| Alexandre Lision | 7c6f4a6 | 2013-09-05 13:27:01 -0400 | [diff] [blame] | 1 | /* |
| 2 | ** Copyright (C) 2007-2011 Erik de Castro Lopo <erikd@mega-nerd.com> |
| 3 | ** |
| 4 | ** This program is free software; you can redistribute it and/or modify |
| 5 | ** it under the terms of the GNU General Public License as published by |
| 6 | ** the Free Software Foundation; either version 2 of the License, or |
| 7 | ** (at your option) any later version. |
| 8 | ** |
| 9 | ** This program is distributed in the hope that it will be useful, |
| 10 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | ** GNU General Public License for more details. |
| 13 | ** |
| 14 | ** You should have received a copy of the GNU General Public License |
| 15 | ** along with this program; if not, write to the Free Software |
| 16 | ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | #include <cstdio> |
| 20 | #include <cstring> |
| 21 | |
| 22 | #include <sndfile.hh> |
| 23 | |
| 24 | #define BUFFER_LEN 1024 |
| 25 | |
| 26 | static void |
| 27 | create_file (const char * fname, int format) |
| 28 | { static short buffer [BUFFER_LEN] ; |
| 29 | |
| 30 | SndfileHandle file ; |
| 31 | int channels = 2 ; |
| 32 | int srate = 48000 ; |
| 33 | |
| 34 | printf ("Creating file named '%s'\n", fname) ; |
| 35 | |
| 36 | file = SndfileHandle (fname, SFM_WRITE, format, channels, srate) ; |
| 37 | |
| 38 | memset (buffer, 0, sizeof (buffer)) ; |
| 39 | |
| 40 | file.write (buffer, BUFFER_LEN) ; |
| 41 | |
| 42 | puts ("") ; |
| 43 | /* |
| 44 | ** The SndfileHandle object will automatically close the file and |
| 45 | ** release all allocated memory when the object goes out of scope. |
| 46 | ** This is the Resource Acquisition Is Initailization idom. |
| 47 | ** See : http://en.wikipedia.org/wiki/Resource_Acquisition_Is_Initialization |
| 48 | */ |
| 49 | } /* create_file */ |
| 50 | |
| 51 | static void |
| 52 | read_file (const char * fname) |
| 53 | { static short buffer [BUFFER_LEN] ; |
| 54 | |
| 55 | SndfileHandle file ; |
| 56 | |
| 57 | file = SndfileHandle (fname) ; |
| 58 | |
| 59 | printf ("Opened file '%s'\n", fname) ; |
| 60 | printf (" Sample rate : %d\n", file.samplerate ()) ; |
| 61 | printf (" Channels : %d\n", file.channels ()) ; |
| 62 | |
| 63 | file.read (buffer, BUFFER_LEN) ; |
| 64 | |
| 65 | puts ("") ; |
| 66 | |
| 67 | /* RAII takes care of destroying SndfileHandle object. */ |
| 68 | } /* read_file */ |
| 69 | |
| 70 | int |
| 71 | main (void) |
| 72 | { const char * fname = "test.wav" ; |
| 73 | |
| 74 | puts ("\nSimple example showing usage of the C++ SndfileHandle object.\n") ; |
| 75 | |
| 76 | create_file (fname, SF_FORMAT_WAV | SF_FORMAT_PCM_16) ; |
| 77 | |
| 78 | read_file (fname) ; |
| 79 | |
| 80 | puts ("Done.\n") ; |
| 81 | return 0 ; |
| 82 | } /* main */ |
| 83 | |
| 84 | |