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82 lines
1.5 KiB
C++
82 lines
1.5 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_7.dll
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// This version of the library is included in the June 2010 DirectX SDK and
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// works on all versions of Windows, however the SDK and/or redist must be
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// seperately installed.
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// Therefore this backend is available iff:
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// * SDK is available at compile-time
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// * runtime dll is available at runtime
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#pragma once
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#include <memory>
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#include "AudioCommon/SoundStream.h"
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#include "Common/Thread.h"
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#ifdef _WIN32
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#include <Windows.h>
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struct StreamingVoiceContext2_7;
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struct IXAudio2;
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struct IXAudio2MasteringVoice;
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#endif
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class XAudio2_7 : public SoundStream
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{
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#ifdef _WIN32
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private:
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static void ReleaseIXAudio2(IXAudio2 *ptr);
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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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ReleaseIXAudio2(ptr);
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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<StreamingVoiceContext2_7> 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 bool InitLibrary();
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public:
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XAudio2_7(CMixer *mixer);
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virtual ~XAudio2_7();
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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;
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static bool isValid() { return InitLibrary(); }
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#else
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public:
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XAudio2_7(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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