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root/cebix/BasiliskII/src/include/audio.h
Revision: 1.8
Committed: 2002-01-15T14:58:41Z (22 years, 9 months ago) by cebix
Content type: text/plain
Branch: MAIN
CVS Tags: snapshot-15012002
Changes since 1.7: +1 -1 lines
Log Message:
- documentation updates
- 2001 -> 2002
- version 0.9 -> 1.0

File Contents

# User Rev Content
1 cebix 1.1 /*
2     * audio.h - Audio support
3     *
4 cebix 1.8 * Basilisk II (C) 1997-2002 Christian Bauer
5 cebix 1.1 *
6     * This program is free software; you can redistribute it and/or modify
7     * it under the terms of the GNU General Public License as published by
8     * the Free Software Foundation; either version 2 of the License, or
9     * (at your option) any later version.
10     *
11     * This program is distributed in the hope that it will be useful,
12     * but WITHOUT ANY WARRANTY; without even the implied warranty of
13     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14     * GNU General Public License for more details.
15     *
16     * You should have received a copy of the GNU General Public License
17     * along with this program; if not, write to the Free Software
18     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19     */
20    
21     #ifndef AUDIO_H
22     #define AUDIO_H
23    
24 cebix 1.7 #include <vector>
25    
26     #ifndef NO_STD_NAMESPACE
27     using std::vector;
28     #endif
29    
30 cebix 1.1 extern int32 AudioDispatch(uint32 params, uint32 ti);
31    
32     extern bool AudioAvailable; // Flag: audio output available (from the software point of view)
33    
34 cebix 1.5 extern int16 SoundInOpen(uint32 pb, uint32 dce);
35     extern int16 SoundInPrime(uint32 pb, uint32 dce);
36     extern int16 SoundInControl(uint32 pb, uint32 dce);
37     extern int16 SoundInStatus(uint32 pb, uint32 dce);
38     extern int16 SoundInClose(uint32 pb, uint32 dce);
39    
40 cebix 1.1 // System specific and internal functions/data
41     extern void AudioInit(void);
42     extern void AudioExit(void);
43 cebix 1.4 extern void AudioReset(void);
44 cebix 1.1
45     extern void AudioInterrupt(void);
46    
47     extern void audio_enter_stream(void);
48     extern void audio_exit_stream(void);
49    
50 cebix 1.7 extern bool audio_set_sample_rate(int index);
51     extern bool audio_set_sample_size(int index);
52     extern bool audio_set_channels(int index);
53 cebix 1.1
54     extern bool audio_get_main_mute(void);
55     extern uint32 audio_get_main_volume(void);
56 cebix 1.2 extern bool audio_get_speaker_mute(void);
57     extern uint32 audio_get_speaker_volume(void);
58 cebix 1.1 extern void audio_set_main_mute(bool mute);
59     extern void audio_set_main_volume(uint32 vol);
60 cebix 1.2 extern void audio_set_speaker_mute(bool mute);
61     extern void audio_set_speaker_volume(uint32 vol);
62 cebix 1.1
63     // Current audio status
64     struct audio_status {
65     uint32 sample_rate; // 16.16 fixed point
66     uint32 sample_size; // 8 or 16
67     uint32 channels; // 1 (mono) or 2 (stereo)
68     uint32 mixer; // Mac address of Apple Mixer
69     int num_sources; // Number of active sources
70     };
71     extern struct audio_status AudioStatus;
72    
73     extern bool audio_open; // Flag: audio is open and ready
74     extern int audio_frames_per_block; // Number of audio frames per block
75     extern uint32 audio_component_flags; // Component feature flags
76    
77 cebix 1.7 extern vector<uint32> audio_sample_rates; // Vector of supported sample rates (16.16 fixed point)
78     extern vector<uint16> audio_sample_sizes; // Vector of supported sample sizes
79     extern vector<uint16> audio_channel_counts; // Array of supported channels counts
80 cebix 1.1
81     // Audio component global data and 68k routines
82     enum {
83     adatDelegateCall = 0, // 68k code to call DelegateCall()
84     adatOpenMixer = 14, // 68k code to call OpenMixerSoundComponent()
85     adatCloseMixer = 36, // 68k code to call CloseMixerSoundComponent()
86     adatGetInfo = 54, // 68k code to call GetInfo()
87     adatSetInfo = 78, // 68k code to call SetInfo()
88     adatPlaySourceBuffer = 102, // 68k code to call PlaySourceBuffer()
89     adatGetSourceData = 126, // 68k code to call GetSourceData()
90     adatData = 146, // SoundComponentData struct
91     adatMixer = 174, // Mac address of mixer, returned by adatOpenMixer
92     adatStreamInfo = 178, // Mac address of stream info, returned by adatGetSourceData
93     SIZEOF_adat = 182
94     };
95    
96     extern uint32 audio_data; // Mac address of global data area
97    
98     #endif