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ac prediction with rate distorted qp fix
Originally committed as revision 2510 to svn://svn.ffmpeg.org/ffmpeg/trunk
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parent
1f26c6f338
commit
30758048ef
@ -3834,6 +3834,7 @@ static void encode_picture(MpegEncContext *s, int picture_number)
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if(best_s.mv_type==MV_TYPE_16X16 && !(best_s.mv_dir&MV_DIRECT)){
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const int last_qp= backup_s.qscale;
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int dquant, dir, qp, dc[6];
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DCTELEM ac[6][16];
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assert(backup_s.dquant == 0);
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@ -3853,15 +3854,21 @@ static void encode_picture(MpegEncContext *s, int picture_number)
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if(qp < s->avctx->qmin || qp > s->avctx->qmax)
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break;
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backup_s.dquant= dquant;
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for(i=0; i<6; i++){
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dc[i]= s->dc_val[0][ s->block_index[i] ]; //FIXME AC
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if(s->mb_intra){
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for(i=0; i<6; i++){
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dc[i]= s->dc_val[0][ s->block_index[i] ];
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memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16);
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}
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}
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//printf("%d %d\n", backup_s.dquant, backup_s.qscale);
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encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
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&dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
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if(best_s.qscale != qp){
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for(i=0; i<6; i++){
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s->dc_val[0][ s->block_index[i] ]= dc[i];
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if(s->mb_intra){
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for(i=0; i<6; i++){
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s->dc_val[0][ s->block_index[i] ]= dc[i];
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memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16);
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}
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}
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if(dir > 0 && dquant==dir){
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dquant= 0;
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