WasapiCaptureThread.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "HAL/Runnable.h"
#include "HAL/RunnableThread.h"
#include "WasapiInputStream.h"
 
 
namespace Audio
{
    class FWasapiCaptureRunnable : public FRunnable
    {
    public:
        FWasapiCaptureRunnable() = delete;
        FWasapiCaptureRunnable(FWasapiCaptureRunnable&& InOther) = delete;
        FWasapiCaptureRunnable(const FWasapiCaptureRunnable& InOther) = delete;
 
        FWasapiCaptureRunnable& operator=(FWasapiCaptureRunnable&& InOther) = delete;
        FWasapiCaptureRunnable& operator=(const FWasapiCaptureRunnable& InOther) = delete;
 
        explicit FWasapiCaptureRunnable(TSharedPtr<FWasapiInputStream> InStream);
        
        virtual ~FWasapiCaptureRunnable() = default;
 
        // Begin FRunnable overrides
        virtual uint32 Run() override;
        virtual void Stop() override;
        // End FRunnable overrides
 
    private:
        std::atomic<bool> bIsRunning;
        uint32 InputStreamTimeoutsDetected = 0;
        uint32 InputStreamDeviceErrorsDetected = 0;
        TSharedPtr<FWasapiInputStream> InputStream;
    };
 
    class FWasapiCaptureThread
    {
    public:
        FWasapiCaptureThread() = delete;
 
        explicit FWasapiCaptureThread(TSharedPtr<FWasapiInputStream> InStream);
 
        bool Start();
 
        void Stop();
 
        void Abort();
 
    private:
        TUniquePtr<FRunnableThread> CaptureThread;
        TUniquePtr<FWasapiCaptureRunnable> CaptureRunnable;
    };
}