1 files changed, 78 insertions, 5 deletions

diff --git a/src/libjin/Audio/SDL/je_sdl_audio.h b/src/libjin/Audio/SDL/je_sdl_audio.h
index 01da7b3..b13dc10 100644
--- a/src/libjin/Audio/SDL/je_sdl_audio.h
+++ b/src/libjin/Audio/SDL/je_sdl_audio.h
@@ -18,9 +18,15 @@ namespace JinEngine
 	#define SDLAUDIO_BYTEDEPTH (SDLAUDIO_BITDEPTH  >> 3)
 	#define SDLAUDIO_CHANNELS  2
 
+        ///
+        /// Audio system SDL implementation.
+        ///
 		class SDLAudio : public AudioManager<SDLAudio>
 		{
 		public:
+            ///
+            /// SDL audio setting.
+            ///
 			struct Setting : SettingBase
 			{
 			public:
@@ -28,29 +34,95 @@ namespace JinEngine
 				int samples;    // ��������sample����<=samplerate
 			};
 
-			/* IAudio interface */
+            ///
+            /// Play all sources whose state is playing.
+            ///
 			void play() override;
+
+            ///
+            /// Stop and remove all sources from the queue. 
+            ///
 			void stop() override;
+
+            ///
+            /// Pause audio.
+            ///
 			void pause() override;
+
+            ///
+            /// Resume audio.
+            ///
 			void resume() override;
+
+            ///
+            /// Set global audio volume.
+            ///
 			void setVolume(float volume) override;
-			/* process functions*/
+
+            ///
+            /// Process all commands in the queue.
+            ///
 			void processCommands();
+
+            ///
+            /// Process all sources.
+            /// 
+            /// @param buffer Source buffer.
+            /// @param len Source length.
+            ///
 			void processSources(void* buffer, size_t len);
+
+            ///
+            /// Process audio buffer.
+            /// 
+            /// @param buffer Audio stream buffer.
+            /// @param len Length of stream buffer.
+            ///
 			void processBuffer(void* buffer, size_t len);
+
+            ///
+            /// Goon process.
+            /// 
+            /// @return True if sucessful, otherwise return false.
+            ///
 			bool goOnProcess();
-			/* thread-safe */
+
+            ///
+            /// Lock audio device.
+            ///
 			void lock();
+
+            ///
+            /// Unlock audio device.
+            ///
 			void unlock();
 
 		private:
 			singleton(SDLAudio);
+
+            ///
+            /// SDL audio constructor.
+            ///
 			SDLAudio() {};
+
+            ///
+            /// SDL audio destructor.
+            ///
 			~SDLAudio() {};
-			/* subsystem interface */
+
+            ///
+            /// Initialize audio system.
+            ///
+            /// @param setting Audio setting.
+            ///
 			bool initSystem(const SettingBase* setting) override;
+
+            ///
+            /// Quit audio system.
+            ///
 			void quitSystem() override;
 
+            // Audio device id.
 			unsigned int audioDevice;
 
 		};
@@ -59,4 +131,5 @@ namespace JinEngine
 } // namespace JinEngine
 
 #endif // LIBJIN_MODULES_AUDIO && LIBJIN_AUDIO_SDLAUDIO
-#endif // __JE_AUDIO_SDL_H
+
+#endif // __JE_AUDIO_SDL_H
\ No newline at end of file