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// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifndef _XAUDIO2STREAM_H_
#define _XAUDIO2STREAM_H_
#include "SoundStream.h"
#ifdef _WIN32
#include "Thread.h"
#include <xaudio2.h>
#include <memory>
struct StreamingVoiceContext : public IXAudio2VoiceCallback
{
private:
CMixer* const m_mixer;
Common::Event& m_sound_sync_event;
IXAudio2SourceVoice* m_source_voice;
std::unique_ptr<BYTE[]> xaudio_buffer;
void SubmitBuffer(PBYTE buf_data);
public:
StreamingVoiceContext(IXAudio2 *pXAudio2, CMixer *pMixer, Common::Event& pSyncEvent);
~StreamingVoiceContext();
void StreamingVoiceContext::Stop();
void StreamingVoiceContext::Play();
STDMETHOD_(void, OnVoiceError) (THIS_ void* pBufferContext, HRESULT Error) {}
STDMETHOD_(void, OnVoiceProcessingPassStart) (UINT32) {}
STDMETHOD_(void, OnVoiceProcessingPassEnd) () {}
STDMETHOD_(void, OnBufferStart) (void*) {}
STDMETHOD_(void, OnLoopEnd) (void*) {}
STDMETHOD_(void, OnStreamEnd) () {}
STDMETHOD_(void, OnBufferEnd) (void* context);
};
#endif
class XAudio2 : public SoundStream
{
#ifdef _WIN32
class Releaser
{
public:
template <typename R>
void operator()(R* ptr)
{
ptr->Release();
}
};
private:
std::unique_ptr<IXAudio2, Releaser> m_xaudio2;
std::unique_ptr<StreamingVoiceContext> m_voice_context;
IXAudio2MasteringVoice *m_mastering_voice;
Common::Event m_sound_sync_event;
float m_volume;
const bool m_cleanup_com;
public:
XAudio2(CMixer *mixer)
: SoundStream(mixer)
, m_mastering_voice(nullptr)
, m_volume(1.0f)
, m_cleanup_com(SUCCEEDED(CoInitializeEx(NULL, COINIT_MULTITHREADED)))
{}
virtual ~XAudio2()
{
Stop();
if (m_cleanup_com)
CoUninitialize();
}
virtual bool Start();
virtual void Stop();
virtual void Update();
virtual void Clear(bool mute);
virtual void SetVolume(int volume);
virtual bool usesMixer() const { return true; }
static bool isValid() { return true; }
#else
public:
XAudio2(CMixer *mixer, void *hWnd = NULL)
: SoundStream(mixer)
{}
#endif
};
#endif //_XAUDIO2STREAM_H_
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