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-rw-r--r--src/libjin/audio/SDL/je_sdl_audio.h138
1 files changed, 138 insertions, 0 deletions
diff --git a/src/libjin/audio/SDL/je_sdl_audio.h b/src/libjin/audio/SDL/je_sdl_audio.h
new file mode 100644
index 0000000..77162d4
--- /dev/null
+++ b/src/libjin/audio/SDL/je_sdl_audio.h
@@ -0,0 +1,138 @@
+#ifndef __JE_AUDIO_SDL_H__
+#define __JE_AUDIO_SDL_H__
+#include "../../core/je_configuration.h"
+#if defined(jin_audio) && (jin_audio == jin_audio_sdl)
+
+#include <vector>
+
+#include "../je_audio_manager.h"
+
+#include "je_sdl_source.h"
+
+namespace JinEngine
+{
+ namespace Audio
+ {
+ namespace SDL
+ {
+
+#define SDLAUDIO_BITDEPTH 16
+#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:
+ int samplerate; // Ƶ
+ int samples; // sample<=samplerate
+ };
+
+ ///
+ /// 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 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();
+
+ ///
+ /// Lock audio device.
+ ///
+ void lock();
+
+ ///
+ /// Unlock audio device.
+ ///
+ void unlock();
+
+ private:
+ singleton(SDLAudio);
+
+ ///
+ /// SDL audio constructor.
+ ///
+ SDLAudio() {};
+
+ ///
+ /// SDL audio destructor.
+ ///
+ ~SDLAudio() {};
+
+ ///
+ /// 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;
+
+ };
+
+ } // namespace SDL
+ } // namespace Audio
+} // namespace JinEngine
+
+#endif // (jin_audio) && (jin_audio == jin_audio_sdl)
+
+#endif // __JE_AUDIO_SDL_H__ \ No newline at end of file