116 codec_setup_info *ci=(codec_setup_info *)vi->codec_setup; |
117 codec_setup_info *ci=(codec_setup_info *)vi->codec_setup; |
117 int i; |
118 int i; |
118 |
119 |
119 if(ci){ |
120 if(ci){ |
120 |
121 |
121 if(ci->mode_param)_ogg_free(ci->mode_param); |
122 for(i=0;i<ci->modes;i++) |
122 |
123 if(ci->mode_param[i])_ogg_free(ci->mode_param[i]); |
123 if(ci->map_param){ |
124 |
124 for(i=0;i<ci->maps;i++) /* unpack does the range checking */ |
125 for(i=0;i<ci->maps;i++) /* unpack does the range checking */ |
125 mapping_clear_info(ci->map_param+i); |
126 if(ci->map_param[i]) |
126 _ogg_free(ci->map_param); |
127 _mapping_P[ci->map_type[i]]->free_info(ci->map_param[i]); |
|
128 |
|
129 for(i=0;i<ci->floors;i++) /* unpack does the range checking */ |
|
130 if(ci->floor_param[i]) |
|
131 _floor_P[ci->floor_type[i]]->free_info(ci->floor_param[i]); |
|
132 |
|
133 for(i=0;i<ci->residues;i++) /* unpack does the range checking */ |
|
134 if(ci->residue_param[i]) |
|
135 _residue_P[ci->residue_type[i]]->free_info(ci->residue_param[i]); |
|
136 |
|
137 for(i=0;i<ci->books;i++){ |
|
138 if(ci->book_param[i]){ |
|
139 /* knows if the book was not alloced */ |
|
140 vorbis_staticbook_destroy(ci->book_param[i]); |
|
141 } |
|
142 if(ci->fullbooks) |
|
143 vorbis_book_clear(ci->fullbooks+i); |
127 } |
144 } |
128 |
145 if(ci->fullbooks) |
129 if(ci->floor_param){ |
146 _ogg_free(ci->fullbooks); |
130 for(i=0;i<ci->floors;i++) /* unpack does the range checking */ |
|
131 if(ci->floor_type[i]) |
|
132 floor1_free_info(ci->floor_param[i]); |
|
133 else |
|
134 floor0_free_info(ci->floor_param[i]); |
|
135 _ogg_free(ci->floor_param); |
|
136 _ogg_free(ci->floor_type); |
|
137 } |
|
138 |
|
139 if(ci->residue_param){ |
|
140 for(i=0;i<ci->residues;i++) /* unpack does the range checking */ |
|
141 res_clear_info(ci->residue_param+i); |
|
142 _ogg_free(ci->residue_param); |
|
143 } |
|
144 |
|
145 if(ci->book_param){ |
|
146 for(i=0;i<ci->books;i++) |
|
147 vorbis_book_clear(ci->book_param+i); |
|
148 _ogg_free(ci->book_param); |
|
149 } |
|
150 |
147 |
151 _ogg_free(ci); |
148 _ogg_free(ci); |
152 } |
149 } |
153 |
150 |
154 memset(vi,0,sizeof(*vi)); |
151 memset(vi,0,sizeof(*vi)); |
220 int i; |
217 int i; |
221 if(!ci)return(OV_EFAULT); |
218 if(!ci)return(OV_EFAULT); |
222 |
219 |
223 /* codebooks */ |
220 /* codebooks */ |
224 ci->books=oggpack_read(opb,8)+1; |
221 ci->books=oggpack_read(opb,8)+1; |
225 ci->book_param=(codebook *)_ogg_calloc(ci->books,sizeof(*ci->book_param)); |
222 /*ci->book_param=_ogg_calloc(ci->books,sizeof(*ci->book_param));*/ |
226 for(i=0;i<ci->books;i++) |
223 for(i=0;i<ci->books;i++){ |
227 if(vorbis_book_unpack(opb,ci->book_param+i))goto err_out; |
224 ci->book_param[i]=(static_codebook *)_ogg_calloc(1,sizeof(*ci->book_param[i])); |
228 |
225 if(vorbis_staticbook_unpack(opb,ci->book_param[i]))goto err_out; |
229 /* time backend settings, not actually used */ |
226 } |
230 i=oggpack_read(opb,6); |
227 |
231 for(;i>=0;i--) |
228 /* time backend settings */ |
232 if(oggpack_read(opb,16)!=0)goto err_out; |
229 ci->times=oggpack_read(opb,6)+1; |
|
230 /*ci->time_type=_ogg_malloc(ci->times*sizeof(*ci->time_type));*/ |
|
231 /*ci->time_param=_ogg_calloc(ci->times,sizeof(void *));*/ |
|
232 for(i=0;i<ci->times;i++){ |
|
233 ci->time_type[i]=oggpack_read(opb,16); |
|
234 if(ci->time_type[i]<0 || ci->time_type[i]>=VI_TIMEB)goto err_out; |
|
235 /* ci->time_param[i]=_time_P[ci->time_type[i]]->unpack(vi,opb); |
|
236 Vorbis I has no time backend */ |
|
237 /*if(!ci->time_param[i])goto err_out;*/ |
|
238 } |
233 |
239 |
234 /* floor backend settings */ |
240 /* floor backend settings */ |
235 ci->floors=oggpack_read(opb,6)+1; |
241 ci->floors=oggpack_read(opb,6)+1; |
236 ci->floor_param=_ogg_malloc(sizeof(*ci->floor_param)*ci->floors); |
242 /*ci->floor_type=_ogg_malloc(ci->floors*sizeof(*ci->floor_type));*/ |
237 ci->floor_type=_ogg_malloc(sizeof(*ci->floor_type)*ci->floors); |
243 /*ci->floor_param=_ogg_calloc(ci->floors,sizeof(void *));*/ |
238 for(i=0;i<ci->floors;i++){ |
244 for(i=0;i<ci->floors;i++){ |
239 ci->floor_type[i]=oggpack_read(opb,16); |
245 ci->floor_type[i]=oggpack_read(opb,16); |
240 if(ci->floor_type[i]<0 || ci->floor_type[i]>=VI_FLOORB)goto err_out; |
246 if(ci->floor_type[i]<0 || ci->floor_type[i]>=VI_FLOORB)goto err_out; |
241 if(ci->floor_type[i]) |
247 ci->floor_param[i]=_floor_P[ci->floor_type[i]]->unpack(vi,opb); |
242 ci->floor_param[i]=floor1_info_unpack(vi,opb); |
|
243 else |
|
244 ci->floor_param[i]=floor0_info_unpack(vi,opb); |
|
245 if(!ci->floor_param[i])goto err_out; |
248 if(!ci->floor_param[i])goto err_out; |
246 } |
249 } |
247 |
250 |
248 /* residue backend settings */ |
251 /* residue backend settings */ |
249 ci->residues=oggpack_read(opb,6)+1; |
252 ci->residues=oggpack_read(opb,6)+1; |
250 ci->residue_param=_ogg_malloc(sizeof(*ci->residue_param)*ci->residues); |
253 /*ci->residue_type=_ogg_malloc(ci->residues*sizeof(*ci->residue_type));*/ |
251 for(i=0;i<ci->residues;i++) |
254 /*ci->residue_param=_ogg_calloc(ci->residues,sizeof(void *));*/ |
252 if(res_unpack(ci->residue_param+i,vi,opb))goto err_out; |
255 for(i=0;i<ci->residues;i++){ |
|
256 ci->residue_type[i]=oggpack_read(opb,16); |
|
257 if(ci->residue_type[i]<0 || ci->residue_type[i]>=VI_RESB)goto err_out; |
|
258 ci->residue_param[i]=_residue_P[ci->residue_type[i]]->unpack(vi,opb); |
|
259 if(!ci->residue_param[i])goto err_out; |
|
260 } |
253 |
261 |
254 /* map backend settings */ |
262 /* map backend settings */ |
255 ci->maps=oggpack_read(opb,6)+1; |
263 ci->maps=oggpack_read(opb,6)+1; |
256 ci->map_param=_ogg_malloc(sizeof(*ci->map_param)*ci->maps); |
264 /*ci->map_type=_ogg_malloc(ci->maps*sizeof(*ci->map_type));*/ |
|
265 /*ci->map_param=_ogg_calloc(ci->maps,sizeof(void *));*/ |
257 for(i=0;i<ci->maps;i++){ |
266 for(i=0;i<ci->maps;i++){ |
258 if(oggpack_read(opb,16)!=0)goto err_out; |
267 ci->map_type[i]=oggpack_read(opb,16); |
259 if(mapping_info_unpack(ci->map_param+i,vi,opb))goto err_out; |
268 if(ci->map_type[i]<0 || ci->map_type[i]>=VI_MAPB)goto err_out; |
|
269 ci->map_param[i]=_mapping_P[ci->map_type[i]]->unpack(vi,opb); |
|
270 if(!ci->map_param[i])goto err_out; |
260 } |
271 } |
261 |
272 |
262 /* mode settings */ |
273 /* mode settings */ |
263 ci->modes=oggpack_read(opb,6)+1; |
274 ci->modes=oggpack_read(opb,6)+1; |
264 ci->mode_param= |
275 /*vi->mode_param=_ogg_calloc(vi->modes,sizeof(void *));*/ |
265 (vorbis_info_mode *)_ogg_malloc(ci->modes*sizeof(*ci->mode_param)); |
|
266 for(i=0;i<ci->modes;i++){ |
276 for(i=0;i<ci->modes;i++){ |
267 ci->mode_param[i].blockflag=oggpack_read(opb,1); |
277 ci->mode_param[i]=(vorbis_info_mode *)_ogg_calloc(1,sizeof(*ci->mode_param[i])); |
268 if(oggpack_read(opb,16))goto err_out; |
278 ci->mode_param[i]->blockflag=oggpack_read(opb,1); |
269 if(oggpack_read(opb,16))goto err_out; |
279 ci->mode_param[i]->windowtype=oggpack_read(opb,16); |
270 ci->mode_param[i].mapping=oggpack_read(opb,8); |
280 ci->mode_param[i]->transformtype=oggpack_read(opb,16); |
271 if(ci->mode_param[i].mapping>=ci->maps)goto err_out; |
281 ci->mode_param[i]->mapping=oggpack_read(opb,8); |
|
282 |
|
283 if(ci->mode_param[i]->windowtype>=VI_WINDOWB)goto err_out; |
|
284 if(ci->mode_param[i]->transformtype>=VI_WINDOWB)goto err_out; |
|
285 if(ci->mode_param[i]->mapping>=ci->maps)goto err_out; |
272 } |
286 } |
273 |
287 |
274 if(oggpack_read(opb,1)!=1)goto err_out; /* top level EOP check */ |
288 if(oggpack_read(opb,1)!=1)goto err_out; /* top level EOP check */ |
275 |
289 |
276 return(0); |
290 return(0); |