75 lines
1.3 KiB
C++
75 lines
1.3 KiB
C++
// Copyright 2013 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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// 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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#pragma once
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#include <memory>
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#include "Thread.h"
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#include "SoundStream.h"
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#ifdef _WIN32
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struct StreamingVoiceContext;
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struct IXAudio2;
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struct IXAudio2MasteringVoice;
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#endif
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class XAudio2 : public SoundStream
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{
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#ifdef _WIN32
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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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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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Common::Event m_sound_sync_event;
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float m_volume;
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const bool m_cleanup_com;
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static HMODULE m_xaudio2_dll;
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static void *PXAudio2Create;
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static bool InitLibrary();
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public:
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XAudio2(CMixer *mixer);
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virtual ~XAudio2();
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virtual bool Start();
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virtual void Stop();
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virtual void Update();
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virtual void Clear(bool mute);
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virtual void SetVolume(int volume);
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virtual bool usesMixer() const { return true; }
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static bool isValid() { return InitLibrary(); }
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#else
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public:
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XAudio2(CMixer *mixer)
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: SoundStream(mixer)
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{}
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#endif
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};
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