19 lines
623 B
Dart
19 lines
623 B
Dart
import 'dart:collection';
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import 'closed_caption.dart';
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/// Track that contains closed captions in a specific language.
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class ClosedCaptionTrack {
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/// Closed captions.
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final UnmodifiableListView<ClosedCaption> captions;
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/// Initializes an instance of [ClosedCaptionTrack].
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ClosedCaptionTrack(Iterable<ClosedCaption> captions)
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: captions = UnmodifiableListView(captions);
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/// Gets the caption displayed at the specified point in time.
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/// Returns null if not found.
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ClosedCaption getByTime(Duration time) => captions
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.firstWhere((e) => time >= e.offset && time <= e.end, orElse: () => null);
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}
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