MediaTicker.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Containers/Array.h"
#include "HAL/CriticalSection.h"
#include "HAL/Runnable.h"
#include "Templates/Atomic.h"
#include "Templates/SharedPointer.h"
 
#include "IMediaTicker.h"
 
class FEvent;
class IMediaTickable;
 
 
class FMediaTicker
    : public FRunnable
    , public IMediaTicker
{
public:
 
    FMediaTicker();
 
    virtual ~FMediaTicker();
 
public:
 
    //~ FRunnable interface
 
    virtual bool Init() override;
    virtual uint32 Run() override;
    virtual void Stop() override;
    virtual void Exit() override;
 
public:
 
    //~ IMediaTicker interface
 
    virtual void AddTickable(const TSharedRef<IMediaTickable, ESPMode::ThreadSafe>& Tickable) override;
    virtual void RemoveTickable(const TSharedRef<IMediaTickable, ESPMode::ThreadSafe>& Tickable) override;
 
protected:
 
    void TickTickables();
 
private:
 
    FCriticalSection CriticalSection;
 
    TAtomic<bool> Stopping;
 
    TArray<TWeakPtr<IMediaTickable, ESPMode::ThreadSafe>> Tickables;
 
    TArray<TWeakPtr<IMediaTickable, ESPMode::ThreadSafe>> TickablesCopy;
 
    FEvent* WakeupEvent;
};