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add media naming and nfo normalization

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This commit is contained in:
ngfchl
2026-07-18 18:18:50 +08:00
parent bee146ec05
commit 49fefcfe1f
3 changed files with 263 additions and 48 deletions
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lib/models/media_library.dart
+70 -33
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@@ -487,6 +487,11 @@ class ParsedMediaName {
final int? season;
final int? episode;
final bool isEpisode;
final String? resolution;
final String? source;
final String? videoCodec;
final String? audio;
final String? dynamicRange;
const ParsedMediaName({
required this.title,
@@ -494,50 +499,82 @@ class ParsedMediaName {
this.season,
this.episode,
this.isEpisode = false,
this.resolution,
this.source,
this.videoCodec,
this.audio,
this.dynamicRange,
});
factory ParsedMediaName.parse(String name) {
var stem = name.replaceFirst(RegExp(r'\.[^.]+$'), '');
stem = stem.replaceAll(RegExp(r'[\._]+'), ' ');
final episodeMatch =
RegExp(
r'(?:S|第)\s*(\d{1,2})\s*(?:E|季\s*第?)\s*(\d{1,3})',
caseSensitive: false,
).firstMatch(stem) ??
RegExp(r'(\d{1,2})x(\d{1,3})', caseSensitive: false).firstMatch(stem);
final yearMatch = RegExp(r'(19\d{2}|20\d{2})').firstMatch(stem);
final cutIndex =
[
episodeMatch?.start,
yearMatch?.start,
RegExp(
r'\b(2160p|1080p|720p|bluray|web[- ]?dl|hdtv|x264|x265|hevc)\b',
final stem = name.replaceFirst(RegExp(r'\.[^.]+$'), '');
final normalized = stem.replaceAll(RegExp(r'[._]+'), ' ');
final episodeMatch = RegExp(
r'\bS(\d{1,2})[ ._-]*E(\d{1,3})\b|\b(\d{1,2})x(\d{1,3})\b|第\s*(\d{1,2})\s*季\s*第?\s*(\d{1,3})\s*[集话]',
caseSensitive: false,
).firstMatch(normalized);
int? season;
int? episode;
if (episodeMatch != null) {
final groups = [
[1, 2],
[3, 4],
[5, 6],
];
for (final pair in groups) {
final a = episodeMatch.group(pair[0]);
final b = episodeMatch.group(pair[1]);
if (a != null && b != null) {
season = int.tryParse(a);
episode = int.tryParse(b);
break;
}
}
}
final episodeOnly = season == null
? RegExp(
r'\b(?:E|EP|Episode)[ ._-]*(\d{1,3})\b|第\s*(\d{1,3})\s*[集话]',
caseSensitive: false,
).firstMatch(stem)?.start,
].whereType<int>().fold<int?>(
null,
(min, value) => min == null || value < min ? value : min,
);
var title = cutIndex == null ? stem : stem.substring(0, cutIndex);
).firstMatch(normalized)
: null;
if (episodeOnly != null) {
season = 1;
episode = int.tryParse(
episodeOnly.group(1) ?? episodeOnly.group(2) ?? '',
);
}
String? first(String pattern) =>
RegExp(pattern, caseSensitive: false).firstMatch(normalized)?.group(0);
final yearMatch = RegExp(r'\b(19\d{2}|20\d{2})\b').firstMatch(normalized);
final boundary = RegExp(
r'\b(?:19\d{2}|20\d{2}|S\d{1,2}[ ._-]*E\d{1,3}|\d{1,2}x\d{1,3}|2160p|1080p|720p|480p|4k|web[- ]?(?:dl|rip)?|bluray|bdrip|remux|hdtv|dvd|x26[45]|h\.?26[45]|hevc|av1|aac|ac3|eac3|flac|truehd|dts|ddp|atmos|hdr|dv)\b',
caseSensitive: false,
);
final boundaryMatch = boundary.firstMatch(normalized);
var title = boundaryMatch != null
? normalized.substring(0, boundaryMatch.start)
: normalized;
title = title
.replaceAll(RegExp(r'[\[\]\(\)]'), ' ')
.replaceAll(RegExp(r'[\[\]【】(){}]'), ' ')
.replaceAll(RegExp(r'\s+'), ' ')
.trim();
if (title.isEmpty) title = stem.trim();
if (title.isEmpty) title = normalized.trim();
return ParsedMediaName(
title: title,
year: yearMatch == null ? null : int.tryParse(yearMatch.group(1)!),
season: episodeMatch == null
? null
: int.tryParse(episodeMatch.group(1)!),
episode: episodeMatch == null
? null
: int.tryParse(episodeMatch.group(2)!),
isEpisode: episodeMatch != null,
season: season,
episode: episode,
isEpisode: season != null && episode != null,
resolution: first(r'\b(?:2160p|1080p|720p|480p|4k)\b'),
source: first(
r'\b(?:WEB[- ]?DL|WEBRip|BluRay|BDRip|REMUX|HDTV|DVD|UHD)\b',
),
videoCodec: first(r'\b(?:x26[45]|h\.?26[45]|HEVC|AV1|VC-1)\b'),
audio: first(
r'\b(?:Atmos|TrueHD|DTS(?:-HD)?|DDP?(?: ?[0-9.]+)?|AAC|FLAC)\b',
),
dynamicRange: first(r'\b(?:HDR10?\+?|Dolby[ .-]?Vision|DV)\b'),
);
}
}