src/libjin/audio/audio.h


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

#ifndef __JIN_AUDIO_H
#define __JIN_AUDIO_H

#include <SDL2/SDL.h>

#include "../utils/macros.h"
#include "../common/subsystem.h"

namespace jin
{
namespace audio
{

    class Audio : public common::Subsystem
    {
    public:
        
        struct Setting : SettingBase
        {
            int freq;
            int format;
            char channels; 
            int samples; 
            SDL_AudioCallback callback;
            void* userdata; 
        };
        
        bool init(const SettingBase* setting) override;
        void quit() override;

        static inline Audio* get()
        {
            return (audio == NULL ? (audio = new Audio()) : audio);
        }

        static void defaultCallback(void *udata, Uint8 *stream, int len);

    private:

        Audio() {}; 
        ~Audio() {};

        static Audio* audio;

        onlyonce bool _init(const SettingBase* setting) override;
        onlyonce void _quit() override; 
    };

    typedef Audio::Setting AudioSetting;

}
}

#endif