/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
- * USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
- * THE GNU LESSER/LIBRARY PUBLIC LICENSE, WHICH IS INCLUDED WITH *
- * THIS SOURCE. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2000 *
- * by Monty <monty@xiph.org> and the XIPHOPHORUS Company *
- * http://www.xiph.org/ *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2003 *
+ * by the XIPHOPHORUS Company http://www.xiph.org/ *
* *
********************************************************************
function: maintain the info structure, info <-> header packets
- last mod: $Id: info.c,v 1.35 2001/01/22 01:38:24 xiphmont Exp $
+ last mod: $Id$
********************************************************************/
#include <ctype.h>
#include <ogg/ogg.h>
#include "vorbis/codec.h"
-#include "backends.h"
#include "codec_internal.h"
#include "codebook.h"
#include "registry.h"
/* helpers */
static int ilog2(unsigned int v){
int ret=0;
- while(v>1){
+ if(v)--v;
+ while(v){
ret++;
v>>=1;
}
return(ret);
}
-static void _v_writestring(oggpack_buffer *o,char *s){
- while(*s){
+static void _v_writestring(oggpack_buffer *o,char *s, int bytes){
+
+ while(bytes--){
oggpack_write(o,*s++,8);
}
}
}
void vorbis_comment_init(vorbis_comment *vc){
- memset(vc,0,sizeof(vorbis_comment));
+ memset(vc,0,sizeof(*vc));
}
void vorbis_comment_add(vorbis_comment *vc,char *comment){
vc->user_comments=_ogg_realloc(vc->user_comments,
- (vc->comments+2)*sizeof(char *));
+ (vc->comments+2)*sizeof(*vc->user_comments));
vc->comment_lengths=_ogg_realloc(vc->comment_lengths,
- (vc->comments+2)*sizeof(int));
- vc->user_comments[vc->comments]=strdup(comment);
+ (vc->comments+2)*sizeof(*vc->comment_lengths));
vc->comment_lengths[vc->comments]=strlen(comment);
+ vc->user_comments[vc->comments]=_ogg_malloc(vc->comment_lengths[vc->comments]+1);
+ strcpy(vc->user_comments[vc->comments], comment);
vc->comments++;
vc->user_comments[vc->comments]=NULL;
}
if(vc->comment_lengths)_ogg_free(vc->comment_lengths);
if(vc->vendor)_ogg_free(vc->vendor);
}
- memset(vc,0,sizeof(vorbis_comment));
+ memset(vc,0,sizeof(*vc));
+}
+
+/* blocksize 0 is guaranteed to be short, 1 is guarantted to be long.
+ They may be equal, but short will never ge greater than long */
+int vorbis_info_blocksize(vorbis_info *vi,int zo){
+ codec_setup_info *ci = vi->codec_setup;
+ return ci ? ci->blocksizes[zo] : -1;
}
/* used by synthesis, which has a full, alloced vi */
void vorbis_info_init(vorbis_info *vi){
- memset(vi,0,sizeof(vorbis_info));
+ memset(vi,0,sizeof(*vi));
vi->codec_setup=_ogg_calloc(1,sizeof(codec_setup_info));
}
for(i=0;i<ci->maps;i++) /* unpack does the range checking */
_mapping_P[ci->map_type[i]]->free_info(ci->map_param[i]);
- for(i=0;i<ci->times;i++) /* unpack does the range checking */
- _time_P[ci->time_type[i]]->free_info(ci->time_param[i]);
-
for(i=0;i<ci->floors;i++) /* unpack does the range checking */
_floor_P[ci->floor_type[i]]->free_info(ci->floor_param[i]);
/* knows if the book was not alloced */
vorbis_staticbook_destroy(ci->book_param[i]);
}
+ if(ci->fullbooks)
+ vorbis_book_clear(ci->fullbooks+i);
}
+ if(ci->fullbooks)
+ _ogg_free(ci->fullbooks);
for(i=0;i<ci->psys;i++)
_vi_psy_free(ci->psy_param[i]);
_ogg_free(ci);
}
- memset(vi,0,sizeof(vorbis_info));
+ memset(vi,0,sizeof(*vi));
}
/* Header packing/unpacking ********************************************/
_v_readstring(opb,vc->vendor,vendorlen);
vc->comments=oggpack_read(opb,32);
if(vc->comments<0)goto err_out;
- vc->user_comments=_ogg_calloc(vc->comments+1,sizeof(char **));
- vc->comment_lengths=_ogg_calloc(vc->comments+1, sizeof(int));
+ vc->user_comments=_ogg_calloc(vc->comments+1,sizeof(*vc->user_comments));
+ vc->comment_lengths=_ogg_calloc(vc->comments+1, sizeof(*vc->comment_lengths));
for(i=0;i<vc->comments;i++){
int len=oggpack_read(opb,32);
/* codebooks */
ci->books=oggpack_read(opb,8)+1;
- /*ci->book_param=_ogg_calloc(ci->books,sizeof(static_codebook *));*/
+ /*ci->book_param=_ogg_calloc(ci->books,sizeof(*ci->book_param));*/
for(i=0;i<ci->books;i++){
- ci->book_param[i]=_ogg_calloc(1,sizeof(static_codebook));
+ ci->book_param[i]=_ogg_calloc(1,sizeof(*ci->book_param[i]));
if(vorbis_staticbook_unpack(opb,ci->book_param[i]))goto err_out;
}
- /* time backend settings */
- ci->times=oggpack_read(opb,6)+1;
- /*ci->time_type=_ogg_malloc(ci->times*sizeof(int));*/
- /*ci->time_param=_ogg_calloc(ci->times,sizeof(void *));*/
- for(i=0;i<ci->times;i++){
- ci->time_type[i]=oggpack_read(opb,16);
- if(ci->time_type[i]<0 || ci->time_type[i]>=VI_TIMEB)goto err_out;
- ci->time_param[i]=_time_P[ci->time_type[i]]->unpack(vi,opb);
- if(!ci->time_param[i])goto err_out;
+ /* time backend settings; hooks are unused */
+ {
+ int times=oggpack_read(opb,6)+1;
+ for(i=0;i<times;i++){
+ int test=oggpack_read(opb,16);
+ if(test<0 || test>=VI_TIMEB)goto err_out;
+ }
}
/* floor backend settings */
ci->floors=oggpack_read(opb,6)+1;
- /*ci->floor_type=_ogg_malloc(ci->floors*sizeof(int));*/
+ /*ci->floor_type=_ogg_malloc(ci->floors*sizeof(*ci->floor_type));*/
/*ci->floor_param=_ogg_calloc(ci->floors,sizeof(void *));*/
for(i=0;i<ci->floors;i++){
ci->floor_type[i]=oggpack_read(opb,16);
/* residue backend settings */
ci->residues=oggpack_read(opb,6)+1;
- /*ci->residue_type=_ogg_malloc(ci->residues*sizeof(int));*/
+ /*ci->residue_type=_ogg_malloc(ci->residues*sizeof(*ci->residue_type));*/
/*ci->residue_param=_ogg_calloc(ci->residues,sizeof(void *));*/
for(i=0;i<ci->residues;i++){
ci->residue_type[i]=oggpack_read(opb,16);
/* map backend settings */
ci->maps=oggpack_read(opb,6)+1;
- /*ci->map_type=_ogg_malloc(ci->maps*sizeof(int));*/
+ /*ci->map_type=_ogg_malloc(ci->maps*sizeof(*ci->map_type));*/
/*ci->map_param=_ogg_calloc(ci->maps,sizeof(void *));*/
for(i=0;i<ci->maps;i++){
ci->map_type[i]=oggpack_read(opb,16);
ci->modes=oggpack_read(opb,6)+1;
/*vi->mode_param=_ogg_calloc(vi->modes,sizeof(void *));*/
for(i=0;i<ci->modes;i++){
- ci->mode_param[i]=_ogg_calloc(1,sizeof(vorbis_info_mode));
+ ci->mode_param[i]=_ogg_calloc(1,sizeof(*ci->mode_param[i]));
ci->mode_param[i]->blockflag=oggpack_read(opb,1);
ci->mode_param[i]->windowtype=oggpack_read(opb,16);
ci->mode_param[i]->transformtype=oggpack_read(opb,16);
/* preamble */
oggpack_write(opb,0x01,8);
- _v_writestring(opb,"vorbis");
+ _v_writestring(opb,"vorbis", 6);
/* basic information about the stream */
oggpack_write(opb,0x00,32);
}
static int _vorbis_pack_comment(oggpack_buffer *opb,vorbis_comment *vc){
- char temp[]="Xiphophorus libVorbis I 20010119";
+ char temp[]="Xiph.Org libVorbis I 20050304";
+ int bytes = strlen(temp);
/* preamble */
oggpack_write(opb,0x03,8);
- _v_writestring(opb,"vorbis");
+ _v_writestring(opb,"vorbis", 6);
/* vendor */
- oggpack_write(opb,strlen(temp),32);
- _v_writestring(opb,temp);
+ oggpack_write(opb,bytes,32);
+ _v_writestring(opb,temp, bytes);
/* comments */
for(i=0;i<vc->comments;i++){
if(vc->user_comments[i]){
oggpack_write(opb,vc->comment_lengths[i],32);
- _v_writestring(opb,vc->user_comments[i]);
+ _v_writestring(opb,vc->user_comments[i], vc->comment_lengths[i]);
}else{
oggpack_write(opb,0,32);
}
if(!ci)return(OV_EFAULT);
oggpack_write(opb,0x05,8);
- _v_writestring(opb,"vorbis");
+ _v_writestring(opb,"vorbis", 6);
/* books */
oggpack_write(opb,ci->books-1,8);
for(i=0;i<ci->books;i++)
if(vorbis_staticbook_pack(ci->book_param[i],opb))goto err_out;
- /* times */
- oggpack_write(opb,ci->times-1,6);
- for(i=0;i<ci->times;i++){
- oggpack_write(opb,ci->time_type[i],16);
- _time_P[ci->time_type[i]]->pack(ci->time_param[i],opb);
- }
+ /* times; hook placeholders */
+ oggpack_write(opb,0,6);
+ oggpack_write(opb,0,16);
/* floors */
oggpack_write(opb,ci->floors-1,6);
for(i=0;i<ci->floors;i++){
oggpack_write(opb,ci->floor_type[i],16);
- _floor_P[ci->floor_type[i]]->pack(ci->floor_param[i],opb);
+ if(_floor_P[ci->floor_type[i]]->pack)
+ _floor_P[ci->floor_type[i]]->pack(ci->floor_param[i],opb);
+ else
+ goto err_out;
}
/* residues */
int ret=OV_EIMPL;
vorbis_info *vi=v->vi;
oggpack_buffer opb;
- backend_lookup_state *b=v->backend_state;
+ private_state *b=v->backend_state;
if(!b){
ret=OV_EFAULT;
return(0);
err_out:
oggpack_writeclear(&opb);
- memset(op,0,sizeof(ogg_packet));
- memset(op_comm,0,sizeof(ogg_packet));
- memset(op_code,0,sizeof(ogg_packet));
+ memset(op,0,sizeof(*op));
+ memset(op_comm,0,sizeof(*op_comm));
+ memset(op_code,0,sizeof(*op_code));
if(b->header)_ogg_free(b->header);
if(b->header1)_ogg_free(b->header1);
return(ret);
}
+double vorbis_granule_time(vorbis_dsp_state *v,ogg_int64_t granulepos){
+ if(granulepos>=0)
+ return((double)granulepos/v->vi->rate);
+ return(-1);
+}
projects / platform / upstream / libvorbis.git / blobdiff