54   vorbis_info_floor1 *info=(vorbis_info_floor1 *)i;  in floor1_free_info()  local
55   if(info){  in floor1_free_info()
56     if(info->klass)_ogg_free(info->klass);  in floor1_free_info()
57     if(info->partitionclass)_ogg_free(info->partitionclass);  in floor1_free_info()
58     if(info->postlist)_ogg_free(info->postlist);  in floor1_free_info()
59     if(info->forward_index)_ogg_free(info->forward_index);  in floor1_free_info()
60     if(info->hineighbor)_ogg_free(info->hineighbor);  in floor1_free_info()
61     if(info->loneighbor)_ogg_free(info->loneighbor);  in floor1_free_info()
62     memset(info,0,sizeof(*info));  in floor1_free_info()
63     _ogg_free(info);  in floor1_free_info()
111   vorbis_info_floor1 *info=(vorbis_info_floor1 *)_ogg_calloc(1,sizeof(*info));  in floor1_info_unpack()  local
113   info->partitions=oggpack_read(opb,5); /* only 0 to 31 legal */  in floor1_info_unpack()
114   info->partitionclass=  in floor1_info_unpack()
115     (char *)_ogg_malloc(info->partitions*sizeof(*info->partitionclass));  in floor1_info_unpack()
116   for(j=0;j<info->partitions;j++){  in floor1_info_unpack()
117     info->partitionclass[j]=(char)oggpack_read(opb,4); /* only 0 to 15 legal */  in floor1_info_unpack()
118     if(maxclass<info->partitionclass[j])maxclass=info->partitionclass[j];  in floor1_info_unpack()
122   info->klass=  in floor1_info_unpack()
123     (floor1class *)_ogg_malloc((maxclass+1)*sizeof(*info->klass));  in floor1_info_unpack()
125     info->klass[j].class_dim=(char)oggpack_read(opb,3)+1; /* 1 to 8 */  in floor1_info_unpack()
126     info->klass[j].class_subs=(char)oggpack_read(opb,2); /* 0,1,2,3 bits */  in floor1_info_unpack()
128     if(info->klass[j].class_subs)  in floor1_info_unpack()
129       info->klass[j].class_book=(unsigned char)oggpack_read(opb,8);  in floor1_info_unpack()
131       info->klass[j].class_book=0;  in floor1_info_unpack()
132     if(info->klass[j].class_book>=ci->books)goto err_out;  in floor1_info_unpack()
133     for(k=0;k<(1<<info->klass[j].class_subs);k++){  in floor1_info_unpack()
134       info->klass[j].class_subbook[k]=(unsigned char)(oggpack_read(opb,8)-1);  in floor1_info_unpack()
135       if(info->klass[j].class_subbook[k]>=ci->books &&  in floor1_info_unpack()
136 	 info->klass[j].class_subbook[k]!=0xff)goto err_out;  in floor1_info_unpack()
141   info->mult=oggpack_read(opb,2)+1;     /* only 1,2,3,4 legal now */  in floor1_info_unpack()
144   for(j=0,k=0;j<info->partitions;j++)  in floor1_info_unpack()
145     count+=info->klass[info->partitionclass[j]].class_dim;  in floor1_info_unpack()
146   info->postlist=  in floor1_info_unpack()
147     (ogg_uint16_t *)_ogg_malloc((count+2)*sizeof(*info->postlist));  in floor1_info_unpack()
148   info->forward_index=  in floor1_info_unpack()
149     (char *)_ogg_malloc((count+2)*sizeof(*info->forward_index));  in floor1_info_unpack()
150   info->loneighbor=  in floor1_info_unpack()
151     (char *)_ogg_malloc(count*sizeof(*info->loneighbor));  in floor1_info_unpack()
152   info->hineighbor=  in floor1_info_unpack()
153     (char *)_ogg_malloc(count*sizeof(*info->hineighbor));  in floor1_info_unpack()
156   for(j=0,k=0;j<info->partitions;j++){  in floor1_info_unpack()
157     count+=info->klass[info->partitionclass[j]].class_dim;  in floor1_info_unpack()
159       int t=info->postlist[k+2]=(ogg_uint16_t)oggpack_read(opb,rangebits);  in floor1_info_unpack()
164   info->postlist[0]=0;  in floor1_info_unpack()
165   info->postlist[1]=1<<rangebits;  in floor1_info_unpack()
166   info->posts=count+2;  in floor1_info_unpack()
169   for(j=0;j<info->posts;j++)info->forward_index[j]=j;  in floor1_info_unpack()
170   mergesort(info->forward_index,info->postlist,info->posts);  in floor1_info_unpack()
174   for(j=0;j<info->posts-2;j++){  in floor1_info_unpack()
178     int hx=info->postlist[1];  in floor1_info_unpack()
179     int currentx=info->postlist[j+2];  in floor1_info_unpack()
181       int x=info->postlist[k];  in floor1_info_unpack()
191     info->loneighbor[j]=lo;  in floor1_info_unpack()
192     info->hineighbor[j]=hi;  in floor1_info_unpack()
195   return(info);  in floor1_info_unpack()
198   floor1_free_info(info);  in floor1_info_unpack()
283   vorbis_info_floor1 *info=(vorbis_info_floor1 *)i;  in floor1_memosize()  local
284   return info->posts;  in floor1_memosize()
291   vorbis_info_floor1 *info=(vorbis_info_floor1 *)in;  in floor1_inverse1()  local
296   int quant_q=quant_look[info->mult-1];  in floor1_inverse1()
305     for(i=0,j=2;i<info->partitions;i++){  in floor1_inverse1()
306       int classv=info->partitionclass[i];  in floor1_inverse1()
307       int cdim=info->klass[classv].class_dim;  in floor1_inverse1()
308       int csubbits=info->klass[classv].class_subs;  in floor1_inverse1()
314 	cval=vorbis_book_decode(books+info->klass[classv].class_book,&vd->opb);  in floor1_inverse1()
320 	int book=info->klass[classv].class_subbook[cval&(csub-1)];  in floor1_inverse1()
333     for(i=2;i<info->posts;i++){  in floor1_inverse1()
334       int predicted=render_point(info->postlist[info->loneighbor[i-2]],  in floor1_inverse1()
335 				 info->postlist[info->hineighbor[i-2]],  in floor1_inverse1()
336 				 fit_value[info->loneighbor[i-2]],  in floor1_inverse1()
337 				 fit_value[info->hineighbor[i-2]],  in floor1_inverse1()
338 				 info->postlist[i]);  in floor1_inverse1()
360 	fit_value[info->loneighbor[i-2]]&=0x7fff;  in floor1_inverse1()
361 	fit_value[info->hineighbor[i-2]]&=0x7fff;  in floor1_inverse1()
377   vorbis_info_floor1 *info=(vorbis_info_floor1 *)in;  in floor1_inverse2()  local
387     int ly=fit_value[0]*info->mult;  in floor1_inverse2()
388     for(j=1;j<info->posts;j++){  in floor1_inverse2()
389       int current=info->forward_index[j];  in floor1_inverse2()
393 	hy*=info->mult;  in floor1_inverse2()
394 	hx=info->postlist[current];  in floor1_inverse2()