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libvorbis: 1.3.5 → 1.3.7 (fixes a bunch of CVE and other small issues)

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Sigrid 2020-12-23 12:18:07 +01:00
parent a7a08647b6
commit 7bcdd1b5d8
71 changed files with 223 additions and 285 deletions
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18
sys/src/cmd/audio/libvorbis/COPYING
View file

@ -1,4 +1,4 @@
Copyright (c) 2002, Xiph.org Foundation
Copyright (c) 2002-2020 Xiph.org Foundation
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@ -18,11 +18,11 @@ this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

3
sys/src/cmd/audio/libvorbis/analysis.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: single-block PCM analysis mode dispatch
last mod: $Id: analysis.c 16226 2009-07-08 06:43:49Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/backends.h
View file

@ -6,13 +6,12 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: libvorbis backend and mapping structures; needed for
static mode headers
last mod: $Id: backends.h 16962 2010-03-11 07:30:34Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/barkmel.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: bark scale utility
last mod: $Id: barkmel.c 19454 2015-03-02 22:39:28Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/bitrate.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: bitrate tracking and management
last mod: $Id: bitrate.c 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/bitrate.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: bitrate tracking and management
last mod: $Id: bitrate.h 13293 2007-07-24 00:09:47Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/block.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: PCM data vector blocking, windowing and dis/reassembly
last mod: $Id: block.c 19457 2015-03-03 00:15:29Z giles $
Handle windowing, overlap-add, etc of the PCM vectors. This is made
more amusing by Vorbis' current two allowed block sizes.

3
sys/src/cmd/audio/libvorbis/books/coupled/res_books_51.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2010 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
*
* function: static codebooks for 5.1 surround
* last modified: $Id: res_books_51.h 19057 2014-01-22 12:32:31Z xiphmont $
*
********************************************************************/

3
sys/src/cmd/audio/libvorbis/books/coupled/res_books_stereo.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: static codebooks autogenerated by huff/huffbuld
last modified: $Id: res_books_stereo.h 19057 2014-01-22 12:32:31Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/books/floor/floor_books.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: static codebooks autogenerated by huff/huffbuld
last modified: $Id: floor_books.h 19057 2014-01-22 12:32:31Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/books/uncoupled/res_books_uncoupled.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: static codebooks autogenerated by huff/huffbuld
last modified: $Id: res_books_uncoupled.h 19057 2014-01-22 12:32:31Z xiphmont $
********************************************************************/

51
sys/src/cmd/audio/libvorbis/codebook.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: basic codebook pack/unpack/code/decode operations
last mod: $Id: codebook.c 19457 2015-03-03 00:15:29Z giles $
********************************************************************/
@ -391,7 +390,7 @@ long vorbis_book_decodevs_add(codebook *book,float *a,oggpack_buffer *b,int n){
t[i] = book->valuelist+entry[i]*book->dim;
}
for(i=0,o=0;i<book->dim;i++,o+=step)
for (j=0;j<step;j++)
for (j=0;o+j<n && j<step;j++)
a[o+j]+=t[j][i];
free(entry);
free(t);
@ -405,41 +404,12 @@ long vorbis_book_decodev_add(codebook *book,float *a,oggpack_buffer *b,int n){
int i,j,entry;
float *t;
if(book->dim>8){
for(i=0;i<n;){
entry = decode_packed_entry_number(book,b);
if(entry==-1)return(-1);
t = book->valuelist+entry*book->dim;
for (j=0;j<book->dim;)
a[i++]+=t[j++];
}
}else{
for(i=0;i<n;){
entry = decode_packed_entry_number(book,b);
if(entry==-1)return(-1);
t = book->valuelist+entry*book->dim;
j=0;
switch((int)book->dim){
case 8:
a[i++]+=t[j++];
case 7:
a[i++]+=t[j++];
case 6:
a[i++]+=t[j++];
case 5:
a[i++]+=t[j++];
case 4:
a[i++]+=t[j++];
case 3:
a[i++]+=t[j++];
case 2:
a[i++]+=t[j++];
case 1:
a[i++]+=t[j++];
case 0:
break;
}
}
for(i=0;i<n;){
entry = decode_packed_entry_number(book,b);
if(entry==-1)return(-1);
t = book->valuelist+entry*book->dim;
for(j=0;i<n && j<book->dim;)
a[i++]+=t[j++];
}
}
return(0);
@ -477,12 +447,13 @@ long vorbis_book_decodevv_add(codebook *book,float **a,long offset,int ch,
long i,j,entry;
int chptr=0;
if(book->used_entries>0){
for(i=offset/ch;i<(offset+n)/ch;){
int m=(offset+n)/ch;
for(i=offset/ch;i<m;){
entry = decode_packed_entry_number(book,b);
if(entry==-1)return(-1);
{
const float *t = book->valuelist+entry*book->dim;
for (j=0;j<book->dim;j++){
for (j=0;i<m && j<book->dim;j++){
a[chptr++][i]+=t[j];
if(chptr==ch){
chptr=0;

3
sys/src/cmd/audio/libvorbis/codebook.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: basic shared codebook operations
last mod: $Id: codebook.h 19457 2015-03-03 00:15:29Z giles $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/codec_internal.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: libvorbis codec headers
last mod: $Id: codec_internal.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/envelope.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: PCM data envelope analysis
last mod: $Id: envelope.c 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/envelope.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: PCM data envelope analysis and manipulation
last mod: $Id: envelope.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/floor0.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: floor backend 0 implementation
last mod: $Id: floor0.c 19457 2015-03-03 00:15:29Z giles $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/floor1.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: floor backend 1 implementation
last mod: $Id: floor1.c 19457 2015-03-03 00:15:29Z giles $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/highlevel.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: highlevel encoder setup struct separated out for vorbisenc clarity
last mod: $Id: highlevel.h 17195 2010-05-05 21:49:51Z giles $
********************************************************************/

55
sys/src/cmd/audio/libvorbis/info.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: maintain the info structure, info <-> header packets
last mod: $Id: info.c 19441 2015-01-21 01:17:41Z xiphmont $
********************************************************************/
@ -20,7 +19,6 @@
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <ogg/ogg.h>
#include "vorbis/codec.h"
#include "codec_internal.h"
@ -31,8 +29,8 @@
#include "misc.h"
#include "os.h"
#define GENERAL_VENDOR_STRING "Xiph.Org libVorbis 1.3.5"
#define ENCODE_VENDOR_STRING "Xiph.Org libVorbis I 20150105 (⛄⛄⛄⛄)"
#define GENERAL_VENDOR_STRING "Xiph.Org libVorbis 1.3.7"
#define ENCODE_VENDOR_STRING "Xiph.Org libVorbis I 20200704 (Reducing Environment)"
/* helpers */
static void _v_writestring(oggpack_buffer *o,const char *s, int bytes){
@ -48,6 +46,10 @@ static void _v_readstring(oggpack_buffer *o,char *buf,int bytes){
}
}
static int _v_toupper(int c) {
return (c >= 'a' && c <= 'z') ? (c & ~('a' - 'A')) : c;
}
void vorbis_comment_init(vorbis_comment *vc){
memset(vc,0,sizeof(*vc));
}
@ -65,12 +67,13 @@ void vorbis_comment_add(vorbis_comment *vc,const char *comment){
}
void vorbis_comment_add_tag(vorbis_comment *vc, const char *tag, const char *contents){
char *comment=malloc(strlen(tag)+strlen(contents)+2); /* +2 for = and \0 */
/* Length for key and value +2 for = and \0 */
char *comment=_ogg_malloc(strlen(tag)+strlen(contents)+2);
strcpy(comment, tag);
strcat(comment, "=");
strcat(comment, contents);
vorbis_comment_add(vc, comment);
free(comment);
_ogg_free(comment);
}
/* This is more or less the same as strncasecmp - but that doesn't exist
@ -78,7 +81,7 @@ void vorbis_comment_add_tag(vorbis_comment *vc, const char *tag, const char *con
static int tagcompare(const char *s1, const char *s2, int n){
int c=0;
while(c < n){
if(toupper(s1[c]) != toupper(s2[c]))
if(_v_toupper(s1[c]) != _v_toupper(s2[c]))
return !0;
c++;
}
@ -89,29 +92,30 @@ char *vorbis_comment_query(vorbis_comment *vc, const char *tag, int count){
long i;
int found = 0;
int taglen = strlen(tag)+1; /* +1 for the = we append */
char *fulltag = malloc(taglen+ 1);
char *fulltag = _ogg_malloc(taglen+1);
strcpy(fulltag, tag);
strcat(fulltag, "=");
for(i=0;i<vc->comments;i++){
if(!tagcompare(vc->user_comments[i], fulltag, taglen)){
if(count == found){
free(fulltag);
if(count == found) {
/* We return a pointer to the data, not a copy */
_ogg_free(fulltag);
return vc->user_comments[i] + taglen;
}else
} else {
found++;
}
}
}
free(fulltag);
_ogg_free(fulltag);
return NULL; /* didn't find anything */
}
int vorbis_comment_query_count(vorbis_comment *vc, const char *tag){
int i,count=0;
int taglen = strlen(tag)+1; /* +1 for the = we append */
char *fulltag = malloc(taglen+1);
char *fulltag = _ogg_malloc(taglen+1);
strcpy(fulltag,tag);
strcat(fulltag, "=");
@ -119,7 +123,8 @@ int vorbis_comment_query_count(vorbis_comment *vc, const char *tag){
if(!tagcompare(vc->user_comments[i], fulltag, taglen))
count++;
}
free(fulltag);
_ogg_free(fulltag);
return count;
}
@ -201,6 +206,7 @@ void vorbis_info_clear(vorbis_info *vi){
static int _vorbis_unpack_info(vorbis_info *vi,oggpack_buffer *opb){
codec_setup_info *ci=vi->codec_setup;
int bs;
if(!ci)return(OV_EFAULT);
vi->version=oggpack_read(opb,32);
@ -209,12 +215,16 @@ static int _vorbis_unpack_info(vorbis_info *vi,oggpack_buffer *opb){
vi->channels=oggpack_read(opb,8);
vi->rate=oggpack_read(opb,32);
vi->bitrate_upper=oggpack_read(opb,32);
vi->bitrate_nominal=oggpack_read(opb,32);
vi->bitrate_lower=oggpack_read(opb,32);
vi->bitrate_upper=(ogg_int32_t)oggpack_read(opb,32);
vi->bitrate_nominal=(ogg_int32_t)oggpack_read(opb,32);
vi->bitrate_lower=(ogg_int32_t)oggpack_read(opb,32);
ci->blocksizes[0]=1<<oggpack_read(opb,4);
ci->blocksizes[1]=1<<oggpack_read(opb,4);
bs = oggpack_read(opb,4);
if(bs<0)goto err_out;
ci->blocksizes[0]=1<<bs;
bs = oggpack_read(opb,4);
if(bs<0)goto err_out;
ci->blocksizes[1]=1<<bs;
if(vi->rate<1)goto err_out;
if(vi->channels<1)goto err_out;
@ -586,7 +596,8 @@ int vorbis_analysis_headerout(vorbis_dsp_state *v,
oggpack_buffer opb;
private_state *b=v->backend_state;
if(!b||vi->channels<=0){
if(!b||vi->channels<=0||vi->channels>256){
b = NULL;
ret=OV_EFAULT;
goto err_out;
}
@ -645,7 +656,7 @@ int vorbis_analysis_headerout(vorbis_dsp_state *v,
memset(op_code,0,sizeof(*op_code));
if(b){
oggpack_writeclear(&opb);
if(vi->channels>0)oggpack_writeclear(&opb);
if(b->header)_ogg_free(b->header);
if(b->header1)_ogg_free(b->header1);
if(b->header2)_ogg_free(b->header2);

3
sys/src/cmd/audio/libvorbis/lookup.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: lookup based functions
last mod: $Id: lookup.c 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/lookup.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: lookup based functions
last mod: $Id: lookup.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/lookup_data.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: lookup data; generated by lookups.pl; edit there
last mod: $Id: lookup_data.h 16037 2009-05-26 21:10:58Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/lpc.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: LPC low level routines
last mod: $Id: lpc.c 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/lpc.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: LPC low level routines
last mod: $Id: lpc.h 16037 2009-05-26 21:10:58Z xiphmont $
********************************************************************/

6
sys/src/cmd/audio/libvorbis/lsp.c
View file

@ -6,19 +6,19 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: LSP (also called LSF) conversion routines
last mod: $Id: lsp.c 19453 2015-03-02 22:35:34Z xiphmont $
The LSP generation code is taken (with minimal modification and a
few bugfixes) from "On the Computation of the LSP Frequencies" by
Joseph Rothweiler (see http://www.rothweiler.us for contact info).
The paper is available at:
http://www.myown1.com/joe/lsf
https://web.archive.org/web/20110810174000/http://home.myfairpoint.net/vzenxj75/myown1/joe/lsf/index.html
********************************************************************/

3
sys/src/cmd/audio/libvorbis/lsp.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: LSP (also called LSF) conversion routines
last mod: $Id: lsp.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/

5
sys/src/cmd/audio/libvorbis/mapping0.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2010 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: channel mapping 0 implementation
last mod: $Id: mapping0.c 19441 2015-01-21 01:17:41Z xiphmont $
********************************************************************/
@ -93,7 +92,6 @@ static vorbis_info_mapping *mapping0_unpack(vorbis_info *vi,oggpack_buffer *opb)
int i,b;
vorbis_info_mapping0 *info=_ogg_calloc(1,sizeof(*info));
codec_setup_info *ci=vi->codec_setup;
memset(info,0,sizeof(*info));
if(vi->channels<=0)goto err_out;
b=oggpack_read(opb,1);
@ -717,6 +715,7 @@ static int mapping0_inverse(vorbis_block *vb,vorbis_info_mapping *l){
float **pcmbundle=malloc(sizeof(*pcmbundle)*vi->channels);
int *zerobundle=malloc(sizeof(*zerobundle)*vi->channels);
int *nonzero =malloc(sizeof(*nonzero)*vi->channels);
void **floormemo=malloc(sizeof(*floormemo)*vi->channels);

3
sys/src/cmd/audio/libvorbis/masking.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: masking curve data for psychoacoustics
last mod: $Id: masking.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/

8
sys/src/cmd/audio/libvorbis/mdct.c
View file

@ -6,13 +6,12 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: normalized modified discrete cosine transform
power of two length transform only [64 <= n ]
last mod: $Id: mdct.c 16227 2009-07-08 06:58:46Z xiphmont $
Original algorithm adapted long ago from _The use of multirate filter
banks for coding of high quality digital audio_, by T. Sporer,
@ -495,8 +494,7 @@ void mdct_forward(mdct_lookup *init, DATA_TYPE *in, DATA_TYPE *out){
int n2=n>>1;
int n4=n>>2;
int n8=n>>3;
DATA_TYPE *wbuf=malloc(n*sizeof(DATA_TYPE)); /* forward needs working space */
DATA_TYPE *w=wbuf;
DATA_TYPE *w=malloc(n*sizeof(*w)); /* forward needs working space */
DATA_TYPE *w2=w+n2;
/* rotate */
@ -561,5 +559,5 @@ void mdct_forward(mdct_lookup *init, DATA_TYPE *in, DATA_TYPE *out){
w+=2;
T+=2;
}
free(wbuf);
free(w);
}

3
sys/src/cmd/audio/libvorbis/mdct.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: modified discrete cosine transform prototypes
last mod: $Id: mdct.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/misc.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: miscellaneous prototypes
last mod: $Id: misc.h 19457 2015-03-03 00:15:29Z giles $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/floor_all.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: key floor settings
last mod: $Id: floor_all.h 17050 2010-03-26 01:34:42Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/psych_11.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: 11kHz settings
last mod: $Id: psych_11.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/psych_16.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: 16kHz settings
last mod: $Id: psych_16.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/psych_44.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: key psychoacoustic settings for 44.1/48kHz
last mod: $Id: psych_44.h 16962 2010-03-11 07:30:34Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/psych_8.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: 8kHz psychoacoustic settings
last mod: $Id: psych_8.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/residue_16.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: toplevel residue templates 16/22kHz
last mod: $Id: residue_16.h 16962 2010-03-11 07:30:34Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/residue_44.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: toplevel residue templates for 32/44.1/48kHz
last mod: $Id: residue_44.h 16962 2010-03-11 07:30:34Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/residue_44p51.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2010 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: toplevel residue templates for 32/44.1/48kHz uncoupled
last mod: $Id: residue_44p51.h 19013 2013-11-12 04:04:50Z giles $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/residue_44u.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: toplevel residue templates for 32/44.1/48kHz uncoupled
last mod: $Id: residue_44u.h 16962 2010-03-11 07:30:34Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/residue_8.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: toplevel residue templates 8/11kHz
last mod: $Id: residue_8.h 16962 2010-03-11 07:30:34Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/setup_11.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: 11kHz settings
last mod: $Id: setup_11.h 16894 2010-02-12 20:32:12Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/setup_16.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: 16kHz settings
last mod: $Id: setup_16.h 16894 2010-02-12 20:32:12Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/setup_22.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: 22kHz settings
last mod: $Id: setup_22.h 17026 2010-03-25 05:00:27Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/setup_32.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: toplevel settings for 32kHz
last mod: $Id: setup_32.h 16894 2010-02-12 20:32:12Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/setup_44.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: toplevel settings for 44.1/48kHz
last mod: $Id: setup_44.h 16962 2010-03-11 07:30:34Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/setup_44p51.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2010 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: toplevel settings for 44.1/48kHz 5.1 surround modes
last mod: $Id: setup_44p51.h 19013 2013-11-12 04:04:50Z giles $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/setup_44u.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: toplevel settings for 44.1/48kHz uncoupled modes
last mod: $Id: setup_44u.h 16962 2010-03-11 07:30:34Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/setup_8.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: 8kHz settings
last mod: $Id: setup_8.h 16894 2010-02-12 20:32:12Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/modes/setup_X.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: catch-all toplevel settings for q modes only
last mod: $Id: setup_X.h 16894 2010-02-12 20:32:12Z xiphmont $
********************************************************************/

16
sys/src/cmd/audio/libvorbis/os.h
View file

@ -8,12 +8,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: #ifdef jail to whip a few platforms into the UNIX ideal.
last mod: $Id: os.h 19457 2015-03-03 00:15:29Z giles $
********************************************************************/
@ -31,7 +30,7 @@
# ifdef __GNUC__
# define STIN static __inline__
# elif _WIN32
# elif defined(_WIN32)
# define STIN static __inline
# else
# define STIN static
@ -65,7 +64,7 @@ void *_alloca(size_t size);
# define FAST_HYPOT hypot
#endif
#endif
#endif /* _V_IFDEFJAIL_H_ */
#ifdef HAVE_ALLOCA_H
# include <alloca.h>
@ -85,7 +84,7 @@ void *_alloca(size_t size);
/* Special i386 GCC implementation */
#if defined(__i386__) && defined(__GNUC__) && !defined(__BEOS__)
#if defined(__i386__) && defined(__GNUC__) && !defined(__BEOS__) && !defined(__SSE2_MATH__)
# define VORBIS_FPU_CONTROL
/* both GCC and MSVC are kinda stupid about rounding/casting to int.
Because of encapsulation constraints (GCC can't see inside the asm
@ -124,8 +123,7 @@ static inline int vorbis_ftoi(double f){ /* yes, double! Otherwise,
/* MSVC inline assembly. 32 bit only; inline ASM isn't implemented in the
* 64 bit compiler and doesn't work on arm. */
#if defined(_MSC_VER) && !defined(_WIN64) && \
!defined(_WIN32_WCE) && !defined(_M_ARM)
#if defined(_MSC_VER) && defined(_M_IX86) && !defined(_WIN32_WCE)
# define VORBIS_FPU_CONTROL
typedef ogg_int16_t vorbis_fpu_control;
@ -152,7 +150,7 @@ static __inline void vorbis_fpu_restore(vorbis_fpu_control fpu){
/* Optimized code path for x86_64 builds. Uses SSE2 intrinsics. This can be
done safely because all x86_64 CPUs supports SSE2. */
#if (defined(_MSC_VER) && defined(_WIN64)) || (defined(__GNUC__) && defined (__x86_64__))
#if (defined(_MSC_VER) && defined(_M_X64)) || (defined(__GNUC__) && defined (__SSE2_MATH__))
# define VORBIS_FPU_CONTROL
typedef ogg_int16_t vorbis_fpu_control;
@ -179,7 +177,7 @@ static __inline void vorbis_fpu_restore(vorbis_fpu_control fpu){
typedef int vorbis_fpu_control;
static int vorbis_ftoi(double f){
STIN int vorbis_ftoi(double f){
/* Note: MSVC and GCC (at least on some systems) round towards zero, thus,
the floor() call is required to ensure correct roudning of
negative numbers */

27
sys/src/cmd/audio/libvorbis/psy.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2010 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: psychoacoustics not including preecho
last mod: $Id: psy.c 18077 2011-09-02 02:49:00Z giles $
********************************************************************/
@ -602,11 +601,12 @@ static void bark_noise_hybridmp(int n,const long *b,
XY[i] = tXY;
}
for (i = 0, x = 0.f;; i++, x += 1.f) {
for (i = 0, x = 0.f; i < n; i++, x += 1.f) {
lo = b[i] >> 16;
if( lo>=0 ) break;
hi = b[i] & 0xffff;
if( lo>=0 || -lo>=n ) break;
if( hi>=n ) break;
tN = N[hi] + N[-lo];
tX = X[hi] - X[-lo];
@ -618,17 +618,17 @@ static void bark_noise_hybridmp(int n,const long *b,
B = tN * tXY - tX * tY;
D = tN * tXX - tX * tX;
R = (A + x * B) / D;
if (R < 0.f)
R = 0.f;
if (R < 0.f) R = 0.f;
noise[i] = R - offset;
}
for ( ;; i++, x += 1.f) {
for ( ; i < n; i++, x += 1.f) {
lo = b[i] >> 16;
hi = b[i] & 0xffff;
if(hi>=n)break;
if( lo<0 || lo>=n ) break;
if( hi>=n ) break;
tN = N[hi] - N[lo];
tX = X[hi] - X[lo];
@ -644,6 +644,7 @@ static void bark_noise_hybridmp(int n,const long *b,
noise[i] = R - offset;
}
for ( ; i < n; i++, x += 1.f) {
R = (A + x * B) / D;
@ -657,10 +658,11 @@ static void bark_noise_hybridmp(int n,const long *b,
return;
}
for (i = 0, x = 0.f;; i++, x += 1.f) {
for (i = 0, x = 0.f; i < n; i++, x += 1.f) {
hi = i + fixed / 2;
lo = hi - fixed;
if(lo>=0)break;
if ( hi>=n ) break;
if ( lo>=0 ) break;
tN = N[hi] + N[-lo];
tX = X[hi] - X[-lo];
@ -676,11 +678,12 @@ static void bark_noise_hybridmp(int n,const long *b,
if (R - offset < noise[i]) noise[i] = R - offset;
}
for ( ;; i++, x += 1.f) {
for ( ; i < n; i++, x += 1.f) {
hi = i + fixed / 2;
lo = hi - fixed;
if(hi>=n)break;
if ( hi>=n ) break;
if ( lo<0 ) break;
tN = N[hi] - N[lo];
tX = X[hi] - X[lo];

3
sys/src/cmd/audio/libvorbis/psy.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: random psychoacoustics (not including preecho)
last mod: $Id: psy.h 16946 2010-03-03 16:12:40Z xiphmont $
********************************************************************/

67
sys/src/cmd/audio/libvorbis/psytune.c
View file

@ -6,13 +6,12 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: simple utility that runs audio through the psychoacoustics
without encoding
last mod: $Id: psytune.c 16037 2009-05-26 21:10:58Z xiphmont $
********************************************************************/
@ -41,11 +40,11 @@
static vorbis_info_psy_global _psy_set0G={
0, /* decaydBpms */
8, /* lines per eighth octave */
/* thresh sample period, preecho clamp trigger threshhold, range, minenergy */
256, {26.f,26.f,26.f,30.f}, {-90.f,-90.f,-90.f,-90.f}, -90.f,
-6.f,
-6.f,
0,
0.,
@ -68,7 +67,7 @@ static vp_couple _vp_couple0[]={
static vorbis_info_psy _psy_set0={
ATH_Bark_dB_lineaggressive,
-100.f,
-140.f,
6.f, /* floor master att */
@ -148,7 +147,7 @@ static vorbis_info_psy _psy_set0={
.900f, 0.f, /*11500*/
.900f, 1.f, /*16000*/
},
95.f, /* even decade + 5 is important; saves an rint() later in a
tight loop) */
-44.,
@ -159,7 +158,7 @@ static vorbis_info_psy _psy_set0={
static vorbis_info_floor1 _floor_set0={1,
{0},
{32},
{0},
{0},
@ -171,12 +170,12 @@ static vorbis_info_floor1 _floor_set0={1,
88,31,243,
14,54,143,460,
6,3,10, 22,18,26, 41,36,47,
69,61,78, 112,99,126, 185,162,211,
6,3,10, 22,18,26, 41,36,47,
69,61,78, 112,99,126, 185,162,211,
329,282,387, 672,553,825
},
60,30,400,
20,8,1,18.,
20,600,
@ -184,8 +183,8 @@ static vorbis_info_floor1 _floor_set0={1,
static vorbis_info_mapping0 mapping_info={1,{0,1},{0},{0},{0},0, 1, {0},{1}};
static codec_setup_info codec_setup0={ {0,0},
1,1,1,1,1,0,1,
static codec_setup_info codec_setup0={ {0,0},
1,1,1,1,1,0,1,
{NULL},
{0},{&mapping_info},
{0},{NULL},
@ -194,7 +193,7 @@ static codec_setup_info codec_setup0={ {0,0},
{NULL},
{&_psy_set0},
&_psy_set0G};
static int noisy=0;
void analysis(char *base,int i,float *v,int n,int bark,int dB){
if(noisy){
@ -212,7 +211,7 @@ void analysis(char *base,int i,float *v,int n,int bark,int dB){
fprintf(of,"%g ",toBARK(22050.f*j/n));
else
fprintf(of,"%g ",(float)j);
if(dB){
fprintf(of,"%g\n",todB(v+j));
}else{
@ -269,7 +268,7 @@ int main(int argc,char *argv[]){
framesize=atoi(argv[0]);
argv++;
}
vi.channels=2;
vi.codec_setup=&codec_setup0;
@ -292,7 +291,7 @@ int main(int argc,char *argv[]){
/* we cheat on the WAV header; we just bypass 44 bytes and never
verify that it matches 16bit/stereo/44.1kHz. */
fread(buffer,1,44,stdin);
fwrite(buffer,1,44,stdout);
memset(buffer,0,framesize*2);
@ -302,10 +301,10 @@ int main(int argc,char *argv[]){
fprintf(stderr,"Processing for frame size %d...\n",framesize);
while(!eos){
long bytes=fread(buffer2,1,framesize*2,stdin);
long bytes=fread(buffer2,1,framesize*2,stdin);
if(bytes<framesize*2)
memset(buffer2+bytes,0,framesize*2-bytes);
if(bytes!=0){
int nonzero[2];
@ -316,10 +315,10 @@ int main(int argc,char *argv[]){
pcm[1][i]=((buffer[i*4+3]<<8)|
(0x00ff&(int)buffer[i*4+2]))/32768.f;
}
{
float secs=framesize/44100.;
ampmax+=secs*ampmax_att_per_sec;
if(ampmax<-9999)ampmax=-9999;
}
@ -331,11 +330,11 @@ int main(int argc,char *argv[]){
float *logmdct=mdct+framesize/2;
analysis("pre",frameno+i,pcm[i],framesize,0,0);
/* fft and mdct transforms */
for(j=0;j<framesize;j++)
fft[j]=pcm[i][j]*=window[j];
drft_forward(&f_look,fft);
local_ampmax[i]=-9999.f;
@ -347,7 +346,7 @@ int main(int argc,char *argv[]){
if(temp>local_ampmax[i])local_ampmax[i]=temp;
}
if(local_ampmax[i]>ampmax)ampmax=local_ampmax[i];
mdct_forward(&m_look,pcm[i],mdct);
for(j=0;j<framesize/2;j++)
logmdct[j]=todB(mdct+j);
@ -391,7 +390,7 @@ int main(int argc,char *argv[]){
logmdct,
mask,
logmax,
flr[i]);
}
@ -406,7 +405,7 @@ int main(int argc,char *argv[]){
for(j=0;j<framesize/2;j++)
if(fabs(pcm[i][j])>1500)
fprintf(stderr,"%ld ",frameno+i);
analysis("res",frameno+i,pcm[i],framesize/2,1,0);
analysis("codedflr",frameno+i,flr[i],framesize/2,1,1);
}
@ -416,7 +415,7 @@ int main(int argc,char *argv[]){
&vi,
pcm,
nonzero);
for(i=0;i<2;i++)
analysis("quant",frameno+i,pcm[i],framesize/2,1,0);
@ -426,7 +425,7 @@ int main(int argc,char *argv[]){
&mapping_info,
pcm,
nonzero);
for(i=0;i<2;i++)
analysis("coupled",frameno+i,pcm[i],framesize/2,1,0);
@ -434,11 +433,11 @@ int main(int argc,char *argv[]){
for(i=mapping_info.coupling_steps-1;i>=0;i--){
float *pcmM=pcm[mapping_info.coupling_mag[i]];
float *pcmA=pcm[mapping_info.coupling_ang[i]];
for(j=0;j<framesize/2;j++){
float mag=pcmM[j];
float ang=pcmA[j];
if(mag>0)
if(ang>0){
pcmM[j]=mag;
@ -457,7 +456,7 @@ int main(int argc,char *argv[]){
}
}
}
for(i=0;i<2;i++)
analysis("decoupled",frameno+i,pcm[i],framesize/2,1,0);
@ -479,7 +478,7 @@ int main(int argc,char *argv[]){
}
/* write data. Use the part of buffer we're about to shift out */
for(i=0;i<2;i++){
char *ptr=buffer+i*2;
@ -503,7 +502,7 @@ int main(int argc,char *argv[]){
ptr+=4;
}
}
fprintf(stderr,"*");
fwrite(buffer,1,framesize*2,stdout);
memmove(buffer,buffer2,framesize*2);

3
sys/src/cmd/audio/libvorbis/registry.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: registry for time, floor, res backends and channel mappings
last mod: $Id: registry.c 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/registry.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: registry for time, floor, res backends and channel mappings
last mod: $Id: registry.h 15531 2008-11-24 23:50:06Z xiphmont $
********************************************************************/

6
sys/src/cmd/audio/libvorbis/res0.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2010 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: residue backend 0, 1 and 2 implementation
last mod: $Id: res0.c 19441 2015-01-21 01:17:41Z xiphmont $
********************************************************************/
@ -31,9 +30,6 @@
#include "misc.h"
#include "os.h"
//#define TRAIN_RES 1
//#define TRAIN_RESAUX 1
#if defined(TRAIN_RES) || defined (TRAIN_RESAUX)
#include <stdio.h>
#endif

3
sys/src/cmd/audio/libvorbis/scales.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: linear scale -> dB, Bark and Mel scales
last mod: $Id: scales.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/

38
sys/src/cmd/audio/libvorbis/sharedbook.c
View file

@ -6,16 +6,16 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: basic shared codebook operations
last mod: $Id: sharedbook.c 19457 2015-03-03 00:15:29Z giles $
********************************************************************/
#include <stdlib.h>
#include <limits.h>
#include <math.h>
#include <string.h>
#include <ogg/ogg.h>
@ -50,7 +50,7 @@ long _float32_pack(float val){
sign=0x80000000;
val= -val;
}
exp= floor(log(val)/log(2.f)+.001); //+epsilon
exp= floor(log(val)/log(2.f)+.001); /* +epsilon */
mant=rint(ldexp(val,(VQ_FMAN-1)-exp));
exp=(exp+VQ_FEXP_BIAS)<<VQ_FMAN;
@ -62,7 +62,15 @@ float _float32_unpack(long val){
int sign=val&0x80000000;
long exp =(val&0x7fe00000L)>>VQ_FMAN;
if(sign)mant= -mant;
return(ldexp(mant,exp-(VQ_FMAN-1)-VQ_FEXP_BIAS));
exp=exp-(VQ_FMAN-1)-VQ_FEXP_BIAS;
/* clamp excessive exponent values */
if (exp>63){
exp=63;
}
if (exp<-63){
exp=-63;
}
return(ldexp(mant,exp));
}
/* given a list of word lengths, generate a list of codewords. Works
@ -158,25 +166,34 @@ ogg_uint32_t *_make_words(char *l,long n,long sparsecount){
that's portable and totally safe against roundoff, but I haven't
thought of it. Therefore, we opt on the side of caution */
long _book_maptype1_quantvals(const static_codebook *b){
long vals=floor(pow((float)b->entries,1.f/b->dim));
long vals;
if(b->entries<1){
return(0);
}
vals=floor(pow((float)b->entries,1.f/b->dim));
/* the above *should* be reliable, but we'll not assume that FP is
ever reliable when bitstream sync is at stake; verify via integer
means that vals really is the greatest value of dim for which
vals^b->bim <= b->entries */
/* treat the above as an initial guess */
if(vals<1){
vals=1;
}
while(1){
long acc=1;
long acc1=1;
int i;
for(i=0;i<b->dim;i++){
if(b->entries/vals<acc)break;
acc*=vals;
acc1*=vals+1;
if(LONG_MAX/(vals+1)<acc1)acc1=LONG_MAX;
else acc1*=vals+1;
}
if(acc<=b->entries && acc1>b->entries){
if(i>=b->dim && acc<=b->entries && acc1>b->entries){
return(vals);
}else{
if(acc>b->entries){
if(i<b->dim || acc>b->entries){
vals--;
}else{
vals++;
@ -285,7 +302,7 @@ int vorbis_book_init_encode(codebook *c,const static_codebook *s){
c->used_entries=s->entries;
c->dim=s->dim;
c->codelist=_make_words(s->lengthlist,s->entries,0);
//c->valuelist=_book_unquantize(s,s->entries,NULL);
/* c->valuelist=_book_unquantize(s,s->entries,NULL); */
c->quantvals=_book_maptype1_quantvals(s);
c->minval=(int)rint(_float32_unpack(s->q_min));
c->delta=(int)rint(_float32_unpack(s->q_delta));
@ -338,7 +355,7 @@ int vorbis_book_init_decode(codebook *c,const static_codebook *s){
ogg_uint32_t **codep;
if(codes==NULL)goto err_out;
codep = malloc(sizeof(*codep)*n);
codep=malloc(sizeof(*codep)*n);
for(i=0;i<n;i++){
codes[i]=bitreverse(codes[i]);
@ -567,6 +584,7 @@ void run_test(static_codebook *b,float *comp){
exit(1);
}
}
free(out);
}
int main(){

3
sys/src/cmd/audio/libvorbis/smallft.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: *unnormalized* fft transform
last mod: $Id: smallft.c 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/smallft.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: fft transform
last mod: $Id: smallft.h 13293 2007-07-24 00:09:47Z xiphmont $
********************************************************************/

5
sys/src/cmd/audio/libvorbis/synthesis.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: single-block PCM synthesis
last mod: $Id: synthesis.c 19441 2015-01-21 01:17:41Z xiphmont $
********************************************************************/
@ -117,7 +116,7 @@ int vorbis_synthesis_trackonly(vorbis_block *vb,ogg_packet *op){
if(!ci->mode_param[mode]){
return(OV_EBADPACKET);
}
vb->W=ci->mode_param[mode]->blockflag;
if(vb->W){
vb->lW=oggpack_read(opb,1);

4
sys/src/cmd/audio/libvorbis/tone.c
View file

@ -12,7 +12,7 @@ int main (int argc,char *argv[]){
int i,j;
double *f;
double *amp;
if(argc<2)usage();
f=alloca(sizeof(*f)*(argc-1));
@ -21,7 +21,7 @@ int main (int argc,char *argv[]){
i=0;
while(argv[i+1]){
char *pos=strchr(argv[i+1],',');
f[i]=atof(argv[i+1]);
if(pos)
amp[i]=atof(pos+1)*32767.f;

3
sys/src/cmd/audio/libvorbis/vorbis/codec.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
********************************************************************
function: libvorbis codec headers
last mod: $Id: codec.h 17021 2010-03-24 09:29:41Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/vorbis/vorbisenc.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: vorbis encode-engine setup
last mod: $Id: vorbisenc.h 17021 2010-03-24 09:29:41Z xiphmont $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/vorbis/vorbisfile.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: stdio-based convenience library for opening/seeking/decoding
last mod: $Id: vorbisfile.h 17182 2010-04-29 03:48:32Z xiphmont $
********************************************************************/

6
sys/src/cmd/audio/libvorbis/vorbisenc.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: simple programmatic interface for encoder mode setup
last mod: $Id: vorbisenc.c 19457 2015-03-03 00:15:29Z giles $
********************************************************************/
@ -685,6 +684,7 @@ int vorbis_encode_setup_init(vorbis_info *vi){
highlevel_encode_setup *hi=&ci->hi;
if(ci==NULL)return(OV_EINVAL);
if(vi->channels<1||vi->channels>255)return(OV_EINVAL);
if(!hi->impulse_block_p)i0=1;
/* too low/high an ATH floater is nonsensical, but doesn't break anything */
@ -1211,7 +1211,7 @@ int vorbis_encode_ctl(vorbis_info *vi,int number,void *arg){
hi->req,
hi->managed,
&new_base);
if(!hi->setup)return OV_EIMPL;
if(!new_template)return OV_EIMPL;
hi->setup=new_template;
hi->base_setting=new_base;
vorbis_encode_setup_setting(vi,vi->channels,vi->rate);

28
sys/src/cmd/audio/libvorbis/vorbisfile.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: stdio-based convenience library for opening/seeking/decoding
last mod: $Id: vorbisfile.c 19457 2015-03-03 00:15:29Z giles $
********************************************************************/
@ -265,6 +264,10 @@ static ogg_int64_t _get_prev_page_serial(OggVorbis_File *vf, ogg_int64_t begin,
}
}
}
/*We started from the beginning of the stream and found nothing.
This should be impossible unless the contents of the stream changed out
from under us after we read from it.*/
if(!begin&&vf->offset<0)return OV_EBADLINK;
}
/* we're not interested in the page... just the serialno and granpos. */
@ -1231,7 +1234,6 @@ double ov_time_total(OggVorbis_File *vf,int i){
int ov_raw_seek(OggVorbis_File *vf,ogg_int64_t pos){
ogg_stream_state work_os;
int ret;
if(vf->ready_state<OPENED)return(OV_EINVAL);
if(!vf->seekable)
@ -1254,8 +1256,12 @@ int ov_raw_seek(OggVorbis_File *vf,ogg_int64_t pos){
vf->current_serialno); /* must set serialno */
vorbis_synthesis_restart(&vf->vd);
ret=_seek_helper(vf,pos);
if(ret)goto seek_error;
if(_seek_helper(vf,pos)) {
/* dump the machine so we're in a known state */
vf->pcm_offset=-1;
_decode_clear(vf);
return OV_EBADLINK;
}
/* we need to make sure the pcm_offset is set, but we don't want to
advance the raw cursor past good packets just to get to the first
@ -1389,13 +1395,6 @@ int ov_raw_seek(OggVorbis_File *vf,ogg_int64_t pos){
vf->bittrack=0.f;
vf->samptrack=0.f;
return(0);
seek_error:
/* dump the machine so we're in a known state */
vf->pcm_offset=-1;
ogg_stream_clear(&work_os);
_decode_clear(vf);
return OV_EBADLINK;
}
/* Page granularity seek (faster than sample granularity because we
@ -1965,6 +1964,7 @@ long ov_read_filter(OggVorbis_File *vf,char *buffer,int length,
long samples;
if(vf->ready_state<OPENED)return(OV_EINVAL);
if(word<=0)return(OV_EINVAL);
while(1){
if(vf->ready_state==INITSET){
@ -1990,6 +1990,8 @@ long ov_read_filter(OggVorbis_File *vf,char *buffer,int length,
long channels=ov_info(vf,-1)->channels;
long bytespersample=word * channels;
vorbis_fpu_control fpu;
if(channels<1||channels>255)return(OV_EINVAL);
if(samples>length/bytespersample)samples=length/bytespersample;
if(samples <= 0)
@ -2420,9 +2422,9 @@ static int _ov_d_seek_lap(OggVorbis_File *vf,double pos,
/* splice */
_ov_splice(pcm,lappcm,n1,n2,ch1,ch2,w1,w2);
ret = 0;
/* done */
ret = 0;
done:
for(i=0;i<ch1;i++)
free(lappcm[i]);

3
sys/src/cmd/audio/libvorbis/window.c
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: window functions
last mod: $Id: window.c 19028 2013-12-02 23:23:39Z tterribe $
********************************************************************/

3
sys/src/cmd/audio/libvorbis/window.h
View file

@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: window functions
last mod: $Id: window.h 19028 2013-12-02 23:23:39Z tterribe $
********************************************************************/