diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2003-11-12 13:03:51 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2003-11-12 13:03:51 +0000 |
| commit | 30758048ef85927a54fcf45dfb4c67119b9e88e7 (patch) | |
| tree | c2e969af68ef73c9520a94764f4e2da2bd8de612 /libavcodec/mpegvideo.c | |
| parent | 1f26c6f338b787d6bcd7ef58dc74d17bee276b38 (diff) | |
ac prediction with rate distorted qp fix
Originally committed as revision 2510 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/mpegvideo.c')
| -rw-r--r-- | libavcodec/mpegvideo.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c index b6e90e9284..87dd5fb984 100644 --- a/libavcodec/mpegvideo.c +++ b/libavcodec/mpegvideo.c @@ -3834,6 +3834,7 @@ static void encode_picture(MpegEncContext *s, int picture_number) if(best_s.mv_type==MV_TYPE_16X16 && !(best_s.mv_dir&MV_DIRECT)){ const int last_qp= backup_s.qscale; int dquant, dir, qp, dc[6]; + DCTELEM ac[6][16]; assert(backup_s.dquant == 0); @@ -3853,15 +3854,21 @@ static void encode_picture(MpegEncContext *s, int picture_number) if(qp < s->avctx->qmin || qp > s->avctx->qmax) break; backup_s.dquant= dquant; - for(i=0; i<6; i++){ - dc[i]= s->dc_val[0][ s->block_index[i] ]; //FIXME AC + if(s->mb_intra){ + for(i=0; i<6; i++){ + dc[i]= s->dc_val[0][ s->block_index[i] ]; + memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16); + } } -//printf("%d %d\n", backup_s.dquant, backup_s.qscale); + encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb, &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]); if(best_s.qscale != qp){ - for(i=0; i<6; i++){ - s->dc_val[0][ s->block_index[i] ]= dc[i]; + if(s->mb_intra){ + for(i=0; i<6; i++){ + s->dc_val[0][ s->block_index[i] ]= dc[i]; + memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16); + } } if(dir > 0 && dquant==dir){ dquant= 0; |