Mercurial > hg > audiostuff
comparison intercom/oss.h @ 2:13be24d74cd2
import intercom-0.4.1
author | Peter Meerwald <pmeerw@cosy.sbg.ac.at> |
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date | Fri, 25 Jun 2010 09:57:52 +0200 |
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1:9cadc470e3da | 2:13be24d74cd2 |
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1 /* oss.h | |
2 * | |
3 * Copyright (C) DFS Deutsche Flugsicherung (2004, 2005). | |
4 * All Rights Reserved. | |
5 * | |
6 * Open Sound System | |
7 * | |
8 * Version 0.3 | |
9 */ | |
10 #ifndef _OSS_H | |
11 | |
12 /* Design Constants */ | |
13 #define AUDIOBUFS 3 // Soundcard buffers (minimum 2) | |
14 /* End of Design Constants */ | |
15 | |
16 #define FORMAT_OSS AFMT_S16_LE | |
17 | |
18 /* Using fragment sizes shorter than 256 bytes is not recommended as the | |
19 * default mode of application | |
20 */ | |
21 /* for Packettime = 40ms FRAGSIZELD = 7 can be used | |
22 * for Packettime = 80ms FRAGSIZELD = 8 can be used | |
23 */ | |
24 #define FRAGSIZELD (5+WIDEB) // WIDEB is 1 or 2 | |
25 #define FRAGSIZE (1<<FRAGSIZELD) | |
26 #define FRAGTIME (FRAGSIZE/(WIDEB*16)) | |
27 | |
28 const int RATE=WIDEB*8000; | |
29 | |
30 int audio_init(char *pathname, int channels_, int mode); | |
31 | |
32 #define _OSS_H | |
33 #endif |