Move library tree where it belongs

lib-src/libsndfile/examples/Makefile.am

@@ -0,0 +1,24 @@
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+
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+
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+
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+
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+
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+
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+generate_LDADD = $(top_builddir)/src/libsndfile.la
+
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+sndfilehandle_LDADD = $(top_builddir)/src/libsndfile.la
+

lib-src/libsndfile/examples/Makefile.in

@@ -0,0 +1,586 @@
+# Makefile.in generated by automake 1.10.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
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+ctags: CTAGS
+CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	tags=; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	test -z "$(CTAGS_ARGS)$$tags$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$tags $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && cd $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+	    fi; \
+	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+	  else \
+	    test -f $(distdir)/$$file \
+	    || cp -p $$d/$$file $(distdir)/$$file \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-info: install-info-am
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-ps: install-ps-am
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-noinstPROGRAMS ctags distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags uninstall uninstall-am
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

lib-src/libsndfile/examples/generate.c

@@ -0,0 +1,131 @@
+/*
+** Copyright (C) 2002-2009 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, BUFFER_LEN) ;
+
+	sf_close (infile) ;
+	sf_close (outfile) ;
+
+	printf ("ok\n") ;
+
+	return ;
+} /* encode_file */
+

lib-src/libsndfile/examples/list_formats.c

@@ -0,0 +1,83 @@
+/*
+** Copyright (C) 2001-2009 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	<math.h>
+
+#include	<sndfile.h>
+
+int
+main (void)
+{	SF_FORMAT_INFO	info ;
+	SF_INFO 		sfinfo ;
+	char buffer [128] ;
+	int format, major_count, subtype_count, m, s ;
+
+	memset (&sfinfo, 0, sizeof (sfinfo)) ;
+	buffer [0] = 0 ;
+	sf_command (NULL, SFC_GET_LIB_VERSION, buffer, sizeof (buffer)) ;
+	if (strlen (buffer) < 1)
+	{	printf ("Line %d: could not retrieve lib version.\n", __LINE__) ;
+		exit (1) ;
+		} ;
+	printf ("Version : %s\n\n", buffer) ;
+
+	sf_command (NULL, SFC_GET_FORMAT_MAJOR_COUNT, &major_count, sizeof (int)) ;
+	sf_command (NULL, SFC_GET_FORMAT_SUBTYPE_COUNT, &subtype_count, sizeof (int)) ;
+
+	sfinfo.channels = 1 ;
+	for (m = 0 ; m < major_count ; m++)
+	{	info.format = m ;
+		sf_command (NULL, SFC_GET_FORMAT_MAJOR, &info, sizeof (info)) ;
+		printf ("%s  (extension \"%s\")\n", info.name, info.extension) ;
+
+		format = info.format ;
+
+		for (s = 0 ; s < subtype_count ; s++)
+		{	info.format = s ;
+			sf_command (NULL, SFC_GET_FORMAT_SUBTYPE, &info, sizeof (info)) ;
+
+			format = (format & SF_FORMAT_TYPEMASK) | info.format ;
+
+			sfinfo.format = format ;
+			if (sf_format_check (&sfinfo))
+				printf ("   %s\n", info.name) ;
+			} ;
+		puts ("") ;
+		} ;
+	puts ("") ;
+
+	return 0 ;
+} /* main */
+

lib-src/libsndfile/examples/make_sine.c

@@ -0,0 +1,96 @@
+/*
+** Copyright (C) 1999-2009 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	<math.h>
+
+#include	<sndfile.h>
+
+#ifndef		M_PI
+#define		M_PI		3.14159265358979323846264338
+#endif
+
+#define		SAMPLE_RATE			44100
+#define		SAMPLE_COUNT		(SAMPLE_RATE * 4)	/* 4 seconds */
+#define		AMPLITUDE			(1.0 * 0x7F000000)
+#define		LEFT_FREQ			(344.0 / SAMPLE_RATE)
+#define		RIGHT_FREQ			(466.0 / SAMPLE_RATE)
+
+int
+main (void)
+{	SNDFILE	*file ;
+	SF_INFO	sfinfo ;
+	int		k ;
+	int	*buffer ;
+
+	if (! (buffer = malloc (2 * SAMPLE_COUNT * sizeof (int))))
+	{	printf ("Malloc failed.\n") ;
+		exit (0) ;
+		} ;
+
+	memset (&sfinfo, 0, sizeof (sfinfo)) ;
+
+	sfinfo.samplerate	= SAMPLE_RATE ;
+	sfinfo.frames		= SAMPLE_COUNT ;
+	sfinfo.channels		= 2 ;
+	sfinfo.format		= (SF_FORMAT_WAV | SF_FORMAT_PCM_24) ;
+
+	if (! (file = sf_open ("sine.wav", SFM_WRITE, &sfinfo)))
+	{	printf ("Error : Not able to open output file.\n") ;
+		return 1 ;
+		} ;
+
+	if (sfinfo.channels == 1)
+	{	for (k = 0 ; k < SAMPLE_COUNT ; k++)
+			buffer [k] = AMPLITUDE * sin (LEFT_FREQ * 2 * k * M_PI) ;
+		}
+	else if (sfinfo.channels == 2)
+	{	for (k = 0 ; k < SAMPLE_COUNT ; k++)
+		{	buffer [2 * k] = AMPLITUDE * sin (LEFT_FREQ * 2 * k * M_PI) ;
+			buffer [2 * k + 1] = AMPLITUDE * sin (RIGHT_FREQ * 2 * k * M_PI) ;
+			} ;
+		}
+	else
+	{	printf ("makesine can only generate mono or stereo files.\n") ;
+		exit (1) ;
+		} ;
+
+	if (sf_write_int (file, buffer, sfinfo.channels * SAMPLE_COUNT) !=
+											sfinfo.channels * SAMPLE_COUNT)
+		puts (sf_strerror (file)) ;
+
+	sf_close (file) ;
+	return	 0 ;
+} /* main */
+

lib-src/libsndfile/examples/sfprocess.c

@@ -0,0 +1,137 @@
+/*
+** Copyright (C) 2001-2009 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 this header file to use functions from libsndfile. */
+#include	<sndfile.h>
+
+/*    This will be the length of the buffer used to hold.frames while
+**    we process them.
+*/
+#define		BUFFER_LEN	1024
+
+/* libsndfile can handle more than 6 channels but we'll restrict it to 6. */
+#define		MAX_CHANNELS	6
+
+/* Function prototype. */
+static void process_data (double *data, int count, int channels) ;
+
+
+int
+main (void)
+{   /* This is a buffer of double precision floating point values
+    ** which will hold our data while we process it.
+    */
+    static double data [BUFFER_LEN] ;
+
+    /* A SNDFILE is very much like a FILE in the Standard C library. The
+    ** sf_open function return an SNDFILE* pointer when they sucessfully
+	** open the specified file.
+    */
+    SNDFILE      *infile, *outfile ;
+
+    /* A pointer to an SF_INFO stutct is passed to sf_open.
+    ** On read, the library fills this struct with information about the file.
+    ** On write, the struct must be filled in before calling sf_open.
+    */
+    SF_INFO		sfinfo ;
+    int			readcount ;
+    const char	*infilename = "input.wav" ;
+    const char	*outfilename = "output.wav" ;
+
+    /* Here's where we open the input file. We pass sf_open the file name and
+    ** a pointer to an SF_INFO struct.
+    ** On successful open, sf_open returns a SNDFILE* pointer which is used
+    ** for all subsequent operations on that file.
+    ** If an error occurs during sf_open, the function returns a NULL pointer.
+	**
+	** If you are trying to open a raw headerless file you will need to set the
+	** format and channels fields of sfinfo before calling sf_open(). For
+	** instance to open a raw 16 bit stereo PCM file you would need the following
+	** two lines:
+	**
+	**		sfinfo.format   = SF_FORMAT_RAW | SF_FORMAT_PCM_16 ;
+	**		sfinfo.channels = 2 ;
+    */
+    if (! (infile = sf_open (infilename, SFM_READ, &sfinfo)))
+    {   /* Open failed so print an error message. */
+        printf ("Not able to open input file %s.\n", infilename) ;
+        /* Print the error message from libsndfile. */
+        puts (sf_strerror (NULL)) ;
+        return  1 ;
+        } ;
+
+    if (sfinfo.channels > MAX_CHANNELS)
+    {   printf ("Not able to process more than %d channels\n", MAX_CHANNELS) ;
+        return  1 ;
+        } ;
+    /* Open the output file. */
+    if (! (outfile = sf_open (outfilename, SFM_WRITE, &sfinfo)))
+    {   printf ("Not able to open output file %s.\n", outfilename) ;
+        puts (sf_strerror (NULL)) ;
+        return  1 ;
+        } ;
+
+    /* While there are.frames in the input file, read them, process
+    ** them and write them to the output file.
+    */
+    while ((readcount = sf_read_double (infile, data, BUFFER_LEN)))
+    {   process_data (data, readcount, sfinfo.channels) ;
+        sf_write_double (outfile, data, readcount) ;
+        } ;
+
+    /* Close input and output files. */
+    sf_close (infile) ;
+    sf_close (outfile) ;
+
+    return 0 ;
+} /* main */
+
+static void
+process_data (double *data, int count, int channels)
+{	double channel_gain [MAX_CHANNELS] = { 0.5, 0.8, 0.1, 0.4, 0.4, 0.9 } ;
+    int k, chan ;
+
+    /* Process the data here.
+    ** If the soundfile contains more then 1 channel you need to take care of
+    ** the data interleaving youself.
+    ** Current we just apply a channel dependant gain.
+    */
+
+    for (chan = 0 ; chan < channels ; chan ++)
+        for (k = chan ; k < count ; k+= channels)
+            data [k] *= channel_gain [chan] ;
+
+    return ;
+} /* process_data */
+

lib-src/libsndfile/examples/sndfile-to-text.c

@@ -0,0 +1,126 @@
+/*
+** Copyright (C) 2008-2009 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 ;
+		} ;
+
+	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 */
+

lib-src/libsndfile/examples/sndfilehandle.cc

@@ -0,0 +1,84 @@
+/*
+** Copyright (C) 2007 Erik de Castro Lopo <erikd@mega-nerd.com>
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License as published by
+** the Free Software Foundation; either version 2 of the License, or
+** (at your option) any later version.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include	<cstdio>
+#include	<cstring>
+
+#include	<sndfile.hh>
+
+#define		BUFFER_LEN		1024
+
+static void
+create_file (const char * fname, int format)
+{	static short buffer [BUFFER_LEN] ;
+
+	SndfileHandle file ;
+	int channels = 2 ;
+	int srate = 48000 ;
+
+	printf ("Creating file named '%s'\n", fname) ;
+
+	file = SndfileHandle (fname, SFM_WRITE, format, channels, srate) ;
+
+	memset (buffer, 0, sizeof (buffer)) ;
+
+	file.write (buffer, BUFFER_LEN) ;
+
+	puts ("") ;
+	/*
+	**	The SndfileHandle object will automatically close the file and
+	**	release all allocated memory when the object goes out of scope.
+	**	This is the Resource Acquisition Is Initailization idom.
+	**	See : http://en.wikipedia.org/wiki/Resource_Acquisition_Is_Initialization
+	*/
+} /* create_file */
+
+static void
+read_file (const char * fname)
+{	static short buffer [BUFFER_LEN] ;
+
+	SndfileHandle file ;
+
+	file = SndfileHandle (fname) ;
+
+	printf ("Opened file '%s'\n", fname) ;
+	printf ("    Sample rate : %d\n", file.samplerate ()) ;
+	printf ("    Channels    : %d\n", file.channels ()) ;
+
+	file.read (buffer, BUFFER_LEN) ;
+
+	puts ("") ;
+
+	/* RAII takes care of destroying SndfileHandle object. */
+} /* read_file */
+
+int
+main (void)
+{	const char * fname = "test.wav" ;
+
+	puts ("\nSimple example showing usage of the C++ SndfileHandle object.\n") ;
+
+	create_file (fname, SF_FORMAT_WAV | SF_FORMAT_PCM_16) ;
+
+	read_file (fname) ;
+
+	puts ("Done.\n") ;
+	return 0 ;
+} /* main */
+
+