Autres/audacity
1
0
Fork 0
mirror of https://github.com/cookiengineer/audacity synced 2025-11-01 14:43:48 +01:00
Code Issues Releases Wiki Activity

Update libvorbis to 1.3.3.

Browse Source
This commit is contained in:
lllucius
2013-10-24 18:24:47 +00:00
parent 78309687be
commit 3a33e2f717
374 changed files with 119632 additions and 45432 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
lib-src/libvorbis/lib/smallft.c
View File

@@ -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 1994-2007 *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: *unnormalized* fft transform
last mod: $Id: smallft.c,v 1.7 2008-02-02 15:53:54 richardash1981 Exp $
last mod: $Id: smallft.c 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/
@@ -94,10 +94,10 @@ static void drfti1(int n, float *wa, int *ifac){
argld=(float)ld*argh;
fi=0.f;
for (ii=2;ii<ido;ii+=2){
fi+=1.f;
arg=fi*argld;
wa[i++]=cos(arg);
wa[i++]=sin(arg);
fi+=1.f;
arg=fi*argld;
wa[i++]=cos(arg);
wa[i++]=sin(arg);
}
is+=ido;
}
@@ -125,7 +125,7 @@ static void dradf2(int ido,int l1,float *cc,float *ch,float *wa1){
t1+=ido;
t2+=ido;
}
if(ido<2)return;
if(ido==2)goto L105;
@@ -167,12 +167,12 @@ static void dradf2(int ido,int l1,float *cc,float *ch,float *wa1){
}
static void dradf4(int ido,int l1,float *cc,float *ch,float *wa1,
float *wa2,float *wa3){
float *wa2,float *wa3){
static float hsqt2 = .70710678118654752f;
int i,k,t0,t1,t2,t3,t4,t5,t6;
float ci2,ci3,ci4,cr2,cr3,cr4,ti1,ti2,ti3,ti4,tr1,tr2,tr3,tr4;
t0=l1*ido;
t1=t0;
t4=t1<<1;
t2=t1+(t1<<1);
@@ -244,7 +244,7 @@ static void dradf4(int ido,int l1,float *cc,float *ch,float *wa1,
if(ido&1)return;
L105:
t2=(t1=t0+ido-1)+(t0<<1);
t3=ido<<2;
t4=ido;
@@ -278,7 +278,7 @@ static void dradfg(int ido,int ip,int l1,int idl1,float *cc,float *c1,
int nbd;
float dcp,arg,dsp,ar1h,ar2h;
int idp2,ipp2;
arg=tpi/(float)ip;
dcp=cos(arg);
dsp=sin(arg);
@@ -636,7 +636,7 @@ static void dradb2(int ido,int l1,float *cc,float *ch,float *wa1){
float ti2,tr2;
t0=l1*ido;
t1=0;
t2=0;
t3=(ido<<1)-1;
@@ -747,12 +747,12 @@ static void dradb3(int ido,int l1,float *cc,float *ch,float *wa1,
}
static void dradb4(int ido,int l1,float *cc,float *ch,float *wa1,
float *wa2,float *wa3){
float *wa2,float *wa3){
static float sqrt2=1.414213562373095f;
int i,k,t0,t1,t2,t3,t4,t5,t6,t7,t8;
float ci2,ci3,ci4,cr2,cr3,cr4,ti1,ti2,ti3,ti4,tr1,tr2,tr3,tr4;
t0=l1*ido;
t1=0;
t2=ido<<2;
t3=0;
@@ -761,7 +761,7 @@ static void dradb4(int ido,int l1,float *cc,float *ch,float *wa1,
t4=t3+t6;
t5=t1;
tr3=cc[t4-1]+cc[t4-1];
tr4=cc[t4]+cc[t4];
tr4=cc[t4]+cc[t4];
tr1=cc[t3]-cc[(t4+=t6)-1];
tr2=cc[t3]+cc[t4-1];
ch[t5]=tr2+tr3;
@@ -856,7 +856,7 @@ static void dradbg(int ido,int ip,int l1,int idl1,float *cc,float *c1,
ipp2=ip;
ipph=(ip+1)>>1;
if(ido<l1)goto L103;
t1=0;
t2=0;
for(k=0;k<l1;k++){