74 lines
2.1 KiB
Dart
74 lines
2.1 KiB
Dart
import 'package:equatable/equatable.dart';
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const Object _translatedTextNotSet = Object();
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/// A single subtitle segment with timing and text content.
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class SubtitleSegment extends Equatable {
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final int index;
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final Duration startTime;
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final Duration endTime;
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final String text;
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final String? translatedText;
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const SubtitleSegment({
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required this.index,
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required this.startTime,
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required this.endTime,
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required this.text,
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this.translatedText,
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});
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SubtitleSegment copyWith({
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int? index,
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Duration? startTime,
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Duration? endTime,
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String? text,
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Object? translatedText = _translatedTextNotSet,
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}) {
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return SubtitleSegment(
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index: index ?? this.index,
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startTime: startTime ?? this.startTime,
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endTime: endTime ?? this.endTime,
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text: text ?? this.text,
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translatedText: identical(translatedText, _translatedTextNotSet)
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? this.translatedText
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: translatedText as String?,
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);
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}
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factory SubtitleSegment.fromJson(Map<String, dynamic> json) {
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return SubtitleSegment(
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index: json['index'] as int,
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startTime: Duration(milliseconds: json['startTimeMs'] as int),
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endTime: Duration(milliseconds: json['endTimeMs'] as int),
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text: json['text'] as String,
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translatedText: json['translatedText'] as String?,
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);
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}
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Map<String, dynamic> toJson() {
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return {
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'index': index,
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'startTimeMs': startTime.inMilliseconds,
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'endTimeMs': endTime.inMilliseconds,
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'text': text,
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'translatedText': translatedText,
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};
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}
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@override
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List<Object?> get props => [index, startTime, endTime, text, translatedText];
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@override
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String toString() =>
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'SubtitleSegment($index, ${_formatDuration(startTime)} --> ${_formatDuration(endTime)}, "$text")';
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static String _formatDuration(Duration d) {
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final hours = d.inHours.toString().padLeft(2, '0');
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final minutes = (d.inMinutes % 60).toString().padLeft(2, '0');
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final seconds = (d.inSeconds % 60).toString().padLeft(2, '0');
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final millis = (d.inMilliseconds % 1000).toString().padLeft(3, '0');
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return '$hours:$minutes:$seconds,$millis';
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}
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}
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