author | nemo |
Fri, 02 Sep 2011 19:06:05 -0400 | |
changeset 5744 | 746de1d303d2 |
parent 5170 | f7e49eff3708 |
permissions | -rw-r--r-- |
5170
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
1 |
/******************************************************************** |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
2 |
* * |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
3 |
* THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. * |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
4 |
* * |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
5 |
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
6 |
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
7 |
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
8 |
* * |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
9 |
* THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2003 * |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
10 |
* BY THE Xiph.Org FOUNDATION http://www.xiph.org/ * |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
11 |
* * |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
12 |
******************************************************************** |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
13 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
14 |
function: maintain the info structure, info <-> header packets |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
15 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
16 |
********************************************************************/ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
17 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
18 |
/* general handling of the header and the vorbis_info structure (and |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
19 |
substructures) */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
20 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
21 |
#include <stdlib.h> |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
22 |
#include <string.h> |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
23 |
#include <ctype.h> |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
24 |
#include "ogg.h" |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
25 |
#include "ivorbiscodec.h" |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
26 |
#include "codec_internal.h" |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
27 |
#include "codebook.h" |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
28 |
#include "registry.h" |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
29 |
#include "window.h" |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
30 |
#include "misc.h" |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
31 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
32 |
/* helpers */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
33 |
static void _v_readstring(oggpack_buffer *o,char *buf,int bytes){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
34 |
while(bytes--){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
35 |
*buf++=oggpack_read(o,8); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
36 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
37 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
38 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
39 |
void vorbis_comment_init(vorbis_comment *vc){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
40 |
memset(vc,0,sizeof(*vc)); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
41 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
42 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
43 |
/* This is more or less the same as strncasecmp - but that doesn't exist |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
44 |
* everywhere, and this is a fairly trivial function, so we include it */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
45 |
static int tagcompare(const char *s1, const char *s2, int n){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
46 |
int c=0; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
47 |
while(c < n){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
48 |
if(toupper(s1[c]) != toupper(s2[c])) |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
49 |
return !0; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
50 |
c++; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
51 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
52 |
return 0; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
53 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
54 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
55 |
char *vorbis_comment_query(vorbis_comment *vc, char *tag, int count){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
56 |
long i; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
57 |
int found = 0; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
58 |
int taglen = strlen(tag)+1; /* +1 for the = we append */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
59 |
char *fulltag = (char *)alloca(taglen+ 1); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
60 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
61 |
strcpy(fulltag, tag); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
62 |
strcat(fulltag, "="); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
63 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
64 |
for(i=0;i<vc->comments;i++){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
65 |
if(!tagcompare(vc->user_comments[i], fulltag, taglen)){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
66 |
if(count == found) |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
67 |
/* We return a pointer to the data, not a copy */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
68 |
return vc->user_comments[i] + taglen; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
69 |
else |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
70 |
found++; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
71 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
72 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
73 |
return NULL; /* didn't find anything */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
74 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
75 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
76 |
int vorbis_comment_query_count(vorbis_comment *vc, char *tag){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
77 |
int i,count=0; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
78 |
int taglen = strlen(tag)+1; /* +1 for the = we append */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
79 |
char *fulltag = (char *)alloca(taglen+1); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
80 |
strcpy(fulltag,tag); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
81 |
strcat(fulltag, "="); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
82 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
83 |
for(i=0;i<vc->comments;i++){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
84 |
if(!tagcompare(vc->user_comments[i], fulltag, taglen)) |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
85 |
count++; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
86 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
87 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
88 |
return count; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
89 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
90 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
91 |
void vorbis_comment_clear(vorbis_comment *vc){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
92 |
if(vc){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
93 |
long i; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
94 |
for(i=0;i<vc->comments;i++) |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
95 |
if(vc->user_comments[i])_ogg_free(vc->user_comments[i]); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
96 |
if(vc->user_comments)_ogg_free(vc->user_comments); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
97 |
if(vc->comment_lengths)_ogg_free(vc->comment_lengths); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
98 |
if(vc->vendor)_ogg_free(vc->vendor); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
99 |
memset(vc,0,sizeof(*vc)); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
100 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
101 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
102 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
103 |
/* blocksize 0 is guaranteed to be short, 1 is guarantted to be long. |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
104 |
They may be equal, but short will never ge greater than long */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
105 |
int vorbis_info_blocksize(vorbis_info *vi,int zo){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
106 |
codec_setup_info *ci = (codec_setup_info *)vi->codec_setup; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
107 |
return ci ? ci->blocksizes[zo] : -1; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
108 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
109 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
110 |
/* used by synthesis, which has a full, alloced vi */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
111 |
void vorbis_info_init(vorbis_info *vi){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
112 |
memset(vi,0,sizeof(*vi)); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
113 |
vi->codec_setup=(codec_setup_info *)_ogg_calloc(1,sizeof(codec_setup_info)); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
114 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
115 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
116 |
void vorbis_info_clear(vorbis_info *vi){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
117 |
codec_setup_info *ci=(codec_setup_info *)vi->codec_setup; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
118 |
int i; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
119 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
120 |
if(ci){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
121 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
122 |
for(i=0;i<ci->modes;i++) |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
123 |
if(ci->mode_param[i])_ogg_free(ci->mode_param[i]); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
124 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
125 |
for(i=0;i<ci->maps;i++) /* unpack does the range checking */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
126 |
if(ci->map_param[i]) |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
127 |
_mapping_P[ci->map_type[i]]->free_info(ci->map_param[i]); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
128 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
129 |
for(i=0;i<ci->floors;i++) /* unpack does the range checking */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
130 |
if(ci->floor_param[i]) |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
131 |
_floor_P[ci->floor_type[i]]->free_info(ci->floor_param[i]); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
132 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
133 |
for(i=0;i<ci->residues;i++) /* unpack does the range checking */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
134 |
if(ci->residue_param[i]) |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
135 |
_residue_P[ci->residue_type[i]]->free_info(ci->residue_param[i]); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
136 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
137 |
for(i=0;i<ci->books;i++){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
138 |
if(ci->book_param[i]){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
139 |
/* knows if the book was not alloced */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
140 |
vorbis_staticbook_destroy(ci->book_param[i]); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
141 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
142 |
if(ci->fullbooks) |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
143 |
vorbis_book_clear(ci->fullbooks+i); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
144 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
145 |
if(ci->fullbooks) |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
146 |
_ogg_free(ci->fullbooks); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
147 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
148 |
_ogg_free(ci); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
149 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
150 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
151 |
memset(vi,0,sizeof(*vi)); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
152 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
153 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
154 |
/* Header packing/unpacking ********************************************/ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
155 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
156 |
static int _vorbis_unpack_info(vorbis_info *vi,oggpack_buffer *opb){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
157 |
codec_setup_info *ci=(codec_setup_info *)vi->codec_setup; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
158 |
if(!ci)return(OV_EFAULT); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
159 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
160 |
vi->version=oggpack_read(opb,32); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
161 |
if(vi->version!=0)return(OV_EVERSION); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
162 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
163 |
vi->channels=oggpack_read(opb,8); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
164 |
vi->rate=oggpack_read(opb,32); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
165 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
166 |
vi->bitrate_upper=oggpack_read(opb,32); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
167 |
vi->bitrate_nominal=oggpack_read(opb,32); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
168 |
vi->bitrate_lower=oggpack_read(opb,32); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
169 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
170 |
ci->blocksizes[0]=1<<oggpack_read(opb,4); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
171 |
ci->blocksizes[1]=1<<oggpack_read(opb,4); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
172 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
173 |
if(vi->rate<1)goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
174 |
if(vi->channels<1)goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
175 |
if(ci->blocksizes[0]<64)goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
176 |
if(ci->blocksizes[1]<ci->blocksizes[0])goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
177 |
if(ci->blocksizes[1]>8192)goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
178 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
179 |
if(oggpack_read(opb,1)!=1)goto err_out; /* EOP check */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
180 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
181 |
return(0); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
182 |
err_out: |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
183 |
vorbis_info_clear(vi); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
184 |
return(OV_EBADHEADER); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
185 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
186 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
187 |
static int _vorbis_unpack_comment(vorbis_comment *vc,oggpack_buffer *opb){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
188 |
int i; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
189 |
int vendorlen=oggpack_read(opb,32); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
190 |
if(vendorlen<0)goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
191 |
vc->vendor=(char *)_ogg_calloc(vendorlen+1,1); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
192 |
_v_readstring(opb,vc->vendor,vendorlen); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
193 |
vc->comments=oggpack_read(opb,32); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
194 |
if(vc->comments<0)goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
195 |
vc->user_comments=(char **)_ogg_calloc(vc->comments+1,sizeof(*vc->user_comments)); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
196 |
vc->comment_lengths=(int *)_ogg_calloc(vc->comments+1, sizeof(*vc->comment_lengths)); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
197 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
198 |
for(i=0;i<vc->comments;i++){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
199 |
int len=oggpack_read(opb,32); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
200 |
if(len<0)goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
201 |
vc->comment_lengths[i]=len; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
202 |
vc->user_comments[i]=(char *)_ogg_calloc(len+1,1); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
203 |
_v_readstring(opb,vc->user_comments[i],len); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
204 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
205 |
if(oggpack_read(opb,1)!=1)goto err_out; /* EOP check */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
206 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
207 |
return(0); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
208 |
err_out: |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
209 |
vorbis_comment_clear(vc); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
210 |
return(OV_EBADHEADER); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
211 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
212 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
213 |
/* all of the real encoding details are here. The modes, books, |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
214 |
everything */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
215 |
static int _vorbis_unpack_books(vorbis_info *vi,oggpack_buffer *opb){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
216 |
codec_setup_info *ci=(codec_setup_info *)vi->codec_setup; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
217 |
int i; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
218 |
if(!ci)return(OV_EFAULT); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
219 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
220 |
/* codebooks */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
221 |
ci->books=oggpack_read(opb,8)+1; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
222 |
/*ci->book_param=_ogg_calloc(ci->books,sizeof(*ci->book_param));*/ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
223 |
for(i=0;i<ci->books;i++){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
224 |
ci->book_param[i]=(static_codebook *)_ogg_calloc(1,sizeof(*ci->book_param[i])); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
225 |
if(vorbis_staticbook_unpack(opb,ci->book_param[i]))goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
226 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
227 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
228 |
/* time backend settings */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
229 |
ci->times=oggpack_read(opb,6)+1; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
230 |
/*ci->time_type=_ogg_malloc(ci->times*sizeof(*ci->time_type));*/ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
231 |
/*ci->time_param=_ogg_calloc(ci->times,sizeof(void *));*/ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
232 |
for(i=0;i<ci->times;i++){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
233 |
ci->time_type[i]=oggpack_read(opb,16); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
234 |
if(ci->time_type[i]<0 || ci->time_type[i]>=VI_TIMEB)goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
235 |
/* ci->time_param[i]=_time_P[ci->time_type[i]]->unpack(vi,opb); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
236 |
Vorbis I has no time backend */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
237 |
/*if(!ci->time_param[i])goto err_out;*/ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
238 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
239 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
240 |
/* floor backend settings */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
241 |
ci->floors=oggpack_read(opb,6)+1; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
242 |
/*ci->floor_type=_ogg_malloc(ci->floors*sizeof(*ci->floor_type));*/ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
243 |
/*ci->floor_param=_ogg_calloc(ci->floors,sizeof(void *));*/ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
244 |
for(i=0;i<ci->floors;i++){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
245 |
ci->floor_type[i]=oggpack_read(opb,16); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
246 |
if(ci->floor_type[i]<0 || ci->floor_type[i]>=VI_FLOORB)goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
247 |
ci->floor_param[i]=_floor_P[ci->floor_type[i]]->unpack(vi,opb); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
248 |
if(!ci->floor_param[i])goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
249 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
250 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
251 |
/* residue backend settings */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
252 |
ci->residues=oggpack_read(opb,6)+1; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
253 |
/*ci->residue_type=_ogg_malloc(ci->residues*sizeof(*ci->residue_type));*/ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
254 |
/*ci->residue_param=_ogg_calloc(ci->residues,sizeof(void *));*/ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
255 |
for(i=0;i<ci->residues;i++){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
256 |
ci->residue_type[i]=oggpack_read(opb,16); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
257 |
if(ci->residue_type[i]<0 || ci->residue_type[i]>=VI_RESB)goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
258 |
ci->residue_param[i]=_residue_P[ci->residue_type[i]]->unpack(vi,opb); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
259 |
if(!ci->residue_param[i])goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
260 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
261 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
262 |
/* map backend settings */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
263 |
ci->maps=oggpack_read(opb,6)+1; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
264 |
/*ci->map_type=_ogg_malloc(ci->maps*sizeof(*ci->map_type));*/ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
265 |
/*ci->map_param=_ogg_calloc(ci->maps,sizeof(void *));*/ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
266 |
for(i=0;i<ci->maps;i++){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
267 |
ci->map_type[i]=oggpack_read(opb,16); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
268 |
if(ci->map_type[i]<0 || ci->map_type[i]>=VI_MAPB)goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
269 |
ci->map_param[i]=_mapping_P[ci->map_type[i]]->unpack(vi,opb); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
270 |
if(!ci->map_param[i])goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
271 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
272 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
273 |
/* mode settings */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
274 |
ci->modes=oggpack_read(opb,6)+1; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
275 |
/*vi->mode_param=_ogg_calloc(vi->modes,sizeof(void *));*/ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
276 |
for(i=0;i<ci->modes;i++){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
277 |
ci->mode_param[i]=(vorbis_info_mode *)_ogg_calloc(1,sizeof(*ci->mode_param[i])); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
278 |
ci->mode_param[i]->blockflag=oggpack_read(opb,1); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
279 |
ci->mode_param[i]->windowtype=oggpack_read(opb,16); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
280 |
ci->mode_param[i]->transformtype=oggpack_read(opb,16); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
281 |
ci->mode_param[i]->mapping=oggpack_read(opb,8); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
282 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
283 |
if(ci->mode_param[i]->windowtype>=VI_WINDOWB)goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
284 |
if(ci->mode_param[i]->transformtype>=VI_WINDOWB)goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
285 |
if(ci->mode_param[i]->mapping>=ci->maps)goto err_out; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
286 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
287 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
288 |
if(oggpack_read(opb,1)!=1)goto err_out; /* top level EOP check */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
289 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
290 |
return(0); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
291 |
err_out: |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
292 |
vorbis_info_clear(vi); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
293 |
return(OV_EBADHEADER); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
294 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
295 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
296 |
/* The Vorbis header is in three packets; the initial small packet in |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
297 |
the first page that identifies basic parameters, a second packet |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
298 |
with bitstream comments and a third packet that holds the |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
299 |
codebook. */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
300 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
301 |
int vorbis_synthesis_headerin(vorbis_info *vi,vorbis_comment *vc,ogg_packet *op){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
302 |
oggpack_buffer opb; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
303 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
304 |
if(op){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
305 |
oggpack_readinit(&opb,op->packet); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
306 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
307 |
/* Which of the three types of header is this? */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
308 |
/* Also verify header-ness, vorbis */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
309 |
{ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
310 |
char buffer[6]; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
311 |
int packtype=oggpack_read(&opb,8); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
312 |
memset(buffer,0,6); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
313 |
_v_readstring(&opb,buffer,6); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
314 |
if(memcmp(buffer,"vorbis",6)){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
315 |
/* not a vorbis header */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
316 |
return(OV_ENOTVORBIS); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
317 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
318 |
switch(packtype){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
319 |
case 0x01: /* least significant *bit* is read first */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
320 |
if(!op->b_o_s){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
321 |
/* Not the initial packet */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
322 |
return(OV_EBADHEADER); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
323 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
324 |
if(vi->rate!=0){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
325 |
/* previously initialized info header */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
326 |
return(OV_EBADHEADER); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
327 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
328 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
329 |
return(_vorbis_unpack_info(vi,&opb)); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
330 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
331 |
case 0x03: /* least significant *bit* is read first */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
332 |
if(vi->rate==0){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
333 |
/* um... we didn't get the initial header */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
334 |
return(OV_EBADHEADER); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
335 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
336 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
337 |
return(_vorbis_unpack_comment(vc,&opb)); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
338 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
339 |
case 0x05: /* least significant *bit* is read first */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
340 |
if(vi->rate==0 || vc->vendor==NULL){ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
341 |
/* um... we didn;t get the initial header or comments yet */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
342 |
return(OV_EBADHEADER); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
343 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
344 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
345 |
return(_vorbis_unpack_books(vi,&opb)); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
346 |
|
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
347 |
default: |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
348 |
/* Not a valid vorbis header type */ |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
349 |
return(OV_EBADHEADER); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
350 |
break; |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
351 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
352 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
353 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
354 |
return(OV_EBADHEADER); |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
355 |
} |
f7e49eff3708
add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff
changeset
|
356 |