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/********************************************************************
* *
* 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 1994-2001 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: utility main for loading and operating on codebooks
last mod: $Id$
********************************************************************/
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <string.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include "bookutil.h"
/* command line:
utilname [-i] +|* input_book.vqh [+|* input_book.vqh]
input_data.vqd [input_data.vqd]
produces output data on stdout
(may also take input data from stdin)
*/
extern void process_preprocess(codebook **b,char *basename);
extern void process_postprocess(codebook **b,char *basename);
extern void process_vector(codebook **b,int *addmul, int inter,float *a,int n);
extern void process_usage(void);
int main(int argc,char *argv[]){
char *basename;
codebook **b=_ogg_calloc(1,sizeof(codebook *));
int *addmul=_ogg_calloc(1,sizeof(int));
int books=0;
int input=0;
int interleave=0;
int j;
int start=0;
int num=-1;
argv++;
if(*argv==NULL){
process_usage();
exit(1);
}
/* yes, this is evil. However, it's very convenient to parse file
extentions */
while(*argv){
if(*argv[0]=='-'){
/* option */
if(argv[0][1]=='s'){
/* subvector */
if(sscanf(argv[1],"%d,%d",&start,&num)!=2){
num= -1;
if(sscanf(argv[1],"%d",&start)!=1){
fprintf(stderr,"Syntax error using -s\n");
exit(1);
}
}
argv+=2;
}
if(argv[0][1]=='i'){
/* interleave */
interleave=1;
argv+=1;
}
}else{
/* input file. What kind? */
char *dot;
char *ext=NULL;
char *name=strdup(*argv++);
dot=strrchr(name,'.');
if(dot)
ext=dot+1;
else
ext="";
/* codebook */
if(!strcmp(ext,"vqh")){
int multp=0;
if(input){
fprintf(stderr,"specify all input data (.vqd) files following\n"
"codebook header (.vqh) files\n");
exit(1);
}
/* is it additive or multiplicative? */
if(name[0]=='*'){
multp=1;
name++;
}
if(name[0]=='+')name++;
basename=strrchr(name,'/');
if(basename)
basename=strdup(basename)+1;
else
basename=strdup(name);
dot=strrchr(basename,'.');
if(dot)*dot='\0';
b=_ogg_realloc(b,sizeof(codebook *)*(books+2));
b[books]=codebook_load(name);
addmul=_ogg_realloc(addmul,sizeof(int)*(books+1));
addmul[books++]=multp;
b[books]=NULL;
}
/* data file */
if(!strcmp(ext,"vqd")){
int cols;
long lines=0;
char *line;
float *vec;
FILE *in=fopen(name,"r");
if(!in){
fprintf(stderr,"Could not open input file %s\n",name);
exit(1);
}
if(!input){
process_preprocess(b,basename);
input++;
}
reset_next_value();
line=setup_line(in);
/* count cols before we start reading */
{
char *temp=line;
while(*temp==' ')temp++;
for(cols=0;*temp;cols++){
while(*temp>32)temp++;
while(*temp==' ')temp++;
}
}
vec=alloca(cols*sizeof(float));
while(line){
lines++;
for(j=0;j<cols;j++)
if(get_line_value(in,vec+j)){
fprintf(stderr,"Too few columns on line %ld in data file\n",lines);
exit(1);
}
/* ignores -s for now */
process_vector(b,addmul,interleave,vec,cols);
line=setup_line(in);
}
fclose(in);
}
}
}
/* take any data from stdin */
{
struct stat st;
if(fstat(STDIN_FILENO,&st)==-1){
fprintf(stderr,"Could not stat STDIN\n");
exit(1);
}
if((S_IFIFO|S_IFREG|S_IFSOCK)&st.st_mode){
int cols;
char *line;
long lines=0;
float *vec;
if(!input){
process_preprocess(b,basename);
input++;
}
line=setup_line(stdin);
/* count cols before we start reading */
{
char *temp=line;
while(*temp==' ')temp++;
for(cols=0;*temp;cols++){
while(*temp>32)temp++;
while(*temp==' ')temp++;
}
}
vec=alloca(cols*sizeof(float));
while(line){
lines++;
for(j=0;j<cols;j++)
if(get_line_value(stdin,vec+j)){
fprintf(stderr,"Too few columns on line %ld in data file\n",lines);
exit(1);
}
/* ignores -s for now */
process_vector(b,addmul,interleave,vec,cols);
line=setup_line(stdin);
}
}
}
process_postprocess(b,basename);
return 0;
}