blob: 5277a3d65983576ef5632336fc07441dd4be81ab (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
#include "audio.h"
#include "source.h"
namespace jin
{
namespace audio
{
void SDLAudio::defaultCallback(void *userdata, Uint8 *stream, int size)
{
SDLAudio* audio = (SDLAudio*)userdata;
SDL_LockAudioDevice(audio->audioDevice);
audio->processCommands();
audio->processSources(stream, size);
SDL_UnlockAudioDevice(audio->audioDevice);
}
onlyonce bool SDLAudio::_init(const SettingBase* s)
{
if (SDL_Init(SDL_INIT_AUDIO) < 0)
return false;
SDLAudioSetting* setting = (SDLAudioSetting*)s;
SDL_AudioSpec spec;
zero(spec);
spec.freq = 44100;
spec.format = AUDIO_S16SYS;
spec.channels = 1;
spec.samples = 2048;
spec.userdata = this;
spec.callback = defaultCallback;
audioDevice = SDL_OpenAudioDevice(NULL, 0, &spec, NULL, 0);
if (audioDevice == 0)
{
return false;
}
// start audio
SDL_PauseAudioDevice(audioDevice, 0);
return true;
}
onlyonce void SDLAudio::_quit()
{
SDL_CloseAudio();
delete audio;
}
void SDLAudio::processCommands()
{
SDLSourceManager::get()->processCommands();
}
void SDLAudio::processSources(Uint8* buffer, int len)
{
SDLSourceManager::get()->processSources(buffer, len);
}
void SDLAudio::play() {}
void SDLAudio::stop() {}
bool SDLAudio::pause()
{
return false;
}
bool SDLAudio::pause(Source* source)
{
return false;
}
bool SDLAudio::resume()
{
return false;
}
bool SDLAudio::resume(Source* source)
{
return false;
}
void SDLAudio::rewind()
{
}
void SDLAudio::setVolume(float volume)
{
}
float SDLAudio::getVolume()
{
return 0.f;
}
}
}
|
