comparison src/libsndfile-1.0.25/examples/sndfilehandle.cc @ 0:c7265573341e

Import initial set of sources

+/*
+** Copyright (C) 2007-2011 Erik de Castro Lopo <[e-mail]>
+**
+** 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 */
+
+