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/*
** Copyright (C) 1999-2011 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>
#include "common.h"
#define BUFFER_LEN (1<<16)
static void concat_data_fp (SNDFILE *wfile, SNDFILE *rofile, int channels) ;
static void concat_data_int (SNDFILE *wfile, SNDFILE *rofile, int channels) ;
static void
usage_exit (const char *progname)
{
printf ("\nUsage : %s <infile1> <infile2> ... <outfile>\n\n", progname) ;
puts (
" Create a new output file <outfile> containing the concatenated\n"
" audio data from froms <infile1> <infile2> ....\n"
"\n"
" The joined file will be encoded in the same format as the data\n"
" in infile1, with all the data in subsequent files automatically\n"
" converted to the correct encoding.\n"
"\n"
" The only restriction is that the two files must have the same\n"
" number of channels.\n"
) ;
exit (0) ;
} /* usage_exit */
int
main (int argc, char *argv [])
{ const char *progname, *outfilename ;
SNDFILE *outfile, **infiles ;
SF_INFO sfinfo_out, sfinfo_in ;
void (*func) (SNDFILE*, SNDFILE*, int) ;
int k ;
progname = program_name (argv [0]) ;
if (argc < 4)
usage_exit (progname) ;
argv ++ ;
argc -- ;
argc -- ;
outfilename = argv [argc] ;
if ((infiles = calloc (argc, sizeof (SNDFILE*))) == NULL)
{ printf ("\nError : Malloc failed.\n\n") ;
exit (1) ;
} ;
memset (&sfinfo_in, 0, sizeof (sfinfo_in)) ;
if ((infiles [0] = sf_open (argv [0], SFM_READ, &sfinfo_in)) == NULL)
{ printf ("\nError : failed to open file '%s'.\n\n", argv [0]) ;
exit (1) ;
} ;
sfinfo_out = sfinfo_in ;
for (k = 1 ; k < argc ; k++)
{ if ((infiles [k] = sf_open (argv [k], SFM_READ, &sfinfo_in)) == NULL)
{ printf ("\nError : failed to open file '%s'.\n\n", argv [k]) ;
exit (1) ;
} ;
if (sfinfo_in.channels != sfinfo_out.channels)
{ printf ("\nError : File '%s' has %d channels (should have %d).\n\n", argv [k], sfinfo_in.channels, sfinfo_out.channels) ;
exit (1) ;
} ;
} ;
if ((outfile = sf_open (outfilename, SFM_WRITE, &sfinfo_out)) == NULL)
{ printf ("\nError : Not able to open input file %s.\n", outfilename) ;
puts (sf_strerror (NULL)) ;
exit (1) ;
} ;
if ((sfinfo_out.format & SF_FORMAT_SUBMASK) == SF_FORMAT_DOUBLE ||
(sfinfo_out.format & SF_FORMAT_SUBMASK) == SF_FORMAT_FLOAT)
func = concat_data_fp ;
else
func = concat_data_int ;
for (k = 0 ; k < argc ; k++)
{ func (outfile, infiles [k], sfinfo_out.channels) ;
sf_close (infiles [k]) ;
} ;
sf_close (outfile) ;
return 0 ;
} /* main */
static void
concat_data_fp (SNDFILE *wfile, SNDFILE *rofile, int channels)
{ static double data [BUFFER_LEN] ;
int frames, readcount ;
frames = BUFFER_LEN / channels ;
readcount = frames ;
sf_seek (wfile, 0, SEEK_END) ;
while (readcount > 0)
{ readcount = sf_readf_double (rofile, data, frames) ;
sf_writef_double (wfile, data, readcount) ;
} ;
return ;
} /* concat_data_fp */
static void
concat_data_int (SNDFILE *wfile, SNDFILE *rofile, int channels)
{ static int data [BUFFER_LEN] ;
int frames, readcount ;
frames = BUFFER_LEN / channels ;
readcount = frames ;
sf_seek (wfile, 0, SEEK_END) ;
while (readcount > 0)
{ readcount = sf_readf_int (rofile, data, frames) ;
sf_writef_int (wfile, data, readcount) ;
} ;
return ;
} /* concat_data_int */
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