add libsndifle 1.0.17 to in tree libs

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3761 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/libsndfile/examples/Makefile.am

@@ -0,0 +1,46 @@
+## Process this file with automake to produce Makefile.in
+
+bin_PROGRAMS = sndfile-info sndfile-play sndfile-convert
+
+noinst_PROGRAMS = make_sine sfprocess list_formats cooledit-fixer generate
+
+# This is the BeOS version of sndfile-play. It needs to be compiled with the C++
+# compiler.
+EXTRA_DIST = sndfile-play-beos.cpp
+
+OS_SPECIFIC_CFLAGS = @OS_SPECIFIC_CFLAGS@
+OS_SPECIFIC_LINKS = @OS_SPECIFIC_LINKS@
+
+SNDFILEDIR =../src
+INCLUDES = -I$(srcdir)/$(SNDFILEDIR) $(OS_SPECIFIC_CFLAGS)
+
+sndfile_info_SOURCES = sndfile-info.c 
+sndfile_info_LDADD = $(SNDFILEDIR)/libsndfile.la
+
+sndfile_play_SOURCES = sndfile-play.c 
+sndfile_play_LDADD = $(SNDFILEDIR)/libsndfile.la $(OS_SPECIFIC_LINKS) $(ALSA_LIBS)
+
+sndfile_convert_SOURCES = sndfile-convert.c 
+sndfile_convert_LDADD = $(SNDFILEDIR)/libsndfile.la
+ 
+make_sine_SOURCES = make_sine.c 
+make_sine_LDADD = $(SNDFILEDIR)/libsndfile.la
+
+sfprocess_SOURCES = sfprocess.c 
+sfprocess_LDADD = $(SNDFILEDIR)/libsndfile.la
+
+list_formats_SOURCES = list_formats.c 
+list_formats_LDADD = $(SNDFILEDIR)/libsndfile.la
+
+cooledit_fixer_SOURCES = cooledit-fixer.c 
+cooledit_fixer_LDADD = $(SNDFILEDIR)/libsndfile.la
+
+generate_SOURCES = generate.c 
+generate_LDADD = $(SNDFILEDIR)/libsndfile.la
+
+## Do not edit or modify anything in this comment block.
+## The arch-tag line is a file identity tag for the GNU Arch 
+## revision control system.
+##
+## arch-tag: faeb8674-e417-4162-9ac9-05f2b8369b57
+

libs/libsndfile/examples/Makefile.in

@@ -0,0 +1,565 @@
+# Makefile.in generated by automake 1.9.6 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005  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,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
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+
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+host_triplet = @host@
+target_triplet = @target@
+bin_PROGRAMS = sndfile-info$(EXEEXT) sndfile-play$(EXEEXT) \
+	sndfile-convert$(EXEEXT)
+noinst_PROGRAMS = make_sine$(EXEEXT) sfprocess$(EXEEXT) \
+	list_formats$(EXEEXT) cooledit-fixer$(EXEEXT) \
+	generate$(EXEEXT)
+subdir = examples
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+am_generate_OBJECTS = generate.$(OBJEXT)
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+
+# This is the BeOS version of sndfile-play. It needs to be compiled with the C++
+# compiler.
+EXTRA_DIST = sndfile-play-beos.cpp
+SNDFILEDIR = ../src
+INCLUDES = -I$(srcdir)/$(SNDFILEDIR) $(OS_SPECIFIC_CFLAGS)
+sndfile_info_SOURCES = sndfile-info.c 
+sndfile_info_LDADD = $(SNDFILEDIR)/libsndfile.la
+sndfile_play_SOURCES = sndfile-play.c 
+sndfile_play_LDADD = $(SNDFILEDIR)/libsndfile.la $(OS_SPECIFIC_LINKS) $(ALSA_LIBS)
+sndfile_convert_SOURCES = sndfile-convert.c 
+sndfile_convert_LDADD = $(SNDFILEDIR)/libsndfile.la
+make_sine_SOURCES = make_sine.c 
+make_sine_LDADD = $(SNDFILEDIR)/libsndfile.la
+sfprocess_SOURCES = sfprocess.c 
+sfprocess_LDADD = $(SNDFILEDIR)/libsndfile.la
+list_formats_SOURCES = list_formats.c 
+list_formats_LDADD = $(SNDFILEDIR)/libsndfile.la
+cooledit_fixer_SOURCES = cooledit-fixer.c 
+cooledit_fixer_LDADD = $(SNDFILEDIR)/libsndfile.la
+generate_SOURCES = generate.c 
+generate_LDADD = $(SNDFILEDIR)/libsndfile.la
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+
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+	@rm -f generate$(EXEEXT)
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+	@rm -f sfprocess$(EXEEXT)
+	$(LINK) $(sfprocess_LDFLAGS) $(sfprocess_OBJECTS) $(sfprocess_LDADD) $(LIBS)
+sndfile-convert$(EXEEXT): $(sndfile_convert_OBJECTS) $(sndfile_convert_DEPENDENCIES) 
+	@rm -f sndfile-convert$(EXEEXT)
+	$(LINK) $(sndfile_convert_LDFLAGS) $(sndfile_convert_OBJECTS) $(sndfile_convert_LDADD) $(LIBS)
+sndfile-info$(EXEEXT): $(sndfile_info_OBJECTS) $(sndfile_info_DEPENDENCIES) 
+	@rm -f sndfile-info$(EXEEXT)
+	$(LINK) $(sndfile_info_LDFLAGS) $(sndfile_info_OBJECTS) $(sndfile_info_LDADD) $(LIBS)
+sndfile-play$(EXEEXT): $(sndfile_play_OBJECTS) $(sndfile_play_DEPENDENCIES) 
+	@rm -f sndfile-play$(EXEEXT)
+	$(LINK) $(sndfile_play_LDFLAGS) $(sndfile_play_OBJECTS) $(sndfile_play_LDADD) $(LIBS)
+
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+	tags=; \
+	here=`pwd`; \
+	list='$(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[$$0] = 1; } \
+	       END { for (i in files) print i; }'`; \
+	test -z "$(CTAGS_ARGS)$$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)'; for file in $$list; do \
+	  case $$file in \
+	    $(srcdir)/*) file=`echo "$$file" | sed "s|^$$srcdirstrip/||"`;; \
+	    $(top_srcdir)/*) file=`echo "$$file" | sed "s|^$$topsrcdirstrip/|$(top_builddir)/|"`;; \
+	  esac; \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
+	  if test "$$dir" != "$$file" && test "$$dir" != "."; then \
+	    dir="/$$dir"; \
+	    $(mkdir_p) "$(distdir)$$dir"; \
+	  else \
+	    dir=''; \
+	  fi; \
+	  if test -d $$d/$$file; then \
+	    if test -d $(srcdir)/$$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 $(PROGRAMS)
+installdirs:
+	for dir in "$(DESTDIR)$(bindir)"; do \
+	  test -z "$$dir" || $(mkdir_p) "$$dir"; \
+	done
+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 $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-binPROGRAMS clean-generic clean-libtool \
+	clean-noinstPROGRAMS mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-libtool distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-exec-am: install-binPROGRAMS
+
+install-info: install-info-am
+
+install-man:
+
+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: uninstall-binPROGRAMS uninstall-info-am
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-binPROGRAMS \
+	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-binPROGRAMS \
+	install-data install-data-am install-exec install-exec-am \
+	install-info install-info-am install-man 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 uninstall-binPROGRAMS \
+	uninstall-info-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:

libs/libsndfile/examples/cooledit-fixer.c

@@ -0,0 +1,231 @@
+/*
+** Copyright (C) 2002-2005 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <sys/stat.h>
+
+#include <sndfile.h>
+
+#define	BUFFER_LEN	1024
+
+static void usage_exit (char *progname) ;
+static int is_data_really_float (SNDFILE *sndfile) ;
+static void fix_file (char *filename) ;
+static off_t file_size (char *filename) ;
+
+static union
+{	int i [BUFFER_LEN] ;
+	float f [BUFFER_LEN] ;
+} buffer ;
+
+int
+main (int argc, char *argv [])
+{	SNDFILE *sndfile ;
+	SF_INFO sfinfo ;
+	int k, data_is_float, converted = 0 ;
+
+	puts ("\nCooledit Fixer.\n---------------") ;
+
+	if (argc < 2)
+		usage_exit (argv [0]) ;
+
+	for (k = 1 ; k < argc ; k++)
+	{	if ((sndfile = sf_open (argv [k], SFM_READ, &sfinfo)) == NULL)
+		{	/*-printf ("Failed to open : %s\n", argv [k]) ;-*/
+			continue ;
+			} ;
+
+		if (sfinfo.format != (SF_FORMAT_WAV | SF_FORMAT_PCM_32))
+		{	/*-printf ("%-50s : not a 32 bit PCM WAV file.\n", argv [k]) ;-*/
+			sf_close (sndfile) ;
+			continue ;
+			} ;
+
+		data_is_float = is_data_really_float (sndfile) ;
+
+		sf_close (sndfile) ;
+
+		if (data_is_float == SF_FALSE)
+		{	/*-printf ("%-50s : not a Cooledit abomination.\n", argv [k]) ;-*/
+			continue ;
+			} ;
+
+		fix_file (argv [k]) ;
+		converted ++ ;
+		} ;
+
+	if (converted == 0)
+		puts ("\nNo files converted.") ;
+
+	puts ("") ;
+
+	return 0 ;
+} /* main */
+
+
+static void
+usage_exit (char *progname)
+{	char *cptr ;
+
+	if ((cptr = strrchr (progname, '/')))
+		progname = cptr + 1 ;
+	if ((cptr = strrchr (progname, '\\')))
+		progname = cptr + 1 ;
+
+	printf ("\n    Usage : %s <filename>\n", progname) ;
+	puts ("\n"
+		"Fix broken files created by Syntrillium's Cooledit. These files are \n"
+		"marked as containing PCM data but actually contain floating point \n"
+		"data. Only the broken files created by Cooledit are processed. All \n"
+		"other files remain untouched.\n"
+		"\n"
+		"More than one file may be included on the command line. \n"
+		) ;
+
+	exit (1) ;
+} /* usage_exit */
+
+static int
+is_data_really_float (SNDFILE *sndfile)
+{	int 	k, readcount ;
+
+	while ((readcount = sf_read_int (sndfile, buffer.i, BUFFER_LEN)) > 0)
+	{	for (k = 0 ; k < readcount ; k++)
+		{	if (buffer.i [k] == 0)
+				continue ;
+
+			if (fabs (buffer.f [k]) > 32768.0)
+				return SF_FALSE ;
+			} ;
+		} ;
+
+	return SF_TRUE ;
+} /* is_data_really_float */
+
+static void
+fix_file (char *filename)
+{	static	char	newfilename [512] ;
+
+	SNDFILE *infile, *outfile ;
+	SF_INFO	sfinfo ;
+	int		readcount, k ;
+	float	normfactor ;
+	char	*cptr ;
+
+	printf ("\nFixing : %s\n", filename) ;
+
+	if ((infile = sf_open (filename, SFM_READ, &sfinfo)) == NULL)
+	{	printf ("Not able to open input file %s\n", filename) ;
+		exit (1) ;
+		} ;
+
+	if (strlen (filename) >= sizeof (newfilename) - 1)
+	{	puts ("Error : Path name too long.\n") ;
+		exit (1) ;
+		} ;
+
+	strncpy (newfilename, filename, sizeof (newfilename)) ;
+	newfilename [sizeof (newfilename) - 1] = 0 ;
+
+	if ((cptr = strrchr (newfilename, '/')) == NULL)
+		cptr = strrchr (newfilename, '\\') ;
+
+	if (cptr)
+	{	cptr [1] = 0 ;
+		strncat (newfilename, "fixed.wav", sizeof (newfilename) - strlen (newfilename) - 1) ;
+		}
+	else
+		strncpy (newfilename, "fixed.wav", sizeof (newfilename) - 1) ;
+
+	newfilename [sizeof (newfilename) - 1] = 0 ;
+
+	printf ("    Output   : %s\n", newfilename) ;
+
+	sfinfo.format = SF_FORMAT_WAV | SF_FORMAT_FLOAT ;
+
+	if ((outfile = sf_open (newfilename, SFM_WRITE, &sfinfo)) == NULL)
+	{	printf ("Not able to output open file %s\n", filename) ;
+		exit (1) ;
+		} ;
+
+	/* Find the file peak. sf-command (SFC_CALC_SIGNAL_MAX) cannot be used. */
+
+	normfactor = 0.0 ;
+
+	while ((readcount = sf_read_int (infile, buffer.i, BUFFER_LEN)) > 0)
+	{	for (k = 0 ; k < readcount ; k++)
+			if (fabs (buffer.f [k]) > normfactor)
+				normfactor = fabs (buffer.f [k]) ;
+		} ;
+
+	printf ("    Peak     : %g\n", normfactor) ;
+
+	normfactor = 1.0 / normfactor ;
+
+	sf_seek (infile, 0, SEEK_SET) ;
+
+	while ((readcount = sf_read_int (infile, buffer.i, BUFFER_LEN)) > 0)
+	{	for (k = 0 ; k < readcount ; k++)
+			buffer.f [k] *= normfactor ;
+		sf_write_float (outfile, buffer.f, readcount) ;
+		} ;
+
+	sf_close (infile) ;
+	sf_close (outfile) ;
+
+	if (abs (file_size (filename) - file_size (newfilename)) > 50)
+	{	puts ("Error : file size mismatch.\n") ;
+		exit (1) ;
+		} ;
+
+	printf ("    Renaming : %s\n", filename) ;
+
+	if (remove (filename) != 0)
+	{	perror ("rename") ;
+		exit (1) ;
+		} ;
+
+	if (rename (newfilename, filename) != 0)
+	{	perror ("rename") ;
+		exit (1) ;
+		} ;
+
+	return ;
+} /* fix_file */
+
+static off_t
+file_size (char *filename)
+{	struct stat buf ;
+
+	if (stat (filename, &buf) != 0)
+	{	perror ("stat") ;
+		exit (1) ;
+		} ;
+
+	return buf.st_size ;
+} /* file_size */
+/*
+** Do not edit or modify anything in this comment block.
+** The arch-tag line is a file identity tag for the GNU Arch
+** revision control system.
+**
+** arch-tag: 5475655e-3898-40ff-969b-c8ab2351b0e4
+*/

libs/libsndfile/examples/generate.c

@@ -0,0 +1,125 @@
+/*
+** Copyright (C) 2002-2005 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 "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 */
+
+
+/*
+** Do not edit or modify anything in this comment block.
+** The arch-tag line is a file identity tag for the GNU Arch
+** revision control system.
+**
+** arch-tag: fe28ef37-ae89-4f61-966b-0b1f68e37425
+*/

libs/libsndfile/examples/list_formats.c

@@ -0,0 +1,76 @@
+/*
+** Copyright (C) 2001-2005 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	<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 */
+
+/*
+** Do not edit or modify anything in this comment block.
+** The arch-tag line is a file identity tag for the GNU Arch
+** revision control system.
+**
+** arch-tag: 58127a0c-93a2-46cf-b615-fcb9adacf3f1
+*/

libs/libsndfile/examples/make_sine.c

@@ -0,0 +1,89 @@
+/*
+** Copyright (C) 1999-2005 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	<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 */
+
+/*
+** Do not edit or modify anything in this comment block.
+** The arch-tag line is a file identity tag for the GNU Arch
+** revision control system.
+**
+** arch-tag: fd945a2c-a306-49ef-a262-6336ced15246
+*/

libs/libsndfile/examples/sfprocess.c

@@ -0,0 +1,131 @@
+/*
+** Copyright (C) 2001-2005 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	<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 */
+
+
+/*
+** Do not edit or modify anything in this comment block.
+** The arch-tag line is a file identity tag for the GNU Arch
+** revision control system.
+**
+** arch-tag: de9fdd1e-b807-41ef-9d51-075ba383e536
+*/

libs/libsndfile/examples/sndfile-convert.c

@@ -0,0 +1,376 @@
+/*
+** Copyright (C) 1999-2005 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#include <sndfile.h>
+
+#define	 BUFFER_LEN	1024
+
+
+typedef	struct
+{	char	*infilename, *outfilename ;
+	SF_INFO	infileinfo, outfileinfo ;
+} OptionData ;
+
+typedef struct
+{	const char	*ext ;
+	int			len ;
+	int			format ;
+} OUTPUT_FORMAT_MAP ;
+
+static void copy_metadata (SNDFILE *outfile, SNDFILE *infile) ;
+static void copy_data_fp (SNDFILE *outfile, SNDFILE *infile, int channels) ;
+static void copy_data_int (SNDFILE *outfile, SNDFILE *infile, int channels) ;
+
+static OUTPUT_FORMAT_MAP format_map [] =
+{
+	{	"aif",		3,	SF_FORMAT_AIFF	},
+	{	"wav", 		0,	SF_FORMAT_WAV	},
+	{	"au",		0,	SF_FORMAT_AU	},
+	{	"caf",		0,	SF_FORMAT_CAF	},
+	{	"flac",		0,	SF_FORMAT_FLAC	},
+	{	"snd",		0,	SF_FORMAT_AU	},
+	{	"svx",		0,	SF_FORMAT_SVX	},
+	{	"paf",		0,	SF_ENDIAN_BIG | SF_FORMAT_PAF	},
+	{	"fap",		0,	SF_ENDIAN_LITTLE | SF_FORMAT_PAF	},
+	{	"gsm",		0,	SF_FORMAT_RAW	},
+	{	"nist", 	0,	SF_FORMAT_NIST	},
+	{	"ircam",	0,	SF_FORMAT_IRCAM	},
+	{	"sf",		0, 	SF_FORMAT_IRCAM	},
+	{	"voc",		0, 	SF_FORMAT_VOC	},
+	{	"w64", 		0, 	SF_FORMAT_W64	},
+	{	"raw",		0,	SF_FORMAT_RAW	},
+	{	"mat4", 	0,	SF_FORMAT_MAT4	},
+	{	"mat5", 	0, 	SF_FORMAT_MAT5 	},
+	{	"mat",		0, 	SF_FORMAT_MAT4 	},
+	{	"pvf",		0, 	SF_FORMAT_PVF 	},
+	{	"sds",		0, 	SF_FORMAT_SDS 	},
+	{	"sd2",		0, 	SF_FORMAT_SD2 	},
+	{	"vox",		0, 	SF_FORMAT_RAW 	},
+	{	"xi",		0, 	SF_FORMAT_XI 	}
+} ; /* format_map */
+
+static int
+guess_output_file_type (char *str, int format)
+{	char	buffer [16], *cptr ;
+	int		k ;
+
+	format &= SF_FORMAT_SUBMASK ;
+
+	if ((cptr = strrchr (str, '.')) == NULL)
+		return 0 ;
+
+	strncpy (buffer, cptr + 1, 15) ;
+	buffer [15] = 0 ;
+
+	for (k = 0 ; buffer [k] ; k++)
+		buffer [k] = tolower ((buffer [k])) ;
+
+	if (strcmp (buffer, "gsm") == 0)
+		return SF_FORMAT_RAW | SF_FORMAT_GSM610 ;
+
+	if (strcmp (buffer, "vox") == 0)
+		return SF_FORMAT_RAW | SF_FORMAT_VOX_ADPCM ;
+
+	for (k = 0 ; k < (int) (sizeof (format_map) / sizeof (format_map [0])) ; k++)
+	{	if (format_map [k].len > 0 && strncmp (buffer, format_map [k].ext, format_map [k].len) == 0)
+			return format_map [k].format | format ;
+		else if (strcmp (buffer, format_map [k].ext) == 0)
+			return format_map [k].format | format ;
+		} ;
+
+	return	0 ;
+} /* guess_output_file_type */
+
+
+static void
+print_usage (char *progname)
+{	SF_FORMAT_INFO	info ;
+
+	int k ;
+
+	printf ("\nUsage : %s [encoding] <input file> <output file>\n", progname) ;
+	puts ("\n"
+		"    where [encoding] may be one of the following:\n\n"
+		"        -pcms8     : force the output to signed 8 bit pcm\n"
+		"        -pcmu8     : force the output to unsigned 8 bit pcm\n"
+		"        -pcm16     : force the output to 16 bit pcm\n"
+		"        -pcm24     : force the output to 24 bit pcm\n"
+		"        -pcm32     : force the output to 32 bit pcm\n"
+		"        -float32   : force the output to 32 bit floating point"
+		) ;
+	puts (
+		"        -ulaw      : force the output ULAW\n"
+		"        -alaw      : force the output ALAW\n"
+		"        -ima-adpcm : force the output to IMA ADPCM (WAV only)\n"
+		"        -ms-adpcm  : force the output to MS ADPCM (WAV only)\n"
+		"        -gsm610    : force the GSM6.10 (WAV only)\n"
+		"        -dwvw12    : force the output to 12 bit DWVW (AIFF only)\n"
+		"        -dwvw16    : force the output to 16 bit DWVW (AIFF only)\n"
+		"        -dwvw24    : force the output to 24 bit DWVW (AIFF only)\n"
+		) ;
+
+	puts (
+		"    The format of the output file is determined by the file extension of the\n"
+		"    output file name. The following extensions are currently understood:\n"
+		) ;
+
+	for (k = 0 ; k < (int) (sizeof (format_map) / sizeof (format_map [0])) ; k++)
+	{	info.format = format_map [k].format ;
+		sf_command (NULL, SFC_GET_FORMAT_INFO, &info, sizeof (info)) ;
+		printf ("        %-10s : %s\n", format_map [k].ext, info.name) ;
+		} ;
+
+	puts ("") ;
+} /* print_usage */
+
+int
+main (int argc, char * argv [])
+{	char 		*progname, *infilename, *outfilename ;
+	SNDFILE	 	*infile = NULL, *outfile = NULL ;
+	SF_INFO	 	sfinfo ;
+	int			k, outfilemajor, outfileminor = 0, infileminor ;
+
+	progname = strrchr (argv [0], '/') ;
+	progname = progname ? progname + 1 : argv [0] ;
+
+	if (argc < 3 || argc > 5)
+	{	print_usage (progname) ;
+		return 1 ;
+		} ;
+
+	infilename = argv [argc-2] ;
+	outfilename = argv [argc-1] ;
+
+	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 ;
+		} ;
+
+	for (k = 1 ; k < argc - 2 ; k++)
+	{	if (! strcmp (argv [k], "-pcms8"))
+		{	outfileminor = SF_FORMAT_PCM_S8 ;
+			continue ;
+			} ;
+		if (! strcmp (argv [k], "-pcmu8"))
+		{	outfileminor = SF_FORMAT_PCM_U8 ;
+			continue ;
+			} ;
+		if (! strcmp (argv [k], "-pcm16"))
+		{	outfileminor = SF_FORMAT_PCM_16 ;
+			continue ;
+			} ;
+		if (! strcmp (argv [k], "-pcm24"))
+		{	outfileminor = SF_FORMAT_PCM_24 ;
+			continue ;
+			} ;
+		if (! strcmp (argv [k], "-pcm32"))
+		{	outfileminor = SF_FORMAT_PCM_32 ;
+			continue ;
+			} ;
+		if (! strcmp (argv [k], "-float32"))
+		{	outfileminor = SF_FORMAT_FLOAT ;
+			continue ;
+			} ;
+		if (! strcmp (argv [k], "-ulaw"))
+		{	outfileminor = SF_FORMAT_ULAW ;
+			continue ;
+			} ;
+		if (! strcmp (argv [k], "-alaw"))
+		{	outfileminor = SF_FORMAT_ALAW ;
+			continue ;
+			} ;
+		if (! strcmp (argv [k], "-ima-adpcm"))
+		{	outfileminor = SF_FORMAT_IMA_ADPCM ;
+			continue ;
+			} ;
+		if (! strcmp (argv [k], "-ms-adpcm"))
+		{	outfileminor = SF_FORMAT_MS_ADPCM ;
+			continue ;
+			} ;
+		if (! strcmp (argv [k], "-gsm610"))
+		{	outfileminor = SF_FORMAT_GSM610 ;
+			continue ;
+			} ;
+		if (! strcmp (argv [k], "-dwvw12"))
+		{	outfileminor = SF_FORMAT_DWVW_12 ;
+			continue ;
+			} ;
+		if (! strcmp (argv [k], "-dwvw16"))
+		{	outfileminor = SF_FORMAT_DWVW_16 ;
+			continue ;
+			} ;
+		if (! strcmp (argv [k], "-dwvw24"))
+		{	outfileminor = SF_FORMAT_DWVW_24 ;
+			continue ;
+			} ;
+
+		printf ("Error : Not able to decode argunment '%s'.\n", argv [k]) ;
+		exit (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 ;
+		} ;
+
+	infileminor = sfinfo.format & SF_FORMAT_SUBMASK ;
+
+	if ((sfinfo.format = guess_output_file_type (outfilename, sfinfo.format)) == 0)
+	{	printf ("Error : Not able to determine output file type for %s.\n", outfilename) ;
+		return 1 ;
+		} ;
+
+	outfilemajor = sfinfo.format & (SF_FORMAT_TYPEMASK | SF_FORMAT_ENDMASK) ;
+
+	if (outfileminor == 0)
+		outfileminor = sfinfo.format & SF_FORMAT_SUBMASK ;
+
+	if (outfileminor != 0)
+		sfinfo.format = outfilemajor | outfileminor ;
+	else
+		sfinfo.format = outfilemajor | (sfinfo.format & SF_FORMAT_SUBMASK) ;
+
+	if ((sfinfo.format & SF_FORMAT_TYPEMASK) == SF_FORMAT_XI)
+		switch (sfinfo.format & SF_FORMAT_SUBMASK)
+		{	case SF_FORMAT_PCM_16 :
+					sfinfo.format = outfilemajor | SF_FORMAT_DPCM_16 ;
+					break ;
+
+			case SF_FORMAT_PCM_S8 :
+			case SF_FORMAT_PCM_U8 :
+					sfinfo.format = outfilemajor | SF_FORMAT_DPCM_8 ;
+					break ;
+			} ;
+
+	if (sf_format_check (&sfinfo) == 0)
+	{	printf ("Error : output file format is invalid (0x%08X).\n", sfinfo.format) ;
+		return 1 ;
+		} ;
+
+	/* Open the output file. */
+	if ((outfile = sf_open (outfilename, SFM_WRITE, &sfinfo)) == NULL)
+	{	printf ("Not able to open output file %s : %s\n", outfilename, sf_strerror (NULL)) ;
+		return 1 ;
+		} ;
+
+	/* Copy the metadata */
+	copy_metadata (outfile, infile) ;
+
+	if ((outfileminor == SF_FORMAT_DOUBLE) || (outfileminor == SF_FORMAT_FLOAT) ||
+				(infileminor == SF_FORMAT_DOUBLE) || (infileminor == SF_FORMAT_FLOAT))
+		copy_data_fp (outfile, infile, sfinfo.channels) ;
+	else
+		copy_data_int (outfile, infile, sfinfo.channels) ;
+
+	sf_close (infile) ;
+	sf_close (outfile) ;
+
+	return 0 ;
+} /* main */
+
+static void
+copy_metadata (SNDFILE *outfile, SNDFILE *infile)
+{	SF_INSTRUMENT inst ;
+	const char *str ;
+	int k, err = 0 ;
+
+	for (k = SF_STR_FIRST ; k <= SF_STR_LAST ; k++)
+	{	str = sf_get_string (infile, k) ;
+		if (str != NULL)
+			err = sf_set_string (outfile, k, str) ;
+		} ;
+
+	memset (&inst, 0, sizeof (inst)) ;
+	if (sf_command (infile, SFC_GET_INSTRUMENT, &inst, sizeof (inst)) == SF_TRUE)
+		sf_command (outfile, SFC_SET_INSTRUMENT, &inst, sizeof (inst)) ;
+
+} /* copy_metadata */
+
+static void
+copy_data_fp (SNDFILE *outfile, SNDFILE *infile, int channels)
+{	static double	data [BUFFER_LEN], max ;
+	int		frames, readcount, k ;
+
+	frames = BUFFER_LEN / channels ;
+	readcount = frames ;
+
+	sf_command (infile, SFC_CALC_SIGNAL_MAX, &max, sizeof (max)) ;
+
+	if (max < 1.0)
+	{	while (readcount > 0)
+		{	readcount = sf_readf_double (infile, data, frames) ;
+			sf_writef_double (outfile, data, readcount) ;
+			} ;
+		}
+	else
+	{	sf_command (infile, SFC_SET_NORM_DOUBLE, NULL, SF_FALSE) ;
+
+		while (readcount > 0)
+		{	readcount = sf_readf_double (infile, data, frames) ;
+			for (k = 0 ; k < readcount * channels ; k++)
+				data [k] /= max ;
+			sf_writef_double (outfile, data, readcount) ;
+			} ;
+		} ;
+
+	return ;
+} /* copy_data_fp */
+
+static void
+copy_data_int (SNDFILE *outfile, SNDFILE *infile, int channels)
+{	static int	data [BUFFER_LEN] ;
+	int		frames, readcount ;
+
+	frames = BUFFER_LEN / channels ;
+	readcount = frames ;
+
+	while (readcount > 0)
+	{	readcount = sf_readf_int (infile, data, frames) ;
+		sf_writef_int (outfile, data, readcount) ;
+		} ;
+
+	return ;
+} /* copy_data_int */
+
+/*
+** Do not edit or modify anything in this comment block.
+** The arch-tag line is a file identity tag for the GNU Arch
+** revision control system.
+**
+** arch-tag: 259682b3-2887-48a6-b5bb-3cde00521ba3
+*/

libs/libsndfile/examples/sndfile-info.c

@@ -0,0 +1,354 @@
+/*
+** Copyright (C) 1999-2006 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	<stdio.h>
+#include	<stdlib.h>
+#include	<string.h>
+#include	<ctype.h>
+#include	<math.h>
+
+#include	<sndfile.h>
+
+#define	BUFFER_LEN		(1 << 16)
+
+#if (defined (WIN32) || defined (_WIN32))
+#define	snprintf	_snprintf
+#endif
+
+static void print_version (void) ;
+static void print_usage (const char *progname) ;
+
+static void info_dump (const char *filename) ;
+static void instrument_dump (const char *filename) ;
+static void broadcast_dump (const char *filename) ;
+
+int
+main (int argc, char *argv [])
+{	int	k ;
+
+	print_version () ;
+
+	if (argc < 2 || strcmp (argv [1], "--help") == 0 || strcmp (argv [1], "-h") == 0)
+	{	char *progname ;
+
+		progname = strrchr (argv [0], '/') ;
+		progname = progname ? progname + 1 : argv [0] ;
+
+		print_usage (progname) ;
+		return 1 ;
+		} ;
+
+	if (strcmp (argv [1], "-i") == 0)
+	{	instrument_dump (argv [2]) ;
+		return 0 ;
+		} ;
+
+	if (strcmp (argv [1], "-b") == 0)
+	{	broadcast_dump (argv [2]) ;
+		return 0 ;
+		} ;
+
+	for (k = 1 ; k < argc ; k++)
+		info_dump (argv [k]) ;
+
+	return 0 ;
+} /* main */
+
+/*==============================================================================
+**	Print version and usage.
+*/
+
+static double	data [BUFFER_LEN] ;
+
+static void
+print_version (void)
+{	char buffer [256] ;
+
+	sf_command (NULL, SFC_GET_LIB_VERSION, buffer, sizeof (buffer)) ;
+	printf ("\nVersion : %s\n\n", buffer) ;
+} /* print_version */
+
+
+static void
+print_usage (const char *progname)
+{	printf ("Usage :\n  %s <file> ...\n", progname) ;
+	printf ("    Prints out information about one or more sound files.\n\n") ;
+	printf ("  %s -i <file>\n", progname) ;
+	printf ("    Prints out the instrument data for the given file.\n\n") ;
+	printf ("  %s -b <file>\n", progname) ;
+	printf ("    Prints out the broadcast WAV info for the given file.\n\n") ;
+#if (defined (_WIN32) || defined (WIN32))
+		printf ("This is a Unix style command line application which\n"
+				"should be run in a MSDOS box or Command Shell window.\n\n") ;
+		printf ("Sleeping for 5 seconds before exiting.\n\n") ;
+		fflush (stdout) ;
+
+		/* This is the officially blessed by microsoft way but I can't get
+		** it to link.
+		**     Sleep (15) ;
+		** Instead, use this:
+		*/
+		_sleep (5 * 1000) ;
+#endif
+} /* print_usage */
+
+/*==============================================================================
+**	Dumping of sndfile info.
+*/
+
+static double	data [BUFFER_LEN] ;
+
+static double
+get_signal_max (SNDFILE *file)
+{	double	max, temp ;
+	int		readcount, k, save_state ;
+
+	save_state = sf_command (file, SFC_GET_NORM_DOUBLE, NULL, 0) ;
+	sf_command (file, SFC_SET_NORM_DOUBLE, NULL, SF_FALSE) ;
+
+	max = 0.0 ;
+	while ((readcount = sf_read_double (file, data, BUFFER_LEN)))
+	{	for (k = 0 ; k < readcount ; k++)
+		{	temp = fabs (data [k]) ;
+			if (temp > max)
+				max = temp ;
+			} ;
+		} ;
+
+	sf_command (file, SFC_SET_NORM_DOUBLE, NULL, save_state) ;
+
+	return max ;
+} /* get_signal_max */
+
+static double
+calc_decibels (SF_INFO * sfinfo, double max)
+{	double decibels ;
+
+	switch (sfinfo->format & SF_FORMAT_SUBMASK)
+	{	case SF_FORMAT_PCM_U8 :
+		case SF_FORMAT_PCM_S8 :
+			decibels = max / 0x80 ;
+			break ;
+
+		case SF_FORMAT_PCM_16 :
+			decibels = max / 0x8000 ;
+			break ;
+
+		case SF_FORMAT_PCM_24 :
+			decibels = max / 0x800000 ;
+			break ;
+
+		case SF_FORMAT_PCM_32 :
+			decibels = max / 0x80000000 ;
+			break ;
+
+		case SF_FORMAT_FLOAT :
+		case SF_FORMAT_DOUBLE :
+			decibels = max / 1.0 ;
+			break ;
+
+		default :
+			decibels = max / 0x8000 ;
+			break ;
+		} ;
+
+	return 20.0 * log10 (decibels) ;
+} /* calc_decibels */
+
+static const char *
+generate_duration_str (SF_INFO *sfinfo)
+{	static char str [128] ;
+
+	int seconds ;
+
+	memset (str, 0, sizeof (str)) ;
+
+	if (sfinfo->samplerate < 1)
+		return NULL ;
+
+	if (sfinfo->frames / sfinfo->samplerate > 0x7FFFFFFF)
+		return "unknown" ;
+
+	seconds = sfinfo->frames / sfinfo->samplerate ;
+
+	snprintf (str, sizeof (str) - 1, "%02d:", seconds / 60 / 60) ;
+
+	seconds = seconds % (60 * 60) ;
+	snprintf (str + strlen (str), sizeof (str) - strlen (str) - 1, "%02d:", seconds / 60) ;
+
+	seconds = seconds % 60 ;
+	snprintf (str + strlen (str), sizeof (str) - strlen (str) - 1, "%02d.", seconds) ;
+
+	seconds = ((1000 * sfinfo->frames) / sfinfo->samplerate) % 1000 ;
+	snprintf (str + strlen (str), sizeof (str) - strlen (str) - 1, "%03d", seconds) ;
+
+	return str ;
+} /* generate_duration_str */
+
+static void
+info_dump (const char *filename)
+{	static	char	strbuffer [BUFFER_LEN] ;
+	SNDFILE	 	*file ;
+	SF_INFO	 	sfinfo ;
+	double		signal_max, decibels ;
+
+	memset (&sfinfo, 0, sizeof (sfinfo)) ;
+
+	if ((file = sf_open (filename, SFM_READ, &sfinfo)) == NULL)
+	{	printf ("Error : Not able to open input file %s.\n", filename) ;
+		fflush (stdout) ;
+		memset (data, 0, sizeof (data)) ;
+		sf_command (file, SFC_GET_LOG_INFO, strbuffer, BUFFER_LEN) ;
+		puts (strbuffer) ;
+		puts (sf_strerror (NULL)) ;
+		return ;
+		} ;
+
+	printf ("========================================\n") ;
+	sf_command (file, SFC_GET_LOG_INFO, strbuffer, BUFFER_LEN) ;
+	puts (strbuffer) ;
+	printf ("----------------------------------------\n") ;
+
+	if (file == NULL)
+	{	printf ("Error : Not able to open input file %s.\n", filename) ;
+		fflush (stdout) ;
+		memset (data, 0, sizeof (data)) ;
+		puts (sf_strerror (NULL)) ;
+		}
+	else
+	{	printf ("Sample Rate : %d\n", sfinfo.samplerate) ;
+		if (sfinfo.frames > 0x7FFFFFFF)
+			printf ("Frames      : unknown\n") ;
+		else
+			printf ("Frames      : %ld\n", (long) sfinfo.frames) ;
+		printf ("Channels    : %d\n", sfinfo.channels) ;
+		printf ("Format      : 0x%08X\n", sfinfo.format) ;
+		printf ("Sections    : %d\n", sfinfo.sections) ;
+		printf ("Seekable    : %s\n", (sfinfo.seekable ? "TRUE" : "FALSE")) ;
+		printf ("Duration    : %s\n", generate_duration_str (&sfinfo)) ;
+
+		/* Do not use sf_signal_max because it doesn work for non-seekable files . */
+		signal_max = get_signal_max (file) ;
+		decibels = calc_decibels (&sfinfo, signal_max) ;
+		printf ("Signal Max  : %g (%4.2f dB)\n\n", signal_max, decibels) ;
+		} ;
+
+	sf_close (file) ;
+
+} /* info_dump */
+
+/*==============================================================================
+**	Dumping of SF_INSTRUMENT data.
+*/
+
+static const char *
+str_of_type (int mode)
+{	switch (mode)
+	{	case SF_LOOP_NONE : return "none" ;
+		case SF_LOOP_FORWARD : return "fwd " ;
+		case SF_LOOP_BACKWARD : return "back" ;
+		case SF_LOOP_ALTERNATING : return "alt " ;
+		default : break ;
+		} ;
+
+	return "????" ;
+} /* str_of_mode */
+
+static void
+instrument_dump (const char *filename)
+{	SNDFILE	 *file ;
+	SF_INFO	 sfinfo ;
+	SF_INSTRUMENT inst ;
+	int got_inst, k ;
+
+	memset (&sfinfo, 0, sizeof (sfinfo)) ;
+
+	if ((file = sf_open (filename, SFM_READ, &sfinfo)) == NULL)
+	{	printf ("Error : Not able to open input file %s.\n", filename) ;
+		fflush (stdout) ;
+		memset (data, 0, sizeof (data)) ;
+		puts (sf_strerror (NULL)) ;
+		return ;
+		} ;
+
+	got_inst = sf_command (file, SFC_GET_INSTRUMENT, &inst, sizeof (inst)) ;
+	sf_close (file) ;
+
+	if (got_inst == SF_FALSE)
+	{	printf ("Error : File '%s' does not contain instrument data.\n\n", filename) ;
+		return ;
+		} ;
+
+	printf ("Instrument : %s\n\n", filename) ;
+	printf ("  Gain        : %d\n", inst.gain) ;
+	printf ("  Base note   : %d\n", inst.basenote) ;
+	printf ("  Velocity    : %d - %d\n", (int) inst.velocity_lo, (int) inst.velocity_hi) ;
+	printf ("  Key         : %d - %d\n", (int) inst.key_lo, (int) inst.key_hi) ;
+	printf ("  Loop points : %d\n", inst.loop_count) ;
+
+	for (k = 0 ; k < inst.loop_count ; k++)
+		printf ("  %-2d    Mode : %s    Start : %6d   End : %6d   Count : %6d\n", k, str_of_type (inst.loops [k].mode), inst.loops [k].start, inst.loops [k].end, inst.loops [k].count) ;
+
+	putchar ('\n') ;
+} /* instrument_dump */
+
+static void
+broadcast_dump (const char *filename)
+{	SNDFILE	 *file ;
+	SF_INFO	 sfinfo ;
+	SF_BROADCAST_INFO bext ;
+	int got_bext ;
+
+	memset (&sfinfo, 0, sizeof (sfinfo)) ;
+
+	if ((file = sf_open (filename, SFM_READ, &sfinfo)) == NULL)
+	{	printf ("Error : Not able to open input file %s.\n", filename) ;
+		fflush (stdout) ;
+		memset (data, 0, sizeof (data)) ;
+		puts (sf_strerror (NULL)) ;
+		return ;
+		} ;
+
+	memset (&bext, 0, sizeof (SF_BROADCAST_INFO)) ;
+
+	got_bext = sf_command (file, SFC_GET_BROADCAST_INFO, &bext, sizeof (bext)) ;
+	sf_close (file) ;
+
+	if (got_bext == SF_FALSE)
+	{	printf ("Error : File '%s' does not contain broadcast information.\n\n", filename) ;
+		return ;
+		} ;
+
+	printf ("Description      : %.*s\n", (int) sizeof (bext.description), bext.description) ;
+	printf ("Originator       : %.*s\n", (int) sizeof (bext.originator), bext.originator) ;
+	printf ("Origination ref  : %.*s\n", (int) sizeof (bext.originator_reference), bext.originator_reference) ;
+	printf ("Origination date : %.*s\n", (int) sizeof (bext.origination_date), bext.origination_date) ;
+	printf ("Origination time : %.*s\n", (int) sizeof (bext.origination_time), bext.origination_time) ;
+	printf ("BWF version      : %d\n", bext.version) ;
+	printf ("UMID             : %.*s\n", (int) sizeof (bext.umid), bext.umid) ;
+	printf ("Coding history   : %.*s\n", bext.coding_history_size, bext.coding_history) ;
+
+} /* broadcast_dump */
+
+/*
+** Do not edit or modify anything in this comment block.
+** The arch-tag line is a file identity tag for the GNU Arch
+** revision control system.
+**
+** arch-tag: f59a05db-a182-41de-aedd-d717ce2bb099
+*/

libs/libsndfile/examples/sndfile-play-beos.cpp

@@ -0,0 +1,153 @@
+/*
+** Copyright (C) 2001 Marcus Overhagen <marcus@overhagen.de>
+**  
+** 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	<stdio.h>
+
+#include 	<Application.h>
+#include 	<SoundPlayer.h>
+#include 	<string.h>
+
+#include	<sndfile.h>
+
+#define	BUFFER_LEN		1024
+
+/*------------------------------------------------------------------------------
+**	BeOS functions for playing a sound.
+*/
+
+#if defined (__BEOS__)
+
+struct shared_data
+{
+	BSoundPlayer *player;
+	SNDFILE *sndfile;
+	SF_INFO sfinfo;	
+	sem_id finished;
+};
+
+static void 
+buffer_callback(void *theCookie, void *buf, size_t size, const media_raw_audio_format &format) 
+{
+	shared_data *data = (shared_data *)theCookie;
+	short *buffer = (short *)buf;
+	int count = size / sizeof(short);
+	int m, readcount;
+
+	if (!data->player->HasData())
+		return;
+
+	readcount = sf_read_short(data->sndfile, buffer, count);
+	if (readcount == 0) 
+	{	data->player->SetHasData(false);		
+		release_sem(data->finished);
+		}
+	if (readcount < count) 
+	{	for (m = readcount ; m < count ; m++)
+			buffer [m] = 0 ;
+		}
+	if (data->sfinfo.pcmbitwidth < 16) 
+	{	for (m = 0 ; m < count ; m++)
+			buffer [m] *= 256 ;
+		}
+}
+
+static void
+beos_play (int argc, char *argv [])
+{
+	shared_data data;
+	status_t status;
+	int	k;
+
+	/* BSoundPlayer requires a BApplication object */
+	BApplication app("application/x-vnd.MarcusOverhagen-sfplay");
+
+	for (k = 1 ; k < argc ; k++)
+	{	printf ("Playing %s\n", argv [k]) ;	
+		if (! (data.sndfile = sf_open_read (argv [k], &data.sfinfo)))
+		{	sf_perror (NULL) ;
+			continue ;
+			} ;
+			
+		if (data.sfinfo.channels < 1 || data.sfinfo.channels > 2)
+		{	printf ("Error : channels = %d.\n", data.sfinfo.channels) ;
+			sf_close (data.sndfile) ;
+			continue ;
+			} ;		
+
+		data.finished = create_sem(0,"finished");			
+
+		media_raw_audio_format format = 
+		{ 	data.sfinfo.samplerate,
+			data.sfinfo.channels,
+			media_raw_audio_format::B_AUDIO_SHORT,
+			B_HOST_IS_LENDIAN ? B_MEDIA_LITTLE_ENDIAN : B_MEDIA_BIG_ENDIAN,
+			BUFFER_LEN * sizeof(short)
+			};
+
+		BSoundPlayer player(&format,"player",buffer_callback,NULL,&data);
+		data.player = &player;
+		
+		if ((status = player.InitCheck()) != B_OK) 
+		{
+			printf ("Error : BSoundPlayer init failed, %s.\n", strerror(status)) ;
+			delete_sem(data.finished);
+			sf_close (data.sndfile) ;
+			continue ;
+			}
+
+		player.SetVolume(1.0);
+		player.Start();
+		player.SetHasData(true);
+		acquire_sem(data.finished);
+		player.Stop();
+		delete_sem(data.finished);
+		
+		sf_close (data.sndfile) ;
+
+		} ;
+
+} /* beos_play */
+
+#endif
+
+/*==============================================================================
+**	Main function.
+*/
+
+int 
+main (int argc, char *argv [])
+{
+	if (argc < 2)
+	{	printf ("Usage : %s <input sound file>\n\n", argv [0]) ;
+		return 1 ;
+		} ;
+	
+	beos_play (argc, argv) ;
+
+	return 0 ;
+} /* main */
+		
+
+/*
+** Do not edit or modify anything in this comment block.
+** The arch-tag line is a file identity tag for the GNU Arch 
+** revision control system.
+**
+** arch-tag: 5407a79d-88de-41c7-8d8e-9acf2cf13cc1
+*/
+

libs/libsndfile/examples/sndfile-play.c

@@ -0,0 +1,960 @@
+/*
+** Copyright (C) 1999-2005 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 "sfconfig.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#if HAVE_ALSA_ASOUNDLIB_H
+	#define ALSA_PCM_NEW_HW_PARAMS_API
+	#define ALSA_PCM_NEW_SW_PARAMS_API
+	#include <alsa/asoundlib.h>
+	#include <sys/time.h>
+#endif
+
+#if defined (__linux__)
+	#include 	<fcntl.h>
+	#include 	<sys/ioctl.h>
+	#include 	<sys/soundcard.h>
+
+#elif (defined (__MACH__) && defined (__APPLE__))
+	#include <Carbon.h>
+	#include <CoreAudio/AudioHardware.h>
+
+#elif (defined (sun) && defined (unix))
+	#include <fcntl.h>
+	#include <sys/ioctl.h>
+	#include <sys/audioio.h>
+
+#elif (OS_IS_WIN32 == 1)
+	#include <windows.h>
+	#include <mmsystem.h>
+
+#endif
+
+#include	<sndfile.h>
+
+#define	SIGNED_SIZEOF(x)	((int) sizeof (x))
+#define	BUFFER_LEN			(2048)
+
+/*------------------------------------------------------------------------------
+**	Linux/OSS functions for playing a sound.
+*/
+
+#if HAVE_ALSA_ASOUNDLIB_H
+
+static snd_pcm_t * alsa_open (int channels, unsigned srate, int realtime) ;
+static int alsa_write_float (snd_pcm_t *alsa_dev, float *data, int frames, int channels) ;
+
+static void
+alsa_play (int argc, char *argv [])
+{	static float buffer [BUFFER_LEN] ;
+	SNDFILE *sndfile ;
+	SF_INFO sfinfo ;
+	snd_pcm_t * alsa_dev ;
+	int		k, readcount, subformat ;
+
+	for (k = 1 ; k < argc ; k++)
+	{	memset (&sfinfo, 0, sizeof (sfinfo)) ;
+
+		printf ("Playing %s\n", argv [k]) ;
+		if (! (sndfile = sf_open (argv [k], SFM_READ, &sfinfo)))
+		{	puts (sf_strerror (NULL)) ;
+			continue ;
+			} ;
+
+		if (sfinfo.channels < 1 || sfinfo.channels > 2)
+		{	printf ("Error : channels = %d.\n", sfinfo.channels) ;
+			continue ;
+			} ;
+
+		if ((alsa_dev = alsa_open (sfinfo.channels, (unsigned) sfinfo.samplerate, SF_FALSE)) == NULL)
+			continue ;
+
+		subformat = sfinfo.format & SF_FORMAT_SUBMASK ;
+
+		if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
+		{	double	scale ;
+			int 	m ;
+
+			sf_command (sndfile, SFC_CALC_SIGNAL_MAX, &scale, sizeof (scale)) ;
+			if (scale < 1e-10)
+				scale = 1.0 ;
+			else
+				scale = 32700.0 / scale ;
+
+			while ((readcount = sf_read_float (sndfile, buffer, BUFFER_LEN)))
+			{	for (m = 0 ; m < readcount ; m++)
+					buffer [m] *= scale ;
+				alsa_write_float (alsa_dev, buffer, BUFFER_LEN / sfinfo.channels, sfinfo.channels) ;
+				} ;
+			}
+		else
+		{	while ((readcount = sf_read_float (sndfile, buffer, BUFFER_LEN)))
+				alsa_write_float (alsa_dev, buffer, BUFFER_LEN / sfinfo.channels, sfinfo.channels) ;
+			} ;
+
+		snd_pcm_drain (alsa_dev) ;
+		snd_pcm_close (alsa_dev) ;
+
+		sf_close (sndfile) ;
+		} ;
+
+	return ;
+} /* alsa_play */
+
+static snd_pcm_t *
+alsa_open (int channels, unsigned samplerate, int realtime)
+{	const char * device = "plughw:0" ;
+	snd_pcm_t *alsa_dev = NULL ;
+	snd_pcm_hw_params_t *hw_params ;
+	snd_pcm_uframes_t buffer_size, xfer_align, start_threshold ;
+	snd_pcm_uframes_t alsa_period_size, alsa_buffer_frames ;
+	snd_pcm_sw_params_t *sw_params ;
+
+	int err ;
+
+	if (realtime)
+	{	alsa_period_size = 256 ;
+		alsa_buffer_frames = 3 * alsa_period_size ;
+		}
+	else
+	{	alsa_period_size = 1024 ;
+		alsa_buffer_frames = 4 * alsa_period_size ;
+		} ;
+
+	if ((err = snd_pcm_open (&alsa_dev, device, SND_PCM_STREAM_PLAYBACK, 0)) < 0)
+	{	fprintf (stderr, "cannot open audio device \"%s\" (%s)\n", device, snd_strerror (err)) ;
+		goto catch_error ;
+		} ;
+
+	snd_pcm_nonblock (alsa_dev, 0) ;
+
+	if ((err = snd_pcm_hw_params_malloc (&hw_params)) < 0)
+	{	fprintf (stderr, "cannot allocate hardware parameter structure (%s)\n", snd_strerror (err)) ;
+		goto catch_error ;
+		} ;
+
+	if ((err = snd_pcm_hw_params_any (alsa_dev, hw_params)) < 0)
+	{	fprintf (stderr, "cannot initialize hardware parameter structure (%s)\n", snd_strerror (err)) ;
+		goto catch_error ;
+		} ;
+
+	if ((err = snd_pcm_hw_params_set_access (alsa_dev, hw_params, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0)
+	{	fprintf (stderr, "cannot set access type (%s)\n", snd_strerror (err)) ;
+		goto catch_error ;
+		} ;
+
+	if ((err = snd_pcm_hw_params_set_format (alsa_dev, hw_params, SND_PCM_FORMAT_FLOAT)) < 0)
+	{	fprintf (stderr, "cannot set sample format (%s)\n", snd_strerror (err)) ;
+		goto catch_error ;
+		} ;
+
+	if ((err = snd_pcm_hw_params_set_rate_near (alsa_dev, hw_params, &samplerate, 0)) < 0)
+	{	fprintf (stderr, "cannot set sample rate (%s)\n", snd_strerror (err)) ;
+		goto catch_error ;
+		} ;
+
+	if ((err = snd_pcm_hw_params_set_channels (alsa_dev, hw_params, channels)) < 0)
+	{	fprintf (stderr, "cannot set channel count (%s)\n", snd_strerror (err)) ;
+		goto catch_error ;
+		} ;
+
+	if ((err = snd_pcm_hw_params_set_buffer_size_near (alsa_dev, hw_params, &alsa_buffer_frames)) < 0)
+	{	fprintf (stderr, "cannot set buffer size (%s)\n", snd_strerror (err)) ;
+		goto catch_error ;
+		} ;
+
+	if ((err = snd_pcm_hw_params_set_period_size_near (alsa_dev, hw_params, &alsa_period_size, 0)) < 0)
+	{	fprintf (stderr, "cannot set period size (%s)\n", snd_strerror (err)) ;
+		goto catch_error ;
+		} ;
+
+	if ((err = snd_pcm_hw_params (alsa_dev, hw_params)) < 0)
+	{	fprintf (stderr, "cannot set parameters (%s)\n", snd_strerror (err)) ;
+		goto catch_error ;
+		} ;
+
+	/* extra check: if we have only one period, this code won't work */
+	snd_pcm_hw_params_get_period_size (hw_params, &alsa_period_size, 0) ;
+	snd_pcm_hw_params_get_buffer_size (hw_params, &buffer_size) ;
+	if (alsa_period_size == buffer_size)
+	{	fprintf (stderr, "Can't use period equal to buffer size (%lu == %lu)", alsa_period_size, buffer_size) ;
+		goto catch_error ;
+		} ;
+
+	snd_pcm_hw_params_free (hw_params) ;
+
+	if ((err = snd_pcm_sw_params_malloc (&sw_params)) != 0)
+	{	fprintf (stderr, "%s: snd_pcm_sw_params_malloc: %s", __func__, snd_strerror (err)) ;
+		goto catch_error ;
+		} ;
+
+	if ((err = snd_pcm_sw_params_current (alsa_dev, sw_params)) != 0)
+	{	fprintf (stderr, "%s: snd_pcm_sw_params_current: %s", __func__, snd_strerror (err)) ;
+		goto catch_error ;
+		} ;
+
+	/* note: set start threshold to delay start until the ring buffer is full */
+	snd_pcm_sw_params_current (alsa_dev, sw_params) ;
+	if ((err = snd_pcm_sw_params_get_xfer_align (sw_params, &xfer_align)) < 0)
+	{	fprintf (stderr, "cannot get xfer align (%s)\n", snd_strerror (err)) ;
+		goto catch_error ;
+		} ;
+
+	/* round up to closest transfer boundary */
+	start_threshold = (buffer_size / xfer_align) * xfer_align ;
+	if (start_threshold < 1)
+		start_threshold = 1 ;
+	if ((err = snd_pcm_sw_params_set_start_threshold (alsa_dev, sw_params, start_threshold)) < 0)
+	{	fprintf (stderr, "cannot set start threshold (%s)\n", snd_strerror (err)) ;
+		goto catch_error ;
+		} ;
+
+	if ((err = snd_pcm_sw_params (alsa_dev, sw_params)) != 0)
+	{	fprintf (stderr, "%s: snd_pcm_sw_params: %s", __func__, snd_strerror (err)) ;
+		goto catch_error ;
+		} ;
+
+	snd_pcm_sw_params_free (sw_params) ;
+
+	snd_pcm_reset (alsa_dev) ;
+
+catch_error :
+
+	if (err < 0 && alsa_dev != NULL)
+	{	snd_pcm_close (alsa_dev) ;
+		return NULL ;
+		} ;
+
+	return alsa_dev ;
+} /* alsa_open */
+
+static int
+alsa_write_float (snd_pcm_t *alsa_dev, float *data, int frames, int channels)
+{	static	int epipe_count = 0 ;
+
+	snd_pcm_status_t *status ;
+	int total = 0 ;
+	int retval ;
+
+	if (epipe_count > 0)
+		epipe_count -- ;
+
+	while (total < frames)
+	{	retval = snd_pcm_writei (alsa_dev, data + total * channels, frames - total) ;
+
+		if (retval >= 0)
+		{	total += retval ;
+			if (total == frames)
+				return total ;
+
+			continue ;
+			} ;
+
+		switch (retval)
+		{	case -EAGAIN :
+					puts ("alsa_write_float: EAGAIN") ;
+					continue ;
+					break ;
+
+			case -EPIPE :
+					if (epipe_count > 0)
+					{	printf ("alsa_write_float: EPIPE %d\n", epipe_count) ;
+						if (epipe_count > 140)
+							return retval ;
+						} ;
+					epipe_count += 100 ;
+
+					if (0)
+					{	snd_pcm_status_alloca (&status) ;
+						if ((retval = snd_pcm_status (alsa_dev, status)) < 0)
+							fprintf (stderr, "alsa_out: xrun. can't determine length\n") ;
+						else if (snd_pcm_status_get_state (status) == SND_PCM_STATE_XRUN)
+						{	struct timeval now, diff, tstamp ;
+
+							gettimeofday (&now, 0) ;
+							snd_pcm_status_get_trigger_tstamp (status, &tstamp) ;
+							timersub (&now, &tstamp, &diff) ;
+
+							fprintf (stderr, "alsa_write_float xrun: of at least %.3f msecs. resetting stream\n",
+									diff.tv_sec * 1000 + diff.tv_usec / 1000.0) ;
+							}
+						else
+							fprintf (stderr, "alsa_write_float: xrun. can't determine length\n") ;
+						} ;
+
+					snd_pcm_prepare (alsa_dev) ;
+					break ;
+
+			case -EBADFD :
+					fprintf (stderr, "alsa_write_float: Bad PCM state.n") ;
+					return 0 ;
+					break ;
+
+			case -ESTRPIPE :
+					fprintf (stderr, "alsa_write_float: Suspend event.n") ;
+					return 0 ;
+					break ;
+
+			case -EIO :
+					puts ("alsa_write_float: EIO") ;
+					return 0 ;
+
+			default :
+					fprintf (stderr, "alsa_write_float: retval = %d\n", retval) ;
+					return 0 ;
+					break ;
+			} ; /* switch */
+		} ; /* while */
+
+	return total ;
+} /* alsa_write_float */
+
+#endif /* HAVE_ALSA_ASOUNDLIB_H */
+
+/*------------------------------------------------------------------------------
+**	Linux/OSS functions for playing a sound.
+*/
+
+#if defined (__linux__)
+
+static	int	linux_open_dsp_device (int channels, int srate) ;
+
+static void
+linux_play (int argc, char *argv [])
+{	static short buffer [BUFFER_LEN] ;
+	SNDFILE *sndfile ;
+	SF_INFO sfinfo ;
+	int		k, audio_device, readcount, subformat ;
+
+	for (k = 1 ; k < argc ; k++)
+	{	memset (&sfinfo, 0, sizeof (sfinfo)) ;
+
+		printf ("Playing %s\n", argv [k]) ;
+		if (! (sndfile = sf_open (argv [k], SFM_READ, &sfinfo)))
+		{	puts (sf_strerror (NULL)) ;
+			continue ;
+			} ;
+
+		if (sfinfo.channels < 1 || sfinfo.channels > 2)
+		{	printf ("Error : channels = %d.\n", sfinfo.channels) ;
+			continue ;
+			} ;
+
+		audio_device = linux_open_dsp_device (sfinfo.channels, sfinfo.samplerate) ;
+
+		subformat = sfinfo.format & SF_FORMAT_SUBMASK ;
+
+		if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
+		{	static float float_buffer [BUFFER_LEN] ;
+			double	scale ;
+			int 	m ;
+
+			sf_command (sndfile, SFC_CALC_SIGNAL_MAX, &scale, sizeof (scale)) ;
+			if (scale < 1e-10)
+				scale = 1.0 ;
+			else
+				scale = 32700.0 / scale ;
+
+			while ((readcount = sf_read_float (sndfile, float_buffer, BUFFER_LEN)))
+			{	for (m = 0 ; m < readcount ; m++)
+					buffer [m] = scale * float_buffer [m] ;
+				write (audio_device, buffer, readcount * sizeof (short)) ;
+				} ;
+			}
+		else
+		{	while ((readcount = sf_read_short (sndfile, buffer, BUFFER_LEN)))
+				write (audio_device, buffer, readcount * sizeof (short)) ;
+			} ;
+
+		if (ioctl (audio_device, SNDCTL_DSP_POST, 0) == -1)
+			perror ("ioctl (SNDCTL_DSP_POST) ") ;
+
+		if (ioctl (audio_device, SNDCTL_DSP_SYNC, 0) == -1)
+			perror ("ioctl (SNDCTL_DSP_SYNC) ") ;
+
+		close (audio_device) ;
+
+		sf_close (sndfile) ;
+		} ;
+
+	return ;
+} /* linux_play */
+
+static int
+linux_open_dsp_device (int channels, int srate)
+{	int fd, stereo, fmt ;
+
+	if ((fd = open ("/dev/dsp", O_WRONLY, 0)) == -1 &&
+		(fd = open ("/dev/sound/dsp", O_WRONLY, 0)) == -1)
+	{	perror ("linux_open_dsp_device : open ") ;
+		exit (1) ;
+		} ;
+
+	stereo = 0 ;
+	if (ioctl (fd, SNDCTL_DSP_STEREO, &stereo) == -1)
+	{ 	/* Fatal error */
+		perror ("linux_open_dsp_device : stereo ") ;
+		exit (1) ;
+		} ;
+
+	if (ioctl (fd, SNDCTL_DSP_RESET, 0))
+	{	perror ("linux_open_dsp_device : reset ") ;
+		exit (1) ;
+		} ;
+
+	fmt = CPU_IS_BIG_ENDIAN ? AFMT_S16_BE : AFMT_S16_LE ;
+	if (ioctl (fd, SOUND_PCM_SETFMT, &fmt) != 0)
+	{	perror ("linux_open_dsp_device : set format ") ;
+	    exit (1) ;
+  		} ;
+
+	if (ioctl (fd, SOUND_PCM_WRITE_CHANNELS, &channels) != 0)
+	{	perror ("linux_open_dsp_device : channels ") ;
+		exit (1) ;
+		} ;
+
+	if (ioctl (fd, SOUND_PCM_WRITE_RATE, &srate) != 0)
+	{	perror ("linux_open_dsp_device : sample rate ") ;
+		exit (1) ;
+		} ;
+
+	if (ioctl (fd, SNDCTL_DSP_SYNC, 0) != 0)
+	{	perror ("linux_open_dsp_device : sync ") ;
+		exit (1) ;
+		} ;
+
+	return 	fd ;
+} /* linux_open_dsp_device */
+
+#endif /* __linux__ */
+
+/*------------------------------------------------------------------------------
+**	Mac OS X functions for playing a sound.
+*/
+
+#if (defined (__MACH__) && defined (__APPLE__)) /* MacOSX */
+
+typedef struct
+{	AudioStreamBasicDescription		format ;
+
+	UInt32 			buf_size ;
+	AudioDeviceID 	device ;
+
+	SNDFILE 		*sndfile ;
+	SF_INFO 		sfinfo ;
+
+	int				fake_stereo ;
+	int				done_playing ;
+} MacOSXAudioData ;
+
+#include <math.h>
+
+static OSStatus
+macosx_audio_out_callback (AudioDeviceID device, const AudioTimeStamp* current_time,
+	const AudioBufferList* data_in, const AudioTimeStamp* time_in,
+	AudioBufferList*	data_out, const AudioTimeStamp* time_out,
+	void* client_data)
+{	MacOSXAudioData	*audio_data ;
+	int		size, sample_count, read_count, k ;
+	float	*buffer ;
+
+	/* Prevent compiler warnings. */
+	device = device ;
+	current_time = current_time ;
+	data_in = data_in ;
+	time_in = time_in ;
+	time_out = time_out ;
+
+	audio_data = (MacOSXAudioData*) client_data ;
+
+	size = data_out->mBuffers [0].mDataByteSize ;
+	sample_count = size / sizeof (float) ;
+
+	buffer = (float*) data_out->mBuffers [0].mData ;
+
+	if (audio_data->fake_stereo != 0)
+	{	read_count = sf_read_float (audio_data->sndfile, buffer, sample_count / 2) ;
+
+		for (k = read_count - 1 ; k >= 0 ; k--)
+		{	buffer [2 * k	] = buffer [k] ;
+			buffer [2 * k + 1] = buffer [k] ;
+			} ;
+		read_count *= 2 ;
+		}
+	else
+		read_count = sf_read_float (audio_data->sndfile, buffer, sample_count) ;
+
+	/* Fill the remainder with zeroes. */
+	if (read_count < sample_count)
+	{	if (audio_data->fake_stereo == 0)
+			memset (&(buffer [read_count]), 0, (sample_count - read_count) * sizeof (float)) ;
+		/* Tell the main application to terminate. */
+		audio_data->done_playing = SF_TRUE ;
+		} ;
+
+	return noErr ;
+} /* macosx_audio_out_callback */
+
+static void
+macosx_play (int argc, char *argv [])
+{	MacOSXAudioData 	audio_data ;
+	OSStatus	err ;
+	UInt32		count, buffer_size ;
+	int 		k ;
+
+	audio_data.fake_stereo = 0 ;
+	audio_data.device = kAudioDeviceUnknown ;
+
+	/*  get the default output device for the HAL */
+	count = sizeof (AudioDeviceID) ;
+	if ((err = AudioHardwareGetProperty (kAudioHardwarePropertyDefaultOutputDevice,
+				&count, (void *) &(audio_data.device))) != noErr)
+	{	printf ("AudioHardwareGetProperty (kAudioDevicePropertyDefaultOutputDevice) failed.\n") ;
+		return ;
+		} ;
+
+	/*  get the buffersize that the default device uses for IO */
+	count = sizeof (UInt32) ;
+	if ((err = AudioDeviceGetProperty (audio_data.device, 0, false, kAudioDevicePropertyBufferSize,
+				&count, &buffer_size)) != noErr)
+	{	printf ("AudioDeviceGetProperty (kAudioDevicePropertyBufferSize) failed.\n") ;
+		return ;
+		} ;
+
+	/*  get a description of the data format used by the default device */
+	count = sizeof (AudioStreamBasicDescription) ;
+	if ((err = AudioDeviceGetProperty (audio_data.device, 0, false, kAudioDevicePropertyStreamFormat,
+				&count, &(audio_data.format))) != noErr)
+	{	printf ("AudioDeviceGetProperty (kAudioDevicePropertyStreamFormat) failed.\n") ;
+		return ;
+		} ;
+
+	/* Base setup completed. Now play files. */
+	for (k = 1 ; k < argc ; k++)
+	{	printf ("Playing %s\n", argv [k]) ;
+		if (! (audio_data.sndfile = sf_open (argv [k], SFM_READ, &(audio_data.sfinfo))))
+		{	puts (sf_strerror (NULL)) ;
+			continue ;
+			} ;
+
+		if (audio_data.sfinfo.channels < 1 || audio_data.sfinfo.channels > 2)
+		{	printf ("Error : channels = %d.\n", audio_data.sfinfo.channels) ;
+			continue ;
+			} ;
+
+		audio_data.format.mSampleRate = audio_data.sfinfo.samplerate ;
+
+		if (audio_data.sfinfo.channels == 1)
+		{	audio_data.format.mChannelsPerFrame = 2 ;
+			audio_data.fake_stereo = 1 ;
+			}
+		else
+		audio_data.format.mChannelsPerFrame = audio_data.sfinfo.channels ;
+
+		if ((err = AudioDeviceSetProperty (audio_data.device, NULL, 0, false, kAudioDevicePropertyStreamFormat,
+					sizeof (AudioStreamBasicDescription), &(audio_data.format))) != noErr)
+		{	printf ("AudioDeviceSetProperty (kAudioDevicePropertyStreamFormat) failed.\n") ;
+			return ;
+			} ;
+
+		/*  we want linear pcm */
+		if (audio_data.format.mFormatID != kAudioFormatLinearPCM)
+			return ;
+
+		/* Fire off the device. */
+		if ((err = AudioDeviceAddIOProc (audio_data.device, macosx_audio_out_callback,
+				(void *) &audio_data)) != noErr)
+		{	printf ("AudioDeviceAddIOProc failed.\n") ;
+			return ;
+			} ;
+
+		err = AudioDeviceStart (audio_data.device, macosx_audio_out_callback) ;
+		if	(err != noErr)
+			return ;
+
+		audio_data.done_playing = SF_FALSE ;
+
+		while (audio_data.done_playing == SF_FALSE)
+			usleep (10 * 1000) ; /* 10 000 milliseconds. */
+
+		if ((err = AudioDeviceStop (audio_data.device, macosx_audio_out_callback)) != noErr)
+		{	printf ("AudioDeviceStop failed.\n") ;
+			return ;
+			} ;
+
+		err = AudioDeviceRemoveIOProc (audio_data.device, macosx_audio_out_callback) ;
+		if (err != noErr)
+		{	printf ("AudioDeviceRemoveIOProc failed.\n") ;
+			return ;
+			} ;
+
+		sf_close (audio_data.sndfile) ;
+		} ;
+
+	return ;
+} /* macosx_play */
+
+#endif /* MacOSX */
+
+
+/*------------------------------------------------------------------------------
+**	Win32 functions for playing a sound.
+**
+**	This API sucks. Its needlessly complicated and is *WAY* too loose with
+**	passing pointers arounf in integers and and using char* pointers to
+**  point to data instead of short*. It plain sucks!
+*/
+
+#if (OS_IS_WIN32 == 1)
+
+#define	WIN32_BUFFER_LEN	(1<<15)
+
+typedef struct
+{	HWAVEOUT	hwave ;
+	WAVEHDR		whdr [2] ;
+
+	CRITICAL_SECTION	mutex ;		/* to control access to BuffersInUSe */
+	HANDLE		Event ;			/* signal that a buffer is free */
+
+	short		buffer [WIN32_BUFFER_LEN / sizeof (short)] ;
+	int			current, bufferlen ;
+	int			BuffersInUse ;
+
+	SNDFILE 	*sndfile ;
+	SF_INFO 	sfinfo ;
+
+	sf_count_t	remaining ;
+} Win32_Audio_Data ;
+
+
+static void
+win32_play_data (Win32_Audio_Data *audio_data)
+{	int thisread, readcount ;
+
+	/* fill a buffer if there is more data and we can read it sucessfully */
+	readcount = (audio_data->remaining > audio_data->bufferlen) ? audio_data->bufferlen : (int) audio_data->remaining ;
+
+	thisread = (int) sf_read_short (audio_data->sndfile, (short *) (audio_data->whdr [audio_data->current].lpData), readcount) ;
+
+	audio_data->remaining -= thisread ;
+
+	if (thisread > 0)
+	{	/* Fix buffer length if this is only a partial block. */
+		if (thisread < audio_data->bufferlen)
+			audio_data->whdr [audio_data->current].dwBufferLength = thisread * sizeof (short) ;
+
+		/* Queue the WAVEHDR */
+		waveOutWrite (audio_data->hwave, (LPWAVEHDR) &(audio_data->whdr [audio_data->current]), sizeof (WAVEHDR)) ;
+
+		/* count another buffer in use */
+		EnterCriticalSection (&audio_data->mutex) ;
+		audio_data->BuffersInUse ++ ;
+		LeaveCriticalSection (&audio_data->mutex) ;
+
+		/* use the other buffer next time */
+		audio_data->current = (audio_data->current + 1) % 2 ;
+		} ;
+
+	return ;
+} /* win32_play_data */
+
+static void CALLBACK
+win32_audio_out_callback (HWAVEOUT hwave, UINT msg, DWORD data, DWORD param1, DWORD param2)
+{	Win32_Audio_Data	*audio_data ;
+
+	/* Prevent compiler warnings. */
+	hwave = hwave ;
+	param1 = param2 ;
+
+	if (data == 0)
+		return ;
+
+	/*
+	** I consider this technique of passing a pointer via an integer as
+	** fundamentally broken but thats the way microsoft has defined the
+	** interface.
+	*/
+	audio_data = (Win32_Audio_Data*) data ;
+
+	/* let main loop know a buffer is free */
+	if (msg == MM_WOM_DONE)
+	{	EnterCriticalSection (&audio_data->mutex) ;
+		audio_data->BuffersInUse -- ;
+		LeaveCriticalSection (&audio_data->mutex) ;
+		SetEvent (audio_data->Event) ;
+		} ;
+
+	return ;
+} /* win32_audio_out_callback */
+
+/* This is needed for earlier versions of the M$ development tools. */
+#ifndef DWORD_PTR
+#define DWORD_PTR DWORD
+#endif
+
+static void
+win32_play (int argc, char *argv [])
+{	Win32_Audio_Data	audio_data ;
+
+	WAVEFORMATEX wf ;
+	int	k, error ;
+
+	audio_data.sndfile = NULL ;
+	audio_data.hwave = 0 ;
+
+	for (k = 1 ; k < argc ; k++)
+	{	printf ("Playing %s\n", argv [k]) ;
+
+		if (! (audio_data.sndfile = sf_open (argv [k], SFM_READ, &(audio_data.sfinfo))))
+		{	puts (sf_strerror (NULL)) ;
+			continue ;
+			} ;
+
+		audio_data.remaining = audio_data.sfinfo.frames * audio_data.sfinfo.channels ;
+		audio_data.current = 0 ;
+
+		InitializeCriticalSection (&audio_data.mutex) ;
+		audio_data.Event = CreateEvent (0, FALSE, FALSE, 0) ;
+
+		wf.nChannels = audio_data.sfinfo.channels ;
+		wf.wFormatTag = WAVE_FORMAT_PCM ;
+		wf.cbSize = 0 ;
+		wf.wBitsPerSample = 16 ;
+
+		wf.nSamplesPerSec = audio_data.sfinfo.samplerate ;
+
+		wf.nBlockAlign = audio_data.sfinfo.channels * sizeof (short) ;
+
+		wf.nAvgBytesPerSec = wf.nBlockAlign * wf.nSamplesPerSec ;
+
+		error = waveOutOpen (&(audio_data.hwave), WAVE_MAPPER, &wf, (DWORD_PTR) win32_audio_out_callback,
+							(DWORD_PTR) &audio_data, CALLBACK_FUNCTION) ;
+		if (error)
+		{	puts ("waveOutOpen failed.") ;
+			audio_data.hwave = 0 ;
+			continue ;
+			} ;
+
+		audio_data.whdr [0].lpData = (char*) audio_data.buffer ;
+		audio_data.whdr [1].lpData = ((char*) audio_data.buffer) + sizeof (audio_data.buffer) / 2 ;
+
+		audio_data.whdr [0].dwBufferLength = sizeof (audio_data.buffer) / 2 ;
+		audio_data.whdr [1].dwBufferLength = sizeof (audio_data.buffer) / 2 ;
+
+		audio_data.whdr [0].dwFlags = 0 ;
+		audio_data.whdr [1].dwFlags = 0 ;
+
+		/* length of each audio buffer in samples */
+		audio_data.bufferlen = sizeof (audio_data.buffer) / 2 / sizeof (short) ;
+
+		/* Prepare the WAVEHDRs */
+		if ((error = waveOutPrepareHeader (audio_data.hwave, &(audio_data.whdr [0]), sizeof (WAVEHDR))))
+		{	printf ("waveOutPrepareHeader [0] failed : %08X\n", error) ;
+			waveOutClose (audio_data.hwave) ;
+			continue ;
+			} ;
+
+		if ((error = waveOutPrepareHeader (audio_data.hwave, &(audio_data.whdr [1]), sizeof (WAVEHDR))))
+		{	printf ("waveOutPrepareHeader [1] failed : %08X\n", error) ;
+			waveOutUnprepareHeader (audio_data.hwave, &(audio_data.whdr [0]), sizeof (WAVEHDR)) ;
+			waveOutClose (audio_data.hwave) ;
+			continue ;
+			} ;
+
+		/* Fill up both buffers with audio data */
+		audio_data.BuffersInUse = 0 ;
+		win32_play_data (&audio_data) ;
+		win32_play_data (&audio_data) ;
+
+		/* loop until both buffers are released */
+		while (audio_data.BuffersInUse > 0)
+		{
+			/* wait for buffer to be released */
+			WaitForSingleObject (audio_data.Event, INFINITE) ;
+
+			/* refill the buffer if there is more data to play */
+			win32_play_data (&audio_data) ;
+			} ;
+
+		waveOutUnprepareHeader (audio_data.hwave, &(audio_data.whdr [0]), sizeof (WAVEHDR)) ;
+		waveOutUnprepareHeader (audio_data.hwave, &(audio_data.whdr [1]), sizeof (WAVEHDR)) ;
+
+		waveOutClose (audio_data.hwave) ;
+		audio_data.hwave = 0 ;
+
+		DeleteCriticalSection (&audio_data.mutex) ;
+
+		sf_close (audio_data.sndfile) ;
+		} ;
+
+} /* win32_play */
+
+#endif /* Win32 */
+
+/*------------------------------------------------------------------------------
+**	Solaris.
+*/
+
+#if (defined (sun) && defined (unix)) /* ie Solaris */
+
+static void
+solaris_play (int argc, char *argv [])
+{	static short 	buffer [BUFFER_LEN] ;
+	audio_info_t	audio_info ;
+	SNDFILE			*sndfile ;
+	SF_INFO			sfinfo ;
+	unsigned long	delay_time ;
+	long			k, start_count, output_count, write_count, read_count ;
+	int				audio_fd, error, done ;
+
+	for (k = 1 ; k < argc ; k++)
+	{	printf ("Playing %s\n", argv [k]) ;
+		if (! (sndfile = sf_open (argv [k], SFM_READ, &sfinfo)))
+		{	puts (sf_strerror (NULL)) ;
+			continue ;
+			} ;
+
+		if (sfinfo.channels < 1 || sfinfo.channels > 2)
+		{	printf ("Error : channels = %d.\n", sfinfo.channels) ;
+			continue ;
+			} ;
+
+		/* open the audio device - write only, non-blocking */
+		if ((audio_fd = open ("/dev/audio", O_WRONLY | O_NONBLOCK)) < 0)
+		{	perror ("open (/dev/audio) failed") ;
+			return ;
+			} ;
+
+		/*	Retrive standard values. */
+		AUDIO_INITINFO (&audio_info) ;
+
+		audio_info.play.sample_rate = sfinfo.samplerate ;
+		audio_info.play.channels = sfinfo.channels ;
+		audio_info.play.precision = 16 ;
+		audio_info.play.encoding = AUDIO_ENCODING_LINEAR ;
+		audio_info.play.gain = AUDIO_MAX_GAIN ;
+		audio_info.play.balance = AUDIO_MID_BALANCE ;
+
+		if ((error = ioctl (audio_fd, AUDIO_SETINFO, &audio_info)))
+		{	perror ("ioctl (AUDIO_SETINFO) failed") ;
+			return ;
+			} ;
+
+		/* Delay time equal to 1/4 of a buffer in microseconds. */
+		delay_time = (BUFFER_LEN * 1000000) / (audio_info.play.sample_rate * 4) ;
+
+		done = 0 ;
+		while (! done)
+		{	read_count = sf_read_short (sndfile, buffer, BUFFER_LEN) ;
+			if (read_count < BUFFER_LEN)
+			{	memset (&(buffer [read_count]), 0, (BUFFER_LEN - read_count) * sizeof (short)) ;
+				/* Tell the main application to terminate. */
+				done = SF_TRUE ;
+				} ;
+
+			start_count = 0 ;
+			output_count = BUFFER_LEN * sizeof (short) ;
+
+			while (output_count > 0)
+			{	/* write as much data as possible */
+				write_count = write (audio_fd, &(buffer [start_count]), output_count) ;
+				if (write_count > 0)
+				{	output_count -= write_count ;
+					start_count += write_count ;
+					}
+				else
+				{	/*	Give the audio output time to catch up. */
+					usleep (delay_time) ;
+					} ;
+				} ; /* while (outpur_count > 0) */
+			} ; /* while (! done) */
+
+		close (audio_fd) ;
+		} ;
+
+	return ;
+} /* solaris_play */
+
+#endif /* Solaris */
+
+/*==============================================================================
+**	Main function.
+*/
+
+int
+main (int argc, char *argv [])
+{
+	if (argc < 2)
+	{
+		printf ("\nUsage : %s <input sound file>\n\n", argv [0]) ;
+#if (OS_IS_WIN32 == 1)
+		printf ("This is a Unix style command line application which\n"
+				"should be run in a MSDOS box or Command Shell window.\n\n") ;
+		printf ("Sleeping for 5 seconds before exiting.\n\n") ;
+
+		/* This is the officially blessed by microsoft way but I can't get
+		** it to link.
+		**     Sleep (15) ;
+		** Instead, use this:
+		*/
+		_sleep (5 * 1000) ;
+#endif
+		return 1 ;
+		} ;
+
+#if defined (__linux__)
+	#if HAVE_ALSA_ASOUNDLIB_H
+		if (access ("/proc/asound/cards", R_OK) == 0)
+			alsa_play (argc, argv) ;
+		else
+	#endif
+		linux_play (argc, argv) ;
+#elif (defined (__MACH__) && defined (__APPLE__))
+	macosx_play (argc, argv) ;
+#elif (defined (sun) && defined (unix))
+	solaris_play (argc, argv) ;
+#elif (OS_IS_WIN32 == 1)
+	win32_play (argc, argv) ;
+#elif defined (__BEOS__)
+	printf ("This program cannot be compiled on BeOS.\n") ;
+	printf ("Instead, compile the file sfplay_beos.cpp.\n") ;
+	return 1 ;
+#else
+	puts ("*** Playing sound not yet supported on this platform.") ;
+	puts ("*** Please feel free to submit a patch.") ;
+	return 1 ;
+#endif
+
+	return 0 ;
+} /* main */
+/*
+** Do not edit or modify anything in this comment block.
+** The arch-tag line is a file identity tag for the GNU Arch
+** revision control system.
+**
+** arch-tag: 8fc4110d-6cec-4e03-91df-0f384cabedac
+*/