Chris@0: /*
Chris@0: ** Copyright (C) 1999-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
Chris@0: **
Chris@0: ** All rights reserved.
Chris@0: **
Chris@0: ** Redistribution and use in source and binary forms, with or without
Chris@0: ** modification, are permitted provided that the following conditions are
Chris@0: ** met:
Chris@0: **
Chris@0: **     * Redistributions of source code must retain the above copyright
Chris@0: **       notice, this list of conditions and the following disclaimer.
Chris@0: **     * Redistributions in binary form must reproduce the above copyright
Chris@0: **       notice, this list of conditions and the following disclaimer in
Chris@0: **       the documentation and/or other materials provided with the
Chris@0: **       distribution.
Chris@0: **     * Neither the author nor the names of any contributors may be used
Chris@0: **       to endorse or promote products derived from this software without
Chris@0: **       specific prior written permission.
Chris@0: **
Chris@0: ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
Chris@0: ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
Chris@0: ** TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
Chris@0: ** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
Chris@0: ** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
Chris@0: ** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
Chris@0: ** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
Chris@0: ** OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
Chris@0: ** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
Chris@0: ** OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
Chris@0: ** ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Chris@0: */
Chris@0: 
Chris@0: #include	<stdio.h>
Chris@0: #include	<stdlib.h>
Chris@0: #include	<string.h>
Chris@0: #include	<ctype.h>
Chris@0: 
Chris@0: #include	<sndfile.h>
Chris@0: 
Chris@0: #include	"common.h"
Chris@0: 
Chris@0: #define		BUFFER_LEN	(1<<16)
Chris@0: 
Chris@0: 
Chris@0: static void concat_data_fp (SNDFILE *wfile, SNDFILE *rofile, int channels) ;
Chris@0: static void concat_data_int (SNDFILE *wfile, SNDFILE *rofile, int channels) ;
Chris@0: 
Chris@0: static void
Chris@0: usage_exit (const char *progname)
Chris@0: {
Chris@0: 	printf ("\nUsage : %s <infile1> <infile2>  ... <outfile>\n\n", progname) ;
Chris@0: 	puts (
Chris@0: 		"    Create a new output file <outfile> containing the concatenated\n"
Chris@0: 		"    audio data from froms <infile1> <infile2> ....\n"
Chris@0: 		"\n"
Chris@0: 		"    The joined file will be encoded in the same format as the data\n"
Chris@0: 		"    in infile1, with all the data in subsequent files automatically\n"
Chris@0: 		"    converted to the correct encoding.\n"
Chris@0: 		"\n"
Chris@0: 		"    The only restriction is that the two files must have the same\n"
Chris@0: 		"    number of channels.\n"
Chris@0: 		) ;
Chris@0: 
Chris@0: 	exit (0) ;
Chris@0: } /* usage_exit */
Chris@0: 
Chris@0: int
Chris@0: main (int argc, char *argv [])
Chris@0: {	const char	*progname, *outfilename ;
Chris@0: 	SNDFILE	 	*outfile, **infiles ;
Chris@0: 	SF_INFO	 	sfinfo_out, sfinfo_in ;
Chris@0: 	void 		(*func) (SNDFILE*, SNDFILE*, int) ;
Chris@0: 	int			k ;
Chris@0: 
Chris@0: 	progname = program_name (argv [0]) ;
Chris@0: 
Chris@0: 	if (argc < 4)
Chris@0: 		usage_exit (progname) ;
Chris@0: 
Chris@0: 	argv ++ ;
Chris@0: 	argc -- ;
Chris@0: 
Chris@0: 	argc -- ;
Chris@0: 	outfilename = argv [argc] ;
Chris@0: 
Chris@0: 	if ((infiles = calloc (argc, sizeof (SNDFILE*))) == NULL)
Chris@0: 	{	printf ("\nError : Malloc failed.\n\n") ;
Chris@0: 		exit (1) ;
Chris@0: 		} ;
Chris@0: 
Chris@0: 	memset (&sfinfo_in, 0, sizeof (sfinfo_in)) ;
Chris@0: 
Chris@0: 	if ((infiles [0] = sf_open (argv [0], SFM_READ, &sfinfo_in)) == NULL)
Chris@0: 	{	printf ("\nError : failed to open file '%s'.\n\n", argv [0]) ;
Chris@0: 		exit (1) ;
Chris@0: 		} ;
Chris@0: 
Chris@0: 	sfinfo_out = sfinfo_in ;
Chris@0: 
Chris@0: 	for (k = 1 ; k < argc ; k++)
Chris@0: 	{	if ((infiles [k] = sf_open (argv [k], SFM_READ, &sfinfo_in)) == NULL)
Chris@0: 		{	printf ("\nError : failed to open file '%s'.\n\n", argv [k]) ;
Chris@0: 			exit (1) ;
Chris@0: 			} ;
Chris@0: 
Chris@0: 		if (sfinfo_in.channels != sfinfo_out.channels)
Chris@0: 		{	printf ("\nError : File '%s' has %d channels (should have %d).\n\n", argv [k], sfinfo_in.channels, sfinfo_out.channels) ;
Chris@0: 			exit (1) ;
Chris@0: 			} ;
Chris@0: 		} ;
Chris@0: 
Chris@0: 	if ((outfile = sf_open (outfilename, SFM_WRITE, &sfinfo_out)) == NULL)
Chris@0: 	{	printf ("\nError : Not able to open input file %s.\n", outfilename) ;
Chris@0: 		puts (sf_strerror (NULL)) ;
Chris@0: 		exit (1) ;
Chris@0: 		} ;
Chris@0: 
Chris@0: 	if ((sfinfo_out.format & SF_FORMAT_SUBMASK) == SF_FORMAT_DOUBLE ||
Chris@0: 			(sfinfo_out.format & SF_FORMAT_SUBMASK) == SF_FORMAT_FLOAT)
Chris@0: 		func = concat_data_fp ;
Chris@0: 	else
Chris@0: 		func = concat_data_int ;
Chris@0: 
Chris@0: 	for (k = 0 ; k < argc ; k++)
Chris@0: 	{	func (outfile, infiles [k], sfinfo_out.channels) ;
Chris@0: 		sf_close (infiles [k]) ;
Chris@0: 		} ;
Chris@0: 
Chris@0: 	sf_close (outfile) ;
Chris@0: 
Chris@0: 	return 0 ;
Chris@0: } /* main */
Chris@0: 
Chris@0: static void
Chris@0: concat_data_fp (SNDFILE *wfile, SNDFILE *rofile, int channels)
Chris@0: {	static double	data [BUFFER_LEN] ;
Chris@0: 	int		frames, readcount ;
Chris@0: 
Chris@0: 	frames = BUFFER_LEN / channels ;
Chris@0: 	readcount = frames ;
Chris@0: 
Chris@0: 	sf_seek (wfile, 0, SEEK_END) ;
Chris@0: 
Chris@0: 	while (readcount > 0)
Chris@0: 	{	readcount = sf_readf_double (rofile, data, frames) ;
Chris@0: 		sf_writef_double (wfile, data, readcount) ;
Chris@0: 		} ;
Chris@0: 
Chris@0: 	return ;
Chris@0: } /* concat_data_fp */
Chris@0: 
Chris@0: static void
Chris@0: concat_data_int (SNDFILE *wfile, SNDFILE *rofile, int channels)
Chris@0: {	static int	data [BUFFER_LEN] ;
Chris@0: 	int		frames, readcount ;
Chris@0: 
Chris@0: 	frames = BUFFER_LEN / channels ;
Chris@0: 	readcount = frames ;
Chris@0: 
Chris@0: 	sf_seek (wfile, 0, SEEK_END) ;
Chris@0: 
Chris@0: 	while (readcount > 0)
Chris@0: 	{	readcount = sf_readf_int (rofile, data, frames) ;
Chris@0: 		sf_writef_int (wfile, data, readcount) ;
Chris@0: 		} ;
Chris@0: 
Chris@0: 	return ;
Chris@0: } /* concat_data_int */
Chris@0: