blob: 1a29595ee61e8d1142dc736a428485d1abc90b73 (
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
|
#ifndef __LIBJIN_AUDIO_SDL_H
#define __LIBJIN_AUDIO_SDL_H
#include "../../configuration.h"
#if LIBJIN_MODULES_AUDIO && LIBJIN_AUDIO_SDLAUDIO
#include "SDLSource.h"
#include <vector>
#include "../audio.h"
namespace jin
{
namespace audio
{
#define SDLAUDIO_BITDEPTH 16
#define SDLAUDIO_BYTEDEPTH (SDLAUDIO_BITDEPTH >> 3)
#define SDLAUDIO_CHANNELS 2
class SDLAudio : public Audio<SDLAudio>
{
public:
struct Setting : SettingBase
{
public:
int samplerate; // Ƶ
int samples; // sample<=samplerate
};
/* IAudio interface */
void play() override;
void stop() override;
void pause() override;
void resume() override;
void setVolume(float volume) override;
/* process functions*/
void processCommands();
void processSources(void* buffer, size_t len);
void processBuffer(void* buffer, size_t len);
bool goOnProcess();
/* thread-safe */
void lock();
void unlock();
private:
singleton(SDLAudio);
SDLAudio() {};
~SDLAudio() {};
/* subsystem interface */
bool initSystem(const SettingBase* setting) override;
void quitSystem() override;
unsigned int audioDevice;
};
} // namespace audio
} // namespace jin
#endif // LIBJIN_MODULES_AUDIO && LIBJIN_AUDIO_SDLAUDIO
#endif // __LIBJIN_AUDIO_SDL_H
|
