129 lines
3.9 KiB
C
129 lines
3.9 KiB
C
/*
|
|
** Copyright (C) 2008-2012 Erik de Castro Lopo <erikd@mega-nerd.com>
|
|
**
|
|
** All rights reserved.
|
|
**
|
|
** Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions are
|
|
** met:
|
|
**
|
|
** * Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** * Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in
|
|
** the documentation and/or other materials provided with the
|
|
** distribution.
|
|
** * Neither the author nor the names of any contributors may be used
|
|
** to endorse or promote products derived from this software without
|
|
** specific prior written permission.
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
** TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
|
** OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
** OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
|
** ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
|
|
#include <sndfile.h>
|
|
|
|
#define BLOCK_SIZE 512
|
|
|
|
static void
|
|
print_usage (char *progname)
|
|
{ printf ("\nUsage : %s <input file> <output file>\n", progname) ;
|
|
puts ("\n"
|
|
" Where the output file will contain a line for each frame\n"
|
|
" and a column for each channel.\n"
|
|
) ;
|
|
|
|
} /* print_usage */
|
|
|
|
static void
|
|
convert_to_text (SNDFILE * infile, FILE * outfile, int channels)
|
|
{ float buf [channels * BLOCK_SIZE] ;
|
|
int k, m, readcount ;
|
|
|
|
while ((readcount = sf_readf_float (infile, buf, BLOCK_SIZE)) > 0)
|
|
{ for (k = 0 ; k < readcount ; k++)
|
|
{ for (m = 0 ; m < channels ; m++)
|
|
fprintf (outfile, " % 12.10f", buf [k * channels + m]) ;
|
|
fprintf (outfile, "\n") ;
|
|
} ;
|
|
} ;
|
|
|
|
return ;
|
|
} /* convert_to_text */
|
|
|
|
int
|
|
main (int argc, char * argv [])
|
|
{ char *progname, *infilename, *outfilename ;
|
|
SNDFILE *infile = NULL ;
|
|
FILE *outfile = NULL ;
|
|
SF_INFO sfinfo ;
|
|
|
|
progname = strrchr (argv [0], '/') ;
|
|
progname = progname ? progname + 1 : argv [0] ;
|
|
|
|
if (argc != 3)
|
|
{ print_usage (progname) ;
|
|
return 1 ;
|
|
} ;
|
|
|
|
infilename = argv [1] ;
|
|
outfilename = argv [2] ;
|
|
|
|
if (strcmp (infilename, outfilename) == 0)
|
|
{ printf ("Error : Input and output filenames are the same.\n\n") ;
|
|
print_usage (progname) ;
|
|
return 1 ;
|
|
} ;
|
|
|
|
if (infilename [0] == '-')
|
|
{ printf ("Error : Input filename (%s) looks like an option.\n\n", infilename) ;
|
|
print_usage (progname) ;
|
|
return 1 ;
|
|
} ;
|
|
|
|
if (outfilename [0] == '-')
|
|
{ printf ("Error : Output filename (%s) looks like an option.\n\n", outfilename) ;
|
|
print_usage (progname) ;
|
|
return 1 ;
|
|
} ;
|
|
|
|
memset (&sfinfo, 0, sizeof (sfinfo)) ;
|
|
|
|
if ((infile = sf_open (infilename, SFM_READ, &sfinfo)) == NULL)
|
|
{ printf ("Not able to open input file %s.\n", infilename) ;
|
|
puts (sf_strerror (NULL)) ;
|
|
return 1 ;
|
|
} ;
|
|
|
|
/* Open the output file. */
|
|
if ((outfile = fopen (outfilename, "w")) == NULL)
|
|
{ printf ("Not able to open output file %s : %s\n", outfilename, sf_strerror (NULL)) ;
|
|
return 1 ;
|
|
} ;
|
|
|
|
fprintf (outfile, "# Converted from file %s.\n", infilename) ;
|
|
fprintf (outfile, "# Channels %d, Sample rate %d\n", sfinfo.channels, sfinfo.samplerate) ;
|
|
|
|
convert_to_text (infile, outfile, sfinfo.channels) ;
|
|
|
|
sf_close (infile) ;
|
|
fclose (outfile) ;
|
|
|
|
return 0 ;
|
|
} /* main */
|
|
|