;
}
}
@ -1446,6 +1448,8 @@ void h263_encode_init(MpegEncContext *s)
s->intra_ac_vlc_last_length= uni_mpeg4_intra_rl_len + 128*64;
s->inter_ac_vlc_length = uni_mpeg4_inter_rl_len;
s->inter_ac_vlc_last_length= uni_mpeg4_inter_rl_len + 128*64;
s->luma_dc_vlc_length= uni_DCtab_lum_len;
s->chroma_dc_vlc_length= uni_DCtab_chrom_len;
s->ac_esc_length= 7+2+1+6+1+12+1;
break;
case CODEC_ID_H263P:
@ -1957,10 +1961,10 @@ static inline void mpeg4_encode_dc(PutBitContext * s, int level, int n)
level+=256;
if (n < 4) {
/* luminance */
put_bits(s, uni_DCtab_lum[level][1], uni_DCtab_lum[level][0]);
put_bits(s, uni_DCtab_lum_len[level], uni_DCtab_lum_bits[level]);
} else {
/* chrominance */
put_bits(s, uni_DCtab_chrom[level][1], uni_DCtab_chrom[level][0]);
put_bits(s, uni_DCtab_chrom_len[level], uni_DCtab_chrom_bits[level]);
}
#else
int size, v;

3
libavcodec/i386/mpegvideo_mmx_template.c
View File

@ -53,8 +53,7 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
if (!s->h263_aic) {
#if 1
asm volatile (
"xorl %%edx, %%edx \n\t"
"mul %%ecx \n\t"
"imul %%ecx \n\t"
: "=d" (level), "=a"(dummy)
: "a" ((block[0]>>2) + q), "c" (inverse[q<<1])
);

3
libavcodec/mem.c
View File

@ -29,6 +29,9 @@
void *av_malloc(unsigned int size)
{
void *ptr;
// if(size==0) return NULL;
#if defined (HAVE_MEMALIGN)
ptr = memalign(16,size);
/* Why 64?

199
libavcodec/motion_est.c
View File

@ -305,20 +305,21 @@ static void set_cmp(MpegEncContext *s, me_cmp_func *cmp, int type){
};
static inline int get_penalty_factor(MpegEncContext *s, int type){
switch(type){
switch(type&0xFF){
default:
case FF_CMP_SAD:
return s->qscale;
return s->qscale*2;
case FF_CMP_DCT:
return s->qscale*3;
case FF_CMP_SATD:
return s->qscale*6;
case FF_CMP_SSE:
case FF_CMP_PSNR:
return s->qscale*8;
return s->qscale*s->qscale*2;
case FF_CMP_BIT:
return 1;
case FF_CMP_RD:
return (s->qscale*s->qscale*105 + 64)>>7;
case FF_CMP_PSNR:
return (s->qscale*s->qscale*185 + 64)>>7;
}
}
@ -336,7 +337,9 @@ void ff_init_me(MpegEncContext *s){
}else{
if(s->avctx->me_sub_cmp&FF_CMP_CHROMA)
s->me.sub_motion_search= simple_chroma_hpel_motion_search;
else if(s->avctx->me_sub_cmp == FF_CMP_SAD && s->avctx->me_cmp == FF_CMP_SAD)
else if( s->avctx->me_sub_cmp == FF_CMP_SAD
&& s->avctx-> me_cmp == FF_CMP_SAD
&& s->avctx-> mb_cmp == FF_CMP_SAD)
s->me.sub_motion_search= sad_hpel_motion_search;
else
s->me.sub_motion_search= simple_hpel_motion_search;
@ -355,6 +358,18 @@ void ff_init_me(MpegEncContext *s){
}else{
s->me.pre_motion_search= simple_epzs_motion_search;
}
if(s->flags&CODEC_FLAG_QPEL){
if(s->avctx->mb_cmp&FF_CMP_CHROMA)
s->me.get_mb_score= simple_chroma_qpel_get_mb_score;
else
s->me.get_mb_score= simple_qpel_get_mb_score;
}else{
if(s->avctx->mb_cmp&FF_CMP_CHROMA)
s->me.get_mb_score= simple_chroma_hpel_get_mb_score;
else
s->me.get_mb_score= simple_hpel_get_mb_score;
}
}
static int pix_dev(UINT8 * pix, int line_size, int mean)
@ -788,12 +803,11 @@ static inline void get_limits(MpegEncContext *s, int *range, int *xmin, int *ymi
}
}
static inline int mv4_search(MpegEncContext *s, int xmin, int ymin, int xmax, int ymax, int mx, int my, int shift)
static inline int h263_mv4_search(MpegEncContext *s, int xmin, int ymin, int xmax, int ymax, int mx, int my, int shift)
{
int block;
int P[10][2];
uint8_t *ref_picture= s->last_picture.data[0];
int dmin_sum=0;
int dmin_sum=0, mx4_sum=0, my4_sum=0;
uint16_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
for(block=0; block<4; block++){
@ -838,13 +852,15 @@ static inline int mv4_search(MpegEncContext *s, int xmin, int ymin, int xmax, in
P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
if(s->out_format == FMT_H263){
// if(s->out_format == FMT_H263){
pred_x4 = P_MEDIAN[0];
pred_y4 = P_MEDIAN[1];
#if 0
}else { /* mpeg1 at least */
pred_x4= P_LEFT[0];
pred_y4= P_LEFT[1];
}
#endif
}
P_MV1[0]= mx;
P_MV1[1]= my;
@ -855,11 +871,79 @@ static inline int mv4_search(MpegEncContext *s, int xmin, int ymin, int xmax, in
dmin4= s->me.sub_motion_search(s, &mx4, &my4, dmin4, rel_xmin4, rel_ymin4, rel_xmax4, rel_ymax4,
pred_x4, pred_y4, &s->last_picture, block, 1, mv_penalty);
if(s->dsp.me_sub_cmp != s->dsp.mb_cmp){
int dxy;
const int offset= ((block&1) + (block>>1)*s->linesize)*8;
uint8_t *dest_y = s->me.scratchpad + offset;
if(s->quarter_sample){
uint8_t *ref= s->last_picture.data[0] + (s->mb_x*16 + (mx4>>2)) + (s->mb_y*16 + (my4>>2))*s->linesize + offset;
dxy = ((my4 & 3) << 2) | (mx4 & 3);
if(s->no_rounding)
s->dsp.put_no_rnd_qpel_pixels_tab[0][dxy](dest_y , ref , s->linesize);
else
s->dsp.put_qpel_pixels_tab [0][dxy](dest_y , ref , s->linesize);
}else{
uint8_t *ref= s->last_picture.data[0] + (s->mb_x*16 + (mx4>>1)) + (s->mb_y*16 + (my4>>1))*s->linesize + offset;
dxy = ((my4 & 1) << 1) | (mx4 & 1);
if(s->no_rounding)
s->dsp.put_no_rnd_pixels_tab[0][dxy](dest_y , ref , s->linesize, 16);
else
s->dsp.put_pixels_tab [0][dxy](dest_y , ref , s->linesize, 16);
}
dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*s->me.mb_penalty_factor;
}else
dmin_sum+= dmin4;
if(s->quarter_sample){
mx4_sum+= mx4/2;
my4_sum+= my4/2;
}else{
mx4_sum+= mx4;
my4_sum+= my4;
}
s->motion_val[ s->block_index[block] ][0]= mx4;
s->motion_val[ s->block_index[block] ][1]= my4;
dmin_sum+= dmin4;
}
return dmin_sum;
if(s->dsp.me_sub_cmp != s->dsp.mb_cmp){
dmin_sum += s->dsp.mb_cmp[0](s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*16*s->linesize, s->me.scratchpad, s->linesize);
}
if(s->avctx->mb_cmp&FF_CMP_CHROMA){
int dxy;
int mx, my;
int offset;
mx= ff_h263_round_chroma(mx4_sum);
my= ff_h263_round_chroma(my4_sum);
dxy = ((my & 1) << 1) | (mx & 1);
offset= (s->mb_x*8 + (mx>>1)) + (s->mb_y*8 + (my>>1))*s->uvlinesize;
if(s->no_rounding){
s->dsp.put_no_rnd_pixels_tab[1][dxy](s->me.scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
s->dsp.put_no_rnd_pixels_tab[1][dxy](s->me.scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
}else{
s->dsp.put_pixels_tab [1][dxy](s->me.scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
s->dsp.put_pixels_tab [1][dxy](s->me.scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
}
dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, s->me.scratchpad , s->uvlinesize);
dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, s->me.scratchpad+8, s->uvlinesize);
}
switch(s->avctx->mb_cmp&0xFF){
/*case FF_CMP_SSE:
return dmin_sum+ 32*s->qscale*s->qscale;*/
case FF_CMP_RD:
return dmin_sum;
default:
return dmin_sum+ 11*s->me.mb_penalty_factor;
}
}
void ff_estimate_p_frame_motion(MpegEncContext * s,
@ -881,6 +965,7 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
s->me.penalty_factor = get_penalty_factor(s, s->avctx->me_cmp);
s->me.sub_penalty_factor= get_penalty_factor(s, s->avctx->me_sub_cmp);
s->me.mb_penalty_factor = get_penalty_factor(s, s->avctx->mb_cmp);
get_limits(s, &range, &xmin, &ymin, &xmax, &ymax, s->f_code);
rel_xmin= xmin - mb_x*16;
@ -971,6 +1056,7 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
pic->mb_var [s->mb_width * mb_y + mb_x] = varc;
pic->mc_mb_var[s->mb_width * mb_y + mb_x] = vard;
pic->mb_mean [s->mb_width * mb_y + mb_x] = (sum+128)>>8;
// pic->mb_cmp_score[s->mb_width * mb_y + mb_x] = dmin;
pic->mb_var_sum += varc;
pic->mc_mb_var_sum += vard;
//printf("E%d %d %d %X %X %X\n", s->mb_width, mb_x, mb_y,(int)s, (int)s->mb_var, (int)s->mc_mb_var); fflush(stdout);
@ -997,44 +1083,36 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
}
if((s->flags&CODEC_FLAG_4MV)
&& !s->me.skip && varc>50 && vard>10){
mv4_search(s, rel_xmin, rel_ymin, rel_xmax, rel_ymax, mx, my, shift);
h263_mv4_search(s, rel_xmin, rel_ymin, rel_xmax, rel_ymax, mx, my, shift);
mb_type|=MB_TYPE_INTER4V;
set_p_mv_tables(s, mx, my, 0);
}else
set_p_mv_tables(s, mx, my, 1);
}else{
if (vard <= 64 || vard < varc) {
// if (sadP <= 32 || sadP < sadI + 500) {
s->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
mb_type|= MB_TYPE_INTER;
if (s->me_method != ME_ZERO) {
dmin= s->me.sub_motion_search(s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
pred_x, pred_y, &s->last_picture, 0, 0, mv_penalty);
if((s->flags&CODEC_FLAG_4MV)
&& !s->me.skip && varc>50 && vard>10){
int dmin4= mv4_search(s, rel_xmin, rel_ymin, rel_xmax, rel_ymax, mx, my, shift);
if(dmin4 + 128 <dmin)
mb_type= MB_TYPE_INTER4V;
}
set_p_mv_tables(s, mx, my, mb_type!=MB_TYPE_INTER4V);
mb_type= MB_TYPE_INTER;
} else {
mx <<=shift;
my <<=shift;
dmin= s->me.sub_motion_search(s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
pred_x, pred_y, &s->last_picture, 0, 0, mv_penalty);
if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
dmin= s->me.get_mb_score(s, mx, my, pred_x, pred_y, &s->last_picture, mv_penalty);
if((s->flags&CODEC_FLAG_4MV)
&& !s->me.skip && varc>50 && vard>10){
int dmin4= h263_mv4_search(s, rel_xmin, rel_ymin, rel_xmax, rel_ymax, mx, my, shift);
if(dmin4 < dmin){
mb_type= MB_TYPE_INTER4V;
dmin=dmin4;
}
#if 0
if (vard < 10) {
skip++;
fprintf(stderr,"\nEarly skip: %d vard: %2d varc: %5d dmin: %d",
skip, vard, varc, dmin);
}
#endif
}
pic->mb_cmp_score[s->mb_width * mb_y + mb_x] = dmin;
set_p_mv_tables(s, mx, my, mb_type!=MB_TYPE_INTER4V);
if (vard <= 64 || vard < varc) {
s->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
}else{
s->scene_change_score+= s->qscale;
mb_type|= MB_TYPE_INTRA;
mx = 0;
my = 0;
}
}
@ -1117,6 +1195,7 @@ int ff_estimate_motion_b(MpegEncContext * s,
s->me.penalty_factor = get_penalty_factor(s, s->avctx->me_cmp);
s->me.sub_penalty_factor= get_penalty_factor(s, s->avctx->me_sub_cmp);
s->me.mb_penalty_factor = get_penalty_factor(s, s->avctx->mb_cmp);
get_limits(s, &range, &xmin, &ymin, &xmax, &ymax, f_code);
rel_xmin= xmin - mb_x*16;
@ -1186,6 +1265,10 @@ int ff_estimate_motion_b(MpegEncContext * s,
dmin= s->me.sub_motion_search(s, &mx, &my, dmin, rel_xmin, rel_ymin, rel_xmax, rel_ymax,
pred_x, pred_y, picture, 0, 0, mv_penalty);
if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
dmin= s->me.get_mb_score(s, mx, my, pred_x, pred_y, picture, mv_penalty);
//printf("%d %d %d %d//", s->mb_x, s->mb_y, mx, my);
// s->mb_type[mb_y*s->mb_width + mb_x]= mb_type;
mv_table[mot_xy][0]= mx;
@ -1249,10 +1332,14 @@ static inline int check_bidir_mv(MpegEncContext * s,
s->dsp.avg_pixels_tab[0][dxy](dest_y , ptr , s->linesize, 16);
}
fbmin = (mv_penalty[motion_fx-pred_fx] + mv_penalty[motion_fy-pred_fy])*s->me.sub_penalty_factor
+(mv_penalty[motion_bx-pred_bx] + mv_penalty[motion_by-pred_by])*s->me.sub_penalty_factor;
+ s->dsp.me_sub_cmp[0](s, s->new_picture.data[0] + mb_x*16 + mb_y*16*s->linesize, dest_y, s->linesize);
fbmin = (mv_penalty[motion_fx-pred_fx] + mv_penalty[motion_fy-pred_fy])*s->me.mb_penalty_factor
+(mv_penalty[motion_bx-pred_bx] + mv_penalty[motion_by-pred_by])*s->me.mb_penalty_factor
+ s->dsp.mb_cmp[0](s, s->new_picture.data[0] + mb_x*16 + mb_y*16*s->linesize, dest_y, s->linesize);
if(s->avctx->mb_cmp&FF_CMP_CHROMA){
}
//FIXME CHROMA !!!
return fbmin;
}
@ -1356,17 +1443,24 @@ static inline int direct_search(MpegEncContext * s,
P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
}
//FIXME direct_search ptr in context!!! (needed for chroma anyway or this will get messy)
if(s->flags&CODEC_FLAG_QPEL){
dmin = simple_direct_qpel_epzs_motion_search(s, 0, &mx, &my, P, 0, 0, xmin, ymin, xmax, ymax,
&s->last_picture, mv_table, 1<<14, mv_penalty);
dmin = simple_direct_qpel_qpel_motion_search(s, &mx, &my, dmin, xmin, ymin, xmax, ymax,
0, 0, &s->last_picture, 0, 0, mv_penalty);
if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
dmin= simple_direct_qpel_qpel_get_mb_score(s, mx, my, 0, 0, &s->last_picture, mv_penalty);
}else{
dmin = simple_direct_hpel_epzs_motion_search(s, 0, &mx, &my, P, 0, 0, xmin, ymin, xmax, ymax,
&s->last_picture, mv_table, 1<<15, mv_penalty);
dmin = simple_direct_hpel_hpel_motion_search(s, &mx, &my, dmin, xmin, ymin, xmax, ymax,
0, 0, &s->last_picture, 0, 0, mv_penalty);
if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
dmin= simple_direct_hpel_hpel_get_mb_score(s, mx, my, 0, 0, &s->last_picture, mv_penalty);
}
s->b_direct_mv_table[mot_xy][0]= mx;
@ -1377,18 +1471,18 @@ static inline int direct_search(MpegEncContext * s,
void ff_estimate_b_frame_motion(MpegEncContext * s,
int mb_x, int mb_y)
{
const int penalty_factor= s->me.penalty_factor;
const int penalty_factor= s->me.mb_penalty_factor;
int fmin, bmin, dmin, fbmin;
int type=0;
dmin= direct_search(s, mb_x, mb_y);
fmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, &s->last_picture, s->f_code);
bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, &s->next_picture, s->b_code) - penalty_factor;
fmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, &s->last_picture, s->f_code) + 3*penalty_factor;
bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, &s->next_picture, s->b_code) + 2*penalty_factor;
//printf(" %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
fbmin= bidir_refine(s, mb_x, mb_y);
fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor;
//printf("%d %d %d %d\n", dmin, fmin, bmin, fbmin);
{
int score= dmin;
type=MB_TYPE_DIRECT;
@ -1405,9 +1499,10 @@ void ff_estimate_b_frame_motion(MpegEncContext * s,
score=fbmin;
type= MB_TYPE_BIDIR;
}
score= ((unsigned)(score*score + 128*256))>>16;
s->current_picture.mc_mb_var_sum += score;
s->current_picture.mc_mb_var[mb_y*s->mb_width + mb_x] = score; //FIXME use SSD
s->current_picture.mc_mb_var[mb_y*s->mb_width + mb_x] = score; //FIXME use SSE
}
if(s->flags&CODEC_FLAG_HQ){

79
libavcodec/motion_est_template.c
View File

@ -39,7 +39,7 @@
qpel_mc_func (*qpel_put)[16];\
qpel_mc_func (*qpel_avg)[16]= &s->dsp.avg_qpel_pixels_tab[size];\
const __attribute__((unused)) int unu= time_pp + time_pb + (int)src_u + (int)src_v + (int)ref_u + (int)ref_v\
+ (int)ref2_y + (int)hpel_avg + (int)qpel_avg;\
+ (int)ref2_y + (int)hpel_avg + (int)qpel_avg + (int)score_map;\
if(s->no_rounding /*FIXME b_type*/){\
hpel_put= &s->dsp.put_no_rnd_pixels_tab[size];\
chroma_hpel_put= &s->dsp.put_no_rnd_pixels_tab[size+1];\
@ -144,6 +144,7 @@ static int RENAME(hpel_motion_search)(MpegEncContext * s,
const int my = *my_ptr;
const int penalty_factor= s->me.sub_penalty_factor;
me_cmp_func cmp_sub, chroma_cmp_sub;
int bx=2*mx, by=2*my;
LOAD_COMMON(xx, yy);
@ -166,7 +167,6 @@ static int RENAME(hpel_motion_search)(MpegEncContext * s,
if (mx > xmin && mx < xmax &&
my > ymin && my < ymax) {
int bx=2*mx, by=2*my;
int d= dmin;
const int index= (my<<ME_MAP_SHIFT) + mx;
const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)]
@ -178,7 +178,7 @@ static int RENAME(hpel_motion_search)(MpegEncContext * s,
const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)]
+ (mv_penalty[bx - pred_x] + mv_penalty[by+2 - pred_y])*s->me.penalty_factor;
#if 0
#if 1
int key;
int map_generation= s->me.map_generation;
uint32_t *map= s->me.map;
@ -231,20 +231,50 @@ static int RENAME(hpel_motion_search)(MpegEncContext * s,
CHECK_HALF_MV(0, 1, mx , my)
}
assert(bx >= xmin*2 && bx <= xmax*2 && by >= ymin*2 && by <= ymax*2);
*mx_ptr = bx;
*my_ptr = by;
}else{
*mx_ptr =2*mx;
*my_ptr =2*my;
}
*mx_ptr = bx;
*my_ptr = by;
return dmin;
}
#endif
static int RENAME(hpel_get_mb_score)(MpegEncContext * s, int mx, int my, int pred_x, int pred_y, Picture *ref_picture,
uint16_t * const mv_penalty)
{
// const int check_luma= s->dsp.me_sub_cmp != s->dsp.mb_cmp;
const int size= 0;
const int xx = 16 * s->mb_x;
const int yy = 16 * s->mb_y;
const int penalty_factor= s->me.mb_penalty_factor;
const int xmin= -256*256, ymin= -256*256, xmax= 256*256, ymax= 256*256; //assume that the caller checked these
const __attribute__((unused)) int unu2= xmin + xmax +ymin + ymax; //no unused warning shit
me_cmp_func cmp_sub, chroma_cmp_sub;
int d;
LOAD_COMMON(xx, yy);
//FIXME factorize
cmp_sub= s->dsp.mb_cmp[size];
chroma_cmp_sub= s->dsp.mb_cmp[size+1];
assert(!s->me.skip);
assert(s->avctx->me_sub_cmp != s->avctx->mb_cmp);
CMP_HPEL(d, mx&1, my&1, mx>>1, my>>1, size);
//FIXME check cbp before adding penalty for (0,0) vector
if(mx || my || size>0)
d += (mv_penalty[mx - pred_x] + mv_penalty[my - pred_y])*penalty_factor;
return d;
}
#endif /* CMP_HPEL */
#ifdef CMP_QPEL
#define CHECK_QUARTER_MV(dx, dy, x, y)\
@ -477,6 +507,37 @@ static int RENAME(qpel_motion_search)(MpegEncContext * s,
return dmin;
}
static int RENAME(qpel_get_mb_score)(MpegEncContext * s, int mx, int my, int pred_x, int pred_y, Picture *ref_picture,
uint16_t * const mv_penalty)
{
const int size= 0;
const int xx = 16 * s->mb_x;
const int yy = 16 * s->mb_y;
const int penalty_factor= s->me.mb_penalty_factor;
const int xmin= -256*256, ymin= -256*256, xmax= 256*256, ymax= 256*256; //assume that the caller checked these
const __attribute__((unused)) int unu2= xmin + xmax +ymin + ymax; //no unused warning shit
me_cmp_func cmp_sub, chroma_cmp_sub;
int d;
LOAD_COMMON(xx, yy);
//FIXME factorize
cmp_sub= s->dsp.mb_cmp[size];
chroma_cmp_sub= s->dsp.mb_cmp[size+1];
assert(!s->me.skip);
assert(s->avctx->me_sub_cmp != s->avctx->mb_cmp);
CMP_QPEL(d, mx&3, my&3, mx>>2, my>>2, size);
//FIXME check cbp before adding penalty for (0,0) vector
if(mx || my || size>0)
d += (mv_penalty[mx - pred_x] + mv_penalty[my - pred_y])*penalty_factor;
return d;
}
#endif /* CMP_QPEL */
#define CHECK_MV(x,y)\

117
libavcodec/mpegvideo.c
View File

@ -80,6 +80,7 @@ static const uint8_t simple_mmx_permutation[64]={
};
static const uint8_t h263_chroma_roundtab[16] = {
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
};
@ -313,6 +314,7 @@ static int alloc_picture(MpegEncContext *s, Picture *pic, int shared){
CHECKED_ALLOCZ(pic->mb_var , s->mb_num * sizeof(INT16))
CHECKED_ALLOCZ(pic->mc_mb_var, s->mb_num * sizeof(INT16))
CHECKED_ALLOCZ(pic->mb_mean , s->mb_num * sizeof(INT8))
CHECKED_ALLOCZ(pic->mb_cmp_score, s->mb_num * sizeof(int32_t))
}
CHECKED_ALLOCZ(pic->mbskip_table , s->mb_num * sizeof(UINT8)+1) //the +1 is for the slice end check
@ -338,6 +340,7 @@ static void free_picture(MpegEncContext *s, Picture *pic){
av_freep(&pic->mb_var);
av_freep(&pic->mc_mb_var);
av_freep(&pic->mb_mean);
av_freep(&pic->mb_cmp_score);
av_freep(&pic->mbskip_table);
av_freep(&pic->qscale_table);
@ -1663,6 +1666,14 @@ static inline void qpel_motion(MpegEncContext *s,
pix_op[1][dxy](dest_cr + (dest_offset >> 1), ptr, uvlinesize, h >> 1);
}
inline int ff_h263_round_chroma(int x){
if (x >= 0)
return (h263_chroma_roundtab[x & 0xf] + ((x >> 3) & ~1));
else {
x = -x;
return -(h263_chroma_roundtab[x & 0xf] + ((x >> 3) & ~1));
}
}
static inline void MPV_motion(MpegEncContext *s,
UINT8 *dest_y, UINT8 *dest_cb, UINT8 *dest_cr,
@ -1773,20 +1784,8 @@ static inline void MPV_motion(MpegEncContext *s,
if(s->flags&CODEC_FLAG_GRAY) break;
/* In case of 8X8, we construct a single chroma motion vector
with a special rounding */
for(i=0;i<4;i++) {
}
if (mx >= 0)
mx = (h263_chroma_roundtab[mx & 0xf] + ((mx >> 3) & ~1));
else {
mx = -mx;
mx = -(h263_chroma_roundtab[mx & 0xf] + ((mx >> 3) & ~1));
}
if (my >= 0)
my = (h263_chroma_roundtab[my & 0xf] + ((my >> 3) & ~1));
else {
my = -my;
my = -(h263_chroma_roundtab[my & 0xf] + ((my >> 3) & ~1));
}
mx= ff_h263_round_chroma(mx);
my= ff_h263_round_chroma(my);
dxy = ((my & 1) << 1) | (mx & 1);
mx >>= 1;
my >>= 1;
@ -2796,6 +2795,7 @@ static void encode_picture(MpegEncContext *s, int picture_number)
s->no_rounding ^= 1;
}
/* Estimate motion for every MB */
s->mb_intra=0; //for the rate distoration & bit compare functions
if(s->pict_type != I_TYPE){
if(s->pict_type != B_TYPE){
if((s->avctx->pre_me && s->last_non_b_pict_type==I_TYPE) || s->avctx->pre_me==2){
@ -2986,7 +2986,7 @@ static void encode_picture(MpegEncContext *s, int picture_number)
s->block_index[4]= s->block_wrap[4]*(mb_y + 1) + s->block_wrap[0]*(s->mb_height*2 + 2);
s->block_index[5]= s->block_wrap[4]*(mb_y + 1 + s->mb_height + 2) + s->block_wrap[0]*(s->mb_height*2 + 2);
for(mb_x=0; mb_x < s->mb_width; mb_x++) {
const int mb_type= s->mb_type[mb_y * s->mb_width + mb_x];
int mb_type= s->mb_type[mb_y * s->mb_width + mb_x];
const int xy= (mb_y+1) * (s->mb_width+2) + mb_x + 1;
// int d;
int dmin=10000000;
@ -3152,8 +3152,93 @@ static void encode_picture(MpegEncContext *s, int picture_number)
s->last_bits= get_bit_count(&s->pb);
} else {
int motion_x, motion_y;
int intra_score;
int inter_score= s->current_picture.mb_cmp_score[mb_x + mb_y*s->mb_width];
if(!(s->flags&CODEC_FLAG_HQ) && s->pict_type==P_TYPE){
/* get luma score */
if((s->avctx->mb_cmp&0xFF)==FF_CMP_SSE){
intra_score= (s->current_picture.mb_var[mb_x + mb_y*s->mb_width]<<8) - 500; //FIXME dont scale it down so we dont have to fix it
}else{
uint8_t *dest_y;
int mean= s->current_picture.mb_mean[mb_x + mb_y*s->mb_width]; //FIXME
mean*= 0x01010101;
dest_y = s->new_picture.data[0] + (mb_y * 16 * s->linesize ) + mb_x * 16;
for(i=0; i<16; i++){
*(uint32_t*)(&s->me.scratchpad[i*s->linesize+ 0]) = mean;
*(uint32_t*)(&s->me.scratchpad[i*s->linesize+ 4]) = mean;
*(uint32_t*)(&s->me.scratchpad[i*s->linesize+ 8]) = mean;
*(uint32_t*)(&s->me.scratchpad[i*s->linesize+12]) = mean;
}
s->mb_intra=1;
intra_score= s->dsp.mb_cmp[0](s, s->me.scratchpad, dest_y, s->linesize);
/* printf("intra:%7d inter:%7d var:%7d mc_var.%7d\n", intra_score>>8, inter_score>>8,
s->current_picture.mb_var[mb_x + mb_y*s->mb_width],
s->current_picture.mc_mb_var[mb_x + mb_y*s->mb_width]);*/
}
/* get chroma score */
if(s->avctx->mb_cmp&FF_CMP_CHROMA){
int i;
s->mb_intra=1;
for(i=1; i<3; i++){
uint8_t *dest_c;
int mean;
if(s->out_format == FMT_H263){
mean= (s->dc_val[i][mb_x + (mb_y+1)*(s->mb_width+2)] + 4)>>3; //FIXME not exact but simple ;)
}else{
mean= (s->last_dc[i] + 4)>>3;
}
dest_c = s->new_picture.data[i] + (mb_y * 8 * (s->uvlinesize)) + mb_x * 8;
mean*= 0x01010101;
for(i=0; i<8; i++){
*(uint32_t*)(&s->me.scratchpad[i*s->uvlinesize+ 0]) = mean;
*(uint32_t*)(&s->me.scratchpad[i*s->uvlinesize+ 4]) = mean;
}
intra_score+= s->dsp.mb_cmp[1](s, s->me.scratchpad, dest_c, s->uvlinesize);
}
}
/* bias */
switch(s->avctx->mb_cmp&0xFF){
default:
case FF_CMP_SAD:
intra_score+= 32*s->qscale;
break;
case FF_CMP_SSE:
intra_score+= 24*s->qscale*s->qscale;
break;
case FF_CMP_SATD:
intra_score+= 96*s->qscale;
break;
case FF_CMP_DCT:
intra_score+= 48*s->qscale;
break;
case FF_CMP_BIT:
intra_score+= 16;
break;
case FF_CMP_PSNR:
case FF_CMP_RD:
intra_score+= (s->qscale*s->qscale*109*8 + 64)>>7;
break;
}
if(intra_score < inter_score)
mb_type= MB_TYPE_INTRA;
}
s->mv_type=MV_TYPE_16X16;
// only one MB-Type possible
switch(mb_type){
case MB_TYPE_INTRA:
s->mv_dir = MV_DIR_FORWARD;
@ -3383,7 +3468,7 @@ static int dct_quantize_trellis_c(MpegEncContext *s,
return last_non_zero;
}
lambda= (qscale*qscale*64*82 + 50)/100; //FIXME finetune
lambda= (qscale*qscale*64*105 + 64)>>7; //FIXME finetune
score_tab[0]= 0;
for(i=0; i<=last_non_zero - start_i; i++){

8
libavcodec/mpegvideo.h
View File

@ -98,7 +98,6 @@ typedef struct RateControlContext{
int last_non_b_pict_type;
}RateControlContext;
typedef struct ScanTable{
const UINT8 *scantable;
UINT8 permutated[64];
@ -117,6 +116,7 @@ typedef struct Picture{
uint16_t *mb_var; /* Table for MB variances */
uint16_t *mc_mb_var; /* Table for motion compensated MB variances */
uint8_t *mb_mean; /* Table for MB luminance */
int32_t *mb_cmp_score; /* Table for MB cmp scores, for mb decission */
int b_frame_score; /* */
} Picture;
@ -142,6 +142,7 @@ typedef struct MotionEstContext{
int pre_penalty_factor;
int penalty_factor;
int sub_penalty_factor;
int mb_penalty_factor;
int pre_pass; /* = 1 for the pre pass */
int dia_size;
UINT16 (*mv_penalty)[MAX_MV*2+1]; /* amount of bits needed to encode a MV */
@ -160,6 +161,8 @@ typedef struct MotionEstContext{
int P[10][2], int pred_x, int pred_y,
int xmin, int ymin, int xmax, int ymax, Picture *ref_picture, int16_t (*last_mv)[2],
int ref_mv_scale, uint16_t * const mv_penalty);
int (*get_mb_score)(struct MpegEncContext * s, int mx, int my, int pred_x, int pred_y, Picture *ref_picture,
uint16_t * const mv_penalty);
}MotionEstContext;
typedef struct MpegEncContext {
@ -321,6 +324,8 @@ typedef struct MpegEncContext {
uint8_t *intra_ac_vlc_last_length;
uint8_t *inter_ac_vlc_length;
uint8_t *inter_ac_vlc_last_length;
uint8_t *luma_dc_vlc_length;
uint8_t *chroma_dc_vlc_length;
#define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level))
/* precomputed matrix (combine qscale and DCT renorm) */
@ -719,6 +724,7 @@ int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s);
int ff_h263_resync(MpegEncContext *s);
int ff_h263_get_gob_height(MpegEncContext *s);
void ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my);
inline int ff_h263_round_chroma(int x);
/* rv10.c */

5
libavcodec/msmpeg4data.h
View File

@ -1868,7 +1868,10 @@ static const uint8_t *wmv1_scantable[WMV1_SCANTABLE_COUNT+1]={
};
static const uint8_t table_inter_intra[4][2]={
{0,1},{2,2},{6,3},{7,3}
{0,1} /*Luma-Left Chroma-Left*/,
{2,2} /*Luma-Top Chroma-Left*/,
{6,3} /*luma-Left Chroma-Top */,
{7,3} /*luma-Top Chroma-Top */
};
#define WMV2_INTER_CBP_TABLE_COUNT 4