aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/motion_est.c
diff options
context:
space:
mode:
authorAnton Khirnov <anton@khirnov.net>2013-03-03 20:43:43 +0100
committerAnton Khirnov <anton@khirnov.net>2013-03-08 07:37:45 +0100
commit6e7b50b4270116ded8b874d76cb7c5b1a0341827 (patch)
tree19320c56efd077de16c9ecce4aafc450daf38562 /libavcodec/motion_est.c
parent7e350379f87e7f74420b4813170fe808e2313911 (diff)
downloadffmpeg-6e7b50b4270116ded8b874d76cb7c5b1a0341827.tar.gz
mpegvideo_enc: drop support for reusing the input motion vectors.
This misfeature is most likely completely useless and conflicts with removing the mpegvideo-specific fields from AVFrame. In the improbable case it is actually useful, it should be reimplemented in a better way.
Diffstat (limited to 'libavcodec/motion_est.c')
-rw-r--r--libavcodec/motion_est.c212
1 files changed, 0 insertions, 212 deletions
diff --git a/libavcodec/motion_est.c b/libavcodec/motion_est.c
index 11285825a6..d70021c4d3 100644
--- a/libavcodec/motion_est.c
+++ b/libavcodec/motion_est.c
@@ -825,152 +825,6 @@ static int interlaced_search(MpegEncContext *s, int ref_index,
}
}
-static void clip_input_mv(MpegEncContext * s, int16_t *mv, int interlaced){
- int ymax= s->me.ymax>>interlaced;
- int ymin= s->me.ymin>>interlaced;
-
- if(mv[0] < s->me.xmin) mv[0] = s->me.xmin;
- if(mv[0] > s->me.xmax) mv[0] = s->me.xmax;
- if(mv[1] < ymin) mv[1] = ymin;
- if(mv[1] > ymax) mv[1] = ymax;
-}
-
-static inline int check_input_motion(MpegEncContext * s, int mb_x, int mb_y, int p_type){
- MotionEstContext * const c= &s->me;
- Picture *p= s->current_picture_ptr;
- int mb_xy= mb_x + mb_y*s->mb_stride;
- int xy= 2*mb_x + 2*mb_y*s->b8_stride;
- int mb_type= s->current_picture.f.mb_type[mb_xy];
- int flags= c->flags;
- int shift= (flags&FLAG_QPEL) + 1;
- int mask= (1<<shift)-1;
- int x, y, i;
- int d=0;
- me_cmp_func cmpf= s->dsp.sse[0];
- me_cmp_func chroma_cmpf= s->dsp.sse[1];
-
- if(p_type && USES_LIST(mb_type, 1)){
- av_log(c->avctx, AV_LOG_ERROR, "backward motion vector in P frame\n");
- return INT_MAX/2;
- }
- assert(IS_INTRA(mb_type) || USES_LIST(mb_type,0) || USES_LIST(mb_type,1));
-
- for(i=0; i<4; i++){
- int xy= s->block_index[i];
- clip_input_mv(s, p->f.motion_val[0][xy], !!IS_INTERLACED(mb_type));
- clip_input_mv(s, p->f.motion_val[1][xy], !!IS_INTERLACED(mb_type));
- }
-
- if(IS_INTERLACED(mb_type)){
- int xy2= xy + s->b8_stride;
- s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA;
- c->stride<<=1;
- c->uvstride<<=1;
-
- if(!(s->flags & CODEC_FLAG_INTERLACED_ME)){
- av_log(c->avctx, AV_LOG_ERROR, "Interlaced macroblock selected but interlaced motion estimation disabled\n");
- return INT_MAX/2;
- }
-
- if(USES_LIST(mb_type, 0)){
- int field_select0= p->f.ref_index[0][4*mb_xy ];
- int field_select1= p->f.ref_index[0][4*mb_xy+2];
- assert(field_select0==0 ||field_select0==1);
- assert(field_select1==0 ||field_select1==1);
- init_interlaced_ref(s, 0);
-
- if(p_type){
- s->p_field_select_table[0][mb_xy]= field_select0;
- s->p_field_select_table[1][mb_xy]= field_select1;
- *(uint32_t*)s->p_field_mv_table[0][field_select0][mb_xy] = *(uint32_t*)p->f.motion_val[0][xy ];
- *(uint32_t*)s->p_field_mv_table[1][field_select1][mb_xy] = *(uint32_t*)p->f.motion_val[0][xy2];
- s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER_I;
- }else{
- s->b_field_select_table[0][0][mb_xy]= field_select0;
- s->b_field_select_table[0][1][mb_xy]= field_select1;
- *(uint32_t*)s->b_field_mv_table[0][0][field_select0][mb_xy] = *(uint32_t*)p->f.motion_val[0][xy ];
- *(uint32_t*)s->b_field_mv_table[0][1][field_select1][mb_xy] = *(uint32_t*)p->f.motion_val[0][xy2];
- s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_FORWARD_I;
- }
-
- x = p->f.motion_val[0][xy ][0];
- y = p->f.motion_val[0][xy ][1];
- d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0, 0, cmpf, chroma_cmpf, flags);
- x = p->f.motion_val[0][xy2][0];
- y = p->f.motion_val[0][xy2][1];
- d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1, 1, cmpf, chroma_cmpf, flags);
- }
- if(USES_LIST(mb_type, 1)){
- int field_select0 = p->f.ref_index[1][4 * mb_xy ];
- int field_select1 = p->f.ref_index[1][4 * mb_xy + 2];
- assert(field_select0==0 ||field_select0==1);
- assert(field_select1==0 ||field_select1==1);
- init_interlaced_ref(s, 2);
-
- s->b_field_select_table[1][0][mb_xy]= field_select0;
- s->b_field_select_table[1][1][mb_xy]= field_select1;
- *(uint32_t*)s->b_field_mv_table[1][0][field_select0][mb_xy] = *(uint32_t*)p->f.motion_val[1][xy ];
- *(uint32_t*)s->b_field_mv_table[1][1][field_select1][mb_xy] = *(uint32_t*)p->f.motion_val[1][xy2];
- if(USES_LIST(mb_type, 0)){
- s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BIDIR_I;
- }else{
- s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BACKWARD_I;
- }
-
- x = p->f.motion_val[1][xy ][0];
- y = p->f.motion_val[1][xy ][1];
- d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0+2, 0, cmpf, chroma_cmpf, flags);
- x = p->f.motion_val[1][xy2][0];
- y = p->f.motion_val[1][xy2][1];
- d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1+2, 1, cmpf, chroma_cmpf, flags);
- //FIXME bidir scores
- }
- c->stride>>=1;
- c->uvstride>>=1;
- }else if(IS_8X8(mb_type)){
- if(!(s->flags & CODEC_FLAG_4MV)){
- av_log(c->avctx, AV_LOG_ERROR, "4MV macroblock selected but 4MV encoding disabled\n");
- return INT_MAX/2;
- }
- cmpf= s->dsp.sse[1];
- chroma_cmpf= s->dsp.sse[1];
- init_mv4_ref(c);
- for(i=0; i<4; i++){
- xy= s->block_index[i];
- x= p->f.motion_val[0][xy][0];
- y= p->f.motion_val[0][xy][1];
- d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 1, 8, i, i, cmpf, chroma_cmpf, flags);
- }
- s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER4V;
- }else{
- if(USES_LIST(mb_type, 0)){
- if(p_type){
- *(uint32_t*)s->p_mv_table[mb_xy] = *(uint32_t*)p->f.motion_val[0][xy];
- s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER;
- }else if(USES_LIST(mb_type, 1)){
- *(uint32_t*)s->b_bidir_forw_mv_table[mb_xy] = *(uint32_t*)p->f.motion_val[0][xy];
- *(uint32_t*)s->b_bidir_back_mv_table[mb_xy] = *(uint32_t*)p->f.motion_val[1][xy];
- s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BIDIR;
- }else{
- *(uint32_t*)s->b_forw_mv_table[mb_xy] = *(uint32_t*)p->f.motion_val[0][xy];
- s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_FORWARD;
- }
- x = p->f.motion_val[0][xy][0];
- y = p->f.motion_val[0][xy][1];
- d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 0, 0, cmpf, chroma_cmpf, flags);
- }else if(USES_LIST(mb_type, 1)){
- *(uint32_t*)s->b_back_mv_table[mb_xy] = *(uint32_t*)p->f.motion_val[1][xy];
- s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BACKWARD;
-
- x = p->f.motion_val[1][xy][0];
- y = p->f.motion_val[1][xy][1];
- d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 2, 0, cmpf, chroma_cmpf, flags);
- }else
- s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA;
- }
- return d;
-}
-
static inline int get_penalty_factor(int lambda, int lambda2, int type){
switch(type&0xFF){
default:
@@ -1027,21 +881,6 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
pic->mb_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8;
c->mb_var_sum_temp += (varc+128)>>8;
- if(c->avctx->me_threshold){
- vard= check_input_motion(s, mb_x, mb_y, 1);
-
- if((vard+128)>>8 < c->avctx->me_threshold){
- int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
- int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;
- pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8;
- c->mc_mb_var_sum_temp += (vard+128)>>8;
- c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score);
- return;
- }
- if((vard+128)>>8 < c->avctx->mb_threshold)
- mb_type= s->mb_type[mb_x + mb_y*s->mb_stride];
- }
-
switch(s->me_method) {
case ME_ZERO:
default:
@@ -1675,57 +1514,6 @@ void ff_estimate_b_frame_motion(MpegEncContext * s,
return;
}
- if(c->avctx->me_threshold){
- int vard= check_input_motion(s, mb_x, mb_y, 0);
-
- if((vard+128)>>8 < c->avctx->me_threshold){
-// pix = c->src[0][0];
-// sum = s->dsp.pix_sum(pix, s->linesize);
-// varc = s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500;
-
-// pic->mb_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8;
- s->current_picture.mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8;
-/* pic->mb_mean [s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
- c->mb_var_sum_temp += (varc+128)>>8;*/
- c->mc_mb_var_sum_temp += (vard+128)>>8;
-/* if (vard <= 64<<8 || vard < varc) {
- c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
- }else{
- c->scene_change_score+= s->qscale * s->avctx->scenechange_factor;
- }*/
- return;
- }
- if((vard+128)>>8 < c->avctx->mb_threshold){
- type= s->mb_type[mb_y*s->mb_stride + mb_x];
- if(type == CANDIDATE_MB_TYPE_DIRECT){
- direct_search(s, mb_x, mb_y);
- }
- if(type == CANDIDATE_MB_TYPE_FORWARD || type == CANDIDATE_MB_TYPE_BIDIR){
- c->skip=0;
- ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code);
- }
- if(type == CANDIDATE_MB_TYPE_BACKWARD || type == CANDIDATE_MB_TYPE_BIDIR){
- c->skip=0;
- ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code);
- }
- if(type == CANDIDATE_MB_TYPE_FORWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){
- c->skip=0;
- c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
- interlaced_search(s, 0,
- s->b_field_mv_table[0], s->b_field_select_table[0],
- s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 1);
- }
- if(type == CANDIDATE_MB_TYPE_BACKWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){
- c->skip=0;
- c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV;
- interlaced_search(s, 2,
- s->b_field_mv_table[1], s->b_field_select_table[1],
- s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 1);
- }
- return;
- }
- }
-
if (s->codec_id == AV_CODEC_ID_MPEG4)
dmin= direct_search(s, mb_x, mb_y);
else