#pragma once

#include "OpenGLRenderPipeline.h"

#include <chrono>
#include <cstdint>

class HealthTelemetry;
class RenderEngine;

class OpenGLVideoIOBridge
{
public:
	OpenGLVideoIOBridge(
		VideoIODevice& videoIO,
		RenderEngine& renderEngine,
		HealthTelemetry& healthTelemetry);

	void VideoFrameArrived(const VideoIOFrame& inputFrame);
	void PlayoutFrameCompleted(const VideoIOCompletion& completion);

private:
	void RecordFramePacing(VideoIOCompletionResult completionResult);

	VideoIODevice& mVideoIO;
	RenderEngine& mRenderEngine;
	HealthTelemetry& mHealthTelemetry;
	std::chrono::steady_clock::time_point mLastPlayoutCompletionTime;
	double mCompletionIntervalMilliseconds = 0.0;
	double mSmoothedCompletionIntervalMilliseconds = 0.0;
	double mMaxCompletionIntervalMilliseconds = 0.0;
	uint64_t mLateFrameCount = 0;
	uint64_t mDroppedFrameCount = 0;
	uint64_t mFlushedFrameCount = 0;
};