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Update libvorbis from 1.3.4 to 1.3.5

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This commit is contained in:
Zack Middleton 2017-05-23 10:11:30 -05:00
parent d87bd792c3
commit bba263d634
15 changed files with 342 additions and 263 deletions
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18
code/libvorbis-1.3.4/lib/codebook.c
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@ -5,13 +5,13 @@
* 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 1994-2009 *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: basic codebook pack/unpack/code/decode operations
last mod: $Id: codebook.c 19057 2014-01-22 12:32:31Z xiphmont $
last mod: $Id: codebook.c 19457 2015-03-03 00:15:29Z giles $
********************************************************************/
@ -57,12 +57,12 @@ int vorbis_staticbook_pack(const static_codebook *c,oggpack_buffer *opb){
char last=c->lengthlist[i-1];
if(this>last){
for(j=last;j<this;j++){
oggpack_write(opb,i-count,_ilog(c->entries-count));
oggpack_write(opb,i-count,ov_ilog(c->entries-count));
count=i;
}
}
}
oggpack_write(opb,i-count,_ilog(c->entries-count));
oggpack_write(opb,i-count,ov_ilog(c->entries-count));
}else{
/* length random. Again, we don't code the codeword itself, just
@ -159,7 +159,7 @@ static_codebook *vorbis_staticbook_unpack(oggpack_buffer *opb){
s->entries=oggpack_read(opb,24);
if(s->entries==-1)goto _eofout;
if(_ilog(s->dim)+_ilog(s->entries)>24)goto _eofout;
if(ov_ilog(s->dim)+ov_ilog(s->entries)>24)goto _eofout;
/* codeword ordering.... length ordered or unordered? */
switch((int)oggpack_read(opb,1)){
@ -203,7 +203,7 @@ static_codebook *vorbis_staticbook_unpack(oggpack_buffer *opb){
s->lengthlist=_ogg_malloc(sizeof(*s->lengthlist)*s->entries);
for(i=0;i<s->entries;){
long num=oggpack_read(opb,_ilog(s->entries-i));
long num=oggpack_read(opb,ov_ilog(s->entries-i));
if(num==-1)goto _eofout;
if(length>32 || num>s->entries-i ||
(num>0 && (num-1)>>(length-1)>1)){
@ -312,6 +312,12 @@ STIN long decode_packed_entry_number(codebook *book, oggpack_buffer *b){
hi=book->used_entries;
}
/* Single entry codebooks use a firsttablen of 1 and a
dec_maxlength of 1. If a single-entry codebook gets here (due to
failure to read one bit above), the next look attempt will also
fail and we'll correctly kick out instead of trying to walk the
underformed tree */
lok = oggpack_look(b, read);
while(lok<0 && read>1)