/* ** Copyright (C) 2007-2011 Erik de Castro Lopo ** ** 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 #include #include #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 */