mgl_audio_renderer_xaudio2.h

[詳解]

// SPDX-License-Identifier: Zlib
/* ------------------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */
 
#ifndef INCGUARD_MGL_AUDIO_RENDERER_XAUDIO2_H_1617349652
#define INCGUARD_MGL_AUDIO_RENDERER_XAUDIO2_H_1617349652
 
#include <mgl/mgl_environment.h>
#if defined(MGL_AUDIO_RENDERER_ENABLE_XAUDIO2)
 
#include <mgl/audio/renderer/mgl_audio_renderer.h>
#include <mgl/stl/mgl_stl_memory.h>
 
#include <atlbase.h>
#include <xaudio2.h>
 
namespace MGL::Audio
{
class XAudio2Renderer : public Renderer
    , IXAudio2VoiceCallback
{
public:
    XAudio2Renderer() noexcept;
    ~XAudio2Renderer() noexcept;
 
    bool Initialize(InitializeMode initMode, RenderingFunction rendering) noexcept override;
 
private:
    void STDMETHODCALLTYPE OnVoiceProcessingPassStart(UINT32 samplesRequired) override;
 
    // 未使用コールバック関数
    void STDMETHODCALLTYPE OnVoiceProcessingPassEnd(void) override {}
    void STDMETHODCALLTYPE OnStreamEnd(void) override {}
    void STDMETHODCALLTYPE OnBufferStart(void * /*pBufferContext*/) override {}
    void STDMETHODCALLTYPE OnBufferEnd(void * /*pBufferContext*/) override {}
    void STDMETHODCALLTYPE OnLoopEnd(void * /*pBufferContext*/) override {}
    void STDMETHODCALLTYPE OnVoiceError(void * /*pBufferContext*/, HRESULT /*Error*/) override {}
 
    bool _isInitialize;                         
    CComPtr<IXAudio2> _xaudio2;                 
    IXAudio2MasteringVoice *_masteringVoice;    
    IXAudio2SourceVoice *_sourceVoice;          
 
    static constexpr int kRingBufferCount = 2;    
    STL::unique_ptr<std::byte[]> _ringBuffer[kRingBufferCount];
    int _currentRingBuffer;    
};
}    // namespace MGL::Audio
 
#endif    // MGL_AUDIO_RENDERER_ENABLE_XAUDIO2
#endif    // INCGUARD_MGL_AUDIO_RENDERER_XAUDIO2_H_1617349652
 
// vim: et ts=4 sw=4 sts=4