OptionalbitrateMinimum bitrate in kbps below which quality drops to medium.
OptionaldowngradeConsecutive samples pointing downward required before committing a lower tier.
OptionalpacketPacket-loss ratio (0-1) at or above which quality is forced to low.
OptionalpacketPacket-loss ratio (0-1) at or above which quality drops to medium.
OptionalrttRound-trip time in milliseconds at or above which quality is forced to low.
OptionalrttRound-trip time in milliseconds at or above which quality drops to medium.
OptionalupgradeConsecutive samples pointing upward required before committing a higher tier.
Threshold and hysteresis options for the SimpleBandwidthEstimator.
Streak options add hysteresis so that a single noisy sample does not flip the committed quality tier.