1 |
nigel |
1.1 |
/* |
2 |
|
|
* audio_MacOSX.cpp - Based on audio_dummy.cpp |
3 |
|
|
* |
4 |
|
|
* $Id: audio_macosx.cpp,v 1.1 2002/03/16 03:59:58 nigel Exp $ |
5 |
|
|
* |
6 |
|
|
* Basilisk II (C) 1997-2002 Christian Bauer |
7 |
|
|
* |
8 |
|
|
* This program is free software; you can redistribute it and/or modify |
9 |
|
|
* it under the terms of the GNU General Public License as published by |
10 |
|
|
* the Free Software Foundation; either version 2 of the License, or |
11 |
|
|
* (at your option) any later version. |
12 |
|
|
* |
13 |
|
|
* This program is distributed in the hope that it will be useful, |
14 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 |
|
|
* GNU General Public License for more details. |
17 |
|
|
* |
18 |
|
|
* You should have received a copy of the GNU General Public License |
19 |
|
|
* along with this program; if not, write to the Free Software |
20 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
21 |
|
|
*/ |
22 |
|
|
|
23 |
|
|
#include "sysdeps.h" |
24 |
|
|
#include "macos_util_macosx.h" |
25 |
|
|
#include "prefs.h" |
26 |
|
|
#include "audio.h" |
27 |
|
|
#include "audio_defs_macosx.h" |
28 |
|
|
|
29 |
|
|
#define DEBUG 0 |
30 |
|
|
#include "debug.h" |
31 |
|
|
|
32 |
|
|
|
33 |
|
|
#include "main_macosx.h" |
34 |
|
|
|
35 |
|
|
#import <CoreFoundation/CoreFoundation.h> |
36 |
|
|
|
37 |
|
|
#import <CoreAudio/CoreAudio.h> |
38 |
|
|
|
39 |
|
|
#import <AppKit/AppKit.h> |
40 |
|
|
|
41 |
|
|
|
42 |
|
|
|
43 |
|
|
AudioDeviceID device = kAudioDeviceUnknown; |
44 |
|
|
|
45 |
|
|
/* |
46 |
|
|
* Initialization |
47 |
|
|
*/ |
48 |
|
|
|
49 |
|
|
void AudioInit(void) |
50 |
|
|
{ |
51 |
|
|
UInt32 count; |
52 |
|
|
OSErr err; |
53 |
|
|
|
54 |
|
|
// Init audio status and feature flags |
55 |
|
|
AudioStatus.sample_rate = 44100 << 16; |
56 |
|
|
AudioStatus.sample_size = 16; |
57 |
|
|
AudioStatus.channels = 2; |
58 |
|
|
AudioStatus.mixer = 0; |
59 |
|
|
AudioStatus.num_sources = 0; |
60 |
|
|
audio_component_flags = cmpWantsRegisterMessage | kStereoOut | k16BitOut; |
61 |
|
|
|
62 |
|
|
// Only one sample format is supported |
63 |
|
|
audio_sample_rates.push_back(44100 << 16); |
64 |
|
|
audio_sample_sizes.push_back(16); |
65 |
|
|
audio_channel_counts.push_back(2); |
66 |
|
|
|
67 |
|
|
// Sound disabled in prefs? Then do nothing |
68 |
|
|
if (PrefsFindBool("nosound")) |
69 |
|
|
return; |
70 |
|
|
|
71 |
|
|
|
72 |
|
|
// Get default audio device |
73 |
|
|
|
74 |
|
|
count = sizeof(device); |
75 |
|
|
err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, |
76 |
|
|
&count, (void *) &device); |
77 |
|
|
if ( err != noErr || device == kAudioDeviceUnknown ) |
78 |
|
|
{ |
79 |
|
|
NSLog(@"Failed to get default audio output device"); |
80 |
|
|
audio_open = false; |
81 |
|
|
return; |
82 |
|
|
} |
83 |
|
|
|
84 |
|
|
D(NSLog(@"Got default audio output device")); |
85 |
|
|
|
86 |
|
|
// Audio not available |
87 |
|
|
audio_open = false; |
88 |
|
|
} |
89 |
|
|
|
90 |
|
|
|
91 |
|
|
/* |
92 |
|
|
* Deinitialization |
93 |
|
|
*/ |
94 |
|
|
|
95 |
|
|
void AudioExit(void) |
96 |
|
|
{ |
97 |
|
|
} |
98 |
|
|
|
99 |
|
|
|
100 |
|
|
/* |
101 |
|
|
* First source added, start audio stream |
102 |
|
|
*/ |
103 |
|
|
|
104 |
|
|
void audio_enter_stream() |
105 |
|
|
{ |
106 |
|
|
} |
107 |
|
|
|
108 |
|
|
|
109 |
|
|
/* |
110 |
|
|
* Last source removed, stop audio stream |
111 |
|
|
*/ |
112 |
|
|
|
113 |
|
|
void audio_exit_stream() |
114 |
|
|
{ |
115 |
|
|
} |
116 |
|
|
|
117 |
|
|
|
118 |
|
|
/* |
119 |
|
|
* MacOS audio interrupt, read next data block |
120 |
|
|
*/ |
121 |
|
|
|
122 |
|
|
void AudioInterrupt(void) |
123 |
|
|
{ |
124 |
|
|
D(bug("AudioInterrupt\n")); |
125 |
|
|
} |
126 |
|
|
|
127 |
|
|
|
128 |
|
|
/* |
129 |
|
|
* Set sampling parameters |
130 |
|
|
* "index" is an index into the audio_sample_rates[] etc. vectors |
131 |
|
|
* It is guaranteed that AudioStatus.num_sources == 0 |
132 |
|
|
*/ |
133 |
|
|
|
134 |
|
|
bool audio_set_sample_rate(int index) |
135 |
|
|
{ |
136 |
|
|
return NO; |
137 |
|
|
} |
138 |
|
|
|
139 |
|
|
bool audio_set_sample_size(int index) |
140 |
|
|
{ |
141 |
|
|
return NO; |
142 |
|
|
} |
143 |
|
|
|
144 |
|
|
bool audio_set_channels(int index) |
145 |
|
|
{ |
146 |
|
|
return NO; |
147 |
|
|
} |
148 |
|
|
|
149 |
|
|
|
150 |
|
|
/* |
151 |
|
|
* Get/set volume controls (volume values received/returned have the left channel |
152 |
|
|
* volume in the upper 16 bits and the right channel volume in the lower 16 bits; |
153 |
|
|
* both volumes are 8.8 fixed point values with 0x0100 meaning "maximum volume")) |
154 |
|
|
*/ |
155 |
|
|
|
156 |
|
|
bool audio_get_main_mute(void) |
157 |
|
|
{ |
158 |
|
|
return false; |
159 |
|
|
} |
160 |
|
|
|
161 |
|
|
uint32 audio_get_main_volume(void) |
162 |
|
|
{ |
163 |
|
|
return 0x01000100; |
164 |
|
|
} |
165 |
|
|
|
166 |
|
|
bool audio_get_speaker_mute(void) |
167 |
|
|
{ |
168 |
|
|
return false; |
169 |
|
|
} |
170 |
|
|
|
171 |
|
|
uint32 audio_get_speaker_volume(void) |
172 |
|
|
{ |
173 |
|
|
return 0x01000100; |
174 |
|
|
} |
175 |
|
|
|
176 |
|
|
void audio_set_main_mute(bool mute) |
177 |
|
|
{ |
178 |
|
|
} |
179 |
|
|
|
180 |
|
|
void audio_set_main_volume(uint32 vol) |
181 |
|
|
{ |
182 |
|
|
} |
183 |
|
|
|
184 |
|
|
void audio_set_speaker_mute(bool mute) |
185 |
|
|
{ |
186 |
|
|
} |
187 |
|
|
|
188 |
|
|
void audio_set_speaker_volume(uint32 vol) |
189 |
|
|
{ |
190 |
|
|
} |