Lumiera  0.pre.03
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alsa.h
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1 /*
2  ALSA.h - sound output backend using the Advanced Linux Sound Architecture
3 
4  Copyright (C) Lumiera.org
5  2011, Odin Omdal Hørthe <odin.omdal@gmail.com>
6 
7  This program is free software; you can redistribute it and/or
8  modify it under the terms of the GNU General Public License as
9  published by the Free Software Foundation; either version 2 of
10  the License, or (at your option) any later version.
11 
12  This program is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  GNU General Public License for more details.
16 
17  You should have received a copy of the GNU General Public License
18  along with this program; if not, write to the Free Software
19  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 
21 */
22 
33 #ifndef TOOL_ALSA_H
34 #define TOOL_ALSA_H
35 
36 
37 #include <stdlib.h>
38 
39 
40 
41 size_t audio_offset();
42 
43 
44 void audio_init();
45 
46 
47 size_t audio_write(const void* data, size_t amount);
48 
49 
50 void audio_start(unsigned int rate, unsigned int channel_count);
51 
52 
53 void audio_stop();
54 
55 #endif // TOOL_ALSA_H