85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
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/*
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** Copyright (C) 2007-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <cstdio>
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#include <cstring>
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#include <sndfile.hh>
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#define BUFFER_LEN 1024
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static void
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create_file (const char * fname, int format)
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{ static short buffer [BUFFER_LEN] ;
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SndfileHandle file ;
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int channels = 2 ;
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int srate = 48000 ;
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printf ("Creating file named '%s'\n", fname) ;
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file = SndfileHandle (fname, SFM_WRITE, format, channels, srate) ;
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memset (buffer, 0, sizeof (buffer)) ;
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file.write (buffer, BUFFER_LEN) ;
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puts ("") ;
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/*
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** The SndfileHandle object will automatically close the file and
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** release all allocated memory when the object goes out of scope.
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** This is the Resource Acquisition Is Initailization idom.
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** See : http://en.wikipedia.org/wiki/Resource_Acquisition_Is_Initialization
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*/
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} /* create_file */
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static void
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read_file (const char * fname)
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{ static short buffer [BUFFER_LEN] ;
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SndfileHandle file ;
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file = SndfileHandle (fname) ;
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printf ("Opened file '%s'\n", fname) ;
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printf (" Sample rate : %d\n", file.samplerate ()) ;
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printf (" Channels : %d\n", file.channels ()) ;
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file.read (buffer, BUFFER_LEN) ;
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puts ("") ;
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/* RAII takes care of destroying SndfileHandle object. */
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} /* read_file */
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int
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main (void)
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{ const char * fname = "test.wav" ;
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puts ("\nSimple example showing usage of the C++ SndfileHandle object.\n") ;
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create_file (fname, SF_FORMAT_WAV | SF_FORMAT_PCM_16) ;
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read_file (fname) ;
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puts ("Done.\n") ;
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return 0 ;
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} /* main */
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