forked from dolphin-emu/dolphin
		
	
		
			
				
	
	
		
			68 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // Copyright 2008 Dolphin Emulator Project
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| // Licensed under GPLv2+
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| // Refer to the license.txt file included.
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| 
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| // This audio backend uses XAudio2 via XAUDIO2_DLL
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| // It works on Windows 8+, where it is included as an OS component.
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| // This backend is always compiled, but only available if running on Win8+
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| 
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| #pragma once
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| 
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| #include <memory>
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| 
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| #include "AudioCommon/SoundStream.h"
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| #include "Common/Event.h"
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| 
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| #ifdef _WIN32
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| 
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| #include <windows.h>
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| 
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| struct StreamingVoiceContext;
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| struct IXAudio2;
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| struct IXAudio2MasteringVoice;
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| 
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| #endif
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| 
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| class XAudio2 final : public SoundStream
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| {
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| #ifdef _WIN32
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| 
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| private:
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|   class Releaser
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|   {
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|   public:
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|     template <typename R>
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|     void operator()(R* ptr)
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|     {
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|       ptr->Release();
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|     }
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|   };
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| 
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|   std::unique_ptr<IXAudio2, Releaser> m_xaudio2;
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|   std::unique_ptr<StreamingVoiceContext> m_voice_context;
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|   IXAudio2MasteringVoice* m_mastering_voice;
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| 
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|   Common::Event m_sound_sync_event;
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|   float m_volume;
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| 
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|   const bool m_cleanup_com;
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| 
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|   static HMODULE m_xaudio2_dll;
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|   static void* PXAudio2Create;
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| 
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|   static bool InitLibrary();
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| 
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| public:
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|   XAudio2();
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|   virtual ~XAudio2();
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| 
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|   bool Start() override;
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|   void Stop() override;
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| 
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|   void Clear(bool mute) override;
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|   void SetVolume(int volume) override;
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| 
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|   static bool isValid() { return InitLibrary(); }
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| #endif
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| };
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