public override async Task CollectFanArtAsync(Guid mediaItemId, IDictionary <Guid, IList <MediaItemAspect> > aspects)
{
IResourceLocator mediaItemLocator = null;
if (!BaseInfo.IsVirtualResource(aspects))
{
mediaItemLocator = GetResourceLocator(aspects);
}
if (!aspects.ContainsKey(AudioAspect.ASPECT_ID) || mediaItemLocator == null)
{
return;
}
IFanArtCache fanArtCache = ServiceRegistration.Get <IFanArtCache>();
using (IResourceAccessor mediaItemAccessor = mediaItemLocator.CreateAccessor())
{
//Album fanart
if (RelationshipExtractorUtils.TryGetLinkedId(AudioAlbumAspect.ROLE_ALBUM, aspects, out Guid albumMediaItemId) && AddToCache(albumMediaItemId))
{
var existingCovers = fanArtCache.GetFanArtFiles(albumMediaItemId, FanArtTypes.Cover);
if (!existingCovers.Any()) //Only get album cover if needed for better performance
{
NfoAlbumReader albumNfoReader = await AUDIO_EXTRACTOR.TryGetNfoAlbumReaderAsync(mediaItemAccessor, true).ConfigureAwait(false);
if (albumNfoReader != null)
{
var stubs = albumNfoReader.GetAlbumStubs();
var mainStub = stubs?.FirstOrDefault();
if (mainStub?.Thumb != null)
{
await fanArtCache.TrySaveFanArt(albumMediaItemId, mainStub.Title, FanArtTypes.Cover, p => TrySaveFileImage(mainStub.Thumb, p, "Thumb", "Nfo.")).ConfigureAwait(false);
}
}
}
}
//Artist fanart
IList <Tuple <Guid, string> > artists = GetArtists(aspects);
if (artists?.Count > 0)
{
foreach (var artist in artists)
{
var existingThumbs = fanArtCache.GetFanArtFiles(artist.Item1, FanArtTypes.Thumbnail);
if (!existingThumbs.Any() && AddToCache(artist.Item1)) //Only get artist thumbnail if needed for better performance
{
NfoArtistReader artistReader = await AUDIO_EXTRACTOR.TryGetNfoArtistReaderAsync(mediaItemAccessor, artist.Item2, true).ConfigureAwait(false);
if (artistReader != null)
{
var stubs = artistReader.GetArtistStubs();
var mainStub = stubs?.FirstOrDefault();
if (string.Equals(mainStub?.Name, artist.Item2, StringComparison.InvariantCultureIgnoreCase))
{
if (mainStub?.Thumb != null)
{
await fanArtCache.TrySaveFanArt(artist.Item1, artist.Item2, FanArtTypes.Thumbnail, p => TrySaveFileImage(mainStub.Thumb, p, "Thumb", "Nfo.")).ConfigureAwait(false);
}
}
}
}
}
}
}
}
/// <summary>
/// Asynchronously tries to extract metadata for the given <param name="mediaItemAccessor"></param>
/// </summary>
/// <param name="mediaItemAccessor">Points to the resource for which we try to extract metadata</param>
/// <param name="extractedAspectData">Dictionary of <see cref="MediaItemAspect"/>s with the extracted metadata</param>
/// <param name="forceQuickMode">If <c>true</c>, nothing is downloaded from the internet</param>
/// <returns><c>true</c> if metadata was found and stored into <param name="extractedAspectData"></param>, else <c>false</c></returns>
private async Task <bool> TryExtractAudioMetadataAsync(IResourceAccessor mediaItemAccessor, IDictionary <Guid, IList <MediaItemAspect> > extractedAspectData, bool forceQuickMode)
{
// Get a unique number for this call to TryExtractMetadataAsync. We use this to make reading the debug log easier.
// This MetadataExtractor is called in parallel for multiple MediaItems so that the respective debug log entries
// for one call are not contained one after another in debug log. We therefore prepend this number before every log entry.
var miNumber = Interlocked.Increment(ref _lastMediaItemNumber);
bool isStub = extractedAspectData.ContainsKey(StubAspect.ASPECT_ID);
if (!isStub)
{
_debugLogger.Info("[#{0}]: Ignoring non-stub track", miNumber);
return(false);
}
try
{
_debugLogger.Info("[#{0}]: Start extracting metadata for resource '{1}' (forceQuickMode: {2})", miNumber, mediaItemAccessor, forceQuickMode);
// We only extract metadata with this MetadataExtractor, if another MetadataExtractor that was applied before
// has identified this MediaItem as a video and therefore added a VideoAspect.
if (!extractedAspectData.ContainsKey(AudioAspect.ASPECT_ID))
{
_debugLogger.Info("[#{0}]: Cannot extract metadata; this resource is not audio", miNumber);
return(false);
}
// This MetadataExtractor only works for MediaItems accessible by an IFileSystemResourceAccessor.
// Otherwise it is not possible to find a nfo-file in the MediaItem's directory.
if (!(mediaItemAccessor is IFileSystemResourceAccessor))
{
_debugLogger.Info("[#{0}]: Cannot extract metadata; mediaItemAccessor is not an IFileSystemResourceAccessor", miNumber);
return(false);
}
// First we try to find an IFileSystemResourceAccessor pointing to the album nfo-file.
IFileSystemResourceAccessor albumNfoFsra;
if (TryGetAlbumNfoSResourceAccessor(miNumber, mediaItemAccessor as IFileSystemResourceAccessor, out albumNfoFsra))
{
// If we found one, we (asynchronously) extract the metadata into a stub object and, if metadata was found,
// we store it into the MediaItemAspects.
var albumNfoReader = new NfoAlbumReader(_debugLogger, miNumber, forceQuickMode, isStub, _httpClient, _settings);
using (albumNfoFsra)
{
if (await albumNfoReader.TryReadMetadataAsync(albumNfoFsra).ConfigureAwait(false))
{
//Check reimport
if (extractedAspectData.ContainsKey(ReimportAspect.ASPECT_ID))
{
AlbumInfo reimport = new AlbumInfo();
reimport.FromMetadata(extractedAspectData);
if (!VerifyAlbumReimport(albumNfoReader, reimport))
{
ServiceRegistration.Get <ILogger>().Info("NfoMovieMetadataExtractor: Nfo album metadata from resource '{0}' ignored because it does not match reimport {1}", mediaItemAccessor, reimport);
return(false);
}
}
Stubs.AlbumStub album = albumNfoReader.GetAlbumStubs().FirstOrDefault();
if (album != null)
{
int trackNo = 0;
if (album.Tracks != null && album.Tracks.Count > 0 && MediaItemAspect.TryGetAttribute(extractedAspectData, AudioAspect.ATTR_TRACK, out trackNo))
{
var track = album.Tracks.FirstOrDefault(t => t.TrackNumber.HasValue && trackNo == t.TrackNumber.Value);
if (track != null)
{
TrackInfo trackInfo = new TrackInfo();
string title;
string sortTitle;
title = track.Title.Trim();
sortTitle = BaseInfo.GetSortTitle(title);
IEnumerable <string> artists;
if (track.Artists.Count > 0)
{
artists = track.Artists;
}
IList <MultipleMediaItemAspect> providerResourceAspects;
if (MediaItemAspect.TryGetAspects(extractedAspectData, ProviderResourceAspect.Metadata, out providerResourceAspects))
{
MultipleMediaItemAspect providerResourceAspect = providerResourceAspects.First(pa => pa.GetAttributeValue <int>(ProviderResourceAspect.ATTR_TYPE) == ProviderResourceAspect.TYPE_STUB);
string mime = null;
if (track.FileInfo != null && track.FileInfo.Count > 0)
{
mime = MimeTypeDetector.GetMimeTypeFromExtension("file" + track.FileInfo.First().Container);
}
if (mime != null)
{
providerResourceAspect.SetAttribute(ProviderResourceAspect.ATTR_MIME_TYPE, mime);
}
}
trackInfo.TrackName = title;
trackInfo.TrackNameSort = sortTitle;
trackInfo.Duration = track.Duration.HasValue ? Convert.ToInt64(track.Duration.Value.TotalSeconds) : 0;
trackInfo.Album = !string.IsNullOrEmpty(album.Title) ? album.Title.Trim() : null;
trackInfo.TrackNum = track.TrackNumber.HasValue ? track.TrackNumber.Value : 0;
trackInfo.TotalTracks = album.Tracks.Count;
trackInfo.MusicBrainzId = track.MusicBrainzId;
trackInfo.IsrcId = track.Isrc;
trackInfo.AudioDbId = track.AudioDbId.HasValue ? track.AudioDbId.Value : 0;
trackInfo.AlbumMusicBrainzId = album.MusicBrainzAlbumId;
trackInfo.AlbumMusicBrainzGroupId = album.MusicBrainzReleaseGroupId;
trackInfo.ReleaseDate = album.ReleaseDate;
if (track.FileInfo != null && track.FileInfo.Count > 0 && track.FileInfo.First().AudioStreams != null && track.FileInfo.First().AudioStreams.Count > 0)
{
var audio = track.FileInfo.First().AudioStreams.First();
trackInfo.Encoding = audio.Codec;
trackInfo.BitRate = audio.Bitrate != null?Convert.ToInt32(audio.Bitrate / 1000) : 0;
trackInfo.Channels = audio.Channels != null ? audio.Channels.Value : 0;
}
trackInfo.Artists = new List <PersonInfo>();
if (track.Artists != null && track.Artists.Count > 0)
{
foreach (string artistName in track.Artists)
{
trackInfo.Artists.Add(new PersonInfo()
{
Name = artistName.Trim(),
Occupation = PersonAspect.OCCUPATION_ARTIST,
ParentMediaName = trackInfo.Album,
MediaName = trackInfo.TrackName
});
}
}
trackInfo.AlbumArtists = new List <PersonInfo>();
if (album.Artists != null && album.Artists.Count > 0)
{
foreach (string artistName in album.Artists)
{
trackInfo.AlbumArtists.Add(new PersonInfo()
{
Name = artistName.Trim(),
Occupation = PersonAspect.OCCUPATION_ARTIST,
ParentMediaName = trackInfo.Album,
MediaName = trackInfo.TrackName
});
}
}
if (album.Genres != null && album.Genres.Count > 0)
{
trackInfo.Genres = album.Genres.Where(s => !string.IsNullOrEmpty(s?.Trim())).Select(s => new GenreInfo {
Name = s.Trim()
}).ToList();
IGenreConverter converter = ServiceRegistration.Get <IGenreConverter>();
foreach (var genre in trackInfo.Genres)
{
if (!genre.Id.HasValue && converter.GetGenreId(genre.Name, GenreCategory.Music, null, out int genreId))
{
genre.Id = genreId;
}
}
}
if (album.Thumb != null && album.Thumb.Length > 0)
{
try
{
using (MemoryStream stream = new MemoryStream(album.Thumb))
{
trackInfo.Thumbnail = stream.ToArray();
trackInfo.HasChanged = true;
}
}
// Decoding of invalid image data can fail, but main MediaItem is correct.
catch { }
}
//Determine compilation
if (trackInfo.AlbumArtists.Count > 0 &&
(trackInfo.AlbumArtists[0].Name.IndexOf("Various", StringComparison.InvariantCultureIgnoreCase) >= 0 ||
trackInfo.AlbumArtists[0].Name.Equals("VA", StringComparison.InvariantCultureIgnoreCase)))
{
trackInfo.Compilation = true;
}
else
{
//Look for itunes compilation folder
var mediaItemPath = mediaItemAccessor.CanonicalLocalResourcePath;
var artistMediaItemDirectoryPath = ResourcePathHelper.Combine(mediaItemPath, "../../");
if (artistMediaItemDirectoryPath.FileName.IndexOf("Compilation", StringComparison.InvariantCultureIgnoreCase) >= 0)
{
trackInfo.Compilation = true;
}
}
trackInfo.SetMetadata(extractedAspectData);
}
}
}
}
else
{
_debugLogger.Warn("[#{0}]: No valid metadata found in album nfo-file", miNumber);
}
}
}
_debugLogger.Info("[#{0}]: Successfully finished extracting metadata", miNumber);
ServiceRegistration.Get <ILogger>().Debug("NfoAudioMetadataExtractor: Assigned nfo audio metadata for resource '{0}'", mediaItemAccessor);
return(true);
}
catch (Exception e)
{
ServiceRegistration.Get <ILogger>().Warn("NfoAudioMetadataExtractor: Exception while extracting metadata for resource '{0}'; enable debug logging for more details.", mediaItemAccessor);
_debugLogger.Error("[#{0}]: Exception while extracting metadata", e, miNumber);
return(false);
}
}