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update libvorbis 135

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This commit is contained in:
Johxz 2016-12-25 19:04:52 -06:00
parent d3dd5ce235
commit d474b891df
28 changed files with 2856 additions and 1939 deletions
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22
Engine/lib/libvorbis/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 18183 2012-02-03 20:51:27Z xiphmont $
last mod: $Id: codebook.c 19457 2015-03-03 00:15:29Z giles $
********************************************************************/
@ -53,16 +53,16 @@ int vorbis_staticbook_pack(const static_codebook *c,oggpack_buffer *opb){
oggpack_write(opb,c->lengthlist[0]-1,5); /* 1 to 32 */
for(i=1;i<c->entries;i++){
long this=c->lengthlist[i];
long last=c->lengthlist[i-1];
char this=c->lengthlist[i];
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)