2 files changed, 10 insertions, 26 deletions

diff --git a/src/libjin/Audio/SDL/SDLAudio.h b/src/libjin/Audio/SDL/SDLAudio.h
index a8067ba..b43dcfe 100644
--- a/src/libjin/Audio/SDL/SDLAudio.h
+++ b/src/libjin/Audio/SDL/SDLAudio.h
@@ -18,9 +18,7 @@ namespace audio
 
     class SDLAudio : public Audio<SDLAudio>
     {
-
     public:
-
         struct Setting : SettingBase
         {
         public:
@@ -34,23 +32,20 @@ namespace audio
         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() {};
-        
-        SINGLETON(SDLAudio);
-
+        /* subsystem interface */
         bool initSystem(const SettingBase* setting) override;
         void quitSystem() override;
 
diff --git a/src/libjin/Audio/SDL/SDLSource.h b/src/libjin/Audio/SDL/SDLSource.h
index c45d7e5..a99f65e 100644
--- a/src/libjin/Audio/SDL/SDLSource.h
+++ b/src/libjin/Audio/SDL/SDLSource.h
@@ -20,14 +20,11 @@ namespace audio
 
     class SDLSource : public Source
     {
-
     public: 
-
-        ~SDLSource();
-
         static SDLSource* createSource(const char* file);
         static SDLSource* createSource(void* mem, size_t size);
 
+        ~SDLSource();
         /* ISource interface */
         void play() override;
         void stop() override;
@@ -37,25 +34,22 @@ namespace audio
         bool isStopped() const override;
         bool isPaused() const override;
         void setPitch(float pitch) override;
-        // �����Ͻ�
         void setVolume(float volume) override;
         bool setLoop(bool loop) override;
         void setRate(float rate) override;
-
+        /* handle and process anduio clip */
         inline void handle(SDLSourceManager* manager, SDLSourceCommand* cmd);
         inline void process(void* buffer, size_t size);
 
     protected:
-
         SDLSource();
-
+        /* decode raw audio data */
         void decode_wav(void* mem, int size);
         void decode_ogg(void* mem, int size);
-
+        /* check state */
         inline bool is(int state) const { return (status.state & state) == state; }
 
-        struct
-        {
+        struct{
             const void* data;       // ��Ƶ����
             int length;             // data�ֽڳ���
             const void* end;        // data��β = (unsigned char*)data + size
@@ -64,10 +58,8 @@ namespace audio
             int samples;            // sample�� = size / (bitdepth / 8)
             unsigned char channels; // channel��1(mono)��2(stereo)
         } raw;
-
         /* Procedure controller variable */
-        struct
-        {
+        struct{
             int pos;                // ��ǰ���ŵ�sample
             int pitch;              // pitch
             int state;              // ��ǰ״̬
@@ -79,15 +71,13 @@ namespace audio
 
     class SDLSourceManager
     {
-    
     public:
-
         static SDLSourceManager* get();
 
         /* Process function */
         void processCommands();
         void processSources(void* buffer, size_t size);
-        
+        /* control flow */        
         void removeAllSource();
         void removeSource(SDLSource* source);
         void pushSource(SDLSource* source);
@@ -95,7 +85,6 @@ namespace audio
         void pushCommand(SDLSourceCommand* cmd);
         
     private : 
-
         std::queue<SDLSourceCommand*> commands;
         std::stack<SDLSourceCommand*> commandsPool;
         std::vector<SDLSource*> sources;            // processing sources