45 lines
811 B
C
45 lines
811 B
C
/* Definitions used by /dev/audio and /dev/mixer.
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*
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* Feb 13 1995 Author: Michel R. Prevenier
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*/
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#ifndef SOUND_H
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#define SOUND_H
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/* ------- Mixer stuff ------- */
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/* Available devices */
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enum Device
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{
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Master, /* Master volume */
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Dac, /* DSP, digitized sound */
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Fm, /* Fm synthesized sound */
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Cd, /* Compact */
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Line, /* Line in */
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Mic, /* Microphone */
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Speaker, /* Pc speaker */
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Treble, /* Treble */
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Bass /* Bass */
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};
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enum InputState
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{
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ON, OFF
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};
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/* Volume levels range from 0 to 31, bass & treble range from 0 to 15 */
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struct volume_level
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{
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enum Device device;
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int left;
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int right;
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};
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struct inout_ctrl
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{
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enum Device device;
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enum InputState left;
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enum InputState right;
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};
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#endif /* SOUND_H */
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