78 lines
2.0 KiB
C#
78 lines
2.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using Jellyfin.Extensions;
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using LrcParser.Model;
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using LrcParser.Parser;
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using MediaBrowser.Controller.Lyrics;
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using MediaBrowser.Controller.Resolvers;
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using MediaBrowser.Model.Lyrics;
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namespace MediaBrowser.Providers.Lyric;
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/// <summary>
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/// LRC Lyric Parser.
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/// </summary>
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public class LrcLyricParser : ILyricParser
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{
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private readonly LyricParser _lrcLyricParser;
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private static readonly string[] _supportedMediaTypes = [".lrc", ".elrc"];
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/// <summary>
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/// Initializes a new instance of the <see cref="LrcLyricParser"/> class.
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/// </summary>
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public LrcLyricParser()
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{
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_lrcLyricParser = new LrcParser.Parser.Lrc.LrcParser();
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}
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/// <inheritdoc />
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public string Name => "LrcLyricProvider";
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/// <summary>
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/// Gets the priority.
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/// </summary>
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/// <value>The priority.</value>
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public ResolverPriority Priority => ResolverPriority.Fourth;
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/// <inheritdoc />
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public LyricDto? ParseLyrics(LyricFile lyrics)
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{
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if (!_supportedMediaTypes.Contains(Path.GetExtension(lyrics.Name.AsSpan()), StringComparison.OrdinalIgnoreCase))
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{
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return null;
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}
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Song lyricData;
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try
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{
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lyricData = _lrcLyricParser.Decode(lyrics.Content);
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}
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catch (Exception)
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{
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// Failed to parse, return null so the next parser will be tried
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return null;
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}
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List<LrcParser.Model.Lyric> sortedLyricData = lyricData.Lyrics.OrderBy(x => x.StartTime).ToList();
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if (sortedLyricData.Count == 0)
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{
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return null;
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}
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List<LyricLine> lyricList = [];
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for (int i = 0; i < sortedLyricData.Count; i++)
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{
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long ticks = TimeSpan.FromMilliseconds(sortedLyricData[i].StartTime).Ticks;
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lyricList.Add(new LyricLine(sortedLyricData[i].Text.Trim(), ticks));
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}
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return new LyricDto { Lyrics = lyricList };
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}
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}
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