refactor: simplify & deduplicate

2025-12-14 21:03:11 +01:00
parent 00d6f920f0
commit a2a5a5ae55
57 changed files with 1636 additions and 1810 deletions
@@ -0,0 +1,91 @@
+/// Utility class for codec-related operations.
+///
+/// Provides centralized codec name mappings, file extension lookups,
+/// and display name formatting.
+class CodecUtils {
+  CodecUtils._();
+
+  /// Maps Plex subtitle codec names to file extensions.
+  ///
+  /// Returns the appropriate file extension for a given subtitle codec.
+  /// Defaults to 'srt' for unknown or null codecs.
+  static String getSubtitleExtension(String? codec) {
+    if (codec == null) return 'srt';
+
+    switch (codec.toLowerCase()) {
+      case 'subrip':
+      case 'srt':
+        return 'srt';
+      case 'ass':
+        return 'ass';
+      case 'ssa':
+        return 'ssa';
+      case 'webvtt':
+      case 'vtt':
+        return 'vtt';
+      case 'mov_text':
+        return 'srt';
+      case 'pgs':
+      case 'hdmv_pgs_subtitle':
+        return 'sup';
+      case 'dvd_subtitle':
+      case 'dvdsub':
+        return 'sub';
+      default:
+        return 'srt';
+    }
+  }
+
+  /// Formats a subtitle codec name to a user-friendly display format.
+  ///
+  /// Converts internal codec names like 'SUBRIP' to friendly names like 'SRT'.
+  static String formatSubtitleCodec(String codec) {
+    final upper = codec.toUpperCase();
+    return switch (upper) {
+      'SUBRIP' => 'SRT',
+      'DVD_SUBTITLE' => 'DVD',
+      'WEBVTT' => 'VTT',
+      'HDMV_PGS_SUBTITLE' => 'PGS',
+      'MOV_TEXT' => 'MOV',
+      _ => upper,
+    };
+  }
+
+  /// Formats a video codec name to a user-friendly display format.
+  ///
+  /// Converts internal codec names like 'hevc' to friendly names like 'HEVC'.
+  static String formatVideoCodec(String codec) {
+    final lower = codec.toLowerCase();
+    return switch (lower) {
+      'h264' || 'avc1' || 'avc' => 'H.264',
+      'hevc' || 'h265' || 'hev1' => 'HEVC',
+      'av1' => 'AV1',
+      'vp8' => 'VP8',
+      'vp9' => 'VP9',
+      'mpeg2video' || 'mpeg2' => 'MPEG-2',
+      'mpeg4' => 'MPEG-4',
+      'vc1' => 'VC-1',
+      _ => codec.toUpperCase(),
+    };
+  }
+
+  /// Formats an audio codec name to a user-friendly display format.
+  static String formatAudioCodec(String codec) {
+    final lower = codec.toLowerCase();
+    return switch (lower) {
+      'aac' => 'AAC',
+      'ac3' => 'AC3',
+      'eac3' || 'ec3' => 'E-AC3',
+      'truehd' => 'TrueHD',
+      'dts' => 'DTS',
+      'dca' => 'DTS',
+      'dtshd' || 'dts-hd' => 'DTS-HD',
+      'flac' => 'FLAC',
+      'mp3' || 'mp3float' => 'MP3',
+      'opus' => 'Opus',
+      'vorbis' => 'Vorbis',
+      'pcm_s16le' || 'pcm_s24le' || 'pcm' => 'PCM',
+      _ => codec.toUpperCase(),
+    };
+  }
+}