bwe

type BWE interface {
	SetBWEListener(bweListner BWEListener)

	Reset()

	HandleREMB(
		receivedEstimate int64,
		expectedBandwidthUsage int64,
		sentPackets uint32,
		repeatedNacks uint32,
	)

	// TWCC sequence number
	RecordPacketSendAndGetSequenceNumber(
		atMicro int64,
		size int,
		isRTX bool,
		probeClusterId ccutils.ProbeClusterId,
		isProbe bool,
	) uint16

	HandleTWCCFeedback(report *rtcp.TransportLayerCC)

	UpdateRTT(rtt float64)

	CongestionState() CongestionState

	CanProbe() bool
	ProbeDuration() time.Duration
	ProbeClusterStarting(pci ccutils.ProbeClusterInfo)
	ProbeClusterDone(pci ccutils.ProbeClusterInfo)
	ProbeClusterIsGoalReached() bool
	ProbeClusterFinalize() (ccutils.ProbeSignal, int64, bool)
}

type BWEListener interface {
	OnCongestionStateChange(fromState CongestionState, toState CongestionState, estimatedAvailableChannelCapacity int64)
}

type CongestionState int

type NullBWE struct {
}