Seconds after time window end sidecar is kept awake.
Whether first load only resolves duration, without loading media data, see SidecarDomController.loadDuration. Sidecar stays dormant until main media time gets near its time window. Ignored when track state has duration, first load is skipped then.
Minimum milliseconds between seeks of sidecar that can't play at main media playback rate, see SeekStepper.
Seconds of main media time at 1x between seeks of sidecar that can't play at main media playback rate, multiplied by absolute playback rate, see SeekStepper.
Seconds before warm-up start dormant sidecar is woken up. Scaled by playback rate.
Seconds before time window start sidecar starts warming up hidden.
Budget limiting number of sidecars awake at once, shared by all sidecars of a player. Defaults to budget without limit.