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#define MS_CLASS "RTC::RtpProbationPacketPacer"
// #define MS_LOG_DEV_LEVEL 3

#include "RTC/RtpProbationPacketPacer.hpp"
#include "Logger.hpp"

namespace RTC
{
	static uint8_t PacingIntervalMs{ 10u };

	RtpProbationPacketPacer::RtpProbationPacketPacer(RTC::RtpProbationPacketPacer::Listener* listener)
	  : listener(listener)
	{
		MS_TRACE();

		this->probationGenerator = new RTC::RtpProbationGenerator();

		this->timer = new Timer(this);
	}

	RtpProbationPacketPacer::~RtpProbationPacketPacer()
	{
		MS_TRACE();

		delete this->probationGenerator;
		this->probationGenerator = nullptr;

		delete this->timer;
		this->timer = nullptr;
	}

	void RtpProbationPacketPacer::SendPadding(size_t bytes, const webrtc::PacedPacketInfo& pacingInfo)
	{
		MS_TRACE();

		this->paddingInfos.emplace_back(bytes, pacingInfo);

		if (this->paddingInfos.size() == 1)
		{
			this->timer->Start(PacingIntervalMs);
		}
	}

	void RtpProbationPacketPacer::OnTimer(Timer* timer)
	{
		MS_TRACE();

		if (timer == this->timer)
		{
			if (this->paddingInfos.empty())
			{
				return;
			}

			auto& pair   = this->paddingInfos.front();
			auto* packet = this->probationGenerator->GetNextPacket(pair.first);

			this->paddingInfos.pop_front();

			this->listener->OnRtpProbationPacketPacerSendPacket(packet, pair.second);

			if (!this->paddingInfos.empty())
			{
				this->timer->Start(PacingIntervalMs);
			}
		}
	}
} // namespace RTC