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/*
** Copyright (C) 1999-2002 Erik de Castro Lopo <erikd@zip.com.au>
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <sndfile.h>
#define BUFFER_LEN 4096
static void
print_usage (char *progname)
{ printf ("\nUsage : %s -f <file>\n", progname) ;
printf ("\n") ;
} /* print_usage */
int main (int argc, char *argv[])
{ static float buffer [BUFFER_LEN] ;
char *progname, *filename = NULL ;
SNDFILE *infile ;
SF_INFO sfinfo ;
int k, count = 1024, start = 0, readcount ;
progname = strrchr (argv [0], '/') ;
progname = progname ? progname + 1 : argv [0] ;
if (argc < 2)
{ print_usage (progname) ;
exit (0) ;
} ;
for (k = 1 ; k < argc; k++)
{ if (! strcmp (argv [k], "-f") && k + 1 < argc)
filename = argv [++k] ;
else if (strstr (argv [k], "-c") && k + 1 < argc)
count = atoi (argv [++k]) ;
else if (strstr (argv [k], "-s") && k + 1 < argc)
start = atoi (argv [++k]) ;
else
{ printf ("Error: unrecognised option : %s\n", argv [k]) ;
print_usage (progname) ;
exit (0) ;
} ;
} ;
if (! filename)
{ printf ("Error : no filename.\n") ;
print_usage (progname) ;
exit (0) ;
} ;
if (! (infile = sf_open (filename, SFM_READ, &sfinfo)))
{ printf ("Error : Not able to open input file %s.\n", filename) ;
sf_perror (NULL) ;
return 1 ;
} ;
while ((readcount = sf_read_float (infile, buffer, BUFFER_LEN)))
{ if (start > readcount)
{ start -= readcount ;
continue ;
}
for (k = start ; k < readcount && count > 0 ; k++, count --)
{ printf ("% f ", buffer [k]) ;
if ((k % sfinfo.channels) == sfinfo.channels - 1)
puts ("") ;
} ;
if (k == count)
break ;
} ;
sf_close (infile) ;
return 0 ;
} /* main */
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