/********************************************************************
* *
- * THIS FILE IS PART OF THE Ogg Vorbis SOFTWARE CODEC SOURCE CODE. *
- * USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
- * THE GNU PUBLIC LICENSE 2, WHICH IS INCLUDED WITH THIS SOURCE. *
- * PLEASE READ THESE TERMS DISTRIBUTING. *
+ * 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 OggSQUISH SOURCE CODE IS (C) COPYRIGHT 1994-1999 *
- * by 1999 Monty <monty@xiph.org> and The XIPHOPHORUS Company *
- * http://www.xiph.org/ *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001 *
+ * by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: utility main for building codebooks from training sets
- author: Monty <xiphmont@mit.edu>
- modifications by: Monty
- last modification date: Dec 15 1999
+ last mod: $Id$
********************************************************************/
#include <math.h>
#include <string.h>
#include <errno.h>
+#include "bookutil.h"
+
#include "vqgen.h"
+#include "vqsplit.h"
static char *linebuffer=NULL;
static int lbufsize=0;
-static char *rline(FILE *in,FILE *out,int pass){
+static char *rline(FILE *in,FILE *out){
long sofar=0;
if(feof(in))return NULL;
while(!gotline){
if(sofar>=lbufsize){
- if(!lbufsize){
- lbufsize=1024;
- linebuffer=malloc(lbufsize);
- }else{
- lbufsize*=2;
- linebuffer=realloc(linebuffer,lbufsize);
- }
+ if(!lbufsize){
+ lbufsize=1024;
+ linebuffer=_ogg_malloc(lbufsize);
+ }else{
+ lbufsize*=2;
+ linebuffer=_ogg_realloc(linebuffer,lbufsize);
+ }
}
{
- long c=fgetc(in);
- switch(c){
- case '\n':
- case EOF:
- gotline=1;
- break;
- default:
- linebuffer[sofar++]=c;
- linebuffer[sofar]='\0';
- break;
- }
+ long c=fgetc(in);
+ switch(c){
+ case '\n':
+ case EOF:
+ gotline=1;
+ break;
+ default:
+ linebuffer[sofar++]=c;
+ linebuffer[sofar]='\0';
+ break;
+ }
}
}
if(linebuffer[0]=='#'){
- if(pass)fprintf(out,"%s\n",linebuffer);
sofar=0;
}else{
return(linebuffer);
int main(int argc,char *argv[]){
vqgen v;
- vqbook b;
+ static_codebook c;
+ codebook b;
quant_meta q;
- int *quantlist=NULL;
- int entries=-1,dim=-1,dummy;
+ long *quantlist=NULL;
+ int entries=-1,dim=-1,aux=-1;
FILE *out=NULL;
FILE *in=NULL;
char *line,*name;
long i,j,k;
+ b.c=&c;
+
if(argv[1]==NULL){
fprintf(stderr,"Need a trained data set on the command line.\n");
exit(1);
exit(1);
}
- ptr=strrchr(filename,'.');
+ ptr=strrchr(filename,'-');
if(ptr){
*ptr='\0';
- name=strdup(ptr);
- sprintf(ptr,".h");
+ name=strdup(filename);
+ sprintf(ptr,".vqh");
}else{
name=strdup(filename);
- strcat(filename,".h");
+ strcat(filename,".vqh");
}
out=fopen(filename,"w");
/* suck in the trained book */
/* read book type, but it doesn't matter */
- line=rline(in,out,1);
+ line=rline(in,out);
- line=rline(in,out,1);
- if(sscanf(line,"%d %d %d",&entries,&dim,&dummy)!=2){
+ line=rline(in,out);
+ if(sscanf(line,"%d %d %d",&entries,&dim,&aux)!=3){
fprintf(stderr,"Syntax error reading book file\n");
exit(1);
}
/* just use it to allocate mem */
- vqgen_init(&v,dim,0,entries,NULL,NULL);
+ vqgen_init(&v,dim,0,entries,0.f,NULL,NULL,0);
/* quant */
- line=rline(in,out,1);
+ line=rline(in,out);
if(sscanf(line,"%ld %ld %d %d",&q.min,&q.delta,
- &q.quant,&q.sequencep)!=4){
+ &q.quant,&q.sequencep)!=4){
fprintf(stderr,"Syntax error reading book file\n");
exit(1);
}
/* save quant data; we don't want to requantize later as our method
is currently imperfect wrt repeated application */
i=0;
- quantlist=malloc(sizeof(int)*v.elements*v.entries);
+ quantlist=_ogg_malloc(sizeof(long)*v.elements*v.entries);
for(j=0;j<entries;j++){
- double a;
+ float a;
for(k=0;k<dim;k++){
- line=rline(in,out,0);
- sscanf(line,"%lf",&a);
+ line=rline(in,out);
+ sscanf(line,"%f",&a);
v.entrylist[i]=a;
quantlist[i++]=rint(a);
}
}
/* ignore bias */
- for(j=0;j<entries;j++)line=rline(in,out,0);
+ for(j=0;j<entries;j++)line=rline(in,out);
free(v.bias);
v.bias=NULL;
/* training points */
{
- double b[80];
+ float *b=alloca(sizeof(float)*(dim+aux));
i=0;
v.entries=0; /* hack to avoid reseeding */
while(1){
- for(k=0;k<dim && k<80;k++){
- line=rline(in,out,0);
- if(!line)break;
- sscanf(line,"%lf",b+k);
+ for(k=0;k<dim+aux;k++){
+ line=rline(in,out);
+ if(!line)break;
+ sscanf(line,"%f",b+k);
}
if(feof(in))break;
vqgen_addpoint(&v,b,NULL);
vqgen_unquantize(&v,&q);
/* build the book */
- vqsp_book(&v,&b);
+ vqsp_book(&v,&b,quantlist);
+ c.q_min=q.min;
+ c.q_delta=q.delta;
+ c.q_quant=q.quant;
+ c.q_sequencep=q.sequencep;
/* save the book in C header form */
+ write_codebook(out,name,b.c);
-
-
-
+ fclose(out);
exit(0);
}
projects / platform / upstream / libvorbis.git / blobdiff