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1 /* oss.h
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2 *
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3 * Copyright (C) DFS Deutsche Flugsicherung (2004, 2005).
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4 * All Rights Reserved.
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5 *
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6 * Open Sound System
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7 *
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8 * Version 0.3
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9 */
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10 #ifndef _OSS_H
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11
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12 /* Design Constants */
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13 #define AUDIOBUFS 3 // Soundcard buffers (minimum 2)
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14 /* End of Design Constants */
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15
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16 #define FORMAT_OSS AFMT_S16_LE
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17
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18 /* Using fragment sizes shorter than 256 bytes is not recommended as the
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19 * default mode of application
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20 */
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21 /* for Packettime = 40ms FRAGSIZELD = 7 can be used
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22 * for Packettime = 80ms FRAGSIZELD = 8 can be used
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23 */
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24 #define FRAGSIZELD (5+WIDEB) // WIDEB is 1 or 2
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25 #define FRAGSIZE (1<<FRAGSIZELD)
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26 #define FRAGTIME (FRAGSIZE/(WIDEB*16))
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27
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28 const int RATE=WIDEB*8000;
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29
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30 int audio_init(char *pathname, int channels_, int mode);
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31
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32 #define _OSS_H
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33 #endif
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