moonlight-qt/app/streaming/video/ffmpeg-renderers/pacer.h

#pragma once

#include "renderer.h"

#include <QQueue>

class Pacer
{
public:
    Pacer();

    ~Pacer();

    AVFrame* getFrameAtVsync();

    void submitFrame(AVFrame* frame);

    void initialize(SDL_Window* window, int maxVideoFps);

    void drain();

private:
    QQueue<AVFrame*> m_FrameQueue;
    QQueue<int> m_FrameQueueHistory;
    SDL_SpinLock m_FrameQueueLock;

    int m_MaxVideoFps;
    int m_DisplayFps;
};