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libvorbis-1.3.7/examples/ 0000755 0001750 0001750 00000000000 13700020072 012323 5 0000000 0000000 libvorbis-1.3.7/examples/seeking_example.c 0000644 0001750 0001750 00000017567 13677655474 015630 0000000 0000000 /********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: illustrate seeking, and test it too
********************************************************************/
#include
#include
#include "vorbis/codec.h"
#include "vorbis/vorbisfile.h"
#ifdef _WIN32 /* We need the following two to set stdin/stdout to binary */
# include
# include
#endif
void _verify(OggVorbis_File *ov,
ogg_int64_t val,ogg_int64_t pcmval,double timeval,
ogg_int64_t pcmlength,
char *bigassbuffer){
off_t i;
int j;
long bread;
char buffer[4096];
int dummy;
ogg_int64_t pos;
int hs = ov_halfrate_p(ov);
/* verify the raw position, the pcm position and position decode */
if(val!=-1 && ov_raw_tell(ov)pcmval){
fprintf(stderr,"pcm position out of tolerance: requested %ld, got %ld\n",
(long)pcmval,(long)ov_pcm_tell(ov));
exit(1);
}
if(timeval!=-1 && ov_time_tell(ov)>timeval){
fprintf(stderr,"time position out of tolerance: requested %f, got %f\n",
timeval,ov_time_tell(ov));
exit(1);
}
pos=ov_pcm_tell(ov);
if(pos<0 || pos>pcmlength){
fprintf(stderr,"pcm position out of bounds: got %ld\n",(long)pos);
exit(1);
}
bread=ov_read(ov,buffer,4096,1,1,1,&dummy);
for(j=0;j>hs)*2)]){
fprintf(stderr,"data after seek doesn't match declared pcm position %ld\n",(long)pos);
for(i=0;i<(pcmlength>>hs)*2-bread;i++){
for(j=0;j>hs)>=0 && (j+((pos*2)>>hs))<(pcmlength>>hs)*2)
fprintf(f,"%d %d\n",j,(int)bigassbuffer[j+((pos*2)>>hs)]);
fclose(f);
}
exit(1);
}
}
}
int main(){
OggVorbis_File ov;
int i,ret;
ogg_int64_t pcmlength;
double timelength;
char *bigassbuffer;
int dummy;
int hs=0;
#ifdef _WIN32 /* We need to set stdin/stdout to binary mode. Damn windows. */
_setmode( _fileno( stdin ), _O_BINARY );
#endif
/* open the file/pipe on stdin */
if(ov_open_callbacks(stdin,&ov,NULL,-1,OV_CALLBACKS_NOCLOSE)<0){
fprintf(stderr,"Could not open input as an OggVorbis file.\n\n");
exit(1);
}
#if 0 /*enable this code to test seeking with halfrate decode */
if(ov_halfrate(&ov,1)){
fprintf(stderr,"Sorry; unable to set half-rate decode.\n\n");
exit(1);
}else
hs=1;
#endif
if(ov_seekable(&ov)){
/* to simplify our own lives, we want to assume the whole file is
stereo. Verify this to avoid potentially mystifying users
(pissing them off is OK, just don't confuse them) */
for(i=0;ichannels!=2){
fprintf(stderr,"Sorry; right now seeking_test can only use Vorbis files\n"
"that are entirely stereo.\n\n");
exit(1);
}
}
/* because we want to do sample-level verification that the seek
does what it claimed, decode the entire file into memory */
pcmlength=ov_pcm_total(&ov,-1);
timelength=ov_time_total(&ov,-1);
bigassbuffer=malloc((pcmlength>>hs)*2); /* w00t */
i=0;
while(i<(pcmlength>>hs)*2){
int ret=ov_read(&ov,bigassbuffer+i,((pcmlength>>hs)*2)-i,1,1,1,&dummy);
if(ret<0){
fprintf(stderr,"Error reading file.\n");
exit(1);
}
if(ret){
i+=ret;
}else{
pcmlength=(i/2)<>hs)*2-i));
}
{
ogg_int64_t length=ov.end;
fprintf(stderr,"\rtesting raw seeking to random places in %ld bytes....\n",
(long)length);
for(i=0;i<1000;i++){
ogg_int64_t val=(double)rand()/RAND_MAX*length;
fprintf(stderr,"\r\t%d [raw position %ld]... ",i,(long)val);
ret=ov_raw_seek(&ov,val);
if(ret<0){
fprintf(stderr,"seek failed: %d\n",ret);
exit(1);
}
_verify(&ov,val,-1,-1.,pcmlength,bigassbuffer);
}
}
fprintf(stderr,"\r");
{
fprintf(stderr,"testing pcm page seeking to random places in %ld samples....\n",
(long)pcmlength);
for(i=0;i<1000;i++){
ogg_int64_t val= i==0?(ogg_int64_t)0:(double)rand()/RAND_MAX*pcmlength;
fprintf(stderr,"\r\t%d [pcm position %ld]... ",i,(long)val);
ret=ov_pcm_seek_page(&ov,val);
if(ret<0){
fprintf(stderr,"seek failed: %d\n",ret);
exit(1);
}
_verify(&ov,-1,val,-1.,pcmlength,bigassbuffer);
}
}
fprintf(stderr,"\r");
{
fprintf(stderr,"testing pcm exact seeking to random places in %f seconds....\n",
timelength);
for(i=0;i<1000;i++){
ogg_int64_t val= i==0?(ogg_int64_t)0:(double)rand()/RAND_MAX*pcmlength;
fprintf(stderr,"\r\t%d [pcm position %ld]... ",i,(long)val);
ret=ov_pcm_seek(&ov,val);
if(ret<0){
fprintf(stderr,"seek failed: %d\n",ret);
exit(1);
}
if(ov_pcm_tell(&ov)!=((val>>hs)<val+1){
fprintf(stderr,"Declared position didn't perfectly match request: %f != %f\n",
val,ov_time_tell(&ov));
exit(1);
}
_verify(&ov,-1,-1,val,pcmlength,bigassbuffer);
}
}
fprintf(stderr,"\r \nOK.\n\n");
}else{
fprintf(stderr,"Standard input was not seekable.\n");
}
ov_clear(&ov);
return 0;
}
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# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:
libvorbis-1.3.7/examples/encoder_example.c 0000644 0001750 0001750 00000021131 13677655474 015600 0000000 0000000 /********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: simple example encoder
********************************************************************/
/* takes a stereo 16bit 44.1kHz WAV file from stdin and encodes it into
a Vorbis bitstream */
/* Note that this is POSIX, not ANSI, code */
#include
#include
#include
#include
#include
#include
#ifdef _WIN32 /* We need the following two to set stdin/stdout to binary */
#include
#include
#endif
#if defined(__MACOS__) && defined(__MWERKS__)
#include /* CodeWarrior's Mac "command-line" support */
#endif
#define READ 1024
signed char readbuffer[READ*4+44]; /* out of the data segment, not the stack */
int main(){
ogg_stream_state os; /* take physical pages, weld into a logical
stream of packets */
ogg_page og; /* one Ogg bitstream page. Vorbis packets are inside */
ogg_packet op; /* one raw packet of data for decode */
vorbis_info vi; /* struct that stores all the static vorbis bitstream
settings */
vorbis_comment vc; /* struct that stores all the user comments */
vorbis_dsp_state vd; /* central working state for the packet->PCM decoder */
vorbis_block vb; /* local working space for packet->PCM decode */
int eos=0,ret;
int i, founddata;
#if defined(macintosh) && defined(__MWERKS__)
int argc = 0;
char **argv = NULL;
argc = ccommand(&argv); /* get a "command line" from the Mac user */
/* this also lets the user set stdin and stdout */
#endif
/* we cheat on the WAV header; we just bypass 44 bytes (simplest WAV
header is 44 bytes) and assume that the data is 44.1khz, stereo, 16 bit
little endian pcm samples. This is just an example, after all. */
#ifdef _WIN32 /* We need to set stdin/stdout to binary mode. Damn windows. */
/* if we were reading/writing a file, it would also need to in
binary mode, eg, fopen("file.wav","wb"); */
/* Beware the evil ifdef. We avoid these where we can, but this one we
cannot. Don't add any more, you'll probably go to hell if you do. */
_setmode( _fileno( stdin ), _O_BINARY );
_setmode( _fileno( stdout ), _O_BINARY );
#endif
/* we cheat on the WAV header; we just bypass the header and never
verify that it matches 16bit/stereo/44.1kHz. This is just an
example, after all. */
readbuffer[0] = '\0';
for (i=0, founddata=0; i<30 && ! feof(stdin) && ! ferror(stdin); i++)
{
fread(readbuffer,1,2,stdin);
if ( ! strncmp((char*)readbuffer, "da", 2) ){
founddata = 1;
fread(readbuffer,1,6,stdin);
break;
}
}
/********** Encode setup ************/
vorbis_info_init(&vi);
/* choose an encoding mode. A few possibilities commented out, one
actually used: */
/*********************************************************************
Encoding using a VBR quality mode. The usable range is -.1
(lowest quality, smallest file) to 1. (highest quality, largest file).
Example quality mode .4: 44kHz stereo coupled, roughly 128kbps VBR
ret = vorbis_encode_init_vbr(&vi,2,44100,.4);
---------------------------------------------------------------------
Encoding using an average bitrate mode (ABR).
example: 44kHz stereo coupled, average 128kbps VBR
ret = vorbis_encode_init(&vi,2,44100,-1,128000,-1);
---------------------------------------------------------------------
Encode using a quality mode, but select that quality mode by asking for
an approximate bitrate. This is not ABR, it is true VBR, but selected
using the bitrate interface, and then turning bitrate management off:
ret = ( vorbis_encode_setup_managed(&vi,2,44100,-1,128000,-1) ||
vorbis_encode_ctl(&vi,OV_ECTL_RATEMANAGE2_SET,NULL) ||
vorbis_encode_setup_init(&vi));
*********************************************************************/
ret=vorbis_encode_init_vbr(&vi,2,44100,0.1);
/* do not continue if setup failed; this can happen if we ask for a
mode that libVorbis does not support (eg, too low a bitrate, etc,
will return 'OV_EIMPL') */
if(ret)exit(1);
/* add a comment */
vorbis_comment_init(&vc);
vorbis_comment_add_tag(&vc,"ENCODER","encoder_example.c");
/* set up the analysis state and auxiliary encoding storage */
vorbis_analysis_init(&vd,&vi);
vorbis_block_init(&vd,&vb);
/* set up our packet->stream encoder */
/* pick a random serial number; that way we can more likely build
chained streams just by concatenation */
srand(time(NULL));
ogg_stream_init(&os,rand());
/* Vorbis streams begin with three headers; the initial header (with
most of the codec setup parameters) which is mandated by the Ogg
bitstream spec. The second header holds any comment fields. The
third header holds the bitstream codebook. We merely need to
make the headers, then pass them to libvorbis one at a time;
libvorbis handles the additional Ogg bitstream constraints */
{
ogg_packet header;
ogg_packet header_comm;
ogg_packet header_code;
vorbis_analysis_headerout(&vd,&vc,&header,&header_comm,&header_code);
ogg_stream_packetin(&os,&header); /* automatically placed in its own
page */
ogg_stream_packetin(&os,&header_comm);
ogg_stream_packetin(&os,&header_code);
/* This ensures the actual
* audio data will start on a new page, as per spec
*/
while(!eos){
int result=ogg_stream_flush(&os,&og);
if(result==0)break;
fwrite(og.header,1,og.header_len,stdout);
fwrite(og.body,1,og.body_len,stdout);
}
}
while(!eos){
long i;
long bytes=fread(readbuffer,1,READ*4,stdin); /* stereo hardwired here */
if(bytes==0){
/* end of file. this can be done implicitly in the mainline,
but it's easier to see here in non-clever fashion.
Tell the library we're at end of stream so that it can handle
the last frame and mark end of stream in the output properly */
vorbis_analysis_wrote(&vd,0);
}else{
/* data to encode */
/* expose the buffer to submit data */
float **buffer=vorbis_analysis_buffer(&vd,READ);
/* uninterleave samples */
for(i=0;i
#include
#include
#include
#ifdef _WIN32 /* We need the following two to set stdin/stdout to binary */
#include
#include
#endif
#if defined(__MACOS__) && defined(__MWERKS__)
#include /* CodeWarrior's Mac "command-line" support */
#endif
ogg_int16_t convbuffer[4096]; /* take 8k out of the data segment, not the stack */
int convsize=4096;
extern void _VDBG_dump(void);
int main(){
ogg_sync_state oy; /* sync and verify incoming physical bitstream */
ogg_stream_state os; /* take physical pages, weld into a logical
stream of packets */
ogg_page og; /* one Ogg bitstream page. Vorbis packets are inside */
ogg_packet op; /* one raw packet of data for decode */
vorbis_info vi; /* struct that stores all the static vorbis bitstream
settings */
vorbis_comment vc; /* struct that stores all the bitstream user comments */
vorbis_dsp_state vd; /* central working state for the packet->PCM decoder */
vorbis_block vb; /* local working space for packet->PCM decode */
char *buffer;
int bytes;
#ifdef _WIN32 /* We need to set stdin/stdout to binary mode. Damn windows. */
/* Beware the evil ifdef. We avoid these where we can, but this one we
cannot. Don't add any more, you'll probably go to hell if you do. */
_setmode( _fileno( stdin ), _O_BINARY );
_setmode( _fileno( stdout ), _O_BINARY );
#endif
#if defined(macintosh) && defined(__MWERKS__)
{
int argc;
char **argv;
argc=ccommand(&argv); /* get a "command line" from the Mac user */
/* this also lets the user set stdin and stdout */
}
#endif
/********** Decode setup ************/
ogg_sync_init(&oy); /* Now we can read pages */
while(1){ /* we repeat if the bitstream is chained */
int eos=0;
int i;
/* grab some data at the head of the stream. We want the first page
(which is guaranteed to be small and only contain the Vorbis
stream initial header) We need the first page to get the stream
serialno. */
/* submit a 4k block to libvorbis' Ogg layer */
buffer=ogg_sync_buffer(&oy,4096);
bytes=fread(buffer,1,4096,stdin);
ogg_sync_wrote(&oy,bytes);
/* Get the first page. */
if(ogg_sync_pageout(&oy,&og)!=1){
/* have we simply run out of data? If so, we're done. */
if(bytes<4096)break;
/* error case. Must not be Vorbis data */
fprintf(stderr,"Input does not appear to be an Ogg bitstream.\n");
exit(1);
}
/* Get the serial number and set up the rest of decode. */
/* serialno first; use it to set up a logical stream */
ogg_stream_init(&os,ogg_page_serialno(&og));
/* extract the initial header from the first page and verify that the
Ogg bitstream is in fact Vorbis data */
/* I handle the initial header first instead of just having the code
read all three Vorbis headers at once because reading the initial
header is an easy way to identify a Vorbis bitstream and it's
useful to see that functionality seperated out. */
vorbis_info_init(&vi);
vorbis_comment_init(&vc);
if(ogg_stream_pagein(&os,&og)<0){
/* error; stream version mismatch perhaps */
fprintf(stderr,"Error reading first page of Ogg bitstream data.\n");
exit(1);
}
if(ogg_stream_packetout(&os,&op)!=1){
/* no page? must not be vorbis */
fprintf(stderr,"Error reading initial header packet.\n");
exit(1);
}
if(vorbis_synthesis_headerin(&vi,&vc,&op)<0){
/* error case; not a vorbis header */
fprintf(stderr,"This Ogg bitstream does not contain Vorbis "
"audio data.\n");
exit(1);
}
/* At this point, we're sure we're Vorbis. We've set up the logical
(Ogg) bitstream decoder. Get the comment and codebook headers and
set up the Vorbis decoder */
/* The next two packets in order are the comment and codebook headers.
They're likely large and may span multiple pages. Thus we read
and submit data until we get our two packets, watching that no
pages are missing. If a page is missing, error out; losing a
header page is the only place where missing data is fatal. */
i=0;
while(i<2){
while(i<2){
int result=ogg_sync_pageout(&oy,&og);
if(result==0)break; /* Need more data */
/* Don't complain about missing or corrupt data yet. We'll
catch it at the packet output phase */
if(result==1){
ogg_stream_pagein(&os,&og); /* we can ignore any errors here
as they'll also become apparent
at packetout */
while(i<2){
result=ogg_stream_packetout(&os,&op);
if(result==0)break;
if(result<0){
/* Uh oh; data at some point was corrupted or missing!
We can't tolerate that in a header. Die. */
fprintf(stderr,"Corrupt secondary header. Exiting.\n");
exit(1);
}
result=vorbis_synthesis_headerin(&vi,&vc,&op);
if(result<0){
fprintf(stderr,"Corrupt secondary header. Exiting.\n");
exit(1);
}
i++;
}
}
}
/* no harm in not checking before adding more */
buffer=ogg_sync_buffer(&oy,4096);
bytes=fread(buffer,1,4096,stdin);
if(bytes==0 && i<2){
fprintf(stderr,"End of file before finding all Vorbis headers!\n");
exit(1);
}
ogg_sync_wrote(&oy,bytes);
}
/* Throw the comments plus a few lines about the bitstream we're
decoding */
{
char **ptr=vc.user_comments;
while(*ptr){
fprintf(stderr,"%s\n",*ptr);
++ptr;
}
fprintf(stderr,"\nBitstream is %d channel, %ldHz\n",vi.channels,vi.rate);
fprintf(stderr,"Encoded by: %s\n\n",vc.vendor);
}
convsize=4096/vi.channels;
/* OK, got and parsed all three headers. Initialize the Vorbis
packet->PCM decoder. */
if(vorbis_synthesis_init(&vd,&vi)==0){ /* central decode state */
vorbis_block_init(&vd,&vb); /* local state for most of the decode
so multiple block decodes can
proceed in parallel. We could init
multiple vorbis_block structures
for vd here */
/* The rest is just a straight decode loop until end of stream */
while(!eos){
while(!eos){
int result=ogg_sync_pageout(&oy,&og);
if(result==0)break; /* need more data */
if(result<0){ /* missing or corrupt data at this page position */
fprintf(stderr,"Corrupt or missing data in bitstream; "
"continuing...\n");
}else{
ogg_stream_pagein(&os,&og); /* can safely ignore errors at
this point */
while(1){
result=ogg_stream_packetout(&os,&op);
if(result==0)break; /* need more data */
if(result<0){ /* missing or corrupt data at this page position */
/* no reason to complain; already complained above */
}else{
/* we have a packet. Decode it */
float **pcm;
int samples;
if(vorbis_synthesis(&vb,&op)==0) /* test for success! */
vorbis_synthesis_blockin(&vd,&vb);
/*
**pcm is a multichannel float vector. In stereo, for
example, pcm[0] is left, and pcm[1] is right. samples is
the size of each channel. Convert the float values
(-1.<=range<=1.) to whatever PCM format and write it out */
while((samples=vorbis_synthesis_pcmout(&vd,&pcm))>0){
int j;
int clipflag=0;
int bout=(samples32767){
val=32767;
clipflag=1;
}
if(val<-32768){
val=-32768;
clipflag=1;
}
*ptr=val;
ptr+=vi.channels;
}
}
if(clipflag)
fprintf(stderr,"Clipping in frame %ld\n",(long)(vd.sequence));
fwrite(convbuffer,2*vi.channels,bout,stdout);
vorbis_synthesis_read(&vd,bout); /* tell libvorbis how
many samples we
actually consumed */
}
}
}
if(ogg_page_eos(&og))eos=1;
}
}
if(!eos){
buffer=ogg_sync_buffer(&oy,4096);
bytes=fread(buffer,1,4096,stdin);
ogg_sync_wrote(&oy,bytes);
if(bytes==0)eos=1;
}
}
/* ogg_page and ogg_packet structs always point to storage in
libvorbis. They're never freed or manipulated directly */
vorbis_block_clear(&vb);
vorbis_dsp_clear(&vd);
}else{
fprintf(stderr,"Error: Corrupt header during playback initialization.\n");
}
/* clean up this logical bitstream; before exit we see if we're
followed by another [chained] */
ogg_stream_clear(&os);
vorbis_comment_clear(&vc);
vorbis_info_clear(&vi); /* must be called last */
}
/* OK, clean up the framer */
ogg_sync_clear(&oy);
fprintf(stderr,"Done.\n");
return(0);
}
libvorbis-1.3.7/examples/vorbisfile_example.c 0000644 0001750 0001750 00000005776 13677655474 016346 0000000 0000000 /********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: simple example decoder using vorbisfile
********************************************************************/
/* Takes a vorbis bitstream from stdin and writes raw stereo PCM to
stdout using vorbisfile. Using vorbisfile is much simpler than
dealing with libvorbis. */
#include
#include
#include
#include
#include
#ifdef _WIN32 /* We need the following two to set stdin/stdout to binary */
#include
#include
#endif
char pcmout[4096]; /* take 4k out of the data segment, not the stack */
int main(){
OggVorbis_File vf;
int eof=0;
int current_section;
#ifdef _WIN32 /* We need to set stdin/stdout to binary mode. Damn windows. */
/* Beware the evil ifdef. We avoid these where we can, but this one we
cannot. Don't add any more, you'll probably go to hell if you do. */
_setmode( _fileno( stdin ), _O_BINARY );
_setmode( _fileno( stdout ), _O_BINARY );
#endif
if(ov_open_callbacks(stdin, &vf, NULL, 0, OV_CALLBACKS_NOCLOSE) < 0) {
fprintf(stderr,"Input does not appear to be an Ogg bitstream.\n");
exit(1);
}
/* Throw the comments plus a few lines about the bitstream we're
decoding */
{
char **ptr=ov_comment(&vf,-1)->user_comments;
vorbis_info *vi=ov_info(&vf,-1);
while(*ptr){
fprintf(stderr,"%s\n",*ptr);
++ptr;
}
fprintf(stderr,"\nBitstream is %d channel, %ldHz\n",vi->channels,vi->rate);
fprintf(stderr,"\nDecoded length: %ld samples\n",
(long)ov_pcm_total(&vf,-1));
fprintf(stderr,"Encoded by: %s\n\n",ov_comment(&vf,-1)->vendor);
}
while(!eof){
long ret=ov_read(&vf,pcmout,sizeof(pcmout),0,2,1,¤t_section);
if (ret == 0) {
/* EOF */
eof=1;
} else if (ret < 0) {
if(ret==OV_EBADLINK){
fprintf(stderr,"Corrupt bitstream section! Exiting.\n");
exit(1);
}
/* some other error in the stream. Not a problem, just reporting it in
case we (the app) cares. In this case, we don't. */
} else {
/* we don't bother dealing with sample rate changes, etc, but
you'll have to*/
fwrite(pcmout,1,ret,stdout);
}
}
/* cleanup */
ov_clear(&vf);
fprintf(stderr,"Done.\n");
return(0);
}
libvorbis-1.3.7/examples/frameview.pl 0000755 0001750 0001750 00000050212 13636150013 014577 0000000 0000000 #!/usr/bin/perl -w
use strict;
use Tk;
use Tk::Xrm;
use Tk qw(exit);
my $version="Analyzer 20020429";
my %bases;
my $first_file=undef;
my $last_file=undef;
my $fileno=0;
my @panel_labels;
my @panel_ones;
my @panel_twos;
my @panel_onevars;
my @panel_twovars;
my @panel_keys;
my $panel_count;
# pop the toplevels
my $toplevel=new MainWindow(-class=>'AnalyzerGraph');
my $Xname=$toplevel->Class;
$toplevel->optionAdd("$Xname.geometry", "800x600",20);
my $geometry=$toplevel->optionGet('geometry','');
$geometry=~/^(\d+)x(\d+)/;
$toplevel->configure(-width=>$1);
$toplevel->configure(-height=>$2);
$toplevel->optionAdd("$Xname.background", "#4fc627",20);
$toplevel->optionAdd("$Xname*highlightBackground", "#80c0d3",20);
$toplevel->optionAdd("$Xname.Panel.background", "#4fc627",20);
$toplevel->optionAdd("$Xname.Panel.foreground", "#d0d0d0",20);
$toplevel->optionAdd("$Xname.Panel.font",
'-*-helvetica-bold-r-*-*-18-*-*-*-*-*-*-*',20);
$toplevel->optionAdd("$Xname*Statuslabel.font",
'-*-helvetica-bold-r-*-*-18-*-*-*-*-*-*-*',20);
$toplevel->optionAdd("$Xname*Statuslabel.foreground", "#606060");
$toplevel->optionAdd("$Xname*Status.font",
'-*-helvetica-bold-r-*-*-18-*-*-*-*-*-*-*',20);
$toplevel->optionAdd("$Xname*AlertDetail.font",
'-*-helvetica-medium-r-*-*-10-*-*-*-*-*-*-*',20);
$toplevel->optionAdd("$Xname*background", "#d0d0d0",20);
$toplevel->optionAdd("$Xname*foreground", '#000000',20);
$toplevel->optionAdd("$Xname*Button*background", "#f0d0b0",20);
$toplevel->optionAdd("$Xname*Button*foreground", '#000000',20);
$toplevel->optionAdd("$Xname*Button*borderWidth", '2',20);
$toplevel->optionAdd("$Xname*Button*relief", 'groove',20);
$toplevel->optionAdd("$Xname*Button*padY", 1,20);
#$toplevel->optionAdd("$Xname*Scale*background", "#f0d0b0",20);
$toplevel->optionAdd("$Xname*Scale*foreground", '#000000',20);
$toplevel->optionAdd("$Xname*Scale*borderWidth", '1',20);
#$toplevel->optionAdd("$Xname*Scale*relief", 'groove',20);
$toplevel->optionAdd("$Xname*Scale*padY", 1,20);
$toplevel->optionAdd("$Xname*Checkbutton*background", "#f0d0b0",20);
$toplevel->optionAdd("$Xname*Checkbutton*foreground", '#000000',20);
$toplevel->optionAdd("$Xname*Checkbutton*borderWidth", '2',20);
$toplevel->optionAdd("$Xname*Checkbutton*relief", 'groove',20);
$toplevel->optionAdd("$Xname*activeBackground", "#ffffff",20);
$toplevel->optionAdd("$Xname*activeForeground", '#0000a0',20);
$toplevel->optionAdd("$Xname*borderWidth", 0,20);
$toplevel->optionAdd("$Xname*relief", 'flat',20);
$toplevel->optionAdd("$Xname*activeBorderWidth", 1,20);
$toplevel->optionAdd("$Xname*highlightThickness", 0,20);
$toplevel->optionAdd("$Xname*padX", 2,20);
$toplevel->optionAdd("$Xname*padY", 2,20);
$toplevel->optionAdd("$Xname*font",
'-*-helvetica-bold-r-*-*-12-*-*-*-*-*-*-*',20);
$toplevel->optionAdd("$Xname*Entry.font",
'-*-helvetica-medium-r-*-*-12-*-*-*-*-*-*-*',20);
$toplevel->optionAdd("$Xname*Exit.font",
'-*-helvetica-bold-r-*-*-10-*-*-*-*-*-*-*',20);
$toplevel->optionAdd("$Xname*Exit.relief", 'groove',20);
$toplevel->optionAdd("$Xname*Exit.padX", 1,20);
$toplevel->optionAdd("$Xname*Exit.padY", 1,20);
$toplevel->optionAdd("$Xname*Exit.borderWidth", 2,20);
$toplevel->optionAdd("$Xname*Exit*background", "#a0a0a0",20);
$toplevel->optionAdd("$Xname*Exit*disabledForeground", "#ffffff",20);
#$toplevel->optionAdd("$Xname*Canvas.background", "#c0c0c0",20);
$toplevel->optionAdd("$Xname*Entry.background", "#ffffff",20);
$toplevel->optionAdd("$Xname*Entry.disabledForeground", "#c0c0c0",20);
$toplevel->optionAdd("$Xname*Entry.relief", "sunken",20);
$toplevel->optionAdd("$Xname*Entry.borderWidth", 1,20);
$toplevel->optionAdd("$Xname*Field.background", "#ffffff",20);
$toplevel->optionAdd("$Xname*Field.disabledForeground", "#c0c0c0",20);
$toplevel->optionAdd("$Xname*Field.relief", "flat",20);
$toplevel->optionAdd("$Xname*Field.borderWidth", 1,20);
$toplevel->optionAdd("$Xname*Label.disabledForeground", "#c0c0c0",20);
$toplevel->optionAdd("$Xname*Label.borderWidth", 1,20);
$toplevel->configure(-background=>$toplevel->optionGet("background",""));
#$toplevel->resizable(FALSE,FALSE);
my $panel=new MainWindow(-class=>'AnalyzerPanel');
my $X2name=$panel->Class;
$panel->optionAdd("$X2name.background", "#353535",20);
$panel->optionAdd("$X2name*highlightBackground", "#80c0d3",20);
$panel->optionAdd("$X2name.Panel.background", "#353535",20);
$panel->optionAdd("$X2name.Panel.foreground", "#4fc627",20);
$panel->optionAdd("$X2name.Panel.font",
'-*-helvetica-bold-o-*-*-18-*-*-*-*-*-*-*',20);
$panel->optionAdd("$X2name*Statuslabel.font",
'-*-helvetica-bold-r-*-*-18-*-*-*-*-*-*-*',20);
$panel->optionAdd("$X2name*Statuslabel.foreground", "#4fc627",20);
$panel->optionAdd("$X2name*Status.font",
'-*-helvetica-bold-r-*-*-18-*-*-*-*-*-*-*',20);
$panel->optionAdd("$X2name*AlertDetail.font",
'-*-helvetica-medium-r-*-*-10-*-*-*-*-*-*-*',20);
$panel->optionAdd("$X2name*background", "#d0d0d0",20);
$panel->optionAdd("$X2name*foreground", '#000000',20);
$panel->optionAdd("$X2name*Button*background", "#f0d0b0",20);
$panel->optionAdd("$X2name*Button*foreground", '#000000',20);
$panel->optionAdd("$X2name*Button*borderWidth", '2',20);
$panel->optionAdd("$X2name*Button*relief", 'groove',20);
$panel->optionAdd("$X2name*Button*padY", 1,20);
$panel->optionAdd("$X2name*Checkbutton*background", "#f0d0b0",20);
$panel->optionAdd("$X2name*Checkbutton*foreground", '#000000',20);
$panel->optionAdd("$X2name*Checkbutton*borderWidth", '2',20);
#$panel->optionAdd("$X2name*Checkbutton*padX", '0',20);
#$panel->optionAdd("$X2name*Checkbutton*padY", '0',20);
#$panel->optionAdd("$X2name*Checkbutton*relief", 'groove',20);
$panel->optionAdd("$X2name*activeBackground", "#ffffff",20);
$panel->optionAdd("$X2name*activeForeground", '#0000a0',20);
$panel->optionAdd("$X2name*borderWidth", 0,20);
$panel->optionAdd("$X2name*relief", 'flat',20);
$panel->optionAdd("$X2name*activeBorderWidth", 1,20);
$panel->optionAdd("$X2name*highlightThickness", 0,20);
$panel->optionAdd("$X2name*padX", 2,20);
$panel->optionAdd("$X2name*padY", 2,20);
$panel->optionAdd("$X2name*font",
'-*-helvetica-bold-r-*-*-12-*-*-*-*-*-*-*',20);
$panel->optionAdd("$X2name*Entry.font",
'-*-helvetica-medium-r-*-*-12-*-*-*-*-*-*-*',20);
$panel->optionAdd("$X2name*Exit.font",
'-*-helvetica-bold-r-*-*-10-*-*-*-*-*-*-*',20);
$panel->optionAdd("$X2name*Exit.relief", 'groove',20);
$panel->optionAdd("$X2name*Exit.padX", 1,20);
$panel->optionAdd("$X2name*Exit.padY", 1,20);
$panel->optionAdd("$X2name*Exit.borderWidth", 2,20);
$panel->optionAdd("$X2name*Exit*background", "#a0a0a0",20);
$panel->optionAdd("$X2name*Exit*disabledForeground", "#ffffff",20);
$panel->optionAdd("$X2name*Entry.background", "#ffffff",20);
$panel->optionAdd("$X2name*Entry.disabledForeground", "#c0c0c0",20);
$panel->optionAdd("$X2name*Entry.relief", "sunken",20);
$panel->optionAdd("$X2name*Entry.borderWidth", 1,20);
$panel->optionAdd("$X2name*Field.background", "#ffffff",20);
$panel->optionAdd("$X2name*Field.disabledForeground", "#c0c0c0",20);
$panel->optionAdd("$X2name*Field.relief", "flat",20);
$panel->optionAdd("$X2name*Field.borderWidth", 1,20);
$panel->optionAdd("$X2name*Label.disabledForeground", "#c0c0c0",20);
$panel->optionAdd("$X2name*Label.borderWidth", 1,20);
$panel->configure(-background=>$panel->optionGet("background",""));
#$panel->resizable("FALSE","FALSE");
my $panel_shell=$panel->Label(Name=>"shell",-borderwidth=>1,-relief=>'raised')->
place(-x=>10,-y=>36,-relwidth=>1.0,-relheight=>1.0,
-width=>-20,-height=>-46,-anchor=>'nw');
my $panel_quit=$panel_shell->Button(-class=>"Exit",-text=>"quit",-command=>[sub{Shutdown()}])->
place(-x=>-1,-y=>-1,-relx=>1.0,-rely=>1.0,-anchor=>'se');
$panel->Label(Name=>"logo text",-class=>"Panel",-text=>$version)->
place(-x=>5,-y=>5,-anchor=>'nw');
my $graph_shell=$toplevel->Label(Name=>"shell",-borderwidth=>1,-relief=>'raised')->
place(-x=>10,-y=>36,-relwidth=>1.0,-relheight=>1.0,
-width=>-20,-height=>-46,-anchor=>'nw');
my $graph_status=$toplevel->Label(Name=>"logo text",-class=>"Panel",-text=>"Starting up")->
place(-x=>5,-y=>5,-anchor=>'nw');
my $panely=5;
my $panel_rescan=$panel_shell->Button(-text=>"rescan",-command=>[sub{scan_directory()}])->
place(-x=>-5,-relx=>1.,-y=>$panely,-anchor=>'ne');
$panely+=$panel_rescan->reqheight()+6;
my$temp=$graph_shell->Button(-text=>"<<",
-command=>[sub{$fileno-=10;$fileno=$first_file if($fileno<$first_file);
load_graph();}])->
place(-x=>5,-y=>-5,-rely=>1.,-relwidth=>.2,-width=>-5,-anchor=>'sw');
$graph_shell->Button(-text=>">>",
-command=>[sub{$fileno+=10;$fileno=$last_file if($fileno>$last_file);
load_graph();}])->
place(-x=>-5,-y=>-5,-relwidth=>.2,-rely=>1.,-width=>-5,-relx=>1.,-anchor=>'se');
$graph_shell->Button(-text=>"<",
-command=>[sub{$fileno-=1;$fileno=$first_file if($fileno<$first_file);
load_graph();}])->
place(-x=>5,-y=>-5,-relwidth=>.3,-width=>-7,-rely=>1.,-relx=>.2,-anchor=>'sw');
$graph_shell->Button(-text=>">",
-command=>[sub{$fileno+=1;$fileno=$last_file if($fileno>$last_file);
load_graph();}])->
place(-x=>-5,-y=>-5,-relwidth=>.3,-width=>-7,-rely=>1.,-relx=>.8,-anchor=>'se');
my$graphy=-10-$temp->reqheight();
my$graph_slider=$temp=$graph_shell->Scale(-bigincrement=>1,
-resolution=>1,
-showvalue=>'TRUE',-variable=>\$fileno,-orient=>'horizontal')->
place(-x=>5,-y=>$graphy,-relwidth=>1.,-rely=>1.,-width=>-10,-anchor=>'sw');
$graphy-=$temp->reqheight()+5;
my$onecrop;
my$twocrop;
my$oneresize=$temp=$graph_shell->Checkbutton(-text=>"rescale",-variable=>\$onecrop,
-command=>[sub{draw_graph();}])->
place(-x=>5,-y=>5,-anchor=>'nw');
my$one=$graph_shell->Canvas()->
place(-relwidth=>1.,-width=>-10,-relheight=>.5,-height=>($graphy/2)-5-$temp->reqheight(),
-x=>5,-y=>5+$temp->reqheight,-anchor=>'nw');
my$tworesize=$temp=$graph_shell->Checkbutton(-text=>"rescale",-variable=>\$twocrop,
-command=>[sub{draw_graph();}])->
place(-rely=>1.,-y=>5,-anchor=>'nw',-in=>$one);
my$two=$graph_shell->Canvas()->
place(-relwidth=>1.,-relheight=>1.,-rely=>1.,-y=>5+$temp->reqheight(),-anchor=>'nw',-in=>$one);
scan_directory();
my%onestate;
my%twostate;
my @data;
$onestate{"canvas"}=$one;
$onestate{"vars"}=\@panel_onevars;
$twostate{"canvas"}=$two;
$twostate{"vars"}=\@panel_twovars;
$graph_slider->configure(-command=>[sub{load_graph()}]);
load_graph();
$toplevel->bind('MainWindow','',[sub{$toplevel->update();
draw_graph()}]);
Tk::MainLoop();
sub load_graph{
scan_directory()if(!defined($panel_count));
@data=undef;
for(my$i=0;$i<$panel_count;$i++){
my$filename=$panel_keys[$i]."_$fileno.m";
if(open F, "$filename"){
$data[$i]=[()];
close F;
}
}
draw_graph();
}
sub graphhelper{
my($graph)=@_;
my$count=0;
my@colors=("#ff0000","#00df00","#0000ff","#ffff00","#ff00ff","#00ffff","#ffffff",
"#9f0000","#007f00","#00009f","#8f8f00","#8f008f","#008f8f","#000000");
my$w=$graph->{"canvas"};
my$rescale=0;
Status("Plotting $fileno");
$w->delete('foo');
$w->delete('legend');
$w->delete('lines');
# count range
for(my$i=0;$i<$panel_count;$i++){
if($graph->{"vars"}->[$i]){
if(defined($data[$i])){
if(!defined($graph->{"minx"})){
$data[$i]->[0]=~m/^\s*(-?[0-9\.]*)[ ,]+(-?[0-9\.]*)/;
$graph->{"maxx"}=$1;
$graph->{"minx"}=$1;
$graph->{"maxy"}=$2;
$graph->{"miny"}=$2;
$rescale=1;
}
for(my$j=0;$j<=$#{$data[$i]};$j++){
$data[$i]->[$j]=~m/^\s*(-?[0-9\.]*)[ ,]+(-?[0-9\.]*)/;
$rescale=1 if($1>$graph->{"maxx"});
$rescale=1 if($1<$graph->{"minx"});
$rescale=1 if($2>$graph->{"maxy"});
$rescale=1 if($2<$graph->{"miny"});
$graph->{"maxx"}=$1 if($1>$graph->{"maxx"});
$graph->{"minx"}=$1 if($1<$graph->{"minx"});
$graph->{"maxy"}=$2 if($2>$graph->{"maxy"});
$graph->{"miny"}=$2 if($2<$graph->{"miny"});
}
}
$count++;
}
}
my$width=$w->width();
my$height=$w->height();
$rescale=1 if(!defined($graph->{"width"}) ||
$width!=$graph->{"width"} ||
$height!=$graph->{"height"});
$graph->{"width"}=$width;
$graph->{"height"}=$height;
if(defined($graph->{"maxx"})){
# draw axes, labels
# look for appropriate axis scales
if($rescale){
$w->delete('ylabel');
$w->delete('xlabel');
$w->delete('axes');
my$yscale=1.;
my$xscale=1.;
my$iyscale=1.;
my$ixscale=1.;
while(($graph->{"maxx"}-$graph->{"minx"})*$xscale>15){$xscale*=.1;$ixscale*=10.;}
while(($graph->{"maxy"}-$graph->{"miny"})*$yscale>15){$yscale*=.1;$iyscale*=10.;}
while(($graph->{"maxx"}-$graph->{"minx"})*$xscale<3){$xscale*=10.;$ixscale*=.1;}
while(($graph->{"maxy"}-$graph->{"miny"})*$yscale<3){$yscale*=10.;$iyscale*=.1;}
# how tall are the x axis labels?
$w->createText(-1,-1,-anchor=>'se',-tags=>['foo'],-text=>"0123456789.");
my($x1,$y1,$x2,$y2)=$w->bbox('foo');
$w->delete('foo');
my$maxlabelheight=$y2-$y1;
my$useabley=$height-$maxlabelheight-3;
my$pixelpery=$useabley/($graph->{"maxy"}-$graph->{"miny"});
# place y axis labels at proper spacing/height
my$lasty=-$maxlabelheight/2;
my$topyval=int($graph->{"maxy"}*$yscale+1.)*$iyscale;
for(my$i=0;;$i++){
my$yval= $topyval-$i*$iyscale;
my$y= ($graph->{"maxy"}-$yval)*$pixelpery;
last if($y>$useabley);
if($y-$maxlabelheight>=$lasty){
$w->createText(0,$y,-anchor=>'e',-tags=>['ylabel'],-text=>"$yval");
$lasty=$y;
}
}
# get the max ylabel width and place them at proper x
($x1,$y1,$x2,$y2)=$w->bbox('ylabel');
my$maxylabelwidth=$x2-$x1;
$w->move('ylabel',$maxylabelwidth,0);
my$beginx=$maxylabelwidth+3;
my$useablex=$width-$beginx;
# draw basic axes
$w->createLine($beginx,0,$beginx,$useabley,$width,$useabley,
-tags=>['axes'],-width=>2);
# draw y tix
$lasty=-$maxlabelheight/2;
for(my$i=0;;$i++){
my$yval= $topyval-$i*$iyscale;
my$y= ($graph->{"maxy"}-$yval)*$pixelpery;
last if($y>$useabley);
if($yval==0){
$w->createLine($beginx,$y,$width,$y,
-tags=>['axes'],-width=>1);
}else{
if($y-$maxlabelheight>=$lasty){
$w->createLine($beginx,$y,$width,$y,
-tags=>['axes'],-width=>1,
-stipple=>'gray50');
$lasty=$y;
}
}
}
# place x axis labels at proper spacing
my$topxval=int($graph->{"maxx"}*$xscale+1.)*$ixscale;
my$pixelperx=$useablex/($graph->{"maxx"}-$graph->{"minx"});
for(my$i=0;;$i++){
my$xval= $topxval-$i*$ixscale;
my$x= $width-($graph->{"maxx"}-$xval)*$pixelperx;
last if($x<$beginx);
# bounding boxen are hard. place temp labels.
$w->createText(-1,-1,-anchor=>'e',-tags=>['foo'],-text=>"$xval");
}
($x1,$y1,$x2,$y2)=$w->bbox('foo');
my$maxxlabelwidth=$x2-$x1;
$w->delete('foo');
my$lastx=$width;
for(my$i=0;;$i++){
my$xval= $topxval-$i*$ixscale;
my$x= $width-($graph->{"maxx"}-$xval)*$pixelperx;
last if($x-$maxxlabelwidth/2<0 || $x<$beginx);
if($xval==0 && $x<$width){
$w->createLine($x,0,$x,$useabley,-tags=>['axes'],-width=>1);
}
if($x+$maxxlabelwidth<=$lastx){
$w->createText($x,$height-1,-anchor=>'s',-tags=>['xlabel'],-text=>"$xval");
$w->createLine($x,0,$x,$useabley,-tags=>['axes'],-width=>1,-stipple=>"gray50");
$lastx=$x;
}
}
$graph->{"labelheight"}=$maxlabelheight;
$graph->{"xo"}=$beginx;
$graph->{"ppx"}=$pixelperx;
$graph->{"ppy"}=$pixelpery;
}
# plot the files
$count=0;
my$legendy=$graph->{"labelheight"}/2;
for(my$i=0;$i<$panel_count;$i++){
if($graph->{"vars"}->[$i]){
$count++; # count here for legend color selection stability
if(defined($data[$i])){
# place a legend placard;
my$color=$colors[($count-1)%($#colors+1)];
$w->createText($width,$legendy,-anchor=>'e',-tags=>['legend'],
-fill=>$color,-text=>$panel_keys[$i]);
$legendy+=$graph->{"labelheight"};
# plot the lines
my@pairs=map{if(/^\s*(-?[0-9\.]*)[ ,]+(-?[0-9\.]*)/){
(($1-$graph->{"minx"})*$graph->{"ppx"}+$graph->{"xo"},
(-$2+$graph->{"maxy"})*$graph->{"ppy"})}} (@{$data[$i]});
$w->createLine((@pairs),-fill=>$color,-tags=>['lines']);
}
}
}
}
}
sub draw_graph{
if($onecrop){
$onestate{"minx"}=undef;
$onestate{"miny"}=undef;
$onestate{"maxx"}=undef;
$onestate{"maxy"}=undef;
}
if($twocrop){
$twostate{"minx"}=undef;
$twostate{"miny"}=undef;
$twostate{"maxx"}=undef;
$twostate{"maxy"}=undef;
}
for(my$i=0;$i<$panel_count;$i++){
if($twostate{"vars"}->[$i]){
#re-place the canvases
$oneresize->place(-x=>5,-y=>5,-anchor=>'nw');
$one->place(-relwidth=>1.,-width=>-10,-relheight=>.5,
-height=>($graphy/2)-5-$oneresize->reqheight(),
-x=>5,-y=>5+$oneresize->reqheight,-anchor=>'nw');
$tworesize->place(-rely=>1.,-y=>5,-anchor=>'nw',-in=>$one);
$two->place(-relwidth=>1.,-relheight=>1.,-rely=>1.,
-y=>5+$tworesize->reqheight(),-anchor=>'nw',-in=>$one);
graphhelper(\%onestate);
graphhelper(\%twostate);
return;
}
}
$oneresize->place(-x=>5,-y=>5,-anchor=>'nw');
$one->place(-relwidth=>1.,-width=>-10,-relheight=>1.,
-height=>$graphy-5-$oneresize->reqheight(),
-x=>5,-y=>5+$oneresize->reqheight,-anchor=>'nw');
$tworesize->placeForget();
$two->placeForget();
graphhelper(\%onestate);
}
sub depopulate_panel{
my $win;
foreach $win (@panel_labels){
$win->destroy();
}
@panel_labels=();
foreach $win (@panel_ones){
$win->destroy();
}
@panel_ones=();
foreach $win (@panel_twos){
$win->destroy();
}
@panel_twos=();
@panel_keys=();
}
sub populate_panel{
my $localy=$panely;
my $key;
my $i=0;
foreach $key (sort (keys %bases)){
$panel_keys[$i]=$key;
if(!defined($panel_onevars[$i])){
$panel_onevars[$i]=0;
$panel_twovars[$i]=0;
}
my $temp=$panel_twos[$i]=$panel_shell->
Checkbutton(-variable=>\$panel_twovars[$i],-command=>['main::draw_graph'],-text=>'2')->
place(-y=>$localy,-x=>-5,-anchor=>"ne",-relx=>1.);
my $oney=$temp->reqheight();
my $onex=$temp->reqwidth()+15;
$temp=$panel_ones[$i]=$panel_shell->
Checkbutton(-variable=>\$panel_onevars[$i],-command=>['main::draw_graph'],-text=>'1')->
place(-y=>0,-x=>0,-anchor=>"ne",-in=>$temp,-bordermode=>'outside');
$oney=$temp->reqheight() if ($oney<$temp->reqheight());
$onex+=$temp->reqwidth();
$temp=$panel_labels[$i]=$panel_shell->Label(-text=>$key,-class=>'Field',-justify=>'left')->
place(-y=>$localy,-x=>5,-anchor=>"nw",-relwidth=>1.,-width=>-$onex,
-bordermode=>'outside');
$oney=$temp->reqheight() if ($oney<$temp->reqheight());
$localy+=$oney+2;
$i++;
}
$panel_count=$i;
$localy+=$panel_quit->reqheight()+50;
my $geometry=$panel->geometry();
$geometry=~/^(\d+)/;
$panel->configure(-height=>$localy);
$panel->configure(-width=>$1);
}
sub Shutdown{
Tk::exit();
}
sub Status{
my$text=shift @_;
$graph_status->configure(-text=>"$text");
$toplevel->update();
}
sub scan_directory{
%bases=();
my$count=0;
$first_file=undef;
$last_file=undef;
if(opendir(D,".")){
my$file;
while(defined($file=readdir(D))){
if($file=~m/^(\S*)_(\d+).m/){
$bases{"$1"}="0";
$first_file=$2 if(!defined($first_file) || $2<$first_file);
$last_file=$2 if(!defined($last_file) || $2>$last_file);
$count++;
Status("Reading... $count")if($count%117==0);
}
}
closedir(D);
}
Status("Done Reading: $count files");
depopulate_panel();
populate_panel();
$fileno=$first_file if($fileno<$first_file);
$fileno=$last_file if($fileno>$last_file);
$graph_slider->configure(-from=>$first_file,-to=>$last_file);
}
libvorbis-1.3.7/examples/chaining_example.c 0000644 0001750 0001750 00000005174 13677655474 015752 0000000 0000000 /********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: illustrate simple use of chained bitstream and vorbisfile.a
********************************************************************/
#include
#include
#include
#ifdef _WIN32 /* We need the following two to set stdin/stdout to binary */
#include
#include
#endif
int main(){
OggVorbis_File ov;
int i;
#ifdef _WIN32 /* We need to set stdin to binary mode. Damn windows. */
/* Beware the evil ifdef. We avoid these where we can, but this one we
cannot. Don't add any more, you'll probably go to hell if you do. */
_setmode( _fileno( stdin ), _O_BINARY );
#endif
/* open the file/pipe on stdin */
if(ov_open_callbacks(stdin,&ov,NULL,-1,OV_CALLBACKS_NOCLOSE)<0){
printf("Could not open input as an OggVorbis file.\n\n");
exit(1);
}
/* print details about each logical bitstream in the input */
if(ov_seekable(&ov)){
printf("Input bitstream contained %ld logical bitstream section(s).\n",
ov_streams(&ov));
printf("Total bitstream samples: %ld\n\n",
(long)ov_pcm_total(&ov,-1));
printf("Total bitstream playing time: %ld seconds\n\n",
(long)ov_time_total(&ov,-1));
}else{
printf("Standard input was not seekable.\n"
"First logical bitstream information:\n\n");
}
for(i=0;irate,vi->channels,ov_bitrate(&ov,i)/1000,
ov_serialnumber(&ov,i));
printf("\t\theader length: %ld bytes\n",(long)
(ov.dataoffsets[i]-ov.offsets[i]));
printf("\t\tcompressed length: %ld bytes\n",(long)(ov_raw_total(&ov,i)));
printf("\t\tplay time: %lds\n",(long)ov_time_total(&ov,i));
}
ov_clear(&ov);
return 0;
}
libvorbis-1.3.7/lib/ 0000755 0001750 0001750 00000000000 13700020067 011257 5 0000000 0000000 libvorbis-1.3.7/lib/CMakeLists.txt 0000644 0001750 0001750 00000010744 13645632144 013762 0000000 0000000 set(VORBIS_PUBLIC_HEADERS
../include/vorbis/codec.h
../include/vorbis/vorbisenc.h
../include/vorbis/vorbisfile.h
)
set(VORBIS_HEADERS
envelope.h
lpc.h
lsp.h
codebook.h
misc.h
psy.h
masking.h
os.h
mdct.h
smallft.h
highlevel.h
registry.h
scales.h
window.h
lookup.h
lookup_data.h
codec_internal.h
backends.h
bitrate.h
)
set(VORBIS_SOURCES
mdct.c
smallft.c
block.c
envelope.c
window.c
lsp.c
lpc.c
analysis.c
synthesis.c
psy.c
info.c
floor1.c
floor0.c
res0.c
mapping0.c
registry.c
codebook.c
sharedbook.c
lookup.c
bitrate.c
)
set(VORBISFILE_SOURCES
vorbisfile.c
)
set(VORBISENC_SOURCES
vorbisenc.c
)
if(WIN32)
list(APPEND VORBIS_SOURCES vorbisenc.c)
endif()
if(WIN32)
list(APPEND VORBIS_SOURCES ../win32/vorbis.def)
list(APPEND VORBISENC_SOURCES ../win32/vorbisenc.def)
list(APPEND VORBISFILE_SOURCES ../win32/vorbisfile.def)
endif()
if(MSVC)
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
endif()
if (NOT BUILD_FRAMEWORK)
add_library(vorbis ${VORBIS_HEADERS} ${VORBIS_SOURCES})
add_library(vorbisenc ${VORBISENC_SOURCES})
add_library(vorbisfile ${VORBISFILE_SOURCES})
get_version_info(VORBIS_VERSION_INFO "V_LIB_CURRENT" "V_LIB_AGE" "V_LIB_REVISION")
set_target_properties(vorbis PROPERTIES SOVERSION ${VORBIS_VERSION_INFO})
get_version_info(VORBISENC_VERSION_INFO "VE_LIB_CURRENT" "VE_LIB_AGE" "VE_LIB_REVISION")
set_target_properties(vorbisenc PROPERTIES SOVERSION ${VORBISENC_VERSION_INFO})
get_version_info(VORBISFILE_VERSION_INFO "VF_LIB_CURRENT" "VF_LIB_AGE" "VF_LIB_REVISION")
set_target_properties(vorbisfile PROPERTIES SOVERSION ${VORBISFILE_VERSION_INFO})
target_include_directories(vorbis
PUBLIC
$
$
PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}
)
target_include_directories(vorbisenc
PUBLIC
$
$
PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}
)
target_include_directories(vorbisfile
PUBLIC
$
$
)
target_link_libraries(vorbis
PUBLIC Ogg::ogg
PRIVATE $<$:m>
)
target_link_libraries(vorbisenc PUBLIC vorbis)
target_link_libraries(vorbisfile PUBLIC vorbis)
install(FILES ${VORBIS_PUBLIC_HEADERS} DESTINATION ${CMAKE_INSTALL_FULL_INCLUDEDIR}/vorbis)
install(TARGETS vorbis vorbisenc vorbisfile
EXPORT VorbisTargets
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
FRAMEWORK DESTINATION ${CMAKE_INSTALL_LIBDIR}
)
if(INSTALL_CMAKE_PACKAGE_MODULE)
set(CMAKE_INSTALL_CONFIGDIR ${CMAKE_INSTALL_LIBDIR}/cmake/Vorbis)
install(EXPORT VorbisTargets
DESTINATION ${CMAKE_INSTALL_CONFIGDIR}
NAMESPACE Vorbis::
)
include(CMakePackageConfigHelpers)
configure_package_config_file(${PROJECT_SOURCE_DIR}/cmake/VorbisConfig.cmake.in ${PROJECT_BINARY_DIR}/VorbisConfig.cmake
INSTALL_DESTINATION ${CMAKE_INSTALL_CONFIGDIR}
)
write_basic_package_version_file(${PROJECT_BINARY_DIR}/VorbisConfigVersion.cmake
COMPATIBILITY SameMajorVersion
)
install(FILES ${PROJECT_BINARY_DIR}/VorbisConfig.cmake ${PROJECT_BINARY_DIR}/VorbisConfigVersion.cmake
DESTINATION ${CMAKE_INSTALL_CONFIGDIR}
)
endif()
else()
add_library(vorbis ${VORBIS_PUBLIC_HEADERS} ${VORBIS_HEADERS} ${VORBIS_SOURCES} ${VORBISFILE_SOURCES} ${VORBISENC_SOURCES})
set_target_properties(vorbis PROPERTIES
FRAMEWORK TRUE
FRAMEWORK_VERSION ${PROJECT_VERSION}
MACOSX_FRAMEWORK_IDENTIFIER org.xiph.vorbis
MACOSX_FRAMEWORK_SHORT_VERSION_STRING ${PROJECT_VERSION}
MACOSX_FRAMEWORK_BUNDLE_VERSION ${PROJECT_VERSION}
XCODE_ATTRIBUTE_INSTALL_PATH "@rpath"
PUBLIC_HEADER "${VORBIS_PUBLIC_HEADERS}"
OUTPUT_NAME Vorbis
)
target_link_libraries(vorbis ${OGG_LIBRARIES})
endif()
libvorbis-1.3.7/lib/lookups.pl 0000755 0001750 0001750 00000007514 13677655474 013277 0000000 0000000 #!/usr/bin/perl
print <<'EOD';
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: lookup data; generated by lookups.pl; edit there
********************************************************************/
#ifndef _V_LOOKUP_DATA_H_
#ifdef FLOAT_LOOKUP
EOD
$cos_sz=128;
$invsq_sz=32;
$invsq2exp_min=-32;
$invsq2exp_max=32;
$fromdB_sz=35;
$fromdB_shift=5;
$fromdB2_shift=3;
$invsq_i_shift=10;
$cos_i_shift=9;
$delta_shift=6;
print "#define COS_LOOKUP_SZ $cos_sz\n";
print "static float COS_LOOKUP[COS_LOOKUP_SZ+1]={\n";
for($i=0;$i<=$cos_sz;){
print "\t";
for($j=0;$j<4 && $i<=$cos_sz;$j++){
printf "%+.13f,", cos(3.14159265358979323846*($i++)/$cos_sz) ;
}
print "\n";
}
print "};\n\n";
print "#define INVSQ_LOOKUP_SZ $invsq_sz\n";
print "static float INVSQ_LOOKUP[INVSQ_LOOKUP_SZ+1]={\n";
for($i=0;$i<=$invsq_sz;){
print "\t";
for($j=0;$j<4 && $i<=$invsq_sz;$j++){
my$indexmap=$i++/$invsq_sz*.5+.5;
printf "%.12f,", 1./sqrt($indexmap);
}
print "\n";
}
print "};\n\n";
print "#define INVSQ2EXP_LOOKUP_MIN $invsq2exp_min\n";
print "#define INVSQ2EXP_LOOKUP_MAX $invsq2exp_max\n";
print "static float INVSQ2EXP_LOOKUP[INVSQ2EXP_LOOKUP_MAX-\\\n".
" INVSQ2EXP_LOOKUP_MIN+1]={\n";
for($i=$invsq2exp_min;$i<=$invsq2exp_max;){
print "\t";
for($j=0;$j<4 && $i<=$invsq2exp_max;$j++){
printf "%15.10g,", 2**($i++*-.5);
}
print "\n";
}
print "};\n\n#endif\n\n";
# 0 to -140 dB
$fromdB2_sz=1<<$fromdB_shift;
$fromdB_gran=1<<($fromdB_shift-$fromdB2_shift);
print "#define FROMdB_LOOKUP_SZ $fromdB_sz\n";
print "#define FROMdB2_LOOKUP_SZ $fromdB2_sz\n";
print "#define FROMdB_SHIFT $fromdB_shift\n";
print "#define FROMdB2_SHIFT $fromdB2_shift\n";
print "#define FROMdB2_MASK ".((1<<$fromdB_shift)-1)."\n";
print "static float FROMdB_LOOKUP[FROMdB_LOOKUP_SZ]={\n";
for($i=0;$i<$fromdB_sz;){
print "\t";
for($j=0;$j<4 && $i<$fromdB_sz;$j++){
printf "%15.10g,", 10**(.05*(-$fromdB_gran*$i++));
}
print "\n";
}
print "};\n\n";
print "static float FROMdB2_LOOKUP[FROMdB2_LOOKUP_SZ]={\n";
for($i=0;$i<$fromdB2_sz;){
print "\t";
for($j=0;$j<4 && $i<$fromdB_sz;$j++){
printf "%15.10g,", 10**(.05*(-$fromdB_gran/$fromdB2_sz*(.5+$i++)));
}
print "\n";
}
print "};\n\n#ifdef INT_LOOKUP\n\n";
$iisz=0x10000>>$invsq_i_shift;
print "#define INVSQ_LOOKUP_I_SHIFT $invsq_i_shift\n";
print "#define INVSQ_LOOKUP_I_MASK ".(0x0ffff>>(16-$invsq_i_shift))."\n";
print "static long INVSQ_LOOKUP_I[$iisz+1]={\n";
for($i=0;$i<=$iisz;){
print "\t";
for($j=0;$j<4 && $i<=$iisz;$j++){
my$indexmap=$i++/$iisz*.5+.5;
printf "%8d,", int(1./sqrt($indexmap)*65536.+.5);
}
print "\n";
}
print "};\n\n";
$cisz=0x10000>>$cos_i_shift;
print "#define COS_LOOKUP_I_SHIFT $cos_i_shift\n";
print "#define COS_LOOKUP_I_MASK ".(0x0ffff>>(16-$cos_i_shift))."\n";
print "#define COS_LOOKUP_I_SZ $cisz\n";
print "static long COS_LOOKUP_I[COS_LOOKUP_I_SZ+1]={\n";
for($i=0;$i<=$cisz;){
print "\t";
for($j=0;$j<4 && $i<=$cisz;$j++){
printf "%8d,", int(cos(3.14159265358979323846*($i++)/$cos_sz)*16384.+.5) ;
}
print "\n";
}
print "};\n\n";
print "#endif\n\n#endif\n";
libvorbis-1.3.7/lib/bitrate.c 0000644 0001750 0001750 00000020436 13677655474 013037 0000000 0000000 /********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: bitrate tracking and management
********************************************************************/
#include
#include
#include
#include
#include "vorbis/codec.h"
#include "codec_internal.h"
#include "os.h"
#include "misc.h"
#include "bitrate.h"
/* compute bitrate tracking setup */
void vorbis_bitrate_init(vorbis_info *vi,bitrate_manager_state *bm){
codec_setup_info *ci=vi->codec_setup;
bitrate_manager_info *bi=&ci->bi;
memset(bm,0,sizeof(*bm));
if(bi && (bi->reservoir_bits>0)){
long ratesamples=vi->rate;
int halfsamples=ci->blocksizes[0]>>1;
bm->short_per_long=ci->blocksizes[1]/ci->blocksizes[0];
bm->managed=1;
bm->avg_bitsper= rint(1.*bi->avg_rate*halfsamples/ratesamples);
bm->min_bitsper= rint(1.*bi->min_rate*halfsamples/ratesamples);
bm->max_bitsper= rint(1.*bi->max_rate*halfsamples/ratesamples);
bm->avgfloat=PACKETBLOBS/2;
/* not a necessary fix, but one that leads to a more balanced
typical initialization */
{
long desired_fill=bi->reservoir_bits*bi->reservoir_bias;
bm->minmax_reservoir=desired_fill;
bm->avg_reservoir=desired_fill;
}
}
}
void vorbis_bitrate_clear(bitrate_manager_state *bm){
memset(bm,0,sizeof(*bm));
return;
}
int vorbis_bitrate_managed(vorbis_block *vb){
vorbis_dsp_state *vd=vb->vd;
private_state *b=vd->backend_state;
bitrate_manager_state *bm=&b->bms;
if(bm && bm->managed)return(1);
return(0);
}
/* finish taking in the block we just processed */
int vorbis_bitrate_addblock(vorbis_block *vb){
vorbis_block_internal *vbi=vb->internal;
vorbis_dsp_state *vd=vb->vd;
private_state *b=vd->backend_state;
bitrate_manager_state *bm=&b->bms;
vorbis_info *vi=vd->vi;
codec_setup_info *ci=vi->codec_setup;
bitrate_manager_info *bi=&ci->bi;
int choice=rint(bm->avgfloat);
long this_bits=oggpack_bytes(vbi->packetblob[choice])*8;
long min_target_bits=(vb->W?bm->min_bitsper*bm->short_per_long:bm->min_bitsper);
long max_target_bits=(vb->W?bm->max_bitsper*bm->short_per_long:bm->max_bitsper);
int samples=ci->blocksizes[vb->W]>>1;
long desired_fill=bi->reservoir_bits*bi->reservoir_bias;
if(!bm->managed){
/* not a bitrate managed stream, but for API simplicity, we'll
buffer the packet to keep the code path clean */
if(bm->vb)return(-1); /* one has been submitted without
being claimed */
bm->vb=vb;
return(0);
}
bm->vb=vb;
/* look ahead for avg floater */
if(bm->avg_bitsper>0){
double slew=0.;
long avg_target_bits=(vb->W?bm->avg_bitsper*bm->short_per_long:bm->avg_bitsper);
double slewlimit= 15./bi->slew_damp;
/* choosing a new floater:
if we're over target, we slew down
if we're under target, we slew up
choose slew as follows: look through packetblobs of this frame
and set slew as the first in the appropriate direction that
gives us the slew we want. This may mean no slew if delta is
already favorable.
Then limit slew to slew max */
if(bm->avg_reservoir+(this_bits-avg_target_bits)>desired_fill){
while(choice>0 && this_bits>avg_target_bits &&
bm->avg_reservoir+(this_bits-avg_target_bits)>desired_fill){
choice--;
this_bits=oggpack_bytes(vbi->packetblob[choice])*8;
}
}else if(bm->avg_reservoir+(this_bits-avg_target_bits)avg_reservoir+(this_bits-avg_target_bits)packetblob[choice])*8;
}
}
slew=rint(choice-bm->avgfloat)/samples*vi->rate;
if(slew<-slewlimit)slew=-slewlimit;
if(slew>slewlimit)slew=slewlimit;
choice=rint(bm->avgfloat+= slew/vi->rate*samples);
this_bits=oggpack_bytes(vbi->packetblob[choice])*8;
}
/* enforce min(if used) on the current floater (if used) */
if(bm->min_bitsper>0){
/* do we need to force the bitrate up? */
if(this_bitsminmax_reservoir-(min_target_bits-this_bits)<0){
choice++;
if(choice>=PACKETBLOBS)break;
this_bits=oggpack_bytes(vbi->packetblob[choice])*8;
}
}
}
/* enforce max (if used) on the current floater (if used) */
if(bm->max_bitsper>0){
/* do we need to force the bitrate down? */
if(this_bits>max_target_bits){
while(bm->minmax_reservoir+(this_bits-max_target_bits)>bi->reservoir_bits){
choice--;
if(choice<0)break;
this_bits=oggpack_bytes(vbi->packetblob[choice])*8;
}
}
}
/* Choice of packetblobs now made based on floater, and min/max
requirements. Now boundary check extreme choices */
if(choice<0){
/* choosing a smaller packetblob is insufficient to trim bitrate.
frame will need to be truncated */
long maxsize=(max_target_bits+(bi->reservoir_bits-bm->minmax_reservoir))/8;
bm->choice=choice=0;
if(oggpack_bytes(vbi->packetblob[choice])>maxsize){
oggpack_writetrunc(vbi->packetblob[choice],maxsize*8);
this_bits=oggpack_bytes(vbi->packetblob[choice])*8;
}
}else{
long minsize=(min_target_bits-bm->minmax_reservoir+7)/8;
if(choice>=PACKETBLOBS)
choice=PACKETBLOBS-1;
bm->choice=choice;
/* prop up bitrate according to demand. pad this frame out with zeroes */
minsize-=oggpack_bytes(vbi->packetblob[choice]);
while(minsize-->0)oggpack_write(vbi->packetblob[choice],0,8);
this_bits=oggpack_bytes(vbi->packetblob[choice])*8;
}
/* now we have the final packet and the final packet size. Update statistics */
/* min and max reservoir */
if(bm->min_bitsper>0 || bm->max_bitsper>0){
if(max_target_bits>0 && this_bits>max_target_bits){
bm->minmax_reservoir+=(this_bits-max_target_bits);
}else if(min_target_bits>0 && this_bitsminmax_reservoir+=(this_bits-min_target_bits);
}else{
/* inbetween; we want to take reservoir toward but not past desired_fill */
if(bm->minmax_reservoir>desired_fill){
if(max_target_bits>0){ /* logical bulletproofing against initialization state */
bm->minmax_reservoir+=(this_bits-max_target_bits);
if(bm->minmax_reservoirminmax_reservoir=desired_fill;
}else{
bm->minmax_reservoir=desired_fill;
}
}else{
if(min_target_bits>0){ /* logical bulletproofing against initialization state */
bm->minmax_reservoir+=(this_bits-min_target_bits);
if(bm->minmax_reservoir>desired_fill)bm->minmax_reservoir=desired_fill;
}else{
bm->minmax_reservoir=desired_fill;
}
}
}
}
/* avg reservoir */
if(bm->avg_bitsper>0){
long avg_target_bits=(vb->W?bm->avg_bitsper*bm->short_per_long:bm->avg_bitsper);
bm->avg_reservoir+=this_bits-avg_target_bits;
}
return(0);
}
int vorbis_bitrate_flushpacket(vorbis_dsp_state *vd,ogg_packet *op){
private_state *b=vd->backend_state;
bitrate_manager_state *bm=&b->bms;
vorbis_block *vb=bm->vb;
int choice=PACKETBLOBS/2;
if(!vb)return 0;
if(op){
vorbis_block_internal *vbi=vb->internal;
if(vorbis_bitrate_managed(vb))
choice=bm->choice;
op->packet=oggpack_get_buffer(vbi->packetblob[choice]);
op->bytes=oggpack_bytes(vbi->packetblob[choice]);
op->b_o_s=0;
op->e_o_s=vb->eofflag;
op->granulepos=vb->granulepos;
op->packetno=vb->sequence; /* for sake of completeness */
}
bm->vb=0;
return(1);
}
libvorbis-1.3.7/lib/codebook.c 0000644 0001750 0001750 00000032140 13677655474 013165 0000000 0000000 /********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 1994-2015 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: basic codebook pack/unpack/code/decode operations
********************************************************************/
#include
#include
#include
#include
#include "vorbis/codec.h"
#include "codebook.h"
#include "scales.h"
#include "misc.h"
#include "os.h"
/* packs the given codebook into the bitstream **************************/
int vorbis_staticbook_pack(const static_codebook *c,oggpack_buffer *opb){
long i,j;
int ordered=0;
/* first the basic parameters */
oggpack_write(opb,0x564342,24);
oggpack_write(opb,c->dim,16);
oggpack_write(opb,c->entries,24);
/* pack the codewords. There are two packings; length ordered and
length random. Decide between the two now. */
for(i=1;ientries;i++)
if(c->lengthlist[i-1]==0 || c->lengthlist[i]lengthlist[i-1])break;
if(i==c->entries)ordered=1;
if(ordered){
/* length ordered. We only need to say how many codewords of
each length. The actual codewords are generated
deterministically */
long count=0;
oggpack_write(opb,1,1); /* ordered */
oggpack_write(opb,c->lengthlist[0]-1,5); /* 1 to 32 */
for(i=1;ientries;i++){
char this=c->lengthlist[i];
char last=c->lengthlist[i-1];
if(this>last){
for(j=last;jentries-count));
count=i;
}
}
}
oggpack_write(opb,i-count,ov_ilog(c->entries-count));
}else{
/* length random. Again, we don't code the codeword itself, just
the length. This time, though, we have to encode each length */
oggpack_write(opb,0,1); /* unordered */
/* algortihmic mapping has use for 'unused entries', which we tag
here. The algorithmic mapping happens as usual, but the unused
entry has no codeword. */
for(i=0;ientries;i++)
if(c->lengthlist[i]==0)break;
if(i==c->entries){
oggpack_write(opb,0,1); /* no unused entries */
for(i=0;ientries;i++)
oggpack_write(opb,c->lengthlist[i]-1,5);
}else{
oggpack_write(opb,1,1); /* we have unused entries; thus we tag */
for(i=0;ientries;i++){
if(c->lengthlist[i]==0){
oggpack_write(opb,0,1);
}else{
oggpack_write(opb,1,1);
oggpack_write(opb,c->lengthlist[i]-1,5);
}
}
}
}
/* is the entry number the desired return value, or do we have a
mapping? If we have a mapping, what type? */
oggpack_write(opb,c->maptype,4);
switch(c->maptype){
case 0:
/* no mapping */
break;
case 1:case 2:
/* implicitly populated value mapping */
/* explicitly populated value mapping */
if(!c->quantlist){
/* no quantlist? error */
return(-1);
}
/* values that define the dequantization */
oggpack_write(opb,c->q_min,32);
oggpack_write(opb,c->q_delta,32);
oggpack_write(opb,c->q_quant-1,4);
oggpack_write(opb,c->q_sequencep,1);
{
int quantvals;
switch(c->maptype){
case 1:
/* a single column of (c->entries/c->dim) quantized values for
building a full value list algorithmically (square lattice) */
quantvals=_book_maptype1_quantvals(c);
break;
case 2:
/* every value (c->entries*c->dim total) specified explicitly */
quantvals=c->entries*c->dim;
break;
default: /* NOT_REACHABLE */
quantvals=-1;
}
/* quantized values */
for(i=0;iquantlist[i]),c->q_quant);
}
break;
default:
/* error case; we don't have any other map types now */
return(-1);
}
return(0);
}
/* unpacks a codebook from the packet buffer into the codebook struct,
readies the codebook auxiliary structures for decode *************/
static_codebook *vorbis_staticbook_unpack(oggpack_buffer *opb){
long i,j;
static_codebook *s=_ogg_calloc(1,sizeof(*s));
s->allocedp=1;
/* make sure alignment is correct */
if(oggpack_read(opb,24)!=0x564342)goto _eofout;
/* first the basic parameters */
s->dim=oggpack_read(opb,16);
s->entries=oggpack_read(opb,24);
if(s->entries==-1)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)){
case 0:{
long unused;
/* allocated but unused entries? */
unused=oggpack_read(opb,1);
if((s->entries*(unused?1:5)+7)>>3>opb->storage-oggpack_bytes(opb))
goto _eofout;
/* unordered */
s->lengthlist=_ogg_malloc(sizeof(*s->lengthlist)*s->entries);
/* allocated but unused entries? */
if(unused){
/* yes, unused entries */
for(i=0;ientries;i++){
if(oggpack_read(opb,1)){
long num=oggpack_read(opb,5);
if(num==-1)goto _eofout;
s->lengthlist[i]=num+1;
}else
s->lengthlist[i]=0;
}
}else{
/* all entries used; no tagging */
for(i=0;ientries;i++){
long num=oggpack_read(opb,5);
if(num==-1)goto _eofout;
s->lengthlist[i]=num+1;
}
}
break;
}
case 1:
/* ordered */
{
long length=oggpack_read(opb,5)+1;
if(length==0)goto _eofout;
s->lengthlist=_ogg_malloc(sizeof(*s->lengthlist)*s->entries);
for(i=0;ientries;){
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)){
goto _errout;
}
if(length>32)goto _errout;
for(j=0;jlengthlist[i]=length;
length++;
}
}
break;
default:
/* EOF */
goto _eofout;
}
/* Do we have a mapping to unpack? */
switch((s->maptype=oggpack_read(opb,4))){
case 0:
/* no mapping */
break;
case 1: case 2:
/* implicitly populated value mapping */
/* explicitly populated value mapping */
s->q_min=oggpack_read(opb,32);
s->q_delta=oggpack_read(opb,32);
s->q_quant=oggpack_read(opb,4)+1;
s->q_sequencep=oggpack_read(opb,1);
if(s->q_sequencep==-1)goto _eofout;
{
int quantvals=0;
switch(s->maptype){
case 1:
quantvals=(s->dim==0?0:_book_maptype1_quantvals(s));
break;
case 2:
quantvals=s->entries*s->dim;
break;
}
/* quantized values */
if(((quantvals*s->q_quant+7)>>3)>opb->storage-oggpack_bytes(opb))
goto _eofout;
s->quantlist=_ogg_malloc(sizeof(*s->quantlist)*quantvals);
for(i=0;iquantlist[i]=oggpack_read(opb,s->q_quant);
if(quantvals&&s->quantlist[quantvals-1]==-1)goto _eofout;
}
break;
default:
goto _errout;
}
/* all set */
return(s);
_errout:
_eofout:
vorbis_staticbook_destroy(s);
return(NULL);
}
/* returns the number of bits ************************************************/
int vorbis_book_encode(codebook *book, int a, oggpack_buffer *b){
if(a<0 || a>=book->c->entries)return(0);
oggpack_write(b,book->codelist[a],book->c->lengthlist[a]);
return(book->c->lengthlist[a]);
}
/* the 'eliminate the decode tree' optimization actually requires the
codewords to be MSb first, not LSb. This is an annoying inelegancy
(and one of the first places where carefully thought out design
turned out to be wrong; Vorbis II and future Ogg codecs should go
to an MSb bitpacker), but not actually the huge hit it appears to
be. The first-stage decode table catches most words so that
bitreverse is not in the main execution path. */
static ogg_uint32_t bitreverse(ogg_uint32_t x){
x= ((x>>16)&0x0000ffff) | ((x<<16)&0xffff0000);
x= ((x>> 8)&0x00ff00ff) | ((x<< 8)&0xff00ff00);
x= ((x>> 4)&0x0f0f0f0f) | ((x<< 4)&0xf0f0f0f0);
x= ((x>> 2)&0x33333333) | ((x<< 2)&0xcccccccc);
return((x>> 1)&0x55555555) | ((x<< 1)&0xaaaaaaaa);
}
STIN long decode_packed_entry_number(codebook *book, oggpack_buffer *b){
int read=book->dec_maxlength;
long lo,hi;
long lok = oggpack_look(b,book->dec_firsttablen);
if (lok >= 0) {
long entry = book->dec_firsttable[lok];
if(entry&0x80000000UL){
lo=(entry>>15)&0x7fff;
hi=book->used_entries-(entry&0x7fff);
}else{
oggpack_adv(b, book->dec_codelengths[entry-1]);
return(entry-1);
}
}else{
lo=0;
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)
lok = oggpack_look(b, --read);
if(lok<0)return -1;
/* bisect search for the codeword in the ordered list */
{
ogg_uint32_t testword=bitreverse((ogg_uint32_t)lok);
while(hi-lo>1){
long p=(hi-lo)>>1;
long test=book->codelist[lo+p]>testword;
lo+=p&(test-1);
hi-=p&(-test);
}
if(book->dec_codelengths[lo]<=read){
oggpack_adv(b, book->dec_codelengths[lo]);
return(lo);
}
}
oggpack_adv(b, read);
return(-1);
}
/* Decode side is specced and easier, because we don't need to find
matches using different criteria; we simply read and map. There are
two things we need to do 'depending':
We may need to support interleave. We don't really, but it's
convenient to do it here rather than rebuild the vector later.
Cascades may be additive or multiplicitive; this is not inherent in
the codebook, but set in the code using the codebook. Like
interleaving, it's easiest to do it here.
addmul==0 -> declarative (set the value)
addmul==1 -> additive
addmul==2 -> multiplicitive */
/* returns the [original, not compacted] entry number or -1 on eof *********/
long vorbis_book_decode(codebook *book, oggpack_buffer *b){
if(book->used_entries>0){
long packed_entry=decode_packed_entry_number(book,b);
if(packed_entry>=0)
return(book->dec_index[packed_entry]);
}
/* if there's no dec_index, the codebook unpacking isn't collapsed */
return(-1);
}
/* returns 0 on OK or -1 on eof *************************************/
/* decode vector / dim granularity gaurding is done in the upper layer */
long vorbis_book_decodevs_add(codebook *book,float *a,oggpack_buffer *b,int n){
if(book->used_entries>0){
int step=n/book->dim;
long *entry = alloca(sizeof(*entry)*step);
float **t = alloca(sizeof(*t)*step);
int i,j,o;
for (i = 0; i < step; i++) {
entry[i]=decode_packed_entry_number(book,b);
if(entry[i]==-1)return(-1);
t[i] = book->valuelist+entry[i]*book->dim;
}
for(i=0,o=0;idim;i++,o+=step)
for (j=0;o+jused_entries>0){
int i,j,entry;
float *t;
for(i=0;ivaluelist+entry*book->dim;
for(j=0;idim;)
a[i++]+=t[j++];
}
}
return(0);
}
/* unlike the others, we guard against n not being an integer number
of internally rather than in the upper layer (called only by
floor0) */
long vorbis_book_decodev_set(codebook *book,float *a,oggpack_buffer *b,int n){
if(book->used_entries>0){
int i,j,entry;
float *t;
for(i=0;ivaluelist+entry*book->dim;
for (j=0;idim;){
a[i++]=t[j++];
}
}
}else{
int i;
for(i=0;iused_entries>0){
int m=(offset+n)/ch;
for(i=offset/ch;ivaluelist+entry*book->dim;
for (j=0;idim;j++){
a[chptr++][i]+=t[j];
if(chptr==ch){
chptr=0;
i++;
}
}
}
}
}
return(0);
}
libvorbis-1.3.7/lib/codec_internal.h 0000644 0001750 0001750 00000012420 13677655474 014355 0000000 0000000 /********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: libvorbis codec headers
********************************************************************/
#ifndef _V_CODECI_H_
#define _V_CODECI_H_
#include "envelope.h"
#include "codebook.h"
#define BLOCKTYPE_IMPULSE 0
#define BLOCKTYPE_PADDING 1
#define BLOCKTYPE_TRANSITION 0
#define BLOCKTYPE_LONG 1
#define PACKETBLOBS 15
typedef struct vorbis_block_internal{
float **pcmdelay; /* this is a pointer into local storage */
float ampmax;
int blocktype;
oggpack_buffer *packetblob[PACKETBLOBS]; /* initialized, must be freed;
blob [PACKETBLOBS/2] points to
the oggpack_buffer in the
main vorbis_block */
} vorbis_block_internal;
typedef void vorbis_look_floor;
typedef void vorbis_look_residue;
typedef void vorbis_look_transform;
/* mode ************************************************************/
typedef struct {
int blockflag;
int windowtype;
int transformtype;
int mapping;
} vorbis_info_mode;
typedef void vorbis_info_floor;
typedef void vorbis_info_residue;
typedef void vorbis_info_mapping;
#include "psy.h"
#include "bitrate.h"
typedef struct private_state {
/* local lookup storage */
envelope_lookup *ve; /* envelope lookup */
int window[2];
vorbis_look_transform **transform[2]; /* block, type */
drft_lookup fft_look[2];
int modebits;
vorbis_look_floor **flr;
vorbis_look_residue **residue;
vorbis_look_psy *psy;
vorbis_look_psy_global *psy_g_look;
/* local storage, only used on the encoding side. This way the
application does not need to worry about freeing some packets'
memory and not others'; packet storage is always tracked.
Cleared next call to a _dsp_ function */
unsigned char *header;
unsigned char *header1;
unsigned char *header2;
bitrate_manager_state bms;
ogg_int64_t sample_count;
} private_state;
/* codec_setup_info contains all the setup information specific to the
specific compression/decompression mode in progress (eg,
psychoacoustic settings, channel setup, options, codebook
etc).
*********************************************************************/
#include "highlevel.h"
typedef struct codec_setup_info {
/* Vorbis supports only short and long blocks, but allows the
encoder to choose the sizes */
long blocksizes[2];
/* modes are the primary means of supporting on-the-fly different
blocksizes, different channel mappings (LR or M/A),
different residue backends, etc. Each mode consists of a
blocksize flag and a mapping (along with the mapping setup */
int modes;
int maps;
int floors;
int residues;
int books;
int psys; /* encode only */
vorbis_info_mode *mode_param[64];
int map_type[64];
vorbis_info_mapping *map_param[64];
int floor_type[64];
vorbis_info_floor *floor_param[64];
int residue_type[64];
vorbis_info_residue *residue_param[64];
static_codebook *book_param[256];
codebook *fullbooks;
vorbis_info_psy *psy_param[4]; /* encode only */
vorbis_info_psy_global psy_g_param;
bitrate_manager_info bi;
highlevel_encode_setup hi; /* used only by vorbisenc.c. It's a
highly redundant structure, but
improves clarity of program flow. */
int halfrate_flag; /* painless downsample for decode */
} codec_setup_info;
extern vorbis_look_psy_global *_vp_global_look(vorbis_info *vi);
extern void _vp_global_free(vorbis_look_psy_global *look);
typedef struct {
int sorted_index[VIF_POSIT+2];
int forward_index[VIF_POSIT+2];
int reverse_index[VIF_POSIT+2];
int hineighbor[VIF_POSIT];
int loneighbor[VIF_POSIT];
int posts;
int n;
int quant_q;
vorbis_info_floor1 *vi;
long phrasebits;
long postbits;
long frames;
} vorbis_look_floor1;
extern int *floor1_fit(vorbis_block *vb,vorbis_look_floor1 *look,
const float *logmdct, /* in */
const float *logmask);
extern int *floor1_interpolate_fit(vorbis_block *vb,vorbis_look_floor1 *look,
int *A,int *B,
int del);
extern int floor1_encode(oggpack_buffer *opb,vorbis_block *vb,
vorbis_look_floor1 *look,
int *post,int *ilogmask);
#endif
libvorbis-1.3.7/lib/lpc.h 0000644 0001750 0001750 00000002226 13677655474 012165 0000000 0000000 /********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: LPC low level routines
********************************************************************/
#ifndef _V_LPC_H_
#define _V_LPC_H_
#include "vorbis/codec.h"
/* simple linear scale LPC code */
extern float vorbis_lpc_from_data(float *data,float *lpc,int n,int m);
extern void vorbis_lpc_predict(float *coeff,float *prime,int m,
float *data,long n);
#endif
libvorbis-1.3.7/lib/misc.h 0000644 0001750 0001750 00000003704 13677655474 012344 0000000 0000000 /********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 1994-2015 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: miscellaneous prototypes
********************************************************************/
#ifndef _V_RANDOM_H_
#define _V_RANDOM_H_
#include "vorbis/codec.h"
extern void *_vorbis_block_alloc(vorbis_block *vb,long bytes);
extern void _vorbis_block_ripcord(vorbis_block *vb);
extern int ov_ilog(ogg_uint32_t v);
#ifdef ANALYSIS
extern int analysis_noisy;
extern void _analysis_output(char *base,int i,float *v,int n,int bark,int dB,
ogg_int64_t off);
extern void _analysis_output_always(char *base,int i,float *v,int n,int bark,int dB,
ogg_int64_t off);
#endif
#ifdef DEBUG_MALLOC
#define _VDBG_GRAPHFILE "malloc.m"
#undef _VDBG_GRAPHFILE
extern void *_VDBG_malloc(void *ptr,long bytes,char *file,long line);
extern void _VDBG_free(void *ptr,char *file,long line);
#ifndef MISC_C
#undef _ogg_malloc
#undef _ogg_calloc
#undef _ogg_realloc
#undef _ogg_free
#define _ogg_malloc(x) _VDBG_malloc(NULL,(x),__FILE__,__LINE__)
#define _ogg_calloc(x,y) _VDBG_malloc(NULL,(x)*(y),__FILE__,__LINE__)
#define _ogg_realloc(x,y) _VDBG_malloc((x),(y),__FILE__,__LINE__)
#define _ogg_free(x) _VDBG_free((x),__FILE__,__LINE__)
#endif
#endif
#endif
libvorbis-1.3.7/lib/mdct.c 0000644 0001750 0001750 00000036205 13677655474 012335 0000000 0000000 /********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: normalized modified discrete cosine transform
power of two length transform only [64 <= n ]
Original algorithm adapted long ago from _The use of multirate filter
banks for coding of high quality digital audio_, by T. Sporer,
K. Brandenburg and B. Edler, collection of the European Signal
Processing Conference (EUSIPCO), Amsterdam, June 1992, Vol.1, pp
211-214
The below code implements an algorithm that no longer looks much like
that presented in the paper, but the basic structure remains if you
dig deep enough to see it.
This module DOES NOT INCLUDE code to generate/apply the window
function. Everybody has their own weird favorite including me... I
happen to like the properties of y=sin(.5PI*sin^2(x)), but others may
vehemently disagree.
********************************************************************/
/* this can also be run as an integer transform by uncommenting a
define in mdct.h; the integerization is a first pass and although
it's likely stable for Vorbis, the dynamic range is constrained and
roundoff isn't done (so it's noisy). Consider it functional, but
only a starting point. There's no point on a machine with an FPU */
#include
#include
#include
#include
#include "vorbis/codec.h"
#include "mdct.h"
#include "os.h"
#include "misc.h"
/* build lookups for trig functions; also pre-figure scaling and
some window function algebra. */
void mdct_init(mdct_lookup *lookup,int n){
int *bitrev=_ogg_malloc(sizeof(*bitrev)*(n/4));
DATA_TYPE *T=_ogg_malloc(sizeof(*T)*(n+n/4));
int i;
int n2=n>>1;
int log2n=lookup->log2n=rint(log((float)n)/log(2.f));
lookup->n=n;
lookup->trig=T;
lookup->bitrev=bitrev;
/* trig lookups... */
for(i=0;i>j;j++)
if((msb>>j)&i)acc|=1<scale=FLOAT_CONV(4.f/n);
}
/* 8 point butterfly (in place, 4 register) */
STIN void mdct_butterfly_8(DATA_TYPE *x){
REG_TYPE r0 = x[6] + x[2];
REG_TYPE r1 = x[6] - x[2];
REG_TYPE r2 = x[4] + x[0];
REG_TYPE r3 = x[4] - x[0];
x[6] = r0 + r2;
x[4] = r0 - r2;
r0 = x[5] - x[1];
r2 = x[7] - x[3];
x[0] = r1 + r0;
x[2] = r1 - r0;
r0 = x[5] + x[1];
r1 = x[7] + x[3];
x[3] = r2 + r3;
x[1] = r2 - r3;
x[7] = r1 + r0;
x[5] = r1 - r0;
}
/* 16 point butterfly (in place, 4 register) */
STIN void mdct_butterfly_16(DATA_TYPE *x){
REG_TYPE r0 = x[1] - x[9];
REG_TYPE r1 = x[0] - x[8];
x[8] += x[0];
x[9] += x[1];
x[0] = MULT_NORM((r0 + r1) * cPI2_8);
x[1] = MULT_NORM((r0 - r1) * cPI2_8);
r0 = x[3] - x[11];
r1 = x[10] - x[2];
x[10] += x[2];
x[11] += x[3];
x[2] = r0;
x[3] = r1;
r0 = x[12] - x[4];
r1 = x[13] - x[5];
x[12] += x[4];
x[13] += x[5];
x[4] = MULT_NORM((r0 - r1) * cPI2_8);
x[5] = MULT_NORM((r0 + r1) * cPI2_8);
r0 = x[14] - x[6];
r1 = x[15] - x[7];
x[14] += x[6];
x[15] += x[7];
x[6] = r0;
x[7] = r1;
mdct_butterfly_8(x);
mdct_butterfly_8(x+8);
}
/* 32 point butterfly (in place, 4 register) */
STIN void mdct_butterfly_32(DATA_TYPE *x){
REG_TYPE r0 = x[30] - x[14];
REG_TYPE r1 = x[31] - x[15];
x[30] += x[14];
x[31] += x[15];
x[14] = r0;
x[15] = r1;
r0 = x[28] - x[12];
r1 = x[29] - x[13];
x[28] += x[12];
x[29] += x[13];
x[12] = MULT_NORM( r0 * cPI1_8 - r1 * cPI3_8 );
x[13] = MULT_NORM( r0 * cPI3_8 + r1 * cPI1_8 );
r0 = x[26] - x[10];
r1 = x[27] - x[11];
x[26] += x[10];
x[27] += x[11];
x[10] = MULT_NORM(( r0 - r1 ) * cPI2_8);
x[11] = MULT_NORM(( r0 + r1 ) * cPI2_8);
r0 = x[24] - x[8];
r1 = x[25] - x[9];
x[24] += x[8];
x[25] += x[9];
x[8] = MULT_NORM( r0 * cPI3_8 - r1 * cPI1_8 );
x[9] = MULT_NORM( r1 * cPI3_8 + r0 * cPI1_8 );
r0 = x[22] - x[6];
r1 = x[7] - x[23];
x[22] += x[6];
x[23] += x[7];
x[6] = r1;
x[7] = r0;
r0 = x[4] - x[20];
r1 = x[5] - x[21];
x[20] += x[4];
x[21] += x[5];
x[4] = MULT_NORM( r1 * cPI1_8 + r0 * cPI3_8 );
x[5] = MULT_NORM( r1 * cPI3_8 - r0 * cPI1_8 );
r0 = x[2] - x[18];
r1 = x[3] - x[19];
x[18] += x[2];
x[19] += x[3];
x[2] = MULT_NORM(( r1 + r0 ) * cPI2_8);
x[3] = MULT_NORM(( r1 - r0 ) * cPI2_8);
r0 = x[0] - x[16];
r1 = x[1] - x[17];
x[16] += x[0];
x[17] += x[1];
x[0] = MULT_NORM( r1 * cPI3_8 + r0 * cPI1_8 );
x[1] = MULT_NORM( r1 * cPI1_8 - r0 * cPI3_8 );
mdct_butterfly_16(x);
mdct_butterfly_16(x+16);
}
/* N point first stage butterfly (in place, 2 register) */
STIN void mdct_butterfly_first(DATA_TYPE *T,
DATA_TYPE *x,
int points){
DATA_TYPE *x1 = x + points - 8;
DATA_TYPE *x2 = x + (points>>1) - 8;
REG_TYPE r0;
REG_TYPE r1;
do{
r0 = x1[6] - x2[6];
r1 = x1[7] - x2[7];
x1[6] += x2[6];
x1[7] += x2[7];
x2[6] = MULT_NORM(r1 * T[1] + r0 * T[0]);
x2[7] = MULT_NORM(r1 * T[0] - r0 * T[1]);
r0 = x1[4] - x2[4];
r1 = x1[5] - x2[5];
x1[4] += x2[4];
x1[5] += x2[5];
x2[4] = MULT_NORM(r1 * T[5] + r0 * T[4]);
x2[5] = MULT_NORM(r1 * T[4] - r0 * T[5]);
r0 = x1[2] - x2[2];
r1 = x1[3] - x2[3];
x1[2] += x2[2];
x1[3] += x2[3];
x2[2] = MULT_NORM(r1 * T[9] + r0 * T[8]);
x2[3] = MULT_NORM(r1 * T[8] - r0 * T[9]);
r0 = x1[0] - x2[0];
r1 = x1[1] - x2[1];
x1[0] += x2[0];
x1[1] += x2[1];
x2[0] = MULT_NORM(r1 * T[13] + r0 * T[12]);
x2[1] = MULT_NORM(r1 * T[12] - r0 * T[13]);
x1-=8;
x2-=8;
T+=16;
}while(x2>=x);
}
/* N/stage point generic N stage butterfly (in place, 2 register) */
STIN void mdct_butterfly_generic(DATA_TYPE *T,
DATA_TYPE *x,
int points,
int trigint){
DATA_TYPE *x1 = x + points - 8;
DATA_TYPE *x2 = x + (points>>1) - 8;
REG_TYPE r0;
REG_TYPE r1;
do{
r0 = x1[6] - x2[6];
r1 = x1[7] - x2[7];
x1[6] += x2[6];
x1[7] += x2[7];
x2[6] = MULT_NORM(r1 * T[1] + r0 * T[0]);
x2[7] = MULT_NORM(r1 * T[0] - r0 * T[1]);
T+=trigint;
r0 = x1[4] - x2[4];
r1 = x1[5] - x2[5];
x1[4] += x2[4];
x1[5] += x2[5];
x2[4] = MULT_NORM(r1 * T[1] + r0 * T[0]);
x2[5] = MULT_NORM(r1 * T[0] - r0 * T[1]);
T+=trigint;
r0 = x1[2] - x2[2];
r1 = x1[3] - x2[3];
x1[2] += x2[2];
x1[3] += x2[3];
x2[2] = MULT_NORM(r1 * T[1] + r0 * T[0]);
x2[3] = MULT_NORM(r1 * T[0] - r0 * T[1]);
T+=trigint;
r0 = x1[0] - x2[0];
r1 = x1[1] - x2[1];
x1[0] += x2[0];
x1[1] += x2[1];
x2[0] = MULT_NORM(r1 * T[1] + r0 * T[0]);
x2[1] = MULT_NORM(r1 * T[0] - r0 * T[1]);
T+=trigint;
x1-=8;
x2-=8;
}while(x2>=x);
}
STIN void mdct_butterflies(mdct_lookup *init,
DATA_TYPE *x,
int points){
DATA_TYPE *T=init->trig;
int stages=init->log2n-5;
int i,j;
if(--stages>0){
mdct_butterfly_first(T,x,points);
}
for(i=1;--stages>0;i++){
for(j=0;j<(1<>i)*j,points>>i,4<trig)_ogg_free(l->trig);
if(l->bitrev)_ogg_free(l->bitrev);
memset(l,0,sizeof(*l));
}
}
STIN void mdct_bitreverse(mdct_lookup *init,
DATA_TYPE *x){
int n = init->n;
int *bit = init->bitrev;
DATA_TYPE *w0 = x;
DATA_TYPE *w1 = x = w0+(n>>1);
DATA_TYPE *T = init->trig+n;
do{
DATA_TYPE *x0 = x+bit[0];
DATA_TYPE *x1 = x+bit[1];
REG_TYPE r0 = x0[1] - x1[1];
REG_TYPE r1 = x0[0] + x1[0];
REG_TYPE r2 = MULT_NORM(r1 * T[0] + r0 * T[1]);
REG_TYPE r3 = MULT_NORM(r1 * T[1] - r0 * T[0]);
w1 -= 4;
r0 = HALVE(x0[1] + x1[1]);
r1 = HALVE(x0[0] - x1[0]);
w0[0] = r0 + r2;
w1[2] = r0 - r2;
w0[1] = r1 + r3;
w1[3] = r3 - r1;
x0 = x+bit[2];
x1 = x+bit[3];
r0 = x0[1] - x1[1];
r1 = x0[0] + x1[0];
r2 = MULT_NORM(r1 * T[2] + r0 * T[3]);
r3 = MULT_NORM(r1 * T[3] - r0 * T[2]);
r0 = HALVE(x0[1] + x1[1]);
r1 = HALVE(x0[0] - x1[0]);
w0[2] = r0 + r2;
w1[0] = r0 - r2;
w0[3] = r1 + r3;
w1[1] = r3 - r1;
T += 4;
bit += 4;
w0 += 4;
}while(w0n;
int n2=n>>1;
int n4=n>>2;
/* rotate */
DATA_TYPE *iX = in+n2-7;
DATA_TYPE *oX = out+n2+n4;
DATA_TYPE *T = init->trig+n4;
do{
oX -= 4;
oX[0] = MULT_NORM(-iX[2] * T[3] - iX[0] * T[2]);
oX[1] = MULT_NORM (iX[0] * T[3] - iX[2] * T[2]);
oX[2] = MULT_NORM(-iX[6] * T[1] - iX[4] * T[0]);
oX[3] = MULT_NORM (iX[4] * T[1] - iX[6] * T[0]);
iX -= 8;
T += 4;
}while(iX>=in);
iX = in+n2-8;
oX = out+n2+n4;
T = init->trig+n4;
do{
T -= 4;
oX[0] = MULT_NORM (iX[4] * T[3] + iX[6] * T[2]);
oX[1] = MULT_NORM (iX[4] * T[2] - iX[6] * T[3]);
oX[2] = MULT_NORM (iX[0] * T[1] + iX[2] * T[0]);
oX[3] = MULT_NORM (iX[0] * T[0] - iX[2] * T[1]);
iX -= 8;
oX += 4;
}while(iX>=in);
mdct_butterflies(init,out+n2,n2);
mdct_bitreverse(init,out);
/* roatate + window */
{
DATA_TYPE *oX1=out+n2+n4;
DATA_TYPE *oX2=out+n2+n4;
DATA_TYPE *iX =out;
T =init->trig+n2;
do{
oX1-=4;
oX1[3] = MULT_NORM (iX[0] * T[1] - iX[1] * T[0]);
oX2[0] = -MULT_NORM (iX[0] * T[0] + iX[1] * T[1]);
oX1[2] = MULT_NORM (iX[2] * T[3] - iX[3] * T[2]);
oX2[1] = -MULT_NORM (iX[2] * T[2] + iX[3] * T[3]);
oX1[1] = MULT_NORM (iX[4] * T[5] - iX[5] * T[4]);
oX2[2] = -MULT_NORM (iX[4] * T[4] + iX[5] * T[5]);
oX1[0] = MULT_NORM (iX[6] * T[7] - iX[7] * T[6]);
oX2[3] = -MULT_NORM (iX[6] * T[6] + iX[7] * T[7]);
oX2+=4;
iX += 8;
T += 8;
}while(iXoX2);
}
}
void mdct_forward(mdct_lookup *init, DATA_TYPE *in, DATA_TYPE *out){
int n=init->n;
int n2=n>>1;
int n4=n>>2;
int n8=n>>3;
DATA_TYPE *w=alloca(n*sizeof(*w)); /* forward needs working space */
DATA_TYPE *w2=w+n2;
/* rotate */
/* window + rotate + step 1 */
REG_TYPE r0;
REG_TYPE r1;
DATA_TYPE *x0=in+n2+n4;
DATA_TYPE *x1=x0+1;
DATA_TYPE *T=init->trig+n2;
int i=0;
for(i=0;itrig+n2;
x0=out+n2;
for(i=0;iscale);
x0[0] =MULT_NORM((w[0]*T[1]-w[1]*T[0])*init->scale);
w+=2;
T+=2;
}
}
libvorbis-1.3.7/lib/backends.h 0000644 0001750 0001750 00000012037 13677655474 013162 0000000 0000000 /********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: libvorbis backend and mapping structures; needed for
static mode headers
********************************************************************/
/* this is exposed up here because we need it for static modes.
Lookups for each backend aren't exposed because there's no reason
to do so */
#ifndef _vorbis_backend_h_
#define _vorbis_backend_h_
#include "codec_internal.h"
/* this would all be simpler/shorter with templates, but.... */
/* Floor backend generic *****************************************/
typedef struct{
void (*pack) (vorbis_info_floor *,oggpack_buffer *);
vorbis_info_floor *(*unpack)(vorbis_info *,oggpack_buffer *);
vorbis_look_floor *(*look) (vorbis_dsp_state *,vorbis_info_floor *);
void (*free_info) (vorbis_info_floor *);
void (*free_look) (vorbis_look_floor *);
void *(*inverse1) (struct vorbis_block *,vorbis_look_floor *);
int (*inverse2) (struct vorbis_block *,vorbis_look_floor *,
void *buffer,float *);
} vorbis_func_floor;
typedef struct{
int order;
long rate;
long barkmap;
int ampbits;
int ampdB;
int numbooks; /* <= 16 */
int books[16];
float lessthan; /* encode-only config setting hacks for libvorbis */
float greaterthan; /* encode-only config setting hacks for libvorbis */
} vorbis_info_floor0;
#define VIF_POSIT 63
#define VIF_CLASS 16
#define VIF_PARTS 31
typedef struct{
int partitions; /* 0 to 31 */
int partitionclass[VIF_PARTS]; /* 0 to 15 */
int class_dim[VIF_CLASS]; /* 1 to 8 */
int class_subs[VIF_CLASS]; /* 0,1,2,3 (bits: 1<
#include
#include
#include "smallft.h"
#include "os.h"
#include "misc.h"
static void drfti1(int n, float *wa, int *ifac){
static int ntryh[4] = { 4,2,3,5 };
static float tpi = 6.28318530717958648f;
float arg,argh,argld,fi;
int ntry=0,i,j=-1;
int k1, l1, l2, ib;
int ld, ii, ip, is, nq, nr;
int ido, ipm, nfm1;
int nl=n;
int nf=0;
L101:
j++;
if (j < 4)
ntry=ntryh[j];
else
ntry+=2;
L104:
nq=nl/ntry;
nr=nl-ntry*nq;
if (nr!=0) goto L101;
nf++;
ifac[nf+1]=ntry;
nl=nq;
if(ntry!=2)goto L107;
if(nf==1)goto L107;
for (i=1;i>1;
ipp2=ip;
idp2=ido;
nbd=(ido-1)>>1;
t0=l1*ido;
t10=ip*ido;
if(ido==1)goto L119;
for(ik=0;ikl1){
for(j=1;j>1;
ipp2=ip;
ipph=(ip+1)>>1;
if(idol1)goto L139;
is= -ido-1;
t1=0;
for(j=1;jn==1)return;
drftf1(l->n,data,l->trigcache,l->trigcache+l->n,l->splitcache);
}
void drft_backward(drft_lookup *l,float *data){
if (l->n==1)return;
drftb1(l->n,data,l->trigcache,l->trigcache+l->n,l->splitcache);
}
void drft_init(drft_lookup *l,int n){
l->n=n;
l->trigcache=_ogg_calloc(3*n,sizeof(*l->trigcache));
l->splitcache=_ogg_calloc(32,sizeof(*l->splitcache));
fdrffti(n, l->trigcache, l->splitcache);
}
void drft_clear(drft_lookup *l){
if(l){
if(l->trigcache)_ogg_free(l->trigcache);
if(l->splitcache)_ogg_free(l->splitcache);
memset(l,0,sizeof(*l));
}
}
libvorbis-1.3.7/lib/registry.c 0000644 0001750 0001750 00000003354 13677655474 013255 0000000 0000000 /********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: registry for time, floor, res backends and channel mappings
********************************************************************/
#include "vorbis/codec.h"
#include "codec_internal.h"
#include "registry.h"
#include "misc.h"
/* seems like major overkill now; the backend numbers will grow into
the infrastructure soon enough */
extern const vorbis_func_floor floor0_exportbundle;
extern const vorbis_func_floor floor1_exportbundle;
extern const vorbis_func_residue residue0_exportbundle;
extern const vorbis_func_residue residue1_exportbundle;
extern const vorbis_func_residue residue2_exportbundle;
extern const vorbis_func_mapping mapping0_exportbundle;
const vorbis_func_floor *const _floor_P[]={
&floor0_exportbundle,
&floor1_exportbundle,
};
const vorbis_func_residue *const _residue_P[]={
&residue0_exportbundle,
&residue1_exportbundle,
&residue2_exportbundle,
};
const vorbis_func_mapping *const _mapping_P[]={
&mapping0_exportbundle,
};
libvorbis-1.3.7/lib/lsp.c 0000644 0001750 0001750 00000030451 13677655474 012201 0000000 0000000 /********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: LSP (also called LSF) conversion routines
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:
https://web.archive.org/web/20110810174000/http://home.myfairpoint.net/vzenxj75/myown1/joe/lsf/index.html
********************************************************************/
/* Note that the lpc-lsp conversion finds the roots of polynomial with
an iterative root polisher (CACM algorithm 283). It *is* possible
to confuse this algorithm into not converging; that should only
happen with absurdly closely spaced roots (very sharp peaks in the
LPC f response) which in turn should be impossible in our use of
the code. If this *does* happen anyway, it's a bug in the floor
finder; find the cause of the confusion (probably a single bin
spike or accidental near-float-limit resolution problems) and
correct it. */
#include
#include
#include
#include "lsp.h"
#include "os.h"
#include "misc.h"
#include "lookup.h"
#include "scales.h"
/* three possible LSP to f curve functions; the exact computation
(float), a lookup based float implementation, and an integer
implementation. The float lookup is likely the optimal choice on
any machine with an FPU. The integer implementation is *not* fixed
point (due to the need for a large dynamic range and thus a
separately tracked exponent) and thus much more complex than the
relatively simple float implementations. It's mostly for future
work on a fully fixed point implementation for processors like the
ARM family. */
/* define either of these (preferably FLOAT_LOOKUP) to have faster
but less precise implementation. */
#undef FLOAT_LOOKUP
#undef INT_LOOKUP
#ifdef FLOAT_LOOKUP
#include "lookup.c" /* catch this in the build system; we #include for
compilers (like gcc) that can't inline across
modules */
/* side effect: changes *lsp to cosines of lsp */
void vorbis_lsp_to_curve(float *curve,int *map,int n,int ln,float *lsp,int m,
float amp,float ampoffset){
int i;
float wdel=M_PI/ln;
vorbis_fpu_control fpu;
vorbis_fpu_setround(&fpu);
for(i=0;i>1;
while(c--){
q*=ftmp[0]-w;
p*=ftmp[1]-w;
ftmp+=2;
}
if(m&1){
/* odd order filter; slightly assymetric */
/* the last coefficient */
q*=ftmp[0]-w;
q*=q;
p*=p*(1.f-w*w);
}else{
/* even order filter; still symmetric */
q*=q*(1.f+w);
p*=p*(1.f-w);
}
q=frexp(p+q,&qexp);
q=vorbis_fromdBlook(amp*
vorbis_invsqlook(q)*
vorbis_invsq2explook(qexp+m)-
ampoffset);
do{
curve[i++]*=q;
}while(map[i]==k);
}
vorbis_fpu_restore(fpu);
}
#else
#ifdef INT_LOOKUP
#include "lookup.c" /* catch this in the build system; we #include for
compilers (like gcc) that can't inline across
modules */
static const int MLOOP_1[64]={
0,10,11,11, 12,12,12,12, 13,13,13,13, 13,13,13,13,
14,14,14,14, 14,14,14,14, 14,14,14,14, 14,14,14,14,
15,15,15,15, 15,15,15,15, 15,15,15,15, 15,15,15,15,
15,15,15,15, 15,15,15,15, 15,15,15,15, 15,15,15,15,
};
static const int MLOOP_2[64]={
0,4,5,5, 6,6,6,6, 7,7,7,7, 7,7,7,7,
8,8,8,8, 8,8,8,8, 8,8,8,8, 8,8,8,8,
9,9,9,9, 9,9,9,9, 9,9,9,9, 9,9,9,9,
9,9,9,9, 9,9,9,9, 9,9,9,9, 9,9,9,9,
};
static const int MLOOP_3[8]={0,1,2,2,3,3,3,3};
/* side effect: changes *lsp to cosines of lsp */
void vorbis_lsp_to_curve(float *curve,int *map,int n,int ln,float *lsp,int m,
float amp,float ampoffset){
/* 0 <= m < 256 */
/* set up for using all int later */
int i;
int ampoffseti=rint(ampoffset*4096.f);
int ampi=rint(amp*16.f);
long *ilsp=alloca(m*sizeof(*ilsp));
for(i=0;i>25]))
if(!(shift=MLOOP_2[(pi|qi)>>19]))
shift=MLOOP_3[(pi|qi)>>16];
qi=(qi>>shift)*labs(ilsp[j-1]-wi);
pi=(pi>>shift)*labs(ilsp[j]-wi);
qexp+=shift;
}
if(!(shift=MLOOP_1[(pi|qi)>>25]))
if(!(shift=MLOOP_2[(pi|qi)>>19]))
shift=MLOOP_3[(pi|qi)>>16];
/* pi,qi normalized collectively, both tracked using qexp */
if(m&1){
/* odd order filter; slightly assymetric */
/* the last coefficient */
qi=(qi>>shift)*labs(ilsp[j-1]-wi);
pi=(pi>>shift)<<14;
qexp+=shift;
if(!(shift=MLOOP_1[(pi|qi)>>25]))
if(!(shift=MLOOP_2[(pi|qi)>>19]))
shift=MLOOP_3[(pi|qi)>>16];
pi>>=shift;
qi>>=shift;
qexp+=shift-14*((m+1)>>1);
pi=((pi*pi)>>16);
qi=((qi*qi)>>16);
qexp=qexp*2+m;
pi*=(1<<14)-((wi*wi)>>14);
qi+=pi>>14;
}else{
/* even order filter; still symmetric */
/* p*=p(1-w), q*=q(1+w), let normalization drift because it isn't
worth tracking step by step */
pi>>=shift;
qi>>=shift;
qexp+=shift-7*m;
pi=((pi*pi)>>16);
qi=((qi*qi)>>16);
qexp=qexp*2+m;
pi*=(1<<14)-wi;
qi*=(1<<14)+wi;
qi=(qi+pi)>>14;
}
/* we've let the normalization drift because it wasn't important;
however, for the lookup, things must be normalized again. We
need at most one right shift or a number of left shifts */
if(qi&0xffff0000){ /* checks for 1.xxxxxxxxxxxxxxxx */
qi>>=1; qexp++;
}else
while(qi && !(qi&0x8000)){ /* checks for 0.0xxxxxxxxxxxxxxx or less*/
qi<<=1; qexp--;
}
amp=vorbis_fromdBlook_i(ampi* /* n.4 */
vorbis_invsqlook_i(qi,qexp)-
/* m.8, m+n<=8 */
ampoffseti); /* 8.12[0] */
curve[i]*=amp;
while(map[++i]==k)curve[i]*=amp;
}
}
#else
/* old, nonoptimized but simple version for any poor sap who needs to
figure out what the hell this code does, or wants the other
fraction of a dB precision */
/* side effect: changes *lsp to cosines of lsp */
void vorbis_lsp_to_curve(float *curve,int *map,int n,int ln,float *lsp,int m,
float amp,float ampoffset){
int i;
float wdel=M_PI/ln;
for(i=0;i= i; j--) {
g[j-2] -= g[j];
g[j] += g[j];
}
}
}
static int comp(const void *a,const void *b){
return (*(float *)a<*(float *)b)-(*(float *)a>*(float *)b);
}
/* Newton-Raphson-Maehly actually functioned as a decent root finder,
but there are root sets for which it gets into limit cycles
(exacerbated by zero suppression) and fails. We can't afford to
fail, even if the failure is 1 in 100,000,000, so we now use
Laguerre and later polish with Newton-Raphson (which can then
afford to fail) */
#define EPSILON 10e-7
static int Laguerre_With_Deflation(float *a,int ord,float *r){
int i,m;
double *defl=alloca(sizeof(*defl)*(ord+1));
for(i=0;i<=ord;i++)defl[i]=a[i];
for(m=ord;m>0;m--){
double new=0.f,delta;
/* iterate a root */
while(1){
double p=defl[m],pp=0.f,ppp=0.f,denom;
/* eval the polynomial and its first two derivatives */
for(i=m;i>0;i--){
ppp = new*ppp + pp;
pp = new*pp + p;
p = new*p + defl[i-1];
}
/* Laguerre's method */
denom=(m-1) * ((m-1)*pp*pp - m*p*ppp);
if(denom<0)
return(-1); /* complex root! The LPC generator handed us a bad filter */
if(pp>0){
denom = pp + sqrt(denom);
if(denom-(EPSILON))denom=-(EPSILON);
}
delta = m*p/denom;
new -= delta;
if(delta<0.f)delta*=-1;
if(fabs(delta/new)<10e-12)break;
}
r[m-1]=new;
/* forward deflation */
for(i=m;i>0;i--)
defl[i-1]+=new*defl[i];
defl++;
}
return(0);
}
/* for spit-and-polish only */
static int Newton_Raphson(float *a,int ord,float *r){
int i, k, count=0;
double error=1.f;
double *root=alloca(ord*sizeof(*root));
for(i=0; i1e-20){
error=0;
for(i=0; i= 0; k--) {
pp= pp* rooti + p;
p = p * rooti + a[k];
}
delta = p/pp;
root[i] -= delta;
error+= delta*delta;
}
if(count>40)return(-1);
count++;
}
/* Replaced the original bubble sort with a real sort. With your
help, we can eliminate the bubble sort in our lifetime. --Monty */
for(i=0; i>1;
int g1_order,g2_order;
float *g1=alloca(sizeof(*g1)*(order2+1));
float *g2=alloca(sizeof(*g2)*(order2+1));
float *g1r=alloca(sizeof(*g1r)*(order2+1));
float *g2r=alloca(sizeof(*g2r)*(order2+1));
int i;
/* even and odd are slightly different base cases */
g1_order=(m+1)>>1;
g2_order=(m) >>1;
/* Compute the lengths of the x polynomials. */
/* Compute the first half of K & R F1 & F2 polynomials. */
/* Compute half of the symmetric and antisymmetric polynomials. */
/* Remove the roots at +1 and -1. */
g1[g1_order] = 1.f;
for(i=1;i<=g1_order;i++) g1[g1_order-i] = lpc[i-1]+lpc[m-i];
g2[g2_order] = 1.f;
for(i=1;i<=g2_order;i++) g2[g2_order-i] = lpc[i-1]-lpc[m-i];
if(g1_order>g2_order){
for(i=2; i<=g2_order;i++) g2[g2_order-i] += g2[g2_order-i+2];
}else{
for(i=1; i<=g1_order;i++) g1[g1_order-i] -= g1[g1_order-i+1];
for(i=1; i<=g2_order;i++) g2[g2_order-i] += g2[g2_order-i+1];
}
/* Convert into polynomials in cos(alpha) */
cheby(g1,g1_order);
cheby(g2,g2_order);
/* Find the roots of the 2 even polynomials.*/
if(Laguerre_With_Deflation(g1,g1_order,g1r) ||
Laguerre_With_Deflation(g2,g2_order,g2r))
return(-1);
Newton_Raphson(g1,g1_order,g1r); /* if it fails, it leaves g1r alone */
Newton_Raphson(g2,g2_order,g2r); /* if it fails, it leaves g2r alone */
qsort(g1r,g1_order,sizeof(*g1r),comp);
qsort(g2r,g2_order,sizeof(*g2r),comp);
for(i=0;i
#include
#include
#include
#include "vorbis/codec.h"
#include "codec_internal.h"
#include "os.h"
#include "misc.h"
#include "psy.h"
#include "mdct.h"
#include "smallft.h"
#include "window.h"
#include "scales.h"
#include "lpc.h"
#include "lsp.h"
#include "masking.h"
#include "registry.h"
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,
0,
0.,
0.,
};
static vp_part _vp_part0[]={
{ 1,9e10f, 9e10f, 1.f,9999.f},
{ 9999, .75f, 9e10f, .5f,9999.f},
/*{ 9999, 1.5f, 9e10f, .5f,9999.f},*/
{ 18,9e10f, 9e10f, .5f, 30.f},
{ 9999,9e10f, 9e10f, .5f, 30.f}
};
static vp_couple _vp_couple0[]={
{ 1, {9e10f,9e10f,0}, { 0.f, 0.f,0}, { 0.f, 0.f,0}, {0.f,0.f,0}},
{ 18, {9e10f,9e10f,0}, { 0.f, 0.f,0}, { 0.f, 0.f,0}, {0.f,0.f,0}},
{ 9999, {9e10f,9e10f,0}, { 0.f, 9e10f,0}, { 0.f,22.f,1}, {0.f,0.f,0}}
};
static vorbis_info_psy _psy_set0={
ATH_Bark_dB_lineaggressive,
-100.f,
-140.f,
6.f, /* floor master att */
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 */
/* x: 63 88 125 175 250 350 500 700 1k 1.4k 2k 2.8k 4k 5.6k 8k 11.5k 16k Hz */
/* y: 0 10 20 30 40 50 60 70 80 90 100 dB */
1, /* tonemaskp */
0.f, /* tone master att */
/* 0 10 20 30 40 50 60 70 80 90 100 */
{
{-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f}, /*63*/
{-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f}, /*88*/
{-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f}, /*125*/
{-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*175*/
{-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*250*/
{-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*350*/
{-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*500*/
{-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*700*/
{-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*1000*/
{-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*1400*/
{-40.f,-40.f,-40.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*2000*/
{-40.f,-40.f,-40.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*2800*/
{-40.f,-40.f,-40.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*4000*/
{-30.f,-35.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*5600*/
{-30.f,-30.f,-33.f,-35.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*8000*/
{-30.f,-30.f,-33.f,-35.f,-40.f,-45.f,-50.f,-60.f,-70.f,-85.f,-100.f}, /*11500*/
{-24.f,-24.f,-26.f,-32.f,-32.f,-42.f,-50.f,-60.f,-70.f,-85.f,-100.f}, /*16000*/
},
1,/* peakattp */
{{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*63*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*88*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*125*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*175*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*250*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*350*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*500*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*700*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*1000*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*1400*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*2000*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*2800*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*4000*/
{-10.f,-12.f,-14.f,-16.f,-16.f,-20.f,-24.f,-30.f,-32.f,-40.f,-40.f},/*5600*/
{-10.f,-12.f,-14.f,-16.f,-16.f,-20.f,-24.f,-30.f,-32.f,-40.f,-40.f},/*8000*/
{-10.f,-10.f,-10.f,-12.f,-14.f,-18.f,-22.f,-28.f,-32.f,-40.f,-40.f},/*11500*/
{-10.f,-10.f,-10.f,-12.f,-14.f,-18.f,-22.f,-28.f,-32.f,-40.f,-40.f},/*16000*/
},
1,/*noisemaskp */
-10.f, /* suppress any noise curve over maxspec+n */
.5f, /* low window */
.5f, /* high window */
10,
10,
25,
{.000f, 0.f, /*63*/
.000f, 0.f, /*88*/
.000f, 0.f, /*125*/
.000f, 0.f, /*175*/
.000f, 0.f, /*250*/
.000f, 0.f, /*350*/
.000f, 0.f, /*500*/
.000f, 0.f, /*700*/
.000f, 0.f, /*1000*/
.300f, 0.f, /*1400*/
.300f, 0.f, /*2000*/
.300f, 0.f, /*2800*/
.500f, 0.f, /*4000*/
.700f, 0.f, /*5600*/
.850f, 0.f, /*8000*/
.900f, 0.f, /*11500*/
.900f, 1.f, /*16000*/
},
95.f, /* even decade + 5 is important; saves an rint() later in a
tight loop) */
-44.,
32,
_vp_part0,_vp_couple0
};
static vorbis_info_floor1 _floor_set0={1,
{0},
{32},
{0},
{0},
{{-1}},
2,
{0,1024,
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,
329,282,387, 672,553,825
},
60,30,400,
20,8,1,18.,
20,600,
960};
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,
{NULL},
{0},{&mapping_info},
{0},{NULL},
{1},{&_floor_set0},
{2},{NULL},
{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){
int j;
FILE *of;
char buffer[80];
sprintf(buffer,"%s_%d.m",base,i);
of=fopen(buffer,"w");
for(j=0;jlook(NULL,NULL,&_floor_set0);
/* 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);
analysis("window",0,window,framesize,0,0);
fprintf(stderr,"Processing for frame size %d...\n",framesize);
while(!eos){
long bytes=fread(buffer2,1,framesize*2,stdin);
if(bytes>1]=todB(&temp);
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;jforward(&vb,floor_look,
mdct,
logmdct,
mask,
logmax,
flr[i]);
}
_vp_remove_floor(&p_look,
pg_look,
logmdct,
mdct,
flr[i],
pcm[i],
local_ampmax[i]);
for(j=0;j1500)
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);
}
/* residue prequantization */
_vp_partition_prequant(&p_look,
&vi,
pcm,
nonzero);
for(i=0;i<2;i++)
analysis("quant",frameno+i,pcm[i],framesize/2,1,0);
/* channel coupling / stereo quantization */
_vp_couple(&p_look,
&mapping_info,
pcm,
nonzero);
for(i=0;i<2;i++)
analysis("coupled",frameno+i,pcm[i],framesize/2,1,0);
/* decoupling */
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;j0)
if(ang>0){
pcmM[j]=mag;
pcmA[j]=mag-ang;
}else{
pcmA[j]=mag;
pcmM[j]=mag+ang;
}
else
if(ang>0){
pcmM[j]=mag;
pcmA[j]=mag+ang;
}else{
pcmA[j]=mag;
pcmM[j]=mag-ang;
}
}
}
for(i=0;i<2;i++)
analysis("decoupled",frameno+i,pcm[i],framesize/2,1,0);
for(i=0;i<2;i++){
float amp;
for(j=0;j32767){
if(!flag)fprintf(stderr,"clipping in frame %ld ",frameno+i);
flag=1;
val=32767;
}
if(val<-32768){
if(!flag)fprintf(stderr,"clipping in frame %ld ",frameno+i);
flag=1;
val=-32768;
}
ptr[0]=val&0xff;
ptr[1]=(val>>8)&0xff;
ptr+=4;
}
}
fprintf(stderr,"*");
fwrite(buffer,1,framesize*2,stdout);
memmove(buffer,buffer2,framesize*2);
for(i=0;i<2;i++){
for(j=0,k=framesize/2;j header packets
********************************************************************/
/* general handling of the header and the vorbis_info structure (and
substructures) */
#include
#include
#include
#include "vorbis/codec.h"
#include "codec_internal.h"
#include "codebook.h"
#include "registry.h"
#include "window.h"
#include "psy.h"
#include "misc.h"
#include "os.h"
#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){
while(bytes--){
oggpack_write(o,*s++,8);
}
}
static void _v_readstring(oggpack_buffer *o,char *buf,int bytes){
while(bytes--){
*buf++=oggpack_read(o,8);
}
}
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));
}
void vorbis_comment_add(vorbis_comment *vc,const char *comment){
vc->user_comments=_ogg_realloc(vc->user_comments,
(vc->comments+2)*sizeof(*vc->user_comments));
vc->comment_lengths=_ogg_realloc(vc->comment_lengths,
(vc->comments+2)*sizeof(*vc->comment_lengths));
vc->comment_lengths[vc->comments]=strlen(comment);
vc->user_comments[vc->comments]=_ogg_malloc(vc->comment_lengths[vc->comments]+1);
strcpy(vc->user_comments[vc->comments], comment);
vc->comments++;
vc->user_comments[vc->comments]=NULL;
}
void vorbis_comment_add_tag(vorbis_comment *vc, const char *tag, const char *contents){
/* 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);
_ogg_free(comment);
}
/* This is more or less the same as strncasecmp - but that doesn't exist
* everywhere, and this is a fairly trivial function, so we include it */
static int tagcompare(const char *s1, const char *s2, int n){
int c=0;
while(c < n){
if(_v_toupper(s1[c]) != _v_toupper(s2[c]))
return !0;
c++;
}
return 0;
}
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 = _ogg_malloc(taglen+1);
strcpy(fulltag, tag);
strcat(fulltag, "=");
for(i=0;icomments;i++){
if(!tagcompare(vc->user_comments[i], fulltag, taglen)){
if(count == found) {
/* We return a pointer to the data, not a copy */
_ogg_free(fulltag);
return vc->user_comments[i] + taglen;
} else {
found++;
}
}
}
_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 = _ogg_malloc(taglen+1);
strcpy(fulltag,tag);
strcat(fulltag, "=");
for(i=0;icomments;i++){
if(!tagcompare(vc->user_comments[i], fulltag, taglen))
count++;
}
_ogg_free(fulltag);
return count;
}
void vorbis_comment_clear(vorbis_comment *vc){
if(vc){
long i;
if(vc->user_comments){
for(i=0;icomments;i++)
if(vc->user_comments[i])_ogg_free(vc->user_comments[i]);
_ogg_free(vc->user_comments);
}
if(vc->comment_lengths)_ogg_free(vc->comment_lengths);
if(vc->vendor)_ogg_free(vc->vendor);
memset(vc,0,sizeof(*vc));
}
}
/* blocksize 0 is guaranteed to be short, 1 is guaranteed to be long.
They may be equal, but short will never ge greater than long */
int vorbis_info_blocksize(vorbis_info *vi,int zo){
codec_setup_info *ci = vi->codec_setup;
return ci ? ci->blocksizes[zo] : -1;
}
/* used by synthesis, which has a full, alloced vi */
void vorbis_info_init(vorbis_info *vi){
memset(vi,0,sizeof(*vi));
vi->codec_setup=_ogg_calloc(1,sizeof(codec_setup_info));
}
void vorbis_info_clear(vorbis_info *vi){
codec_setup_info *ci=vi->codec_setup;
int i;
if(ci){
for(i=0;imodes;i++)
if(ci->mode_param[i])_ogg_free(ci->mode_param[i]);
for(i=0;imaps;i++) /* unpack does the range checking */
if(ci->map_param[i]) /* this may be cleaning up an aborted
unpack, in which case the below type
cannot be trusted */
_mapping_P[ci->map_type[i]]->free_info(ci->map_param[i]);
for(i=0;ifloors;i++) /* unpack does the range checking */
if(ci->floor_param[i]) /* this may be cleaning up an aborted
unpack, in which case the below type
cannot be trusted */
_floor_P[ci->floor_type[i]]->free_info(ci->floor_param[i]);
for(i=0;iresidues;i++) /* unpack does the range checking */
if(ci->residue_param[i]) /* this may be cleaning up an aborted
unpack, in which case the below type
cannot be trusted */
_residue_P[ci->residue_type[i]]->free_info(ci->residue_param[i]);
for(i=0;ibooks;i++){
if(ci->book_param[i]){
/* knows if the book was not alloced */
vorbis_staticbook_destroy(ci->book_param[i]);
}
if(ci->fullbooks)
vorbis_book_clear(ci->fullbooks+i);
}
if(ci->fullbooks)
_ogg_free(ci->fullbooks);
for(i=0;ipsys;i++)
_vi_psy_free(ci->psy_param[i]);
_ogg_free(ci);
}
memset(vi,0,sizeof(*vi));
}
/* Header packing/unpacking ********************************************/
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);
if(vi->version!=0)return(OV_EVERSION);
vi->channels=oggpack_read(opb,8);
vi->rate=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);
bs = oggpack_read(opb,4);
if(bs<0)goto err_out;
ci->blocksizes[0]=1<blocksizes[1]=1<rate<1)goto err_out;
if(vi->channels<1)goto err_out;
if(ci->blocksizes[0]<64)goto err_out;
if(ci->blocksizes[1]blocksizes[0])goto err_out;
if(ci->blocksizes[1]>8192)goto err_out;
if(oggpack_read(opb,1)!=1)goto err_out; /* EOP check */
return(0);
err_out:
vorbis_info_clear(vi);
return(OV_EBADHEADER);
}
static int _vorbis_unpack_comment(vorbis_comment *vc,oggpack_buffer *opb){
int i;
int vendorlen=oggpack_read(opb,32);
if(vendorlen<0)goto err_out;
if(vendorlen>opb->storage-8)goto err_out;
vc->vendor=_ogg_calloc(vendorlen+1,1);
_v_readstring(opb,vc->vendor,vendorlen);
i=oggpack_read(opb,32);
if(i<0)goto err_out;
if(i>((opb->storage-oggpack_bytes(opb))>>2))goto err_out;
vc->comments=i;
vc->user_comments=_ogg_calloc(vc->comments+1,sizeof(*vc->user_comments));
vc->comment_lengths=_ogg_calloc(vc->comments+1, sizeof(*vc->comment_lengths));
for(i=0;icomments;i++){
int len=oggpack_read(opb,32);
if(len<0)goto err_out;
if(len>opb->storage-oggpack_bytes(opb))goto err_out;
vc->comment_lengths[i]=len;
vc->user_comments[i]=_ogg_calloc(len+1,1);
_v_readstring(opb,vc->user_comments[i],len);
}
if(oggpack_read(opb,1)!=1)goto err_out; /* EOP check */
return(0);
err_out:
vorbis_comment_clear(vc);
return(OV_EBADHEADER);
}
/* all of the real encoding details are here. The modes, books,
everything */
static int _vorbis_unpack_books(vorbis_info *vi,oggpack_buffer *opb){
codec_setup_info *ci=vi->codec_setup;
int i;
/* codebooks */
ci->books=oggpack_read(opb,8)+1;
if(ci->books<=0)goto err_out;
for(i=0;ibooks;i++){
ci->book_param[i]=vorbis_staticbook_unpack(opb);
if(!ci->book_param[i])goto err_out;
}
/* time backend settings; hooks are unused */
{
int times=oggpack_read(opb,6)+1;
if(times<=0)goto err_out;
for(i=0;i=VI_TIMEB)goto err_out;
}
}
/* floor backend settings */
ci->floors=oggpack_read(opb,6)+1;
if(ci->floors<=0)goto err_out;
for(i=0;ifloors;i++){
ci->floor_type[i]=oggpack_read(opb,16);
if(ci->floor_type[i]<0 || ci->floor_type[i]>=VI_FLOORB)goto err_out;
ci->floor_param[i]=_floor_P[ci->floor_type[i]]->unpack(vi,opb);
if(!ci->floor_param[i])goto err_out;
}
/* residue backend settings */
ci->residues=oggpack_read(opb,6)+1;
if(ci->residues<=0)goto err_out;
for(i=0;iresidues;i++){
ci->residue_type[i]=oggpack_read(opb,16);
if(ci->residue_type[i]<0 || ci->residue_type[i]>=VI_RESB)goto err_out;
ci->residue_param[i]=_residue_P[ci->residue_type[i]]->unpack(vi,opb);
if(!ci->residue_param[i])goto err_out;
}
/* map backend settings */
ci->maps=oggpack_read(opb,6)+1;
if(ci->maps<=0)goto err_out;
for(i=0;imaps;i++){
ci->map_type[i]=oggpack_read(opb,16);
if(ci->map_type[i]<0 || ci->map_type[i]>=VI_MAPB)goto err_out;
ci->map_param[i]=_mapping_P[ci->map_type[i]]->unpack(vi,opb);
if(!ci->map_param[i])goto err_out;
}
/* mode settings */
ci->modes=oggpack_read(opb,6)+1;
if(ci->modes<=0)goto err_out;
for(i=0;imodes;i++){
ci->mode_param[i]=_ogg_calloc(1,sizeof(*ci->mode_param[i]));
ci->mode_param[i]->blockflag=oggpack_read(opb,1);
ci->mode_param[i]->windowtype=oggpack_read(opb,16);
ci->mode_param[i]->transformtype=oggpack_read(opb,16);
ci->mode_param[i]->mapping=oggpack_read(opb,8);
if(ci->mode_param[i]->windowtype>=VI_WINDOWB)goto err_out;
if(ci->mode_param[i]->transformtype>=VI_WINDOWB)goto err_out;
if(ci->mode_param[i]->mapping>=ci->maps)goto err_out;
if(ci->mode_param[i]->mapping<0)goto err_out;
}
if(oggpack_read(opb,1)!=1)goto err_out; /* top level EOP check */
return(0);
err_out:
vorbis_info_clear(vi);
return(OV_EBADHEADER);
}
/* Is this packet a vorbis ID header? */
int vorbis_synthesis_idheader(ogg_packet *op){
oggpack_buffer opb;
char buffer[6];
if(op){
oggpack_readinit(&opb,op->packet,op->bytes);
if(!op->b_o_s)
return(0); /* Not the initial packet */
if(oggpack_read(&opb,8) != 1)
return 0; /* not an ID header */
memset(buffer,0,6);
_v_readstring(&opb,buffer,6);
if(memcmp(buffer,"vorbis",6))
return 0; /* not vorbis */
return 1;
}
return 0;
}
/* The Vorbis header is in three packets; the initial small packet in
the first page that identifies basic parameters, a second packet
with bitstream comments and a third packet that holds the
codebook. */
int vorbis_synthesis_headerin(vorbis_info *vi,vorbis_comment *vc,ogg_packet *op){
oggpack_buffer opb;
if(op){
oggpack_readinit(&opb,op->packet,op->bytes);
/* Which of the three types of header is this? */
/* Also verify header-ness, vorbis */
{
char buffer[6];
int packtype=oggpack_read(&opb,8);
memset(buffer,0,6);
_v_readstring(&opb,buffer,6);
if(memcmp(buffer,"vorbis",6)){
/* not a vorbis header */
return(OV_ENOTVORBIS);
}
switch(packtype){
case 0x01: /* least significant *bit* is read first */
if(!op->b_o_s){
/* Not the initial packet */
return(OV_EBADHEADER);
}
if(vi->rate!=0){
/* previously initialized info header */
return(OV_EBADHEADER);
}
return(_vorbis_unpack_info(vi,&opb));
case 0x03: /* least significant *bit* is read first */
if(vi->rate==0){
/* um... we didn't get the initial header */
return(OV_EBADHEADER);
}
if(vc->vendor!=NULL){
/* previously initialized comment header */
return(OV_EBADHEADER);
}
return(_vorbis_unpack_comment(vc,&opb));
case 0x05: /* least significant *bit* is read first */
if(vi->rate==0 || vc->vendor==NULL){
/* um... we didn;t get the initial header or comments yet */
return(OV_EBADHEADER);
}
if(vi->codec_setup==NULL){
/* improperly initialized vorbis_info */
return(OV_EFAULT);
}
if(((codec_setup_info *)vi->codec_setup)->books>0){
/* previously initialized setup header */
return(OV_EBADHEADER);
}
return(_vorbis_unpack_books(vi,&opb));
default:
/* Not a valid vorbis header type */
return(OV_EBADHEADER);
break;
}
}
}
return(OV_EBADHEADER);
}
/* pack side **********************************************************/
static int _vorbis_pack_info(oggpack_buffer *opb,vorbis_info *vi){
codec_setup_info *ci=vi->codec_setup;
if(!ci||
ci->blocksizes[0]<64||
ci->blocksizes[1]blocksizes[0]){
return(OV_EFAULT);
}
/* preamble */
oggpack_write(opb,0x01,8);
_v_writestring(opb,"vorbis", 6);
/* basic information about the stream */
oggpack_write(opb,0x00,32);
oggpack_write(opb,vi->channels,8);
oggpack_write(opb,vi->rate,32);
oggpack_write(opb,vi->bitrate_upper,32);
oggpack_write(opb,vi->bitrate_nominal,32);
oggpack_write(opb,vi->bitrate_lower,32);
oggpack_write(opb,ov_ilog(ci->blocksizes[0]-1),4);
oggpack_write(opb,ov_ilog(ci->blocksizes[1]-1),4);
oggpack_write(opb,1,1);
return(0);
}
static int _vorbis_pack_comment(oggpack_buffer *opb,vorbis_comment *vc){
int bytes = strlen(ENCODE_VENDOR_STRING);
/* preamble */
oggpack_write(opb,0x03,8);
_v_writestring(opb,"vorbis", 6);
/* vendor */
oggpack_write(opb,bytes,32);
_v_writestring(opb,ENCODE_VENDOR_STRING, bytes);
/* comments */
oggpack_write(opb,vc->comments,32);
if(vc->comments){
int i;
for(i=0;icomments;i++){
if(vc->user_comments[i]){
oggpack_write(opb,vc->comment_lengths[i],32);
_v_writestring(opb,vc->user_comments[i], vc->comment_lengths[i]);
}else{
oggpack_write(opb,0,32);
}
}
}
oggpack_write(opb,1,1);
return(0);
}
static int _vorbis_pack_books(oggpack_buffer *opb,vorbis_info *vi){
codec_setup_info *ci=vi->codec_setup;
int i;
if(!ci)return(OV_EFAULT);
oggpack_write(opb,0x05,8);
_v_writestring(opb,"vorbis", 6);
/* books */
oggpack_write(opb,ci->books-1,8);
for(i=0;ibooks;i++)
if(vorbis_staticbook_pack(ci->book_param[i],opb))goto err_out;
/* times; hook placeholders */
oggpack_write(opb,0,6);
oggpack_write(opb,0,16);
/* floors */
oggpack_write(opb,ci->floors-1,6);
for(i=0;ifloors;i++){
oggpack_write(opb,ci->floor_type[i],16);
if(_floor_P[ci->floor_type[i]]->pack)
_floor_P[ci->floor_type[i]]->pack(ci->floor_param[i],opb);
else
goto err_out;
}
/* residues */
oggpack_write(opb,ci->residues-1,6);
for(i=0;iresidues;i++){
oggpack_write(opb,ci->residue_type[i],16);
_residue_P[ci->residue_type[i]]->pack(ci->residue_param[i],opb);
}
/* maps */
oggpack_write(opb,ci->maps-1,6);
for(i=0;imaps;i++){
oggpack_write(opb,ci->map_type[i],16);
_mapping_P[ci->map_type[i]]->pack(vi,ci->map_param[i],opb);
}
/* modes */
oggpack_write(opb,ci->modes-1,6);
for(i=0;imodes;i++){
oggpack_write(opb,ci->mode_param[i]->blockflag,1);
oggpack_write(opb,ci->mode_param[i]->windowtype,16);
oggpack_write(opb,ci->mode_param[i]->transformtype,16);
oggpack_write(opb,ci->mode_param[i]->mapping,8);
}
oggpack_write(opb,1,1);
return(0);
err_out:
return(-1);
}
int vorbis_commentheader_out(vorbis_comment *vc,
ogg_packet *op){
oggpack_buffer opb;
oggpack_writeinit(&opb);
if(_vorbis_pack_comment(&opb,vc)){
oggpack_writeclear(&opb);
return OV_EIMPL;
}
op->packet = _ogg_malloc(oggpack_bytes(&opb));
memcpy(op->packet, opb.buffer, oggpack_bytes(&opb));
op->bytes=oggpack_bytes(&opb);
op->b_o_s=0;
op->e_o_s=0;
op->granulepos=0;
op->packetno=1;
oggpack_writeclear(&opb);
return 0;
}
int vorbis_analysis_headerout(vorbis_dsp_state *v,
vorbis_comment *vc,
ogg_packet *op,
ogg_packet *op_comm,
ogg_packet *op_code){
int ret=OV_EIMPL;
vorbis_info *vi=v->vi;
oggpack_buffer opb;
private_state *b=v->backend_state;
if(!b||vi->channels<=0||vi->channels>256){
b = NULL;
ret=OV_EFAULT;
goto err_out;
}
/* first header packet **********************************************/
oggpack_writeinit(&opb);
if(_vorbis_pack_info(&opb,vi))goto err_out;
/* build the packet */
if(b->header)_ogg_free(b->header);
b->header=_ogg_malloc(oggpack_bytes(&opb));
memcpy(b->header,opb.buffer,oggpack_bytes(&opb));
op->packet=b->header;
op->bytes=oggpack_bytes(&opb);
op->b_o_s=1;
op->e_o_s=0;
op->granulepos=0;
op->packetno=0;
/* second header packet (comments) **********************************/
oggpack_reset(&opb);
if(_vorbis_pack_comment(&opb,vc))goto err_out;
if(b->header1)_ogg_free(b->header1);
b->header1=_ogg_malloc(oggpack_bytes(&opb));
memcpy(b->header1,opb.buffer,oggpack_bytes(&opb));
op_comm->packet=b->header1;
op_comm->bytes=oggpack_bytes(&opb);
op_comm->b_o_s=0;
op_comm->e_o_s=0;
op_comm->granulepos=0;
op_comm->packetno=1;
/* third header packet (modes/codebooks) ****************************/
oggpack_reset(&opb);
if(_vorbis_pack_books(&opb,vi))goto err_out;
if(b->header2)_ogg_free(b->header2);
b->header2=_ogg_malloc(oggpack_bytes(&opb));
memcpy(b->header2,opb.buffer,oggpack_bytes(&opb));
op_code->packet=b->header2;
op_code->bytes=oggpack_bytes(&opb);
op_code->b_o_s=0;
op_code->e_o_s=0;
op_code->granulepos=0;
op_code->packetno=2;
oggpack_writeclear(&opb);
return(0);
err_out:
memset(op,0,sizeof(*op));
memset(op_comm,0,sizeof(*op_comm));
memset(op_code,0,sizeof(*op_code));
if(b){
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);
b->header=NULL;
b->header1=NULL;
b->header2=NULL;
}
return(ret);
}
double vorbis_granule_time(vorbis_dsp_state *v,ogg_int64_t granulepos){
if(granulepos == -1) return -1;
/* We're not guaranteed a 64 bit unsigned type everywhere, so we
have to put the unsigned granpo in a signed type. */
if(granulepos>=0){
return((double)granulepos/v->vi->rate);
}else{
ogg_int64_t granuleoff=0xffffffff;
granuleoff<<=31;
granuleoff|=0x7ffffffff;
return(((double)granulepos+2+granuleoff+granuleoff)/v->vi->rate);
}
}
const char *vorbis_version_string(void){
return GENERAL_VENDOR_STRING;
}
libvorbis-1.3.7/lib/psy.h 0000644 0001750 0001750 00000011024 13677655474 012216 0000000 0000000 /********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: random psychoacoustics (not including preecho)
********************************************************************/
#ifndef _V_PSY_H_
#define _V_PSY_H_
#include "smallft.h"
#include "backends.h"
#include "envelope.h"
#ifndef EHMER_MAX
#define EHMER_MAX 56
#endif
/* psychoacoustic setup ********************************************/
#define P_BANDS 17 /* 62Hz to 16kHz */
#define P_LEVELS 8 /* 30dB to 100dB */
#define P_LEVEL_0 30. /* 30 dB */
#define P_NOISECURVES 3
#define NOISE_COMPAND_LEVELS 40
typedef struct vorbis_info_psy{
int blockflag;
float ath_adjatt;
float ath_maxatt;
float tone_masteratt[P_NOISECURVES];
float tone_centerboost;
float tone_decay;
float tone_abs_limit;
float toneatt[P_BANDS];
int noisemaskp;
float noisemaxsupp;
float noisewindowlo;
float noisewindowhi;
int noisewindowlomin;
int noisewindowhimin;
int noisewindowfixed;
float noiseoff[P_NOISECURVES][P_BANDS];
float noisecompand[NOISE_COMPAND_LEVELS];
float max_curve_dB;
int normal_p;
int normal_start;
int normal_partition;
double normal_thresh;
} vorbis_info_psy;
typedef struct{
int eighth_octave_lines;
/* for block long/short tuning; encode only */
float preecho_thresh[VE_BANDS];
float postecho_thresh[VE_BANDS];
float stretch_penalty;
float preecho_minenergy;
float ampmax_att_per_sec;
/* channel coupling config */
int coupling_pkHz[PACKETBLOBS];
int coupling_pointlimit[2][PACKETBLOBS];
int coupling_prepointamp[PACKETBLOBS];
int coupling_postpointamp[PACKETBLOBS];
int sliding_lowpass[2][PACKETBLOBS];
} vorbis_info_psy_global;
typedef struct {
float ampmax;
int channels;
vorbis_info_psy_global *gi;
int coupling_pointlimit[2][P_NOISECURVES];
} vorbis_look_psy_global;
typedef struct {
int n;
struct vorbis_info_psy *vi;
float ***tonecurves;
float **noiseoffset;
float *ath;
long *octave; /* in n.ocshift format */
long *bark;
long firstoc;
long shiftoc;
int eighth_octave_lines; /* power of two, please */
int total_octave_lines;
long rate; /* cache it */
float m_val; /* Masking compensation value */
} vorbis_look_psy;
extern void _vp_psy_init(vorbis_look_psy *p,vorbis_info_psy *vi,
vorbis_info_psy_global *gi,int n,long rate);
extern void _vp_psy_clear(vorbis_look_psy *p);
extern void *_vi_psy_dup(void *source);
extern void _vi_psy_free(vorbis_info_psy *i);
extern vorbis_info_psy *_vi_psy_copy(vorbis_info_psy *i);
extern void _vp_noisemask(vorbis_look_psy *p,
float *logmdct,
float *logmask);
extern void _vp_tonemask(vorbis_look_psy *p,
float *logfft,
float *logmask,
float global_specmax,
float local_specmax);
extern void _vp_offset_and_mix(vorbis_look_psy *p,
float *noise,
float *tone,
int offset_select,
float *logmask,
float *mdct,
float *logmdct);
extern float _vp_ampmax_decay(float amp,vorbis_dsp_state *vd);
extern void _vp_couple_quantize_normalize(int blobno,
vorbis_info_psy_global *g,
vorbis_look_psy *p,
vorbis_info_mapping0 *vi,
float **mdct,
int **iwork,
int *nonzero,
int sliding_lowpass,
int ch);
#endif
libvorbis-1.3.7/lib/Makefile.am 0000644 0001750 0001750 00000003606 13636150013 013243 0000000 0000000 ## Process this file with automake to produce Makefile.in
SUBDIRS = modes books
AM_CPPFLAGS = -I$(top_srcdir)/include @OGG_CFLAGS@
lib_LTLIBRARIES = libvorbis.la libvorbisfile.la libvorbisenc.la
libvorbis_la_SOURCES = mdct.c smallft.c block.c envelope.c window.c lsp.c \
lpc.c analysis.c synthesis.c psy.c info.c \
floor1.c floor0.c\
res0.c mapping0.c registry.c codebook.c sharedbook.c\
lookup.c bitrate.c\
envelope.h lpc.h lsp.h codebook.h misc.h psy.h\
masking.h os.h mdct.h smallft.h highlevel.h\
registry.h scales.h window.h lookup.h lookup_data.h\
codec_internal.h backends.h bitrate.h
libvorbis_la_LDFLAGS = -no-undefined -version-info @V_LIB_CURRENT@:@V_LIB_REVISION@:@V_LIB_AGE@
libvorbis_la_LIBADD = @VORBIS_LIBS@ @OGG_LIBS@
libvorbisfile_la_SOURCES = vorbisfile.c
libvorbisfile_la_LDFLAGS = -no-undefined -version-info @VF_LIB_CURRENT@:@VF_LIB_REVISION@:@VF_LIB_AGE@
libvorbisfile_la_LIBADD = libvorbis.la @OGG_LIBS@
libvorbisenc_la_SOURCES = vorbisenc.c
libvorbisenc_la_LDFLAGS = -no-undefined -version-info @VE_LIB_CURRENT@:@VE_LIB_REVISION@:@VE_LIB_AGE@
libvorbisenc_la_LIBADD = libvorbis.la @OGG_LIBS@
EXTRA_PROGRAMS = barkmel tone psytune
CLEANFILES = $(EXTRA_PROGRAMS)
barkmel_SOURCES = barkmel.c
tone_SOURCES = tone.c
psytune_SOURCES = psytune.c
psytune_LDFLAGS = -static
psytune_LDADD = libvorbis.la
EXTRA_DIST = lookups.pl CMakeLists.txt
# build and run the self tests on 'make check'
#vorbis_selftests = test_codebook test_sharedbook
vorbis_selftests = test_sharedbook
noinst_PROGRAMS = $(vorbis_selftests)
check: $(noinst_PROGRAMS)
./test_sharedbook$(EXEEXT)
#test_codebook_SOURCES = codebook.c
#test_codebook_CFLAGS = -D_V_SELFTEST
test_sharedbook_SOURCES = sharedbook.c
test_sharedbook_CFLAGS = -D_V_SELFTEST
test_sharedbook_LDADD = @VORBIS_LIBS@
# recurse for alternate targets
debug:
$(MAKE) all CFLAGS="@DEBUG@"
profile:
$(MAKE) all CFLAGS="@PROFILE@"
libvorbis-1.3.7/lib/registry.h 0000644 0001750 0001750 00000002337 13677655474 013262 0000000 0000000 /********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: registry for time, floor, res backends and channel mappings
********************************************************************/
#ifndef _V_REG_H_
#define _V_REG_H_
#define VI_TRANSFORMB 1
#define VI_WINDOWB 1
#define VI_TIMEB 1
#define VI_FLOORB 2
#define VI_RESB 3
#define VI_MAPB 1
extern const vorbis_func_floor *const _floor_P[];
extern const vorbis_func_residue *const _residue_P[];
extern const vorbis_func_mapping *const _mapping_P[];
#endif
libvorbis-1.3.7/lib/window.c 0000644 0001750 0001750 00000373206 13677655474 012722 0000000 0000000 /********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* 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 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: window functions
********************************************************************/
#include
#include
#include "os.h"
#include "misc.h"
#include "window.h"
static const float vwin64[32] = {
0.0009460463F, 0.0085006468F, 0.0235352254F, 0.0458950567F,
0.0753351908F, 0.1115073077F, 0.1539457973F, 0.2020557475F,
0.2551056759F, 0.3122276645F, 0.3724270287F, 0.4346027792F,
0.4975789974F, 0.5601459521F, 0.6211085051F, 0.6793382689F,
0.7338252629F, 0.7837245849F, 0.8283939355F, 0.8674186656F,
0.9006222429F, 0.9280614787F, 0.9500073081F, 0.9669131782F,
0.9793740220F, 0.9880792941F, 0.9937636139F, 0.9971582668F,
0.9989462667F, 0.9997230082F, 0.9999638688F, 0.9999995525F,
};
static const float vwin128[64] = {
0.0002365472F, 0.0021280687F, 0.0059065254F, 0.0115626550F,
0.0190823442F, 0.0284463735F, 0.0396300935F, 0.0526030430F,
0.0673285281F, 0.0837631763F, 0.1018564887F, 0.1215504095F,
0.1427789367F, 0.1654677960F, 0.1895342001F, 0.2148867160F,
0.2414252576F, 0.2690412240F, 0.2976177952F, 0.3270303960F,
0.3571473350F, 0.3878306189F, 0.4189369387F, 0.4503188188F,
0.4818259135F, 0.5133064334F, 0.5446086751F, 0.5755826278F,
0.6060816248F, 0.6359640047F, 0.6650947483F, 0.6933470543F,
0.7206038179F, 0.7467589810F, 0.7717187213F, 0.7954024542F,
0.8177436264F, 0.8386902831F, 0.8582053981F, 0.8762669622F,
0.8928678298F, 0.9080153310F, 0.9217306608F, 0.9340480615F,
0.9450138200F, 0.9546851041F, 0.9631286621F, 0.9704194171F,
0.9766389810F, 0.9818741197F, 0.9862151938F, 0.9897546035F,
0.9925852598F, 0.9947991032F, 0.9964856900F, 0.9977308602F,
0.9986155015F, 0.9992144193F, 0.9995953200F, 0.9998179155F,
0.9999331503F, 0.9999825563F, 0.9999977357F, 0.9999999720F,
};
static const float vwin256[128] = {
0.0000591390F, 0.0005321979F, 0.0014780301F, 0.0028960636F,
0.0047854363F, 0.0071449926F, 0.0099732775F, 0.0132685298F,
0.0170286741F, 0.0212513119F, 0.0259337111F, 0.0310727950F,
0.0366651302F, 0.0427069140F, 0.0491939614F, 0.0561216907F,
0.0634851102F, 0.0712788035F, 0.0794969160F, 0.0881331402F,
0.0971807028F, 0.1066323515F, 0.1164803426F, 0.1267164297F,
0.1373318534F, 0.1483173323F, 0.1596630553F, 0.1713586755F,
0.1833933062F, 0.1957555184F, 0.2084333404F, 0.2214142599F,
0.2346852280F, 0.2482326664F, 0.2620424757F, 0.2761000481F,
0.2903902813F, 0.3048975959F, 0.3196059553F, 0.3344988887F,
0.3495595160F, 0.3647705766F, 0.3801144597F, 0.3955732382F,
0.4111287047F, 0.4267624093F, 0.4424557009F, 0.4581897696F,
0.4739456913F, 0.4897044744F, 0.5054471075F, 0.5211546088F,
0.5368080763F, 0.5523887395F, 0.5678780103F, 0.5832575361F,
0.5985092508F, 0.6136154277F, 0.6285587300F, 0.6433222619F,
0.6578896175F, 0.6722449294F, 0.6863729144F, 0.7002589187F,
0.7138889597F, 0.7272497662F, 0.7403288154F, 0.7531143679F,
0.7655954985F, 0.7777621249F, 0.7896050322F, 0.8011158947F,
0.8122872932F, 0.8231127294F, 0.8335866365F, 0.8437043850F,
0.8534622861F, 0.8628575905F, 0.8718884835F, 0.8805540765F,
0.8888543947F, 0.8967903616F, 0.9043637797F, 0.9115773078F,
0.9184344360F, 0.9249394562F, 0.9310974312F, 0.9369141608F,
0.9423961446F, 0.9475505439F, 0.9523851406F, 0.9569082947F,
0.9611289005F, 0.9650563408F, 0.9687004405F, 0.9720714191F,
0.9751798427F, 0.9780365753F, 0.9806527301F, 0.9830396204F,
0.9852087111F, 0.9871715701F, 0.9889398207F, 0.9905250941F,
0.9919389832F, 0.9931929973F, 0.9942985174F, 0.9952667537F,
0.9961087037F, 0.9968351119F, 0.9974564312F, 0.9979827858F,
0.9984239359F, 0.9987892441F, 0.9990876435F, 0.9993276081F,
0.9995171241F, 0.9996636648F, 0.9997741654F, 0.9998550016F,
0.9999119692F, 0.9999502656F, 0.9999744742F, 0.9999885497F,
0.9999958064F, 0.9999989077F, 0.9999998584F, 0.9999999983F,
};
static const float vwin512[256] = {
0.0000147849F, 0.0001330607F, 0.0003695946F, 0.0007243509F,
0.0011972759F, 0.0017882983F, 0.0024973285F, 0.0033242588F,
0.0042689632F, 0.0053312973F, 0.0065110982F, 0.0078081841F,
0.0092223540F, 0.0107533880F, 0.0124010466F, 0.0141650703F,
0.0160451800F, 0.0180410758F, 0.0201524373F, 0.0223789233F,
0.0247201710F, 0.0271757958F, 0.0297453914F, 0.0324285286F,
0.0352247556F, 0.0381335972F, 0.0411545545F, 0.0442871045F,
0.0475306997F, 0.0508847676F, 0.0543487103F, 0.0579219038F,
0.0616036982F, 0.0653934164F, 0.0692903546F, 0.0732937809F,
0.0774029356F, 0.0816170305F, 0.0859352485F, 0.0903567428F,
0.0948806375F, 0.0995060259F, 0.1042319712F, 0.1090575056F,
0.1139816300F, 0.1190033137F, 0.1241214941F, 0.1293350764F,
0.1346429333F, 0.1400439046F, 0.1455367974F, 0.1511203852F,
0.1567934083F, 0.1625545735F, 0.1684025537F, 0.1743359881F,
0.1803534820F, 0.1864536069F, 0.1926349000F, 0.1988958650F,
0.2052349715F, 0.2116506555F, 0.2181413191F, 0.2247053313F,
0.2313410275F, 0.2380467105F, 0.2448206500F, 0.2516610835F,
0.2585662164F, 0.2655342226F, 0.2725632448F, 0.2796513950F,
0.2867967551F, 0.2939973773F, 0.3012512852F, 0.3085564739F,
0.3159109111F, 0.3233125375F, 0.3307592680F, 0.3382489922F,
0.3457795756F, 0.3533488602F, 0.3609546657F, 0.3685947904F,
0.3762670121F, 0.3839690896F, 0.3916987634F, 0.3994537572F,
0.4072317788F, 0.4150305215F, 0.4228476653F, 0.4306808783F,
0.4385278181F, 0.4463861329F, 0.4542534630F, 0.4621274424F,
0.4700057001F, 0.4778858615F, 0.4857655502F, 0.4936423891F,
0.5015140023F, 0.5093780165F, 0.5172320626F, 0.5250737772F,
0.5329008043F, 0.5407107971F, 0.5485014192F, 0.5562703465F,
0.5640152688F, 0.5717338914F, 0.5794239366F, 0.5870831457F,
0.5947092801F, 0.6023001235F, 0.6098534829F, 0.6173671907F,
0.6248391059F, 0.6322671161F, 0.6396491384F, 0.6469831217F,
0.6542670475F, 0.6614989319F, 0.6686768267F, 0.6757988210F,
0.6828630426F, 0.6898676592F, 0.6968108799F, 0.7036909564F,
0.7105061843F, 0.7172549043F, 0.7239355032F, 0.7305464154F,
0.7370861235F, 0.7435531598F, 0.7499461068F, 0.7562635986F,
0.7625043214F, 0.7686670148F, 0.7747504721F, 0.7807535410F,
0.7866751247F, 0.7925141825F, 0.7982697296F, 0.8039408387F,
0.8095266395F, 0.8150263196F, 0.8204391248F, 0.8257643590F,
0.8310013848F, 0.8361496236F, 0.8412085555F, 0.8461777194F,
0.8510567129F, 0.8558451924F, 0.8605428730F, 0.8651495278F,
0.8696649882F, 0.8740891432F, 0.8784219392F, 0.8826633797F,
0.8868135244F, 0.8908724888F, 0.8948404441F, 0.8987176157F,
0.9025042831F, 0.9062007791F, 0.9098074886F, 0.9133248482F,
0.9167533451F, 0.9200935163F, 0.9233459472F, 0.9265112712F,
0.9295901680F, 0.9325833632F, 0.9354916263F, 0.9383157705F,
0.9410566504F, 0.9437151618F, 0.9462922398F, 0.9487888576F,
0.9512060252F, 0.9535447882F, 0.9558062262F, 0.9579914516F,
0.9601016078F, 0.9621378683F, 0.9641014348F, 0.9659935361F,
0.9678154261F, 0.9695683830F, 0.9712537071F, 0.9728727198F,
0.9744267618F, 0.9759171916F, 0.9773453842F, 0.9787127293F,
0.9800206298F, 0.9812705006F, 0.9824637665F, 0.9836018613F,
0.9846862258F, 0.9857183066F, 0.9866995544F, 0.9876314227F,
0.9885153662F, 0.9893528393F, 0.9901452948F, 0.9908941823F,
0.9916009470F, 0.9922670279F, 0.9928938570F, 0.9934828574F,
0.9940354423F, 0.9945530133F, 0.9950369595F, 0.9954886562F,
0.9959094633F, 0.9963007242F, 0.9966637649F, 0.9969998925F,
0.9973103939F, 0.9975965351F, 0.9978595598F, 0.9981006885F,
0.9983211172F, 0.9985220166F, 0.9987045311F, 0.9988697776F,
0.9990188449F, 0.9991527924F, 0.9992726499F, 0.9993794157F,
0.9994740570F, 0.9995575079F, 0.9996306699F, 0.9996944099F,
0.9997495605F, 0.9997969190F, 0.9998372465F, 0.9998712678F,
0.9998996704F, 0.9999231041F, 0.9999421807F, 0.9999574732F,
0.9999695157F, 0.9999788026F, 0.9999857885F, 0.9999908879F,
0.9999944746F, 0.9999968817F, 0.9999984010F, 0.9999992833F,
0.9999997377F, 0.9999999317F, 0.9999999911F, 0.9999999999F,
};
static const float vwin1024[512] = {
0.0000036962F, 0.0000332659F, 0.0000924041F, 0.0001811086F,
0.0002993761F, 0.0004472021F, 0.0006245811F, 0.0008315063F,
0.0010679699F, 0.0013339631F, 0.0016294757F, 0.0019544965F,
0.0023090133F, 0.0026930125F, 0.0031064797F, 0.0035493989F,
0.0040217533F, 0.0045235250F, 0.0050546946F, 0.0056152418F,
0.0062051451F, 0.0068243817F, 0.0074729278F, 0.0081507582F,
0.0088578466F, 0.0095941655F, 0.0103596863F, 0.0111543789F,
0.0119782122F, 0.0128311538F, 0.0137131701F, 0.0146242260F,
0.0155642855F, 0.0165333111F, 0.0175312640F, 0.0185581042F,
0.0196137903F, 0.0206982797F, 0.0218115284F, 0.0229534910F,
0.0241241208F, 0.0253233698F, 0.0265511886F, 0.0278075263F,
0.0290923308F, 0.0304055484F, 0.0317471241F, 0.0331170013F,
0.0345151222F, 0.0359414274F, 0.0373958560F, 0.0388783456F,
0.0403888325F, 0.0419272511F, 0.0434935347F, 0.0450876148F,
0.0467094213F, 0.0483588828F, 0.0500359261F, 0.0517404765F,
0.0534724575F, 0.0552317913F, 0.0570183983F, 0.0588321971F,
0.0606731048F, 0.0625410369F, 0.0644359070F, 0.0663576272F,
0.0683061077F, 0.0702812571F, 0.0722829821F, 0.0743111878F,
0.0763657775F, 0.0784466526F, 0.0805537129F, 0.0826868561F,
0.0848459782F, 0.0870309736F, 0.0892417345F, 0.0914781514F,
0.0937401128F, 0.0960275056F, 0.0983402145F, 0.1006781223F,
0.1030411101F, 0.1054290568F, 0.1078418397F, 0.1102793336F,
0.1127414119F, 0.1152279457F, 0.1177388042F, 0.1202738544F,
0.1228329618F, 0.1254159892F, 0.1280227980F, 0.1306532471F,
0.1333071937F, 0.1359844927F, 0.1386849970F, 0.1414085575F,
0.1441550230F, 0.1469242403F, 0.1497160539F, 0.1525303063F,
0.1553668381F, 0.1582254875F, 0.1611060909F, 0.1640084822F,
0.1669324936F, 0.1698779549F, 0.1728446939F, 0.1758325362F,
0.1788413055F, 0.1818708232F, 0.1849209084F, 0.1879913785F,
0.1910820485F, 0.1941927312F, 0.1973232376F, 0.2004733764F,
0.2036429541F, 0.2068317752F, 0.2100396421F, 0.2132663552F,
0.2165117125F, 0.2197755102F, 0.2230575422F, 0.2263576007F,
0.2296754753F, 0.2330109540F, 0.2363638225F, 0.2397338646F,
0.2431208619F, 0.2465245941F, 0.2499448389F, 0.2533813719F,
0.2568339669F, 0.2603023956F, 0.2637864277F, 0.2672858312F,
0.2708003718F, 0.2743298135F, 0.2778739186F, 0.2814324472F,
0.2850051576F, 0.2885918065F, 0.2921921485F, 0.2958059366F,
0.2994329219F, 0.3030728538F, 0.3067254799F, 0.3103905462F,
0.3140677969F, 0.3177569747F, 0.3214578205F, 0.3251700736F,
0.3288934718F, 0.3326277513F, 0.3363726468F, 0.3401278914F,
0.3438932168F, 0.3476683533F, 0.3514530297F, 0.3552469734F,
0.3590499106F, 0.3628615659F, 0.3666816630F, 0.3705099239F,
0.3743460698F, 0.3781898204F, 0.3820408945F, 0.3858990095F,
0.3897638820F, 0.3936352274F, 0.3975127601F, 0.4013961936F,
0.4052852405F, 0.4091796123F, 0.4130790198F, 0.4169831732F,
0.4208917815F, 0.4248045534F, 0.4287211965F, 0.4326414181F,
0.4365649248F, 0.4404914225F, 0.4444206167F, 0.4483522125F,
0.4522859146F, 0.4562214270F, 0.4601584538F, 0.4640966984F,
0.4680358644F, 0.4719756548F, 0.4759157726F, 0.4798559209F,
0.4837958024F, 0.4877351199F, 0.4916735765F, 0.4956108751F,
0.4995467188F, 0.5034808109F, 0.5074128550F, 0.5113425550F,
0.5152696149F, 0.5191937395F, 0.5231146336F, 0.5270320028F,
0.5309455530F, 0.5348549910F, 0.5387600239F, 0.5426603597F,
0.5465557070F, 0.5504457754F, 0.5543302752F, 0.5582089175F,
0.5620814145F, 0.5659474793F, 0.5698068262F, 0.5736591704F,
0.5775042283F, 0.5813417176F, 0.5851713571F, 0.5889928670F,
0.5928059689F, 0.5966103856F, 0.6004058415F, 0.6041920626F,
0.6079687761F, 0.6117357113F, 0.6154925986F, 0.6192391705F,
0.6229751612F, 0.6267003064F, 0.6304143441F, 0.6341170137F,
0.6378080569F, 0.6414872173F, 0.6451542405F, 0.6488088741F,
0.6524508681F, 0.6560799742F, 0.6596959469F, 0.6632985424F,
0.6668875197F, 0.6704626398F, 0.6740236662F, 0.6775703649F,
0.6811025043F, 0.6846198554F, 0.6881221916F, 0.6916092892F,
0.6950809269F, 0.6985368861F, 0.7019769510F, 0.7054009085F,
0.7088085484F, 0.7121996632F, 0.7155740484F, 0.7189315023F,
0.7222718263F, 0.7255948245F, 0.7289003043F, 0.7321880760F,
0.7354579530F, 0.7387097518F, 0.7419432921F, 0.7451583966F,
0.7483548915F, 0.7515326059F, 0.7546913723F, 0.7578310265F,
0.7609514077F, 0.7640523581F, 0.7671337237F, 0.7701953535F,
0.7732371001F, 0.7762588195F, 0.7792603711F, 0.7822416178F,
0.7852024259F, 0.7881426654F, 0.7910622097F, 0.7939609356F,
0.7968387237F, 0.7996954579F, 0.8025310261F, 0.8053453193F,
0.8081382324F, 0.8109096638F, 0.8136595156F, 0.8163876936F,
0.8190941071F, 0.8217786690F, 0.8244412960F, 0.8270819086F,
0.8297004305F, 0.8322967896F, 0.8348709171F, 0.8374227481F,
0.8399522213F, 0.8424592789F, 0.8449438672F, 0.8474059356F,
0.8498454378F, 0.8522623306F, 0.8546565748F, 0.8570281348F,
0.8593769787F, 0.8617030779F, 0.8640064080F, 0.8662869477F,
0.8685446796F, 0.8707795899F, 0.8729916682F, 0.8751809079F,
0.8773473059F, 0.8794908626F, 0.8816115819F, 0.8837094713F,
0.8857845418F, 0.8878368079F, 0.8898662874F, 0.8918730019F,
0.8938569760F, 0.8958182380F, 0.8977568194F, 0.8996727552F,
0.9015660837F, 0.9034368465F, 0.9052850885F, 0.9071108577F,
0.9089142057F, 0.9106951869F, 0.9124538591F, 0.9141902832F,
0.9159045233F, 0.9175966464F, 0.9192667228F, 0.9209148257F,
0.9225410313F, 0.9241454187F, 0.9257280701F, 0.9272890704F,
0.9288285075F, 0.9303464720F, 0.9318430576F, 0.9333183603F,
0.9347724792F, 0.9362055158F, 0.9376175745F, 0.9390087622F,
0.9403791881F, 0.9417289644F, 0.9430582055F, 0.9443670283F,
0.9456555521F, 0.9469238986F, 0.9481721917F, 0.9494005577F,
0.9506091252F, 0.9517980248F, 0.9529673894F, 0.9541173540F,
0.9552480557F, 0.9563596334F, 0.9574522282F, 0.9585259830F,
0.9595810428F, 0.9606175542F, 0.9616356656F, 0.9626355274F,
0.9636172915F, 0.9645811114F, 0.9655271425F, 0.9664555414F,
0.9673664664F, 0.9682600774F, 0.9691365355F, 0.9699960034F,
0.9708386448F, 0.9716646250F, 0.9724741103F, 0.9732672685F,
0.9740442683F, 0.9748052795F, 0.9755504729F, 0.9762800205F,
0.9769940950F, 0.9776928703F, 0.9783765210F, 0.9790452223F,
0.9796991504F, 0.9803384823F, 0.9809633954F, 0.9815740679F,
0.9821706784F, 0.9827534063F, 0.9833224312F, 0.9838779332F,
0.9844200928F, 0.9849490910F, 0.9854651087F, 0.9859683274F,
0.9864589286F, 0.9869370940F, 0.9874030054F, 0.9878568447F,
0.9882987937F, 0.9887290343F, 0.9891477481F, 0.9895551169F,
0.9899513220F, 0.9903365446F, 0.9907109658F, 0.9910747662F,
0.9914281260F, 0.9917712252F, 0.9921042433F, 0.9924273593F,
0.9927407516F, 0.9930445982F, 0.9933390763F, 0.9936243626F,
0.9939006331F, 0.9941680631F, 0.9944268269F, 0.9946770982F,
0.9949190498F, 0.9951528537F, 0.9953786808F, 0.9955967011F,
0.9958070836F, 0.9960099963F, 0.9962056061F, 0.9963940787F,
0.9965755786F, 0.9967502693F, 0.9969183129F, 0.9970798704F,
0.9972351013F, 0.9973841640F, 0.9975272151F, 0.9976644103F,
0.9977959036F, 0.9979218476F, 0.9980423932F, 0.9981576901F,
0.9982678862F, 0.9983731278F, 0.9984735596F, 0.9985693247F,
0.9986605645F, 0.9987474186F, 0.9988300248F, 0.9989085193F,
0.9989830364F, 0.9990537085F, 0.9991206662F, 0.9991840382F,
0.9992439513F, 0.9993005303F, 0.9993538982F, 0.9994041757F,
0.9994514817F, 0.9994959330F, 0.9995376444F, 0.9995767286F,
0.9996132960F, 0.9996474550F, 0.9996793121F, 0.9997089710F,
0.9997365339F, 0.9997621003F, 0.9997857677F, 0.9998076311F,
0.9998277836F, 0.9998463156F, 0.9998633155F, 0.9998788692F,
0.9998930603F, 0.9999059701F, 0.9999176774F, 0.9999282586F,
0.9999377880F, 0.9999463370F, 0.9999539749F, 0.9999607685F,
0.9999667820F, 0.9999720773F, 0.9999767136F, 0.9999807479F,
0.9999842344F, 0.9999872249F, 0.9999897688F, 0.9999919127F,
0.9999937009F, 0.9999951749F, 0.9999963738F, 0.9999973342F,
0.9999980900F, 0.9999986724F, 0.9999991103F, 0.9999994297F,
0.9999996543F, 0.9999998049F, 0.9999999000F, 0.9999999552F,
0.9999999836F, 0.9999999957F, 0.9999999994F, 1.0000000000F,
};
static const float vwin2048[1024] = {
0.0000009241F, 0.0000083165F, 0.0000231014F, 0.0000452785F,
0.0000748476F, 0.0001118085F, 0.0001561608F, 0.0002079041F,
0.0002670379F, 0.0003335617F, 0.0004074748F, 0.0004887765F,
0.0005774661F, 0.0006735427F, 0.0007770054F, 0.0008878533F,
0.0010060853F, 0.0011317002F, 0.0012646969F, 0.0014050742F,
0.0015528307F, 0.0017079650F, 0.0018704756F, 0.0020403610F,
0.0022176196F, 0.0024022497F, 0.0025942495F, 0.0027936173F,
0.0030003511F, 0.0032144490F, 0.0034359088F, 0.0036647286F,
0.0039009061F, 0.0041444391F, 0.0043953253F, 0.0046535621F,
0.0049191472F, 0.0051920781F, 0.0054723520F, 0.0057599664F,
0.0060549184F, 0.0063572052F, 0.0066668239F, 0.0069837715F,
0.0073080449F, 0.0076396410F, 0.0079785566F, 0.0083247884F,
0.0086783330F, 0.0090391871F, 0.0094073470F, 0.0097828092F,
0.0101655700F, 0.0105556258F, 0.0109529726F, 0.0113576065F,
0.0117695237F, 0.0121887200F, 0.0126151913F, 0.0130489335F,
0.0134899422F, 0.0139382130F, 0.0143937415F, 0.0148565233F,
0.0153265536F, 0.0158038279F, 0.0162883413F, 0.0167800889F,
0.0172790660F, 0.0177852675F, 0.0182986882F, 0.0188193231F,
0.0193471668F, 0.0198822141F, 0.0204244594F, 0.0209738974F,
0.0215305225F, 0.0220943289F, 0.0226653109F, 0.0232434627F,
0.0238287784F, 0.0244212519F, 0.0250208772F, 0.0256276481F,
0.0262415582F, 0.0268626014F, 0.0274907711F, 0.0281260608F,
0.0287684638F, 0.0294179736F, 0.0300745833F, 0.0307382859F,
0.0314090747F, 0.0320869424F, 0.0327718819F, 0.0334638860F,
0.0341629474F, 0.0348690586F, 0.0355822122F, 0.0363024004F,
0.0370296157F, 0.0377638502F, 0.0385050960F, 0.0392533451F,
0.0400085896F, 0.0407708211F, 0.0415400315F, 0.0423162123F,
0.0430993552F, 0.0438894515F, 0.0446864926F, 0.0454904698F,
0.0463013742F, 0.0471191969F, 0.0479439288F, 0.0487755607F,
0.0496140836F, 0.0504594879F, 0.0513117642F, 0.0521709031F,
0.0530368949F, 0.0539097297F, 0.0547893979F, 0.0556758894F,
0.0565691941F, 0.0574693019F, 0.0583762026F, 0.0592898858F,
0.0602103410F, 0.0611375576F, 0.0620715250F, 0.0630122324F,
0.0639596688F, 0.0649138234F, 0.0658746848F, 0.0668422421F,
0.0678164838F, 0.0687973985F, 0.0697849746F, 0.0707792005F,
0.0717800645F, 0.0727875547F, 0.0738016591F, 0.0748223656F,
0.0758496620F, 0.0768835359F, 0.0779239751F, 0.0789709668F,
0.0800244985F, 0.0810845574F, 0.0821511306F, 0.0832242052F,
0.0843037679F, 0.0853898056F, 0.0864823050F, 0.0875812525F,
0.0886866347F, 0.0897984378F, 0.0909166480F, 0.0920412513F,
0.0931722338F, 0.0943095813F, 0.0954532795F, 0.0966033140F,
0.0977596702F, 0.0989223336F, 0.1000912894F, 0.1012665227F,
0.1024480185F, 0.1036357616F, 0.1048297369F, 0.1060299290F,
0.1072363224F, 0.1084489014F, 0.1096676504F, 0.1108925534F,
0.1121235946F, 0.1133607577F, 0.1146040267F, 0.1158533850F,
0.1171088163F, 0.1183703040F, 0.1196378312F, 0.1209113812F,
0.1221909370F, 0.1234764815F, 0.1247679974F, 0.1260654674F,
0.1273688740F, 0.1286781995F, 0.1299934263F, 0.1313145365F,
0.1326415121F, 0.1339743349F, 0.1353129866F, 0.1366574490F,
0.1380077035F, 0.1393637315F, 0.1407255141F, 0.1420930325F,
0.1434662677F, 0.1448452004F, 0.1462298115F, 0.1476200814F,
0.1490159906F, 0.1504175195F, 0.1518246482F, 0.1532373569F,
0.1546556253F, 0.1560794333F, 0.1575087606F, 0.1589435866F,
0.1603838909F, 0.1618296526F, 0.1632808509F, 0.1647374648F,
0.1661994731F, 0.1676668546F, 0.1691395880F, 0.1706176516F,
0.1721010238F, 0.1735896829F, 0.1750836068F, 0.1765827736F,
0.1780871610F, 0.1795967468F, 0.1811115084F, 0.1826314234F,
0.1841564689F, 0.1856866221F, 0.1872218600F, 0.1887621595F,
0.1903074974F, 0.1918578503F, 0.1934131947F, 0.1949735068F,
0.1965387630F, 0.1981089393F, 0.1996840117F, 0.2012639560F,
0.2028487479F, 0.2044383630F, 0.2060327766F, 0.2076319642F,
0.2092359007F, 0.2108445614F, 0.2124579211F, 0.2140759545F,
0.2156986364F, 0.2173259411F, 0.2189578432F, 0.2205943168F,
0.2222353361F, 0.2238808751F, 0.2255309076F, 0.2271854073F,
0.2288443480F, 0.2305077030F, 0.2321754457F, 0.2338475493F,
0.2355239869F, 0.2372047315F, 0.2388897560F, 0.2405790329F,
0.2422725350F, 0.2439702347F, 0.2456721043F, 0.2473781159F,
0.2490882418F, 0.2508024539F, 0.2525207240F, 0.2542430237F,
0.2559693248F, 0.2576995986F, 0.2594338166F, 0.2611719498F,
0.2629139695F, 0.2646598466F, 0.2664095520F, 0.2681630564F,
0.2699203304F, 0.2716813445F, 0.2734460691F, 0.2752144744F,
0.2769865307F, 0.2787622079F, 0.2805414760F, 0.2823243047F,
0.2841106637F, 0.2859005227F, 0.2876938509F, 0.2894906179F,
0.2912907928F, 0.2930943447F, 0.2949012426F, 0.2967114554F,
0.2985249520F, 0.3003417009F, 0.3021616708F, 0.3039848301F,
0.3058111471F, 0.3076405901F, 0.3094731273F, 0.3113087266F,
0.3131473560F, 0.3149889833F, 0.3168335762F, 0.3186811024F,
0.3205315294F, 0.3223848245F, 0.3242409552F, 0.3260998886F,
0.3279615918F, 0.3298260319F, 0.3316931758F, 0.3335629903F,
0.3354354423F, 0.3373104982F, 0.3391881247F, 0.3410682882F,
0.3429509551F, 0.3448360917F, 0.3467236642F, 0.3486136387F,
0.3505059811F, 0.3524006575F, 0.3542976336F, 0.3561968753F,
0.3580983482F, 0.3600020179F, 0.3619078499F, 0.3638158096F,
0.3657258625F, 0.3676379737F, 0.3695521086F, 0.3714682321F,
0.3733863094F, 0.3753063055F, 0.3772281852F, 0.3791519134F,
0.3810774548F, 0.3830047742F, 0.3849338362F, 0.3868646053F,
0.3887970459F, 0.3907311227F, 0.3926667998F, 0.3946040417F,
0.3965428125F, 0.3984830765F, 0.4004247978F, 0.4023679403F,
0.4043124683F, 0.4062583455F, 0.4082055359F, 0.4101540034F,
0.4121037117F, 0.4140546246F, 0.4160067058F, 0.4179599190F,
0.4199142277F, 0.4218695956F, 0.4238259861F, 0.4257833627F,
0.4277416888F, 0.4297009279F, 0.4316610433F, 0.4336219983F,
0.4355837562F, 0.4375462803F, 0.4395095337F, 0.4414734797F,
0.4434380815F, 0.4454033021F, 0.4473691046F, 0.4493354521F,
0.4513023078F, 0.4532696345F, 0.4552373954F, 0.4572055533F,
0.4591740713F, 0.4611429123F, 0.4631120393F, 0.4650814151F,
0.4670510028F, 0.4690207650F, 0.4709906649F, 0.4729606651F,
0.4749307287F, 0.4769008185F, 0.4788708972F, 0.4808409279F,
0.4828108732F, 0.4847806962F, 0.4867503597F, 0.4887198264F,
0.4906890593F, 0.4926580213F, 0.4946266753F, 0.4965949840F,
0.4985629105F, 0.5005304176F, 0.5024974683F, 0.5044640255F,
0.5064300522F, 0.5083955114F, 0.5103603659F, 0.5123245790F,
0.5142881136F, 0.5162509328F, 0.5182129997F, 0.5201742774F,
0.5221347290F, 0.5240943178F, 0.5260530070F, 0.5280107598F,
0.5299675395F, 0.5319233095F, 0.5338780330F, 0.5358316736F,
0.5377841946F, 0.5397355596F, 0.5416857320F, 0.5436346755F,
0.5455823538F, 0.5475287304F, 0.5494737691F, 0.5514174337F,
0.5533596881F, 0.5553004962F, 0.5572398218F, 0.5591776291F,
0.5611138821F, 0.5630485449F, 0.5649815818F, 0.5669129570F,
0.5688426349F, 0.5707705799F, 0.5726967564F, 0.5746211290F,
0.5765436624F, 0.5784643212F, 0.5803830702F, 0.5822998743F,
0.5842146984F, 0.5861275076F, 0.5880382669F, 0.5899469416F,
0.5918534968F, 0.5937578981F, 0.5956601107F, 0.5975601004F,
0.5994578326F, 0.6013532732F, 0.6032463880F, 0.6051371429F,
0.6070255039F, 0.6089114372F, 0.6107949090F, 0.6126758856F,
0.6145543334F, 0.6164302191F, 0.6183035092F, 0.6201741706F,
0.6220421700F, 0.6239074745F, 0.6257700513F, 0.6276298674F,
0.6294868903F, 0.6313410873F, 0.6331924262F, 0.6350408745F,
0.6368864001F, 0.6387289710F, 0.6405685552F, 0.6424051209F,
0.6442386364F, 0.6460690702F, 0.6478963910F, 0.6497205673F,
0.6515415682F, 0.6533593625F, 0.6551739194F, 0.6569852082F,
0.6587931984F, 0.6605978593F, 0.6623991609F, 0.6641970728F,
0.6659915652F, 0.6677826081F, 0.6695701718F, 0.6713542268F,
0.6731347437F, 0.6749116932F, 0.6766850461F, 0.6784547736F,
0.6802208469F, 0.6819832374F, 0.6837419164F, 0.6854968559F,
0.6872480275F, 0.6889954034F, 0.6907389556F, 0.6924786566F,
0.6942144788F, 0.6959463950F, 0.6976743780F, 0.6993984008F,
0.7011184365F, 0.7028344587F, 0.7045464407F, 0.7062543564F,
0.7079581796F, 0.7096578844F, 0.7113534450F, 0.7130448359F,
0.7147320316F, 0.7164150070F, 0.7180937371F, 0.7197681970F,
0.7214383620F, 0.7231042077F, 0.7247657098F, 0.7264228443F,
0.7280755871F, 0.7297239147F, 0.7313678035F, 0.7330072301F,
0.7346421715F, 0.7362726046F, 0.7378985069F, 0.7395198556F,
0.7411366285F, 0.7427488034F, 0.7443563584F, 0.7459592717F,
0.7475575218F, 0.7491510873F, 0.7507399471F, 0.7523240803F,
0.7539034661F, 0.7554780839F, 0.7570479136F, 0.7586129349F,
0.7601731279F, 0.7617284730F, 0.7632789506F, 0.7648245416F,
0.7663652267F, 0.7679009872F, 0.7694318044F, 0.7709576599F,
0.7724785354F, 0.7739944130F, 0.7755052749F, 0.7770111035F,
0.7785118815F, 0.7800075916F, 0.7814982170F, 0.7829837410F,
0.7844641472F, 0.7859394191F, 0.7874095408F, 0.7888744965F,
0.7903342706F, 0.7917888476F, 0.7932382124F, 0.7946823501F,
0.7961212460F, 0.7975548855F, 0.7989832544F, 0.8004063386F,
0.8018241244F, 0.8032365981F, 0.8046437463F, 0.8060455560F,
0.8074420141F, 0.8088331080F, 0.8102188253F, 0.8115991536F,
0.8129740810F, 0.8143435957F, 0.8157076861F, 0.8170663409F,
0.8184195489F, 0.8197672994F, 0.8211095817F, 0.8224463853F,
0.8237777001F, 0.8251035161F, 0.8264238235F, 0.8277386129F,
0.8290478750F, 0.8303516008F, 0.8316497814F, 0.8329424083F,
0.8342294731F, 0.8355109677F, 0.8367868841F, 0.8380572148F,
0.8393219523F, 0.8405810893F, 0.8418346190F, 0.8430825345F,
0.8443248294F, 0.8455614974F, 0.8467925323F, 0.8480179285F,
0.8492376802F, 0.8504517822F, 0.8516602292F, 0.8528630164F,
0.8540601391F, 0.8552515928F, 0.8564373733F, 0.8576174766F,
0.8587918990F, 0.8599606368F, 0.8611236868F, 0.8622810460F,
0.8634327113F, 0.8645786802F, 0.8657189504F, 0.8668535195F,
0.8679823857F, 0.8691055472F, 0.8702230025F, 0.8713347503F,
0.8724407896F, 0.8735411194F, 0.8746357394F, 0.8757246489F,
0.8768078479F, 0.8778853364F, 0.8789571146F, 0.8800231832F,
0.8810835427F, 0.8821381942F, 0.8831871387F, 0.8842303777F,
0.8852679127F, 0.8862997456F, 0.8873258784F, 0.8883463132F,
0.8893610527F, 0.8903700994F, 0.8913734562F, 0.8923711263F,
0.8933631129F, 0.8943494196F, 0.8953300500F, 0.8963050083F,
0.8972742985F, 0.8982379249F, 0.8991958922F, 0.9001482052F,
0.9010948688F, 0.9020358883F, 0.9029712690F, 0.9039010165F,
0.9048251367F, 0.9057436357F, 0.9066565195F, 0.9075637946F,
0.9084654678F, 0.9093615456F, 0.9102520353F, 0.9111369440F,
0.9120162792F, 0.9128900484F, 0.9137582595F, 0.9146209204F,
0.9154780394F, 0.9163296248F, 0.9171756853F, 0.9180162296F,
0.9188512667F, 0.9196808057F, 0.9205048559F, 0.9213234270F,
0.9221365285F, 0.9229441704F, 0.9237463629F, 0.9245431160F,
0.9253344404F, 0.9261203465F, 0.9269008453F, 0.9276759477F,
0.9284456648F, 0.9292100080F, 0.9299689889F, 0.9307226190F,
0.9314709103F, 0.9322138747F, 0.9329515245F, 0.9336838721F,
0.9344109300F, 0.9351327108F, 0.9358492275F, 0.9365604931F,
0.9372665208F, 0.9379673239F, 0.9386629160F, 0.9393533107F,
0.9400385220F, 0.9407185637F, 0.9413934501F, 0.9420631954F,
0.9427278141F, 0.9433873208F, 0.9440417304F, 0.9446910576F,
0.9453353176F, 0.9459745255F, 0.9466086968F, 0.9472378469F,
0.9478619915F, 0.9484811463F, 0.9490953274F, 0.9497045506F,
0.9503088323F, 0.9509081888F, 0.9515026365F, 0.9520921921F,
0.9526768723F, 0.9532566940F, 0.9538316742F, 0.9544018300F,
0.9549671786F, 0.9555277375F, 0.9560835241F, 0.9566345562F,
0.9571808513F, 0.9577224275F, 0.9582593027F, 0.9587914949F,
0.9593190225F, 0.9598419038F, 0.9603601571F, 0.9608738012F,
0.9613828546F, 0.9618873361F, 0.9623872646F, 0.9628826591F,
0.9633735388F, 0.9638599227F, 0.9643418303F, 0.9648192808F,
0.9652922939F, 0.9657608890F, 0.9662250860F, 0.9666849046F,
0.9671403646F, 0.9675914861F, 0.9680382891F, 0.9684807937F,
0.9689190202F, 0.9693529890F, 0.9697827203F, 0.9702082347F,
0.9706295529F, 0.9710466953F, 0.9714596828F, 0.9718685362F,
0.9722732762F, 0.9726739240F, 0.9730705005F, 0.9734630267F,
0.9738515239F, 0.9742360134F, 0.9746165163F, 0.9749930540F,
0.9753656481F, 0.9757343198F, 0.9760990909F, 0.9764599829F,
0.9768170175F, 0.9771702164F, 0.9775196013F, 0.9778651941F,
0.9782070167F, 0.9785450909F, 0.9788794388F, 0.9792100824F,
0.9795370437F, 0.9798603449F, 0.9801800080F, 0.9804960554F,
0.9808085092F, 0.9811173916F, 0.9814227251F, 0.9817245318F,
0.9820228343F, 0.9823176549F, 0.9826090160F, 0.9828969402F,
0.9831814498F, 0.9834625674F, 0.9837403156F, 0.9840147169F,
0.9842857939F, 0.9845535692F, 0.9848180654F, 0.9850793052F,
0.9853373113F, 0.9855921062F, 0.9858437127F, 0.9860921535F,
0.9863374512F, 0.9865796287F, 0.9868187085F, 0.9870547136F,
0.9872876664F, 0.9875175899F, 0.9877445067F, 0.9879684396F,
0.9881894112F, 0.9884074444F, 0.9886225619F, 0.9888347863F,
0.9890441404F, 0.9892506468F, 0.9894543284F, 0.9896552077F,
0.9898533074F, 0.9900486502F, 0.9902412587F, 0.9904311555F,
0.9906183633F, 0.9908029045F, 0.9909848019F, 0.9911640779F,
0.9913407550F, 0.9915148557F, 0.9916864025F, 0.9918554179F,
0.9920219241F, 0.9921859437F, 0.9923474989F, 0.9925066120F,
0.9926633054F, 0.9928176012F, 0.9929695218F, 0.9931190891F,
0.9932663254F, 0.9934112527F, 0.9935538932F, 0.9936942686F,
0.9938324012F, 0.9939683126F, 0.9941020248F, 0.9942335597F,
0.9943629388F, 0.9944901841F, 0.9946153170F, 0.9947383593F,
0.9948593325F, 0.9949782579F, 0.9950951572F, 0.9952100516F,
0.9953229625F, 0.9954339111F, 0.9955429186F, 0.9956500062F,
0.9957551948F, 0.9958585056F, 0.9959599593F, 0.9960595769F,
0.9961573792F, 0.9962533869F, 0.9963476206F, 0.9964401009F,
0.9965308483F, 0.9966198833F, 0.9967072261F, 0.9967928971F,
0.9968769164F, 0.9969593041F, 0.9970400804F, 0.9971192651F,
0.9971968781F, 0.9972729391F, 0.9973474680F, 0.9974204842F,
0.9974920074F, 0.9975620569F, 0.9976306521F, 0.9976978122F,
0.9977635565F, 0.9978279039F, 0.9978908736F, 0.9979524842F,
0.9980127547F, 0.9980717037F, 0.9981293499F, 0.9981857116F,
0.9982408073F, 0.9982946554F, 0.9983472739F, 0.9983986810F,
0.9984488947F, 0.9984979328F, 0.9985458132F, 0.9985925534F,
0.9986381711F, 0.9986826838F, 0.9987261086F, 0.9987684630F,
0.9988097640F, 0.9988500286F, 0.9988892738F, 0.9989275163F,
0.9989647727F, 0.9990010597F, 0.9990363938F, 0.9990707911F,
0.9991042679F, 0.9991368404F, 0.9991685244F, 0.9991993358F,
0.9992292905F, 0.9992584038F, 0.9992866914F, 0.9993141686F,
0.9993408506F, 0.9993667526F, 0.9993918895F, 0.9994162761F,
0.9994399273F, 0.9994628576F, 0.9994850815F, 0.9995066133F,
0.9995274672F, 0.9995476574F, 0.9995671978F, 0.9995861021F,
0.9996043841F, 0.9996220573F, 0.9996391352F, 0.9996556310F,
0.9996715579F, 0.9996869288F, 0.9997017568F, 0.9997160543F,
0.9997298342F, 0.9997431088F, 0.9997558905F, 0.9997681914F,
0.9997800236F, 0.9997913990F, 0.9998023292F, 0.9998128261F,
0.9998229009F, 0.9998325650F, 0.9998418296F, 0.9998507058F,
0.9998592044F, 0.9998673362F, 0.9998751117F, 0.9998825415F,
0.9998896358F, 0.9998964047F, 0.9999028584F, 0.9999090066F,
0.9999148590F, 0.9999204253F, 0.9999257148F, 0.9999307368F,
0.9999355003F, 0.9999400144F, 0.9999442878F, 0.9999483293F,
0.9999521472F, 0.9999557499F, 0.9999591457F, 0.9999623426F,
0.9999653483F, 0.9999681708F, 0.9999708175F, 0.9999732959F,
0.9999756132F, 0.9999777765F, 0.9999797928F, 0.9999816688F,
0.9999834113F, 0.9999850266F, 0.9999865211F, 0.9999879009F,
0.9999891721F, 0.9999903405F, 0.9999914118F, 0.9999923914F,
0.9999932849F, 0.9999940972F, 0.9999948336F, 0.9999954989F,
0.9999960978F, 0.9999966349F, 0.9999971146F, 0.9999975411F,
0.9999979185F, 0.9999982507F, 0.9999985414F, 0.9999987944F,
0.9999990129F, 0.9999992003F, 0.9999993596F, 0.9999994939F,
0.9999996059F, 0.9999996981F, 0.9999997732F, 0.9999998333F,
0.9999998805F, 0.9999999170F, 0.9999999444F, 0.9999999643F,
0.9999999784F, 0.9999999878F, 0.9999999937F, 0.9999999972F,
0.9999999990F, 0.9999999997F, 1.0000000000F, 1.0000000000F,
};
static const float vwin4096[2048] = {
0.0000002310F, 0.0000020791F, 0.0000057754F, 0.0000113197F,
0.0000187121F, 0.0000279526F, 0.0000390412F, 0.0000519777F,
0.0000667623F, 0.0000833949F, 0.0001018753F, 0.0001222036F,
0.0001443798F, 0.0001684037F, 0.0001942754F, 0.0002219947F,
0.0002515616F, 0.0002829761F, 0.0003162380F, 0.0003513472F,
0.0003883038F, 0.0004271076F, 0.0004677584F, 0.0005102563F,
0.0005546011F, 0.0006007928F, 0.0006488311F, 0.0006987160F,
0.0007504474F, 0.0008040251F, 0.0008594490F, 0.0009167191F,
0.0009758351F, 0.0010367969F, 0.0010996044F, 0.0011642574F,
0.0012307558F, 0.0012990994F, 0.0013692880F, 0.0014413216F,
0.0015151998F, 0.0015909226F, 0.0016684898F, 0.0017479011F,
0.0018291565F, 0.0019122556F, 0.0019971983F, 0.0020839845F,
0.0021726138F, 0.0022630861F, 0.0023554012F, 0.0024495588F,
0.0025455588F, 0.0026434008F, 0.0027430847F, 0.0028446103F,
0.0029479772F, 0.0030531853F, 0.0031602342F, 0.0032691238F,
0.0033798538F, 0.0034924239F, 0.0036068338F, 0.0037230833F,
0.0038411721F, 0.0039610999F, 0.0040828664F, 0.0042064714F,
0.0043319145F, 0.0044591954F, 0.0045883139F, 0.0047192696F,
0.0048520622F, 0.0049866914F, 0.0051231569F, 0.0052614583F,
0.0054015953F, 0.0055435676F, 0.0056873748F, 0.0058330166F,
0.0059804926F, 0.0061298026F, 0.0062809460F, 0.0064339226F,
0.0065887320F, 0.0067453738F, 0.0069038476F, 0.0070641531F,
0.0072262899F, 0.0073902575F, 0.0075560556F, 0.0077236838F,
0.0078931417F, 0.0080644288F, 0.0082375447F, 0.0084124891F,
0.0085892615F, 0.0087678614F, 0.0089482885F, 0.0091305422F,
0.0093146223F, 0.0095005281F, 0.0096882592F, 0.0098778153F,
0.0100691958F, 0.0102624002F, 0.0104574281F, 0.0106542791F,
0.0108529525F, 0.0110534480F, 0.0112557651F, 0.0114599032F,
0.0116658618F, 0.0118736405F, 0.0120832387F, 0.0122946560F,
0.0125078917F, 0.0127229454F, 0.0129398166F, 0.0131585046F,
0.0133790090F, 0.0136013292F, 0.0138254647F, 0.0140514149F,
0.0142791792F, 0.0145087572F, 0.0147401481F, 0.0149733515F,
0.0152083667F, 0.0154451932F, 0.0156838304F, 0.0159242777F,
0.0161665345F, 0.0164106001F, 0.0166564741F, 0.0169041557F,
0.0171536443F, 0.0174049393F, 0.0176580401F, 0.0179129461F,
0.0181696565F, 0.0184281708F, 0.0186884883F, 0.0189506084F,
0.0192145303F, 0.0194802535F, 0.0197477772F, 0.0200171008F,
0.0202882236F, 0.0205611449F, 0.0208358639F, 0.0211123801F,
0.0213906927F, 0.0216708011F, 0.0219527043F, 0.0222364019F,
0.0225218930F, 0.0228091769F, 0.0230982529F, 0.0233891203F,
0.0236817782F, 0.0239762259F, 0.0242724628F, 0.0245704880F,
0.0248703007F, 0.0251719002F, 0.0254752858F, 0.0257804565F,
0.0260874117F, 0.0263961506F, 0.0267066722F, 0.0270189760F,
0.0273330609F, 0.0276489263F, 0.0279665712F, 0.0282859949F,
0.0286071966F, 0.0289301753F, 0.0292549303F, 0.0295814607F,
0.0299097656F, 0.0302398442F, 0.0305716957F, 0.0309053191F,
0.0312407135F, 0.0315778782F, 0.0319168122F, 0.0322575145F,
0.0325999844F, 0.0329442209F, 0.0332902231F, 0.0336379900F,
0.0339875208F, 0.0343388146F, 0.0346918703F, 0.0350466871F,
0.0354032640F, 0.0357616000F, 0.0361216943F, 0.0364835458F,
0.0368471535F, 0.0372125166F, 0.0375796339F, 0.0379485046F,
0.0383191276F, 0.0386915020F, 0.0390656267F, 0.0394415008F,
0.0398191231F, 0.0401984927F, 0.0405796086F, 0.0409624698F,
0.0413470751F, 0.0417334235F, 0.0421215141F, 0.0425113457F,
0.0429029172F, 0.0432962277F, 0.0436912760F, 0.0440880610F,
0.0444865817F, 0.0448868370F, 0.0452888257F, 0.0456925468F,
0.0460979992F, 0.0465051816F, 0.0469140931F, 0.0473247325F,
0.0477370986F, 0.0481511902F, 0.0485670064F, 0.0489845458F,
0.0494038074F, 0.0498247899F, 0.0502474922F, 0.0506719131F,
0.0510980514F, 0.0515259060F, 0.0519554756F, 0.0523867590F,
0.0528197550F, 0.0532544624F, 0.0536908800F, 0.0541290066F,
0.0545688408F, 0.0550103815F, 0.0554536274F, 0.0558985772F,
0.0563452297F, 0.0567935837F, 0.0572436377F, 0.0576953907F,
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0.9251371177F, 0.9255314245F, 0.9259243774F, 0.9263159778F,
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0.9342296607F, 0.9345918694F, 0.9349527596F, 0.9353123330F,
0.9356705911F, 0.9360275357F, 0.9363831683F, 0.9367374905F,
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0.9384895057F, 0.9388360014F, 0.9391811985F, 0.9395250989F,
0.9398677043F, 0.9402090165F, 0.9405490371F, 0.9408877680F,
0.9412252110F, 0.9415613678F, 0.9418962402F, 0.9422298301F,
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0.9438786050F, 0.9442045381F, 0.9445292014F, 0.9448525971F,
0.9451747268F, 0.9454955926F, 0.9458151963F, 0.9461335399F,
0.9464506253F, 0.9467664545F, 0.9470810293F, 0.9473943517F,
0.9477064238F, 0.9480172474F, 0.9483268246F, 0.9486351573F,
0.9489422475F, 0.9492480973F, 0.9495527087F, 0.9498560837F,
0.9501582243F, 0.9504591325F, 0.9507588105F, 0.9510572603F,
0.9513544839F, 0.9516504834F, 0.9519452609F, 0.9522388186F,
0.9525311584F, 0.9528222826F, 0.9531121932F, 0.9534008923F,
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0.9713568243F, 0.9715622829F, 0.9717667093F, 0.9719701060F,
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0.9729717369F, 0.9731690109F, 0.9733652737F, 0.9735605279F,
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0.9745217631F, 0.9747110216F, 0.9748992901F, 0.9750865714F,
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0.9767281193F, 0.9769056760F, 0.9770822751F, 0.9772579193F,
0.9774326114F, 0.9776063542F, 0.9777791502F, 0.9779510023F,
0.9781219133F, 0.9782918858F, 0.9784609226F, 0.9786290264F,
0.9787962000F, 0.9789624461F, 0.9791277676F, 0.9792921671F,
0.9794556474F, 0.9796182113F, 0.9797798615F, 0.9799406009F,
0.9801004321F, 0.9802593580F, 0.9804173813F, 0.9805745049F,
0.9807307314F, 0.9808860637F, 0.9810405046F, 0.9811940568F,
0.9813467232F, 0.9814985065F, 0.9816494095F, 0.9817994351F,
0.9819485860F, 0.9820968650F, 0.9822442750F, 0.9823908186F,
0.9825364988F, 0.9826813184F, 0.9828252801F, 0.9829683868F,
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0.9836711932F, 0.9838092288F, 0.9839464291F, 0.9840827969F,
0.9842183351F, 0.9843530464F, 0.9844869337F, 0.9846199998F,
0.9847522475F, 0.9848836798F, 0.9850142993F, 0.9851441090F,
0.9852731117F, 0.9854013101F, 0.9855287073F, 0.9856553058F,
0.9857811087F, 0.9859061188F, 0.9860303388F, 0.9861537717F,
0.9862764202F, 0.9863982872F, 0.9865193756F, 0.9866396882F,
0.9867592277F, 0.9868779972F, 0.9869959993F, 0.9871132370F,
0.9872297131F, 0.9873454304F, 0.9874603918F, 0.9875746001F,
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0.9881344447F, 0.9882441941F, 0.9883532104F, 0.9884614962F,
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0.9889920697F, 0.9890960331F, 0.9891992859F, 0.9893018312F,
0.9894036716F, 0.9895048100F, 0.9896052493F, 0.9897049923F,
0.9898040418F, 0.9899024006F, 0.9900000717F, 0.9900970577F,
0.9901933616F, 0.9902889862F, 0.9903839343F, 0.9904782087F,
0.9905718122F, 0.9906647477F, 0.9907570180F, 0.9908486259F,
0.9909395742F, 0.9910298658F, 0.9911195034F, 0.9912084899F,
0.9912968281F, 0.9913845208F, 0.9914715708F, 0.9915579810F,
0.9916437540F, 0.9917288928F, 0.9918134001F, 0.9918972788F,
0.9919805316F, 0.9920631613F, 0.9921451707F, 0.9922265626F,
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0.9932297337F, 0.9933027728F, 0.9933752362F, 0.9934471264F,
0.9935184462F, 0.9935891985F, 0.9936593859F, 0.9937290112F,
0.9937980771F, 0.9938665864F, 0.9939345418F, 0.9940019460F,
0.9940688018F, 0.9941351118F, 0.9942008789F, 0.9942661057F,
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0.9968560653F, 0.9968976655F, 0.9969388591F, 0.9969796485F,
0.9970200363F, 0.9970600250F, 0.9970996170F, 0.9971388149F,
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0.9979978117F, 0.9980276151F, 0.9980570893F, 0.9980862367F,
0.9981150595F, 0.9981435600F, 0.9981717406F, 0.9981996035F,
0.9982271511F, 0.9982543856F, 0.9982813093F, 0.9983079246F,
0.9983342336F, 0.9983602386F, 0.9983859418F, 0.9984113456F,
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0.9985339507F, 0.9985576044F, 0.9985809743F, 0.9986040624F,
0.9986268710F, 0.9986494022F, 0.9986716583F, 0.9986936413F,
0.9987153535F, 0.9987367969F, 0.9987579738F, 0.9987788864F,
0.9987995366F, 0.9988199267F, 0.9988400587F, 0.9988599348F,
0.9988795572F, 0.9988989278F, 0.9989180487F, 0.9989369222F,
0.9989555501F, 0.9989739347F, 0.9989920780F, 0.9990099820F,
0.9990276487F, 0.9990450803F, 0.9990622787F, 0.9990792460F,
0.9990959841F, 0.9991124952F, 0.9991287812F, 0.9991448440F,
0.9991606858F, 0.9991763084F, 0.9991917139F, 0.9992069042F,
0.9992218813F, 0.9992366471F, 0.9992512035F, 0.9992655525F,
0.9992796961F, 0.9992936361F, 0.9993073744F, 0.9993209131F,
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0.9995998712F, 0.9996088590F, 0.9996176954F, 0.9996263821F,
0.9996349208F, 0.9996433132F, 0.9996515609F, 0.9996596656F,
0.9996676288F, 0.9996754522F, 0.9996831375F, 0.9996906862F,
0.9996981000F, 0.9997053804F, 0.9997125290F, 0.9997195474F,
0.9997264371F, 0.9997331998F, 0.9997398369F, 0.9997463500F,
0.9997527406F, 0.9997590103F, 0.9997651606F, 0.9997711930F,
0.9997771089F, 0.9997829098F, 0.9997885973F, 0.9997941728F,
0.9997996378F, 0.9998049936F, 0.9998102419F, 0.9998153839F,
0.9998204211F, 0.9998253550F, 0.9998301868F, 0.9998349182F,
0.9998395503F, 0.9998440847F, 0.9998485226F, 0.9998528654F,
0.9998571146F, 0.9998612713F, 0.9998653370F, 0.9998693130F,
0.9998732007F, 0.9998770012F, 0.9998807159F, 0.9998843461F,
0.9998878931F, 0.9998913581F, 0.9998947424F, 0.9998980473F,
0.9999012740F, 0.9999044237F, 0.9999074976F, 0.9999104971F,
0.9999134231F, 0.9999162771F, 0.9999190601F, 0.9999217733F,
0.9999244179F, 0.9999269950F, 0.9999295058F, 0.9999319515F,
0.9999343332F, 0.9999366519F, 0.9999389088F, 0.9999411050F,
0.9999432416F, 0.9999453196F, 0.9999473402F, 0.9999493044F,
0.9999512132F, 0.9999530677F, 0.9999548690F, 0.9999566180F,
0.9999583157F, 0.9999599633F, 0.9999615616F, 0.9999631116F,
0.9999646144F, 0.9999660709F, 0.9999674820F, 0.9999688487F,
0.9999701719F, 0.9999714526F, 0.9999726917F, 0.9999738900F,
0.9999750486F, 0.9999761682F, 0.9999772497F, 0.9999782941F,
0.9999793021F, 0.9999802747F, 0.9999812126F, 0.9999821167F,
0.9999829878F, 0.9999838268F, 0.9999846343F, 0.9999854113F,
0.9999861584F, 0.9999868765F, 0.9999875664F, 0.9999882287F,
0.9999888642F, 0.9999894736F, 0.9999900577F, 0.9999906172F,
0.9999911528F, 0.9999916651F, 0.9999921548F, 0.9999926227F,
0.9999930693F, 0.9999934954F, 0.9999939015F, 0.9999942883F,
0.9999946564F, 0.9999950064F, 0.9999953390F, 0.9999956547F,
0.9999959541F, 0.9999962377F, 0.9999965062F, 0.9999967601F,
0.9999969998F, 0.9999972260F, 0.9999974392F, 0.9999976399F,
0.9999978285F, 0.9999980056F, 0.9999981716F, 0.9999983271F,
0.9999984724F, 0.9999986081F, 0.9999987345F, 0.9999988521F,
0.9999989613F, 0.9999990625F, 0.9999991562F, 0.9999992426F,
0.9999993223F, 0.9999993954F, 0.9999994625F, 0.9999995239F,
0.9999995798F, 0.9999996307F, 0.9999996768F, 0.9999997184F,
0.9999997559F, 0.9999997895F, 0.9999998195F, 0.9999998462F,
0.9999998698F, 0.9999998906F, 0.9999999088F, 0.9999999246F,
0.9999999383F, 0.9999999500F, 0.9999999600F, 0.9999999684F,
0.9999999754F, 0.9999999811F, 0.9999999858F, 0.9999999896F,
0.9999999925F, 0.9999999948F, 0.9999999965F, 0.9999999978F,
0.9999999986F, 0.9999999992F, 0.9999999996F, 0.9999999998F,
0.9999999999F, 1.0000000000F, 1.0000000000F, 1.0000000000F,
};
static const float vwin8192[4096] = {
0.0000000578F, 0.0000005198F, 0.0000014438F, 0.0000028299F,
0.0000046780F, 0.0000069882F, 0.0000097604F, 0.0000129945F,
0.0000166908F, 0.0000208490F, 0.0000254692F, 0.0000305515F,
0.0000360958F, 0.0000421021F, 0.0000485704F, 0.0000555006F,
0.0000628929F, 0.0000707472F, 0.0000790635F, 0.0000878417F,
0.0000970820F, 0.0001067842F, 0.0001169483F, 0.0001275744F,
0.0001386625F, 0.0001502126F, 0.0001622245F, 0.0001746984F,
0.0001876343F, 0.0002010320F, 0.0002148917F, 0.0002292132F,
0.0002439967F, 0.0002592421F, 0.0002749493F, 0.0002911184F,
0.0003077493F, 0.0003248421F, 0.0003423967F, 0.0003604132F,
0.0003788915F, 0.0003978316F, 0.0004172335F, 0.0004370971F,
0.0004574226F, 0.0004782098F, 0.0004994587F, 0.0005211694F,
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0.9995599454F, 0.9995647903F, 0.9995695953F, 0.9995743607F,
0.9995790866F, 0.9995837734F, 0.9995884211F, 0.9995930300F,
0.9995976004F, 0.9996021324F, 0.9996066263F, 0.9996110822F,
0.9996155004F, 0.9996198810F, 0.9996242244F, 0.9996285306F,
0.9996327999F, 0.9996370326F, 0.9996412287F, 0.9996453886F,
0.9996495125F, 0.9996536004F, 0.9996576527F, 0.9996616696F,
0.9996656512F, 0.9996695977F, 0.9996735094F, 0.9996773865F,
0.9996812291F, 0.9996850374F, 0.9996888118F, 0.9996925523F,
0.9996962591F, 0.9996999325F, 0.9997035727F, 0.9997071798F,
0.9997107541F, 0.9997142957F, 0.9997178049F, 0.9997212818F,
0.9997247266F, 0.9997281396F, 0.9997315209F, 0.9997348708F,
0.9997381893F, 0.9997414767F, 0.9997447333F, 0.9997479591F,
0.9997511544F, 0.9997543194F, 0.9997574542F, 0.9997605591F,
0.9997636342F, 0.9997666797F, 0.9997696958F, 0.9997726828F,
0.9997756407F, 0.9997785698F, 0.9997814703F, 0.9997843423F,
0.9997871860F, 0.9997900016F, 0.9997927894F, 0.9997955494F,
0.9997982818F, 0.9998009869F, 0.9998036648F, 0.9998063157F,
0.9998089398F, 0.9998115373F, 0.9998141082F, 0.9998166529F,
0.9998191715F, 0.9998216642F, 0.9998241311F, 0.9998265724F,
0.9998289884F, 0.9998313790F, 0.9998337447F, 0.9998360854F,
0.9998384015F, 0.9998406930F, 0.9998429602F, 0.9998452031F,
0.9998474221F, 0.9998496171F, 0.9998517885F, 0.9998539364F,
0.9998560610F, 0.9998581624F, 0.9998602407F, 0.9998622962F,
0.9998643291F, 0.9998663394F, 0.9998683274F, 0.9998702932F,
0.9998722370F, 0.9998741589F, 0.9998760591F, 0.9998779378F,
0.9998797952F, 0.9998816313F, 0.9998834464F, 0.9998852406F,
0.9998870141F, 0.9998887670F, 0.9998904995F, 0.9998922117F,
0.9998939039F, 0.9998955761F, 0.9998972285F, 0.9998988613F,
0.9999004746F, 0.9999020686F, 0.9999036434F, 0.9999051992F,
0.9999067362F, 0.9999082544F, 0.9999097541F, 0.9999112354F,
0.9999126984F, 0.9999141433F, 0.9999155703F, 0.9999169794F,
0.9999183709F, 0.9999197449F, 0.9999211014F, 0.9999224408F,
0.9999237631F, 0.9999250684F, 0.9999263570F, 0.9999276289F,
0.9999288843F, 0.9999301233F, 0.9999313461F, 0.9999325529F,
0.9999337437F, 0.9999349187F, 0.9999360780F, 0.9999372218F,
0.9999383503F, 0.9999394635F, 0.9999405616F, 0.9999416447F,
0.9999427129F, 0.9999437665F, 0.9999448055F, 0.9999458301F,
0.9999468404F, 0.9999478365F, 0.9999488185F, 0.9999497867F,
0.9999507411F, 0.9999516819F, 0.9999526091F, 0.9999535230F,
0.9999544236F, 0.9999553111F, 0.9999561856F, 0.9999570472F,
0.9999578960F, 0.9999587323F, 0.9999595560F, 0.9999603674F,
0.9999611666F, 0.9999619536F, 0.9999627286F, 0.9999634917F,
0.9999642431F, 0.9999649828F, 0.9999657110F, 0.9999664278F,
0.9999671334F, 0.9999678278F, 0.9999685111F, 0.9999691835F,
0.9999698451F, 0.9999704960F, 0.9999711364F, 0.9999717662F,
0.9999723858F, 0.9999729950F, 0.9999735942F, 0.9999741834F,
0.9999747626F, 0.9999753321F, 0.9999758919F, 0.9999764421F,
0.9999769828F, 0.9999775143F, 0.9999780364F, 0.9999785495F,
0.9999790535F, 0.9999795485F, 0.9999800348F, 0.9999805124F,
0.9999809813F, 0.9999814417F, 0.9999818938F, 0.9999823375F,
0.9999827731F, 0.9999832005F, 0.9999836200F, 0.9999840316F,
0.9999844353F, 0.9999848314F, 0.9999852199F, 0.9999856008F,
0.9999859744F, 0.9999863407F, 0.9999866997F, 0.9999870516F,
0.9999873965F, 0.9999877345F, 0.9999880656F, 0.9999883900F,
0.9999887078F, 0.9999890190F, 0.9999893237F, 0.9999896220F,
0.9999899140F, 0.9999901999F, 0.9999904796F, 0.9999907533F,
0.9999910211F, 0.9999912830F, 0.9999915391F, 0.9999917896F,
0.9999920345F, 0.9999922738F, 0.9999925077F, 0.9999927363F,
0.9999929596F, 0.9999931777F, 0.9999933907F, 0.9999935987F,
0.9999938018F, 0.9999940000F, 0.9999941934F, 0.9999943820F,
0.9999945661F, 0.9999947456F, 0.9999949206F, 0.9999950912F,
0.9999952575F, 0.9999954195F, 0.9999955773F, 0.9999957311F,
0.9999958807F, 0.9999960265F, 0.9999961683F, 0.9999963063F,
0.9999964405F, 0.9999965710F, 0.9999966979F, 0.9999968213F,
0.9999969412F, 0.9999970576F, 0.9999971707F, 0.9999972805F,
0.9999973871F, 0.9999974905F, 0.9999975909F, 0.9999976881F,
0.9999977824F, 0.9999978738F, 0.9999979624F, 0.9999980481F,
0.9999981311F, 0.9999982115F, 0.9999982892F, 0.9999983644F,
0.9999984370F, 0.9999985072F, 0.9999985750F, 0.9999986405F,
0.9999987037F, 0.9999987647F, 0.9999988235F, 0.9999988802F,
0.9999989348F, 0.9999989873F, 0.9999990379F, 0.9999990866F,
0.9999991334F, 0.9999991784F, 0.9999992217F, 0.9999992632F,
0.9999993030F, 0.9999993411F, 0.9999993777F, 0.9999994128F,
0.9999994463F, 0.9999994784F, 0.9999995091F, 0.9999995384F,
0.9999995663F, 0.9999995930F, 0.9999996184F, 0.9999996426F,
0.9999996657F, 0.9999996876F, 0.9999997084F, 0.9999997282F,
0.9999997469F, 0.9999997647F, 0.9999997815F, 0.9999997973F,
0.9999998123F, 0.9999998265F, 0.9999998398F, 0.9999998524F,
0.9999998642F, 0.9999998753F, 0.9999998857F, 0.9999998954F,
0.9999999045F, 0.9999999130F, 0.9999999209F, 0.9999999282F,
0.9999999351F, 0.9999999414F, 0.9999999472F, 0.9999999526F,
0.9999999576F, 0.9999999622F, 0.9999999664F, 0.9999999702F,
0.9999999737F, 0.9999999769F, 0.9999999798F, 0.9999999824F,
0.9999999847F, 0.9999999868F, 0.9999999887F, 0.9999999904F,
0.9999999919F, 0.9999999932F, 0.9999999943F, 0.9999999953F,
0.9999999961F, 0.9999999969F, 0.9999999975F, 0.9999999980F,
0.9999999985F, 0.9999999988F, 0.9999999991F, 0.9999999993F,
0.9999999995F, 0.9999999997F, 0.9999999998F, 0.9999999999F,
0.9999999999F, 1.0000000000F, 1.0000000000F, 1.0000000000F,
1.0000000000F, 1.0000000000F, 1.0000000000F, 1.0000000000F,
};
static const float *const vwin[8] = {
vwin64,
vwin128,
vwin256,
vwin512,
vwin1024,
vwin2048,
vwin4096,
vwin8192,
};
const float *_vorbis_window_get(int n){
return vwin[n];
}
void _vorbis_apply_window(float *d,int *winno,long *blocksizes,
int lW,int W,int nW){
lW=(W?lW:0);
nW=(W?nW:0);
{
const float *windowLW=vwin[winno[lW]];
const float *windowNW=vwin[winno[nW]];
long n=blocksizes[W];
long ln=blocksizes[lW];
long rn=blocksizes[nW];
long leftbegin=n/4-ln/4;
long leftend=leftbegin+ln/2;
long rightbegin=n/2+n/4-rn/4;
long rightend=rightbegin+rn/2;
int i,p;
for(i=0;i
#include
#include
#include "vorbis/codec.h"
#include "vorbis/vorbisenc.h"
#include "codec_internal.h"
#include "os.h"
#include "misc.h"
/* careful with this; it's using static array sizing to make managing
all the modes a little less annoying. If we use a residue backend
with > 12 partition types, or a different division of iteration,
this needs to be updated. */
typedef struct {
const static_codebook *books[12][4];
} static_bookblock;
typedef struct {
int res_type;
int limit_type; /* 0 lowpass limited, 1 point stereo limited */
int grouping;
const vorbis_info_residue0 *res;
const static_codebook *book_aux;
const static_codebook *book_aux_managed;
const static_bookblock *books_base;
const static_bookblock *books_base_managed;
} vorbis_residue_template;
typedef struct {
const vorbis_info_mapping0 *map;
const vorbis_residue_template *res;
} vorbis_mapping_template;
typedef struct vp_adjblock{
int block[P_BANDS];
} vp_adjblock;
typedef struct {
int data[NOISE_COMPAND_LEVELS];
} compandblock;
/* high level configuration information for setting things up
step-by-step with the detailed vorbis_encode_ctl interface.
There's a fair amount of redundancy such that interactive setup
does not directly deal with any vorbis_info or codec_setup_info
initialization; it's all stored (until full init) in this highlevel
setup, then flushed out to the real codec setup structs later. */
typedef struct {
int att[P_NOISECURVES];
float boost;
float decay;
} att3;
typedef struct { int data[P_NOISECURVES]; } adj3;
typedef struct {
int pre[PACKETBLOBS];
int post[PACKETBLOBS];
float kHz[PACKETBLOBS];
float lowpasskHz[PACKETBLOBS];
} adj_stereo;
typedef struct {
int lo;
int hi;
int fixed;
} noiseguard;
typedef struct {
int data[P_NOISECURVES][17];
} noise3;
typedef struct {
int mappings;
const double *rate_mapping;
const double *quality_mapping;
int coupling_restriction;
long samplerate_min_restriction;
long samplerate_max_restriction;
const int *blocksize_short;
const int *blocksize_long;
const att3 *psy_tone_masteratt;
const int *psy_tone_0dB;
const int *psy_tone_dBsuppress;
const vp_adjblock *psy_tone_adj_impulse;
const vp_adjblock *psy_tone_adj_long;
const vp_adjblock *psy_tone_adj_other;
const noiseguard *psy_noiseguards;
const noise3 *psy_noise_bias_impulse;
const noise3 *psy_noise_bias_padding;
const noise3 *psy_noise_bias_trans;
const noise3 *psy_noise_bias_long;
const int *psy_noise_dBsuppress;
const compandblock *psy_noise_compand;
const double *psy_noise_compand_short_mapping;
const double *psy_noise_compand_long_mapping;
const int *psy_noise_normal_start[2];
const int *psy_noise_normal_partition[2];
const double *psy_noise_normal_thresh;
const int *psy_ath_float;
const int *psy_ath_abs;
const double *psy_lowpass;
const vorbis_info_psy_global *global_params;
const double *global_mapping;
const adj_stereo *stereo_modes;
const static_codebook *const *const *const floor_books;
const vorbis_info_floor1 *floor_params;
const int floor_mappings;
const int **floor_mapping_list;
const vorbis_mapping_template *maps;
} ve_setup_data_template;
/* a few static coder conventions */
static const vorbis_info_mode _mode_template[2]={
{0,0,0,0},
{1,0,0,1}
};
static const vorbis_info_mapping0 _map_nominal[2]={
{1, {0,0}, {0}, {0}, 1,{0},{1}},
{1, {0,0}, {1}, {1}, 1,{0},{1}}
};
#include "modes/setup_44.h"
#include "modes/setup_44u.h"
#include "modes/setup_44p51.h"
#include "modes/setup_32.h"
#include "modes/setup_8.h"
#include "modes/setup_11.h"
#include "modes/setup_16.h"
#include "modes/setup_22.h"
#include "modes/setup_X.h"
static const ve_setup_data_template *const setup_list[]={
&ve_setup_44_stereo,
&ve_setup_44_51,
&ve_setup_44_uncoupled,
&ve_setup_32_stereo,
&ve_setup_32_uncoupled,
&ve_setup_22_stereo,
&ve_setup_22_uncoupled,
&ve_setup_16_stereo,
&ve_setup_16_uncoupled,
&ve_setup_11_stereo,
&ve_setup_11_uncoupled,
&ve_setup_8_stereo,
&ve_setup_8_uncoupled,
&ve_setup_X_stereo,
&ve_setup_X_uncoupled,
&ve_setup_XX_stereo,
&ve_setup_XX_uncoupled,
0
};
static void vorbis_encode_floor_setup(vorbis_info *vi,int s,
const static_codebook *const *const *const books,
const vorbis_info_floor1 *in,
const int *x){
int i,k,is=s;
vorbis_info_floor1 *f=_ogg_calloc(1,sizeof(*f));
codec_setup_info *ci=vi->codec_setup;
memcpy(f,in+x[is],sizeof(*f));
/* books */
{
int partitions=f->partitions;
int maxclass=-1;
int maxbook=-1;
for(i=0;ipartitionclass[i]>maxclass)maxclass=f->partitionclass[i];
for(i=0;i<=maxclass;i++){
if(f->class_book[i]>maxbook)maxbook=f->class_book[i];
f->class_book[i]+=ci->books;
for(k=0;k<(1<class_subs[i]);k++){
if(f->class_subbook[i][k]>maxbook)maxbook=f->class_subbook[i][k];
if(f->class_subbook[i][k]>=0)f->class_subbook[i][k]+=ci->books;
}
}
for(i=0;i<=maxbook;i++)
ci->book_param[ci->books++]=(static_codebook *)books[x[is]][i];
}
/* for now, we're only using floor 1 */
ci->floor_type[ci->floors]=1;
ci->floor_param[ci->floors]=f;
ci->floors++;
return;
}
static void vorbis_encode_global_psych_setup(vorbis_info *vi,double s,
const vorbis_info_psy_global *in,
const double *x){
int i,is=s;
double ds=s-is;
codec_setup_info *ci=vi->codec_setup;
vorbis_info_psy_global *g=&ci->psy_g_param;
memcpy(g,in+(int)x[is],sizeof(*g));
ds=x[is]*(1.-ds)+x[is+1]*ds;
is=(int)ds;
ds-=is;
if(ds==0 && is>0){
is--;
ds=1.;
}
/* interpolate the trigger threshholds */
for(i=0;i<4;i++){
g->preecho_thresh[i]=in[is].preecho_thresh[i]*(1.-ds)+in[is+1].preecho_thresh[i]*ds;
g->postecho_thresh[i]=in[is].postecho_thresh[i]*(1.-ds)+in[is+1].postecho_thresh[i]*ds;
}
g->ampmax_att_per_sec=ci->hi.amplitude_track_dBpersec;
return;
}
static void vorbis_encode_global_stereo(vorbis_info *vi,
const highlevel_encode_setup *const hi,
const adj_stereo *p){
float s=hi->stereo_point_setting;
int i,is=s;
double ds=s-is;
codec_setup_info *ci=vi->codec_setup;
vorbis_info_psy_global *g=&ci->psy_g_param;
if(p){
memcpy(g->coupling_prepointamp,p[is].pre,sizeof(*p[is].pre)*PACKETBLOBS);
memcpy(g->coupling_postpointamp,p[is].post,sizeof(*p[is].post)*PACKETBLOBS);
if(hi->managed){
/* interpolate the kHz threshholds */
for(i=0;icoupling_pointlimit[0][i]=kHz*1000./vi->rate*ci->blocksizes[0];
g->coupling_pointlimit[1][i]=kHz*1000./vi->rate*ci->blocksizes[1];
g->coupling_pkHz[i]=kHz;
kHz=p[is].lowpasskHz[i]*(1.-ds)+p[is+1].lowpasskHz[i]*ds;
g->sliding_lowpass[0][i]=kHz*1000./vi->rate*ci->blocksizes[0];
g->sliding_lowpass[1][i]=kHz*1000./vi->rate*ci->blocksizes[1];
}
}else{
float kHz=p[is].kHz[PACKETBLOBS/2]*(1.-ds)+p[is+1].kHz[PACKETBLOBS/2]*ds;
for(i=0;icoupling_pointlimit[0][i]=kHz*1000./vi->rate*ci->blocksizes[0];
g->coupling_pointlimit[1][i]=kHz*1000./vi->rate*ci->blocksizes[1];
g->coupling_pkHz[i]=kHz;
}
kHz=p[is].lowpasskHz[PACKETBLOBS/2]*(1.-ds)+p[is+1].lowpasskHz[PACKETBLOBS/2]*ds;
for(i=0;isliding_lowpass[0][i]=kHz*1000./vi->rate*ci->blocksizes[0];
g->sliding_lowpass[1][i]=kHz*1000./vi->rate*ci->blocksizes[1];
}
}
}else{
for(i=0;isliding_lowpass[0][i]=ci->blocksizes[0];
g->sliding_lowpass[1][i]=ci->blocksizes[1];
}
}
return;
}
static void vorbis_encode_psyset_setup(vorbis_info *vi,double s,
const int *nn_start,
const int *nn_partition,
const double *nn_thresh,
int block){
codec_setup_info *ci=vi->codec_setup;
vorbis_info_psy *p=ci->psy_param[block];
highlevel_encode_setup *hi=&ci->hi;
int is=s;
if(block>=ci->psys)
ci->psys=block+1;
if(!p){
p=_ogg_calloc(1,sizeof(*p));
ci->psy_param[block]=p;
}
memcpy(p,&_psy_info_template,sizeof(*p));
p->blockflag=block>>1;
if(hi->noise_normalize_p){
p->normal_p=1;
p->normal_start=nn_start[is];
p->normal_partition=nn_partition[is];
p->normal_thresh=nn_thresh[is];
}
return;
}
static void vorbis_encode_tonemask_setup(vorbis_info *vi,double s,int block,
const att3 *att,
const int *max,
const vp_adjblock *in){
int i,is=s;
double ds=s-is;
codec_setup_info *ci=vi->codec_setup;
vorbis_info_psy *p=ci->psy_param[block];
/* 0 and 2 are only used by bitmanagement, but there's no harm to always
filling the values in here */
p->tone_masteratt[0]=att[is].att[0]*(1.-ds)+att[is+1].att[0]*ds;
p->tone_masteratt[1]=att[is].att[1]*(1.-ds)+att[is+1].att[1]*ds;
p->tone_masteratt[2]=att[is].att[2]*(1.-ds)+att[is+1].att[2]*ds;
p->tone_centerboost=att[is].boost*(1.-ds)+att[is+1].boost*ds;
p->tone_decay=att[is].decay*(1.-ds)+att[is+1].decay*ds;
p->max_curve_dB=max[is]*(1.-ds)+max[is+1]*ds;
for(i=0;itoneatt[i]=in[is].block[i]*(1.-ds)+in[is+1].block[i]*ds;
return;
}
static void vorbis_encode_compand_setup(vorbis_info *vi,double s,int block,
const compandblock *in,
const double *x){
int i,is=s;
double ds=s-is;
codec_setup_info *ci=vi->codec_setup;
vorbis_info_psy *p=ci->psy_param[block];
ds=x[is]*(1.-ds)+x[is+1]*ds;
is=(int)ds;
ds-=is;
if(ds==0 && is>0){
is--;
ds=1.;
}
/* interpolate the compander settings */
for(i=0;inoisecompand[i]=in[is].data[i]*(1.-ds)+in[is+1].data[i]*ds;
return;
}
static void vorbis_encode_peak_setup(vorbis_info *vi,double s,int block,
const int *suppress){
int is=s;
double ds=s-is;
codec_setup_info *ci=vi->codec_setup;
vorbis_info_psy *p=ci->psy_param[block];
p->tone_abs_limit=suppress[is]*(1.-ds)+suppress[is+1]*ds;
return;
}
static void vorbis_encode_noisebias_setup(vorbis_info *vi,double s,int block,
const int *suppress,
const noise3 *in,
const noiseguard *guard,
double userbias){
int i,is=s,j;
double ds=s-is;
codec_setup_info *ci=vi->codec_setup;
vorbis_info_psy *p=ci->psy_param[block];
p->noisemaxsupp=suppress[is]*(1.-ds)+suppress[is+1]*ds;
p->noisewindowlomin=guard[block].lo;
p->noisewindowhimin=guard[block].hi;
p->noisewindowfixed=guard[block].fixed;
for(j=0;jnoiseoff[j][i]=in[is].data[j][i]*(1.-ds)+in[is+1].data[j][i]*ds;
/* impulse blocks may take a user specified bias to boost the
nominal/high noise encoding depth */
for(j=0;jnoiseoff[j][0]+6; /* the lowest it can go */
for(i=0;inoiseoff[j][i]+=userbias;
if(p->noiseoff[j][i]