WasapiDefaultDeviceMgr.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "IAudioMixerWasapiDeviceManager.h"
#include "AudioMixerWasapiDeviceThread.h"
#include "WasapiDefaultRenderStream.h"
 
namespace Audio
{
    class FWasapiDefaultDeviceMgr : public IAudioMixerWasapiDeviceManager
    {
    public:
 
        FWasapiDefaultDeviceMgr() = default;
        virtual ~FWasapiDefaultDeviceMgr() = default;
 
        //~ Begin IAudioMixerWasapiDeviceManager
        virtual bool InitializeHardware(const TArray<FWasapiRenderStreamParams>& InParams, const TFunction<void()>& InCallback) override;
        virtual bool TeardownHardware() override;
        virtual bool IsInitialized() const override;
        virtual int32 GetNumDirectOutChannels() const override { return 0; }
        virtual int32 GetNumFrames(const int32 InNumRequestedFrames) const override;
        virtual bool OpenAudioStream(const TArray<FWasapiRenderStreamParams>& InParams) override;
        virtual bool CloseAudioStream() override;
        virtual bool StartAudioStream() override;
        virtual bool StopAudioStream() override;
        virtual void SubmitBuffer(const uint8* InBuffer, const SIZE_T InNumFrames) override;
        virtual void SubmitDirectOutBuffer(const int32 InDirectOutIndex, const FAlignedFloatBuffer& InBuffer) override { }
        //~ End IAudioMixerWasapiDeviceManager
 
    private:
    
        TUniquePtr<FWasapiDefaultRenderStream> MainRenderStreamDevice;
 
        TUniquePtr<FAudioMixerWasapiDeviceThread> RenderDeviceThread;
    };
 }