forked from dolphin-emu/dolphin
104 lines
2.1 KiB
C++
104 lines
2.1 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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#ifndef _XAUDIO2STREAM_H_
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#define _XAUDIO2STREAM_H_
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#include "SoundStream.h"
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#ifdef _WIN32
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#include "Thread.h"
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#include <xaudio2.h>
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#include <memory>
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struct StreamingVoiceContext : public IXAudio2VoiceCallback
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{
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private:
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CMixer* const m_mixer;
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Common::Event& m_sound_sync_event;
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IXAudio2SourceVoice* m_source_voice;
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std::unique_ptr<BYTE[]> xaudio_buffer;
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void SubmitBuffer(PBYTE buf_data);
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public:
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StreamingVoiceContext(IXAudio2 *pXAudio2, CMixer *pMixer, Common::Event& pSyncEvent);
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~StreamingVoiceContext();
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void StreamingVoiceContext::Stop();
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void StreamingVoiceContext::Play();
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STDMETHOD_(void, OnVoiceError) (THIS_ void* pBufferContext, HRESULT Error) {}
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STDMETHOD_(void, OnVoiceProcessingPassStart) (UINT32) {}
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STDMETHOD_(void, OnVoiceProcessingPassEnd) () {}
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STDMETHOD_(void, OnBufferStart) (void*) {}
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STDMETHOD_(void, OnLoopEnd) (void*) {}
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STDMETHOD_(void, OnStreamEnd) () {}
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STDMETHOD_(void, OnBufferEnd) (void* context);
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};
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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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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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private:
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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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public:
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XAudio2(CMixer *mixer)
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: SoundStream(mixer)
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, m_mastering_voice(nullptr)
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, m_volume(1.0f)
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, m_cleanup_com(SUCCEEDED(CoInitializeEx(NULL, COINIT_MULTITHREADED)))
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{}
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virtual ~XAudio2()
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{
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Stop();
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if (m_cleanup_com)
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CoUninitialize();
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}
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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 true; }
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#else
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public:
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XAudio2(CMixer *mixer, void *hWnd = NULL)
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: SoundStream(mixer)
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{}
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#endif
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};
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#endif //_XAUDIO2STREAM_H_
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