view src/libsndfile-1.0.25/examples/generate.c @ 83:ae30d91d2ffe

Replace these with versions built using an older toolset (so as to avoid ABI compatibilities when linking on Ubuntu 14.04 for packaging purposes)
author Chris Cannam
date Fri, 07 Feb 2020 11:51:13 +0000
parents c7265573341e
children
line wrap: on
line source
/*
** Copyright (C) 2002-2011 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 "sfconfig.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>

#include <sndfile.h>

#define	BUFFER_LEN			4096

static void encode_file (const char *infilename, const char *outfilename, int filetype) ;

int
main (int argc, char **argv)
{
	if (argc != 2)
	{	puts ("\nEncode a single input file into a number of different output ") ;
		puts ("encodings. These output encodings can then be moved to another ") ;
		puts ("OS for testing.\n") ;
		puts ("    Usage : generate <filename>\n") ;
		exit (1) ;
		} ;

	/* A couple of standard WAV files. Make sure Win32 plays these. */
	encode_file (argv [1], "pcmu8.wav"	, SF_FORMAT_WAV | SF_FORMAT_PCM_U8) ;
	encode_file (argv [1], "pcm16.wav"	, SF_FORMAT_WAV | SF_FORMAT_PCM_16) ;
	encode_file (argv [1], "imaadpcm.wav", SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM) ;
	encode_file (argv [1], "msadpcm.wav", SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM) ;
	encode_file (argv [1], "gsm610.wav"	, SF_FORMAT_WAV | SF_FORMAT_GSM610) ;

	/* Soundforge W64. */
	encode_file (argv [1], "pcmu8.w64"	, SF_FORMAT_W64 | SF_FORMAT_PCM_U8) ;
	encode_file (argv [1], "pcm16.w64"	, SF_FORMAT_W64 | SF_FORMAT_PCM_16) ;
	encode_file (argv [1], "imaadpcm.w64", SF_FORMAT_W64 | SF_FORMAT_MS_ADPCM) ;
	encode_file (argv [1], "msadpcm.w64", SF_FORMAT_W64 | SF_FORMAT_IMA_ADPCM) ;
	encode_file (argv [1], "gsm610.w64"	, SF_FORMAT_W64 | SF_FORMAT_GSM610) ;

	return 0 ;
} /* main */

/*============================================================================================
**	Helper functions and macros.
*/

#define PUT_DOTS(k)					\
			{	while (k--)			\
					putchar ('.') ;	\
				putchar (' ') ;		\
				}

/*========================================================================================
*/

static void
encode_file (const char *infilename, const char *outfilename, int filetype)
{	static float buffer [BUFFER_LEN] ;

	SNDFILE		*infile, *outfile ;
	SF_INFO		sfinfo ;
	int			k, readcount ;

	printf ("    %s -> %s ", infilename, outfilename) ;
	fflush (stdout) ;

	k = 16 - strlen (outfilename) ;
	PUT_DOTS (k) ;

	if (! (infile = sf_open (infilename, SFM_READ, &sfinfo)))
	{	printf ("Error : could not open file : %s\n", infilename) ;
		puts (sf_strerror (NULL)) ;
		exit (1) ;
		}

	sfinfo.format = filetype ;

	if (! sf_format_check (&sfinfo))
	{	sf_close (infile) ;
		printf ("Invalid encoding\n") ;
		return ;
		} ;

	if (! (outfile = sf_open (outfilename, SFM_WRITE, &sfinfo)))
	{	printf ("Error : could not open file : %s\n", outfilename) ;
		puts (sf_strerror (NULL)) ;
		exit (1) ;
		} ;

	while ((readcount = sf_read_float (infile, buffer, BUFFER_LEN)) > 0)
		sf_write_float (outfile, buffer, readcount) ;

	sf_close (infile) ;
	sf_close (outfile) ;

	printf ("ok\n") ;

	return ;
} /* encode_file */