Oolite 1.91.0.7644-241112-7f5034b
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OOALSoundMixer.h
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1/*
2
3OOALSoundMixer.h
4
5Class responsible for managing and mixing sound channels. This class is an
6implementation detail. Do not use it directly; use an OOSoundSource to play an
7OOSound.
8
9OOALSound - OpenAL sound implementation for Oolite.
10Copyright (C) 2006-2013 Jens Ayton
11
12Permission is hereby granted, free of charge, to any person obtaining a copy
13of this software and associated documentation files (the "Software"), to deal
14in the Software without restriction, including without limitation the rights
15to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
16copies of the Software, and to permit persons to whom the Software is
17furnished to do so, subject to the following conditions:
18
19The above copyright notice and this permission notice shall be included in all
20copies or substantial portions of the Software.
21
22THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
25AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
27OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
28SOFTWARE.
29
30*/
31
32#import <Foundation/Foundation.h>
33
34@class OOSoundChannel;
35
36
37enum
38{
40};
41
42
43@interface OOSoundMixer: NSObject
44{
45 OOSoundChannel *_channels[kMixerGeneralChannels];
47
48 uint32_t _maxChannels;
49 uint32_t _playMask;
50
51}
52
53// Singleton accessor
54+ (id) sharedMixer;
55
56- (void) update;
57
58- (OOSoundChannel *) popChannel;
59- (void) pushChannel:(OOSoundChannel *)channel;
60
61@end
@ kMixerGeneralChannels
OOSoundChannel * _freeList
uint32_t _maxChannels
OOSoundChannel * _channels[kMixerGeneralChannels]
uint32_t _playMask