diff src/libsndfile-1.0.25/examples/generate.c @ 0:c7265573341e

Import initial set of sources

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/libsndfile-1.0.25/examples/generate.c	Mon Mar 18 14:12:14 2013 +0000
@@ -0,0 +1,131 @@
+/*
+** Copyright (C) 2002-2011 Erik de Castro Lopo <[e-mail]>
+**
+** 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 */
+