449 lines
18 KiB
C#
449 lines
18 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Globalization;
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using System.Linq;
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using System.Text.RegularExpressions;
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using System.Threading;
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using System.Threading.Tasks;
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using Jellyfin.Data.Enums;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Lyrics;
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using MediaBrowser.Controller.MediaEncoding;
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using MediaBrowser.Controller.Persistence;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.Dlna;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.MediaInfo;
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using Microsoft.Extensions.Logging;
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using TagLib;
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namespace MediaBrowser.Providers.MediaInfo
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{
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/// <summary>
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/// Probes audio files for metadata.
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/// </summary>
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public partial class AudioFileProber
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{
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// Default LUFS value for use with the web interface, at -18db gain will be 1(no db gain).
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private const float DefaultLUFSValue = -18;
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private readonly ILogger<AudioFileProber> _logger;
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private readonly IMediaEncoder _mediaEncoder;
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private readonly IItemRepository _itemRepo;
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private readonly ILibraryManager _libraryManager;
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private readonly IMediaSourceManager _mediaSourceManager;
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private readonly LyricResolver _lyricResolver;
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private readonly ILyricManager _lyricManager;
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/// <summary>
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/// Initializes a new instance of the <see cref="AudioFileProber"/> class.
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/// </summary>
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/// <param name="logger">Instance of the <see cref="ILogger"/> interface.</param>
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/// <param name="mediaSourceManager">Instance of the <see cref="IMediaSourceManager"/> interface.</param>
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/// <param name="mediaEncoder">Instance of the <see cref="IMediaEncoder"/> interface.</param>
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/// <param name="itemRepo">Instance of the <see cref="IItemRepository"/> interface.</param>
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/// <param name="libraryManager">Instance of the <see cref="ILibraryManager"/> interface.</param>
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/// <param name="lyricResolver">Instance of the <see cref="LyricResolver"/> interface.</param>
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/// <param name="lyricManager">Instance of the <see cref="ILyricManager"/> interface.</param>
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public AudioFileProber(
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ILogger<AudioFileProber> logger,
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IMediaSourceManager mediaSourceManager,
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IMediaEncoder mediaEncoder,
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IItemRepository itemRepo,
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ILibraryManager libraryManager,
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LyricResolver lyricResolver,
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ILyricManager lyricManager)
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{
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_logger = logger;
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_mediaEncoder = mediaEncoder;
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_itemRepo = itemRepo;
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_libraryManager = libraryManager;
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_mediaSourceManager = mediaSourceManager;
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_lyricResolver = lyricResolver;
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_lyricManager = lyricManager;
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}
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[GeneratedRegex(@"I:\s+(.*?)\s+LUFS")]
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private static partial Regex LUFSRegex();
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[GeneratedRegex(@"REPLAYGAIN_TRACK_GAIN:\s+-?([0-9.]+)\s+dB")]
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private static partial Regex ReplayGainTagRegex();
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/// <summary>
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/// Probes the specified item for metadata.
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/// </summary>
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/// <param name="item">The item to probe.</param>
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/// <param name="options">The <see cref="MetadataRefreshOptions"/>.</param>
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/// <param name="cancellationToken">The <see cref="CancellationToken"/>.</param>
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/// <typeparam name="T">The type of item to resolve.</typeparam>
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/// <returns>A <see cref="Task"/> probing the item for metadata.</returns>
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public async Task<ItemUpdateType> Probe<T>(
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T item,
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MetadataRefreshOptions options,
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CancellationToken cancellationToken)
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where T : Audio
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{
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var path = item.Path;
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var protocol = item.PathProtocol ?? MediaProtocol.File;
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if (!item.IsShortcut || options.EnableRemoteContentProbe)
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{
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if (item.IsShortcut)
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{
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path = item.ShortcutPath;
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protocol = _mediaSourceManager.GetPathProtocol(path);
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}
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var result = await _mediaEncoder.GetMediaInfo(
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new MediaInfoRequest
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{
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MediaType = DlnaProfileType.Audio,
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MediaSource = new MediaSourceInfo
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{
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Path = path,
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Protocol = protocol
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}
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},
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cancellationToken).ConfigureAwait(false);
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cancellationToken.ThrowIfCancellationRequested();
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await FetchAsync(item, result, options, cancellationToken).ConfigureAwait(false);
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}
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var libraryOptions = _libraryManager.GetLibraryOptions(item);
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bool foundLUFSValue = false;
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if (libraryOptions.UseReplayGainTags)
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{
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using (var process = new Process()
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{
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StartInfo = new ProcessStartInfo
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{
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FileName = _mediaEncoder.ProbePath,
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Arguments = $"-hide_banner -i \"{path}\"",
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RedirectStandardOutput = false,
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RedirectStandardError = true
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},
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})
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{
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try
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{
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process.Start();
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error starting ffmpeg");
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throw;
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}
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using var reader = process.StandardError;
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var output = await reader.ReadToEndAsync(cancellationToken).ConfigureAwait(false);
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cancellationToken.ThrowIfCancellationRequested();
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Match split = ReplayGainTagRegex().Match(output);
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if (split.Success)
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{
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item.LUFS = DefaultLUFSValue - float.Parse(split.Groups[1].ValueSpan, CultureInfo.InvariantCulture.NumberFormat);
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foundLUFSValue = true;
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}
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else
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{
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item.LUFS = DefaultLUFSValue;
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}
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}
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}
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if (libraryOptions.EnableLUFSScan && !foundLUFSValue)
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{
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using (var process = new Process()
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{
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StartInfo = new ProcessStartInfo
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{
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FileName = _mediaEncoder.EncoderPath,
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Arguments = $"-hide_banner -i \"{path}\" -af ebur128=framelog=verbose -f null -",
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RedirectStandardOutput = false,
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RedirectStandardError = true
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},
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})
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{
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try
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{
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process.Start();
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error starting ffmpeg");
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throw;
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}
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using var reader = process.StandardError;
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var output = await reader.ReadToEndAsync(cancellationToken).ConfigureAwait(false);
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cancellationToken.ThrowIfCancellationRequested();
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MatchCollection split = LUFSRegex().Matches(output);
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if (split.Count != 0)
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{
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item.LUFS = float.Parse(split[0].Groups[1].ValueSpan, CultureInfo.InvariantCulture.NumberFormat);
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}
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else
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{
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item.LUFS = DefaultLUFSValue;
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}
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}
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}
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if (!libraryOptions.EnableLUFSScan && !libraryOptions.UseReplayGainTags)
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{
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item.LUFS = DefaultLUFSValue;
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}
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_logger.LogDebug("LUFS for {ItemName} is {LUFS}.", item.Name, item.LUFS);
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return ItemUpdateType.MetadataImport;
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}
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/// <summary>
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/// Fetches the specified audio.
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/// </summary>
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/// <param name="audio">The <see cref="Audio"/>.</param>
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/// <param name="mediaInfo">The <see cref="Model.MediaInfo.MediaInfo"/>.</param>
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/// <param name="options">The <see cref="MetadataRefreshOptions"/>.</param>
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/// <param name="cancellationToken">The <see cref="CancellationToken"/>.</param>
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/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
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private async Task FetchAsync(
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Audio audio,
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Model.MediaInfo.MediaInfo mediaInfo,
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MetadataRefreshOptions options,
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CancellationToken cancellationToken)
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{
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audio.Container = mediaInfo.Container;
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audio.TotalBitrate = mediaInfo.Bitrate;
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audio.RunTimeTicks = mediaInfo.RunTimeTicks;
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audio.Size = mediaInfo.Size;
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audio.PremiereDate = mediaInfo.PremiereDate;
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if (!audio.IsLocked)
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{
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await FetchDataFromTags(audio, mediaInfo, options).ConfigureAwait(false);
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}
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var mediaStreams = new List<MediaStream>(mediaInfo.MediaStreams);
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AddExternalLyrics(audio, mediaStreams, options);
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audio.HasLyrics = mediaStreams.Any(s => s.Type == MediaStreamType.Lyric);
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_itemRepo.SaveMediaStreams(audio.Id, mediaStreams, cancellationToken);
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}
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/// <summary>
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/// Fetches data from the tags.
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/// </summary>
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/// <param name="audio">The <see cref="Audio"/>.</param>
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/// <param name="mediaInfo">The <see cref="Model.MediaInfo.MediaInfo"/>.</param>
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/// <param name="options">The <see cref="MetadataRefreshOptions"/>.</param>
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private async Task FetchDataFromTags(Audio audio, Model.MediaInfo.MediaInfo mediaInfo, MetadataRefreshOptions options)
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{
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using var file = TagLib.File.Create(audio.Path);
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var tagTypes = file.TagTypesOnDisk;
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Tag? tags = null;
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if (tagTypes.HasFlag(TagTypes.Id3v2))
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{
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tags = file.GetTag(TagTypes.Id3v2);
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}
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else if (tagTypes.HasFlag(TagTypes.Ape))
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{
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tags = file.GetTag(TagTypes.Ape);
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}
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else if (tagTypes.HasFlag(TagTypes.FlacMetadata))
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{
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tags = file.GetTag(TagTypes.FlacMetadata);
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}
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else if (tagTypes.HasFlag(TagTypes.Apple))
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{
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tags = file.GetTag(TagTypes.Apple);
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}
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else if (tagTypes.HasFlag(TagTypes.Xiph))
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{
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tags = file.GetTag(TagTypes.Xiph);
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}
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else if (tagTypes.HasFlag(TagTypes.AudibleMetadata))
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{
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tags = file.GetTag(TagTypes.AudibleMetadata);
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}
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else if (tagTypes.HasFlag(TagTypes.Id3v1))
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{
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tags = file.GetTag(TagTypes.Id3v1);
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}
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if (tags is not null)
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{
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if (audio.SupportsPeople && !audio.LockedFields.Contains(MetadataField.Cast))
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{
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var people = new List<PersonInfo>();
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var albumArtists = tags.AlbumArtists;
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foreach (var albumArtist in albumArtists)
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{
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if (!string.IsNullOrEmpty(albumArtist))
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{
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PeopleHelper.AddPerson(people, new PersonInfo
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{
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Name = albumArtist,
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Type = PersonKind.AlbumArtist
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});
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}
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}
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var performers = tags.Performers;
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foreach (var performer in performers)
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{
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if (!string.IsNullOrEmpty(performer))
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{
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PeopleHelper.AddPerson(people, new PersonInfo
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{
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Name = performer,
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Type = PersonKind.Artist
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});
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}
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}
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foreach (var composer in tags.Composers)
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{
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if (!string.IsNullOrEmpty(composer))
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{
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PeopleHelper.AddPerson(people, new PersonInfo
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{
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Name = composer,
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Type = PersonKind.Composer
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});
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}
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}
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_libraryManager.UpdatePeople(audio, people);
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if (options.ReplaceAllMetadata && performers.Length != 0)
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{
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audio.Artists = performers;
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}
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else if (!options.ReplaceAllMetadata
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&& (audio.Artists is null || audio.Artists.Count == 0))
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{
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audio.Artists = performers;
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}
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if (albumArtists.Length == 0)
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{
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// Album artists not provided, fall back to performers (artists).
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albumArtists = performers;
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}
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if (options.ReplaceAllMetadata && albumArtists.Length != 0)
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{
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audio.AlbumArtists = albumArtists;
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}
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else if (!options.ReplaceAllMetadata
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&& (audio.AlbumArtists is null || audio.AlbumArtists.Count == 0))
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{
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audio.AlbumArtists = albumArtists;
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}
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}
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if (!audio.LockedFields.Contains(MetadataField.Name) && !string.IsNullOrEmpty(tags.Title))
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{
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audio.Name = tags.Title;
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}
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if (options.ReplaceAllMetadata)
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{
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audio.Album = tags.Album;
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audio.IndexNumber = Convert.ToInt32(tags.Track);
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audio.ParentIndexNumber = Convert.ToInt32(tags.Disc);
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}
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else
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{
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audio.Album ??= tags.Album;
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audio.IndexNumber ??= Convert.ToInt32(tags.Track);
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audio.ParentIndexNumber ??= Convert.ToInt32(tags.Disc);
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}
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if (tags.Year != 0)
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{
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var year = Convert.ToInt32(tags.Year);
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audio.ProductionYear = year;
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if (!audio.PremiereDate.HasValue)
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{
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audio.PremiereDate = new DateTime(year, 01, 01);
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}
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}
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if (!audio.LockedFields.Contains(MetadataField.Genres))
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{
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audio.Genres = options.ReplaceAllMetadata || audio.Genres == null || audio.Genres.Length == 0
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? tags.Genres.Distinct(StringComparer.OrdinalIgnoreCase).ToArray()
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: audio.Genres;
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}
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if (options.ReplaceAllMetadata || !audio.TryGetProviderId(MetadataProvider.MusicBrainzArtist, out _))
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{
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audio.SetProviderId(MetadataProvider.MusicBrainzArtist, tags.MusicBrainzArtistId);
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}
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if (options.ReplaceAllMetadata || !audio.TryGetProviderId(MetadataProvider.MusicBrainzAlbumArtist, out _))
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{
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audio.SetProviderId(MetadataProvider.MusicBrainzAlbumArtist, tags.MusicBrainzReleaseArtistId);
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}
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if (options.ReplaceAllMetadata || !audio.TryGetProviderId(MetadataProvider.MusicBrainzAlbum, out _))
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{
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audio.SetProviderId(MetadataProvider.MusicBrainzAlbum, tags.MusicBrainzReleaseId);
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}
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if (options.ReplaceAllMetadata || !audio.TryGetProviderId(MetadataProvider.MusicBrainzReleaseGroup, out _))
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{
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audio.SetProviderId(MetadataProvider.MusicBrainzReleaseGroup, tags.MusicBrainzReleaseGroupId);
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}
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if (options.ReplaceAllMetadata || !audio.TryGetProviderId(MetadataProvider.MusicBrainzTrack, out _))
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{
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// Fallback to ffprobe as TagLib incorrectly provides recording MBID in `tags.MusicBrainzTrackId`.
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// See https://github.com/mono/taglib-sharp/issues/304
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var trackMbId = mediaInfo.GetProviderId(MetadataProvider.MusicBrainzTrack);
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if (trackMbId is not null)
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{
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audio.SetProviderId(MetadataProvider.MusicBrainzTrack, trackMbId);
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}
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}
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// Save extracted lyrics if they exist,
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// and if we are replacing all metadata or the audio doesn't yet have lyrics.
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if (!string.IsNullOrWhiteSpace(tags.Lyrics)
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&& (options.ReplaceAllMetadata || audio.GetMediaStreams().All(s => s.Type != MediaStreamType.Lyric)))
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{
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await _lyricManager.SaveLyricAsync(audio, "lrc", tags.Lyrics).ConfigureAwait(false);
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}
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}
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}
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private void AddExternalLyrics(
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Audio audio,
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List<MediaStream> currentStreams,
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MetadataRefreshOptions options)
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{
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var startIndex = currentStreams.Count == 0 ? 0 : (currentStreams.Select(i => i.Index).Max() + 1);
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var externalLyricFiles = _lyricResolver.GetExternalStreams(audio, startIndex, options.DirectoryService, false);
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audio.LyricFiles = externalLyricFiles.Select(i => i.Path).Distinct().ToArray();
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currentStreams.AddRange(externalLyricFiles);
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}
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}
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}
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