修改audio模块

1 files changed, 83 insertions, 0 deletions

diff --git a/src/libjin/audio/sdl/audio.cpp b/src/libjin/audio/sdl/audio.cpp
new file mode 100644
index 0000000..0559c18
--- /dev/null
+++ b/src/libjin/audio/sdl/audio.cpp
@@ -0,0 +1,83 @@
+#include "audio.h"
+
+namespace jin
+{
+namespace audio
+{
+
+    onlyonce bool SDLAudio::_init(const SettingBase* s)
+    {
+        if (SDL_Init(SDL_INIT_AUDIO) < 0)
+            return false;
+
+        const SDLAudioSetting* setting = (SDLAudioSetting*)s;
+        SDL_AudioSpec wanted;
+        zero(wanted);
+        wanted.freq = setting->rate;
+        wanted.format = setting->resolution;
+        wanted.channels = setting->channels;
+        wanted.samples = setting->samples;
+        wanted.userdata = setting->userdata;
+        wanted.callback = setting->callback;
+
+        if (SDL_OpenAudio(&wanted, NULL) < 0)
+        {
+            return false;
+        }
+        // start audio 
+        SDL_PauseAudio(0);
+        return true;
+    }
+
+    onlyonce void SDLAudio::_quit()
+    {
+        SDL_CloseAudio();
+        delete audio;
+    }
+
+    void SDLAudio::defaultCallback(void *udata, Uint8 *stream, int len)
+    {
+
+    }
+
+    void SDLAudio::play() {}
+    
+    void SDLAudio::stop() {}
+    
+    bool SDLAudio::pause()
+    {
+        return false;
+    }
+
+    bool SDLAudio::pause(Source* source)
+    {
+        return false; 
+    }
+    
+    bool SDLAudio::resume()
+    {
+        return false;
+    }
+    
+    bool SDLAudio::resume(Source* source)
+    {
+        return false;
+    }
+    
+    void SDLAudio::rewind() 
+    {
+    
+    }
+    
+    void SDLAudio::setVolume(float volume) 
+    {
+    
+    }
+    
+    float SDLAudio::getVolume() 
+    {
+        return 0.f;
+    }
+
+}
+}