+ v->vi=vi;
+ b->modebits=ov_ilog(ci->modes-1);
+
+ b->transform[0]=_ogg_calloc(VI_TRANSFORMB,sizeof(*b->transform[0]));
+ b->transform[1]=_ogg_calloc(VI_TRANSFORMB,sizeof(*b->transform[1]));
+
+ /* MDCT is tranform 0 */
+
+ b->transform[0][0]=_ogg_calloc(1,sizeof(mdct_lookup));
+ b->transform[1][0]=_ogg_calloc(1,sizeof(mdct_lookup));
+ mdct_init(b->transform[0][0],ci->blocksizes[0]>>hs);
+ mdct_init(b->transform[1][0],ci->blocksizes[1]>>hs);
+
+ /* Vorbis I uses only window type 0 */
+ /* note that the correct computation below is technically:
+ b->window[0]=ov_ilog(ci->blocksizes[0]-1)-6;
+ b->window[1]=ov_ilog(ci->blocksizes[1]-1)-6;
+ but since blocksizes are always powers of two,
+ the below is equivalent.
+ */
+ b->window[0]=ov_ilog(ci->blocksizes[0])-7;
+ b->window[1]=ov_ilog(ci->blocksizes[1])-7;
+
+ if(encp){ /* encode/decode differ here */
+
+ /* analysis always needs an fft */
+ drft_init(&b->fft_look[0],ci->blocksizes[0]);
+ drft_init(&b->fft_look[1],ci->blocksizes[1]);
+
+ /* finish the codebooks */
+ if(!ci->fullbooks){
+ ci->fullbooks=_ogg_calloc(ci->books,sizeof(*ci->fullbooks));
+ for(i=0;i<ci->books;i++)
+ vorbis_book_init_encode(ci->fullbooks+i,ci->book_param[i]);
+ }
+
+ b->psy=_ogg_calloc(ci->psys,sizeof(*b->psy));
+ for(i=0;i<ci->psys;i++){
+ _vp_psy_init(b->psy+i,
+ ci->psy_param[i],
+ &ci->psy_g_param,
+ ci->blocksizes[ci->psy_param[i]->blockflag]/2,
+ vi->rate);
+ }
+
+ v->analysisp=1;
+ }else{
+ /* finish the codebooks */
+ if(!ci->fullbooks){
+ ci->fullbooks=_ogg_calloc(ci->books,sizeof(*ci->fullbooks));
+ for(i=0;i<ci->books;i++){
+ if(ci->book_param[i]==NULL)
+ goto abort_books;
+ if(vorbis_book_init_decode(ci->fullbooks+i,ci->book_param[i]))
+ goto abort_books;
+ /* decode codebooks are now standalone after init */
+ vorbis_staticbook_destroy(ci->book_param[i]);
+ ci->book_param[i]=NULL;