50 lines
1.4 KiB
Dart
50 lines
1.4 KiB
Dart
import 'codec_utils.dart';
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/// Utility for building track labels for audio and subtitle tracks.
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class TrackLabelBuilder {
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TrackLabelBuilder._();
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/// Build a label for an audio track.
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///
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/// Combines title, language, codec, and channel count.
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static String buildAudioLabel({
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String? title,
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String? language,
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String? codec,
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int? channelsCount,
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required int index,
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}) {
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final parts = <String>[];
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if (title != null && title.isNotEmpty) {
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parts.add(title);
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}
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if (language != null && language.isNotEmpty) {
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parts.add(language.toUpperCase());
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}
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if (codec != null && codec.isNotEmpty) {
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parts.add(CodecUtils.formatAudioCodec(codec));
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}
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if (channelsCount != null) {
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parts.add('${channelsCount}ch');
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}
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return parts.isEmpty ? 'Audio Track ${index + 1}' : parts.join(' · ');
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}
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/// Build a label for a subtitle track.
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///
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/// Combines title, language, and codec (with friendly codec names).
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static String buildSubtitleLabel({String? title, String? language, String? codec, required int index}) {
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final parts = <String>[];
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if (title != null && title.isNotEmpty) {
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parts.add(title);
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}
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if (language != null && language.isNotEmpty) {
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parts.add(language.toUpperCase());
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}
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if (codec != null && codec.isNotEmpty) {
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parts.add(CodecUtils.formatSubtitleCodec(codec));
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}
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return parts.isEmpty ? 'Track ${index + 1}' : parts.join(' · ');
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}
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}
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