FpsFilter constructor
Implementation
FpsFilter({
required this.fps,
this.startTime,
this.round,
this.eofAction,
}) : assert(fps > 0),
assert(round == null || const ['zero', 'inf', 'down', 'up', 'near'].contains(round)),
assert(eofAction == null || const ['round', 'pass'].contains(eofAction));