jellyfin/MediaBrowser.Providers/MediaInfo/FFProbeAudioInfo.cs

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C#
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using MediaBrowser.Common.Configuration;
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using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.MediaEncoding;
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using MediaBrowser.Controller.Persistence;
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using MediaBrowser.Model.Dlna;
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using MediaBrowser.Model.Entities;
using MediaBrowser.Model.MediaInfo;
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using MediaBrowser.Model.Serialization;
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using System.Collections.Generic;
using System.Globalization;
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using System.IO;
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using System.Threading;
using System.Threading.Tasks;
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namespace MediaBrowser.Providers.MediaInfo
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{
class FFProbeAudioInfo
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{
private readonly IMediaEncoder _mediaEncoder;
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private readonly IItemRepository _itemRepo;
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private readonly IApplicationPaths _appPaths;
private readonly IJsonSerializer _json;
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private readonly ILibraryManager _libraryManager;
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private readonly CultureInfo _usCulture = new CultureInfo("en-US");
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public FFProbeAudioInfo(IMediaEncoder mediaEncoder, IItemRepository itemRepo, IApplicationPaths appPaths, IJsonSerializer json, ILibraryManager libraryManager)
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{
_mediaEncoder = mediaEncoder;
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_itemRepo = itemRepo;
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_appPaths = appPaths;
_json = json;
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_libraryManager = libraryManager;
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}
public async Task<ItemUpdateType> Probe<T>(T item, CancellationToken cancellationToken)
where T : Audio
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{
var result = await GetMediaInfo(item, cancellationToken).ConfigureAwait(false);
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cancellationToken.ThrowIfCancellationRequested();
await Fetch(item, cancellationToken, result).ConfigureAwait(false);
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return ItemUpdateType.MetadataImport;
}
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private const string SchemaVersion = "3";
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private async Task<Model.MediaInfo.MediaInfo> GetMediaInfo(BaseItem item, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
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//var idString = item.Id.ToString("N");
//var cachePath = Path.Combine(_appPaths.CachePath,
// "ffprobe-audio",
// idString.Substring(0, 2), idString, "v" + SchemaVersion + _mediaEncoder.Version + item.DateModified.Ticks.ToString(_usCulture) + ".json");
//try
//{
// return _json.DeserializeFromFile<Model.MediaInfo.MediaInfo>(cachePath);
//}
//catch (FileNotFoundException)
//{
//}
//catch (DirectoryNotFoundException)
//{
//}
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var result = await _mediaEncoder.GetMediaInfo(new MediaInfoRequest
{
InputPath = item.Path,
MediaType = DlnaProfileType.Audio,
Protocol = MediaProtocol.File
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}, cancellationToken).ConfigureAwait(false);
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//Directory.CreateDirectory(Path.GetDirectoryName(cachePath));
//_json.SerializeToFile(result, cachePath);
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return result;
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}
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/// <summary>
/// Fetches the specified audio.
/// </summary>
/// <param name="audio">The audio.</param>
/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="mediaInfo">The media information.</param>
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/// <returns>Task.</returns>
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protected async Task Fetch(Audio audio, CancellationToken cancellationToken, Model.MediaInfo.MediaInfo mediaInfo)
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{
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var mediaStreams = mediaInfo.MediaStreams;
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//audio.FormatName = mediaInfo.Container;
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audio.TotalBitrate = mediaInfo.Bitrate;
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audio.RunTimeTicks = mediaInfo.RunTimeTicks;
audio.Size = mediaInfo.Size;
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var extension = (Path.GetExtension(audio.Path) ?? string.Empty).TrimStart('.');
audio.Container = extension;
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await FetchDataFromTags(audio, mediaInfo).ConfigureAwait(false);
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await _itemRepo.SaveMediaStreams(audio.Id, mediaStreams, cancellationToken).ConfigureAwait(false);
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}
/// <summary>
/// Fetches data from the tags dictionary
/// </summary>
/// <param name="audio">The audio.</param>
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/// <param name="data">The data.</param>
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private async Task FetchDataFromTags(Audio audio, Model.MediaInfo.MediaInfo data)
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{
// Only set Name if title was found in the dictionary
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if (!string.IsNullOrEmpty(data.Name))
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{
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audio.Name = data.Name;
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}
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if (!audio.LockedFields.Contains(MetadataFields.Cast))
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{
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var people = new List<PersonInfo>();
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foreach (var person in data.People)
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{
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PeopleHelper.AddPerson(people, new PersonInfo
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{
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Name = person.Name,
Type = person.Type,
Role = person.Role
});
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}
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await _libraryManager.UpdatePeople(audio, people).ConfigureAwait(false);
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}
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audio.Album = data.Album;
audio.Artists = data.Artists;
audio.AlbumArtists = data.AlbumArtists;
audio.IndexNumber = data.IndexNumber;
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audio.ParentIndexNumber = data.ParentIndexNumber;
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audio.ProductionYear = data.ProductionYear;
audio.PremiereDate = data.PremiereDate;
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// If we don't have a ProductionYear try and get it from PremiereDate
if (audio.PremiereDate.HasValue && !audio.ProductionYear.HasValue)
{
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audio.ProductionYear = audio.PremiereDate.Value.ToLocalTime().Year;
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}
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if (!audio.LockedFields.Contains(MetadataFields.Genres))
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{
audio.Genres.Clear();
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foreach (var genre in data.Genres)
{
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audio.AddGenre(genre);
}
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}
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if (!audio.LockedFields.Contains(MetadataFields.Studios))
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{
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audio.Studios.Clear();
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foreach (var studio in data.Studios)
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{
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audio.AddStudio(studio);
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}
}
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audio.SetProviderId(MetadataProviders.MusicBrainzAlbumArtist, data.GetProviderId(MetadataProviders.MusicBrainzAlbumArtist));
audio.SetProviderId(MetadataProviders.MusicBrainzArtist, data.GetProviderId(MetadataProviders.MusicBrainzArtist));
audio.SetProviderId(MetadataProviders.MusicBrainzAlbum, data.GetProviderId(MetadataProviders.MusicBrainzAlbum));
audio.SetProviderId(MetadataProviders.MusicBrainzReleaseGroup, data.GetProviderId(MetadataProviders.MusicBrainzReleaseGroup));
audio.SetProviderId(MetadataProviders.MusicBrainzTrack, data.GetProviderId(MetadataProviders.MusicBrainzTrack));
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}
}
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}