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

#pragma once

#include <SDL.h>

#include "streaming/video/overlaymanager.h"

extern "C" {
#include <libavcodec/avcodec.h>
}

class IFFmpegRenderer : public Overlay::IOverlayRenderer {
public:
    enum FramePacingConstraint {
        PACING_FORCE_OFF,
        PACING_FORCE_ON,
        PACING_ANY
    };

    virtual bool initialize(SDL_Window* window,
                            int videoFormat,
                            int width,
                            int height,
                            int maxFps,
                            bool enableVsync) = 0;
    virtual bool prepareDecoderContext(AVCodecContext* context) = 0;
    virtual void renderFrameAtVsync(AVFrame* frame) = 0;
    virtual bool needsTestFrame() = 0;
    virtual int getDecoderCapabilities() = 0;
    virtual FramePacingConstraint getFramePacingConstraint() = 0;

    // IOverlayRenderer
    virtual void notifyOverlayUpdated(Overlay::OverlayType) override {
        // Nothing
    }
};