修改audio模块

1 files changed, 59 insertions, 0 deletions

diff --git a/src/libjin/audio/sdl/audio.h b/src/libjin/audio/sdl/audio.h
new file mode 100644
index 0000000..920f56a
--- /dev/null
+++ b/src/libjin/audio/sdl/audio.h
@@ -0,0 +1,59 @@
+#ifndef __JIN_AUDIO_SDL_H
+#define __JIN_AUDIO_SDL_H
+
+#include "../audio.h"
+
+namespace jin
+{
+namespace audio
+{
+
+    class SDLAudio : public Audio
+    {
+    
+    public: 
+        
+        struct Setting : SettingBase
+        {
+            int rate;       // ������
+            int resolution; // �ֱ���
+            char channels;  // ������
+            int samples;    // ȡ����
+            SDL_AudioCallback callback; // ��Ƶ�ص�
+            void* userdata; // �Զ������
+        };
+
+        static void defaultCallback(void *udata, Uint8 *stream, int len);
+
+        static inline Audio* get()
+        {
+            return audio != NULL ? audio : (audio = new SDLAudio());
+        }
+
+        /* IAudio interface */
+        void play() override;
+        void stop() override;
+        bool pause() override;
+        bool pause(Source* source) override;
+        bool resume() override;
+        bool resume(Source* source) override;
+        void rewind() override;
+        void setVolume(float volume) override;
+        float getVolume() override;
+
+    private: 
+
+        SDLAudio() {}
+        ~SDLAudio() {}
+
+        onlyonce bool _init(const SettingBase* setting) override;
+        onlyonce void _quit() override;
+
+    };
+
+    typedef SDLAudio::Setting SDLAudioSetting;
+
+}
+}
+
+#endif
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