RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

try direct mode MB after QPRD, slight PSNR/bitrate gain if b frames + QPRD 

Originally committed as revision 7336 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-12-20 23:43:13 +00:00
parent e825b5009f
commit cb284d4b77
1 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
libavcodec/mpegvideo.c
View File

@ -5172,16 +5172,6 @@ static int encode_thread(AVCodecContext *c, void *arg){
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb,
&dmin, &next_block, 0, 0);
}
if(mb_type&CANDIDATE_MB_TYPE_DIRECT){
int mx= s->b_direct_mv_table[xy][0];
int my= s->b_direct_mv_table[xy][1];
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
s->mb_intra= 0;
ff_mpeg4_set_direct_mv(s, mx, my);
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
&dmin, &next_block, mx, my);
}
if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){
s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_FIELD;
@ -5280,10 +5270,20 @@ static int encode_thread(AVCodecContext *c, void *arg){
}
}
}
qp= best_s.qscale;
s->current_picture.qscale_table[xy]= qp;
}
}
if(mb_type&CANDIDATE_MB_TYPE_DIRECT){
int mx= s->b_direct_mv_table[xy][0];
int my= s->b_direct_mv_table[xy][1];
backup_s.dquant = 0;
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
s->mb_intra= 0;
ff_mpeg4_set_direct_mv(s, mx, my);
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
&dmin, &next_block, mx, my);
}
s->current_picture.qscale_table[xy]= best_s.qscale;
copy_context_after_encode(s, &best_s, -1);