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feat: configurable intro/credits marker regex patterns

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Add settings to customize regex patterns for matching intro and credits
markers in chapter titles, with the current hardcoded values as defaults.
Also reclassifies real markers with non-standard type strings against the
configured patterns.
This commit is contained in:
edde746
2026-03-11 15:00:24 +01:00
parent 69092e3656
commit d1bb99635a
36 changed files with 440 additions and 53 deletions
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lib/models/plex_media_info.dart
+27 -14
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@@ -227,29 +227,42 @@ class PlaybackExtras {
PlaybackExtras({required this.chapters, required this.markers});
static final _introPattern = RegExp(
r'(?:^|\b)(?:intro(?:duction)?|opening)(?:\b|$)|^op(?:\s?\d+)?$',
caseSensitive: false,
);
static final _creditsPattern = RegExp(
r'(?:^|\b)(?:outro|closing|credits?|ending)(?:\b|$)|^ed(?:\s?\d+)?$',
caseSensitive: false,
);
static String? _classifyChapterTitle(String title) {
if (_introPattern.hasMatch(title)) return 'intro';
if (_creditsPattern.hasMatch(title)) return 'credits';
static String? _classifyChapterTitle(String title, RegExp introPattern, RegExp creditsPattern) {
if (introPattern.hasMatch(title)) return 'intro';
if (creditsPattern.hasMatch(title)) return 'credits';
return null;
}
/// Returns [PlaybackExtras] using real markers when available, otherwise
/// synthesises markers from chapter titles matching intro/credits patterns.
/// When real markers exist, reclassifies markers with unknown types against
/// the patterns so non-standard type strings (e.g. "OP-Song") get recognized.
factory PlaybackExtras.withChapterFallback({
required List<PlexChapter> chapters,
required List<PlexMarker> markers,
String? introPatternStr,
String? creditsPatternStr,
}) {
final introPattern = RegExp(
introPatternStr ?? r'(?:^|\b)(?:intro(?:duction)?|opening)(?:\b|$)|^op(?:\s?\d+)?$',
caseSensitive: false,
);
final creditsPattern = RegExp(
creditsPatternStr ?? r'(?:^|\b)(?:outro|closing|credits?|ending)(?:\b|$)|^ed(?:\s?\d+)?$',
caseSensitive: false,
);
if (markers.isNotEmpty) {
return PlaybackExtras(chapters: chapters, markers: markers);
// Reclassify markers with non-standard types against the patterns
final reclassified = markers.map((m) {
if (m.type == 'intro' || m.type == 'credits') return m;
final newType = _classifyChapterTitle(m.type, introPattern, creditsPattern);
if (newType != null) {
return PlexMarker(id: m.id, type: newType, startTimeOffset: m.startTimeOffset, endTimeOffset: m.endTimeOffset);
}
return m;
}).toList();
return PlaybackExtras(chapters: chapters, markers: reclassified);
}
final synthetic = <PlexMarker>[];
@@ -258,7 +271,7 @@ class PlaybackExtras {
final title = ch.title;
if (title == null || title.isEmpty) continue;
final type = _classifyChapterTitle(title);
final type = _classifyChapterTitle(title, introPattern, creditsPattern);
if (type == null) continue;
final start = ch.startTimeOffset;