#pragma warning disable CS1591 using System; using System.Globalization; using System.IO; using System.Linq; using System.Text; using System.Xml; using Emby.Dlna.ContentDirectory; using Jellyfin.Data.Entities; using MediaBrowser.Controller.Channels; using MediaBrowser.Controller.Drawing; using MediaBrowser.Controller.Entities; using MediaBrowser.Controller.Entities.Audio; using MediaBrowser.Controller.Entities.Movies; using MediaBrowser.Controller.Library; using MediaBrowser.Controller.MediaEncoding; using MediaBrowser.Controller.Playlists; using MediaBrowser.Model.Dlna; using MediaBrowser.Model.Drawing; using MediaBrowser.Model.Entities; using MediaBrowser.Model.Globalization; using MediaBrowser.Model.Net; using Microsoft.Extensions.Logging; using Episode = MediaBrowser.Controller.Entities.TV.Episode; using Genre = MediaBrowser.Controller.Entities.Genre; using Movie = MediaBrowser.Controller.Entities.Movies.Movie; using MusicAlbum = MediaBrowser.Controller.Entities.Audio.MusicAlbum; using Season = MediaBrowser.Controller.Entities.TV.Season; using Series = MediaBrowser.Controller.Entities.TV.Series; using XmlAttribute = MediaBrowser.Model.Dlna.XmlAttribute; namespace Emby.Dlna.Didl { public class DidlBuilder { private const string NsDidl = "urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/"; private const string NsDc = "http://purl.org/dc/elements/1.1/"; private const string NsUpnp = "urn:schemas-upnp-org:metadata-1-0/upnp/"; private const string NsDlna = "urn:schemas-dlna-org:metadata-1-0/"; private readonly CultureInfo _usCulture = new CultureInfo("en-US"); private readonly DeviceProfile _profile; private readonly IImageProcessor _imageProcessor; private readonly string _serverAddress; private readonly string _accessToken; private readonly User _user; private readonly IUserDataManager _userDataManager; private readonly ILocalizationManager _localization; private readonly IMediaSourceManager _mediaSourceManager; private readonly ILogger _logger; private readonly IMediaEncoder _mediaEncoder; private readonly ILibraryManager _libraryManager; public DidlBuilder( DeviceProfile profile, User user, IImageProcessor imageProcessor, string serverAddress, string accessToken, IUserDataManager userDataManager, ILocalizationManager localization, IMediaSourceManager mediaSourceManager, ILogger logger, IMediaEncoder mediaEncoder, ILibraryManager libraryManager) { _profile = profile; _user = user; _imageProcessor = imageProcessor; _serverAddress = serverAddress; _accessToken = accessToken; _userDataManager = userDataManager; _localization = localization; _mediaSourceManager = mediaSourceManager; _logger = logger; _mediaEncoder = mediaEncoder; _libraryManager = libraryManager; } public static string NormalizeDlnaMediaUrl(string url) { return url + "&dlnaheaders=true"; } public string GetItemDidl(BaseItem item, User user, BaseItem context, string deviceId, Filter filter, StreamInfo streamInfo) { var settings = new XmlWriterSettings { Encoding = Encoding.UTF8, CloseOutput = false, OmitXmlDeclaration = true, ConformanceLevel = ConformanceLevel.Fragment }; using (StringWriter builder = new StringWriterWithEncoding(Encoding.UTF8)) { using (var writer = XmlWriter.Create(builder, settings)) { // writer.WriteStartDocument(); writer.WriteStartElement(string.Empty, "DIDL-Lite", NsDidl); writer.WriteAttributeString("xmlns", "dc", null, NsDc); writer.WriteAttributeString("xmlns", "dlna", null, NsDlna); writer.WriteAttributeString("xmlns", "upnp", null, NsUpnp); // didl.SetAttribute("xmlns:sec", NS_SEC); WriteXmlRootAttributes(_profile, writer); WriteItemElement(writer, item, user, context, null, deviceId, filter, streamInfo); writer.WriteFullEndElement(); // writer.WriteEndDocument(); } return builder.ToString(); } } public static void WriteXmlRootAttributes(DeviceProfile profile, XmlWriter writer) { foreach (var att in profile.XmlRootAttributes) { var parts = att.Name.Split(':', StringSplitOptions.RemoveEmptyEntries); if (parts.Length == 2) { writer.WriteAttributeString(parts[0], parts[1], null, att.Value); } else { writer.WriteAttributeString(att.Name, att.Value); } } } public void WriteItemElement( XmlWriter writer, BaseItem item, User user, BaseItem context, StubType? contextStubType, string deviceId, Filter filter, StreamInfo streamInfo = null) { var clientId = GetClientId(item, null); writer.WriteStartElement(string.Empty, "item", NsDidl); writer.WriteAttributeString("restricted", "1"); writer.WriteAttributeString("id", clientId); if (context != null) { writer.WriteAttributeString("parentID", GetClientId(context, contextStubType)); } else { var parent = item.DisplayParentId; if (!parent.Equals(Guid.Empty)) { writer.WriteAttributeString("parentID", GetClientId(parent, null)); } } AddGeneralProperties(item, null, context, writer, filter); AddSamsungBookmarkInfo(item, user, writer, streamInfo); // refID? // storeAttribute(itemNode, object, ClassProperties.REF_ID, false); if (item is IHasMediaSources) { if (string.Equals(item.MediaType, MediaType.Audio, StringComparison.OrdinalIgnoreCase)) { AddAudioResource(writer, item, deviceId, filter, streamInfo); } else if (string.Equals(item.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase)) { AddVideoResource(writer, item, deviceId, filter, streamInfo); } } AddCover(item, null, writer); writer.WriteFullEndElement(); } private void AddVideoResource(XmlWriter writer, BaseItem video, string deviceId, Filter filter, StreamInfo streamInfo = null) { if (streamInfo == null) { var sources = _mediaSourceManager.GetStaticMediaSources(video, true, _user); streamInfo = new StreamBuilder(_mediaEncoder, _logger).BuildVideoItem(new VideoOptions { ItemId = video.Id, MediaSources = sources.ToArray(), Profile = _profile, DeviceId = deviceId, MaxBitrate = _profile.MaxStreamingBitrate }); } var targetWidth = streamInfo.TargetWidth; var targetHeight = streamInfo.TargetHeight; var contentFeatureList = new ContentFeatureBuilder(_profile).BuildVideoHeader( streamInfo.Container, streamInfo.TargetVideoCodec.FirstOrDefault(), streamInfo.TargetAudioCodec.FirstOrDefault(), targetWidth, targetHeight, streamInfo.TargetVideoBitDepth, streamInfo.TargetVideoBitrate, streamInfo.TargetTimestamp, streamInfo.IsDirectStream, streamInfo.RunTimeTicks ?? 0, streamInfo.TargetVideoProfile, streamInfo.TargetVideoLevel, streamInfo.TargetFramerate ?? 0, streamInfo.TargetPacketLength, streamInfo.TranscodeSeekInfo, streamInfo.IsTargetAnamorphic, streamInfo.IsTargetInterlaced, streamInfo.TargetRefFrames, streamInfo.TargetVideoStreamCount, streamInfo.TargetAudioStreamCount, streamInfo.TargetVideoCodecTag, streamInfo.IsTargetAVC); foreach (var contentFeature in contentFeatureList) { AddVideoResource(writer, filter, contentFeature, streamInfo); } var subtitleProfiles = streamInfo.GetSubtitleProfiles(_mediaEncoder, false, _serverAddress, _accessToken); foreach (var subtitle in subtitleProfiles) { if (subtitle.DeliveryMethod != SubtitleDeliveryMethod.External) { continue; } var subtitleAdded = AddSubtitleElement(writer, subtitle); if (subtitleAdded && _profile.EnableSingleSubtitleLimit) { break; } } } private bool AddSubtitleElement(XmlWriter writer, SubtitleStreamInfo info) { var subtitleProfile = _profile.SubtitleProfiles .FirstOrDefault(i => string.Equals(info.Format, i.Format, StringComparison.OrdinalIgnoreCase) && i.Method == SubtitleDeliveryMethod.External); if (subtitleProfile == null) { return false; } var subtitleMode = subtitleProfile.DidlMode; if (string.Equals(subtitleMode, "CaptionInfoEx", StringComparison.OrdinalIgnoreCase)) { // http://192.168.1.3:9999/video.srt // http://192.168.1.3:9999/video.srt writer.WriteStartElement("sec", "CaptionInfoEx", null); writer.WriteAttributeString("sec", "type", null, info.Format.ToLowerInvariant()); writer.WriteString(info.Url); writer.WriteFullEndElement(); } else if (string.Equals(subtitleMode, "smi", StringComparison.OrdinalIgnoreCase)) { writer.WriteStartElement(string.Empty, "res", NsDidl); writer.WriteAttributeString("protocolInfo", "http-get:*:smi/caption:*"); writer.WriteString(info.Url); writer.WriteFullEndElement(); } else { writer.WriteStartElement(string.Empty, "res", NsDidl); var protocolInfo = string.Format( CultureInfo.InvariantCulture, "http-get:*:text/{0}:*", info.Format.ToLowerInvariant()); writer.WriteAttributeString("protocolInfo", protocolInfo); writer.WriteString(info.Url); writer.WriteFullEndElement(); } return true; } private void AddVideoResource(XmlWriter writer, Filter filter, string contentFeatures, StreamInfo streamInfo) { writer.WriteStartElement(string.Empty, "res", NsDidl); var url = NormalizeDlnaMediaUrl(streamInfo.ToUrl(_serverAddress, _accessToken)); var mediaSource = streamInfo.MediaSource; if (mediaSource.RunTimeTicks.HasValue) { writer.WriteAttributeString("duration", TimeSpan.FromTicks(mediaSource.RunTimeTicks.Value).ToString("c", _usCulture)); } if (filter.Contains("res@size")) { if (streamInfo.IsDirectStream || streamInfo.EstimateContentLength) { var size = streamInfo.TargetSize; if (size.HasValue) { writer.WriteAttributeString("size", size.Value.ToString(_usCulture)); } } } var totalBitrate = streamInfo.TargetTotalBitrate; var targetSampleRate = streamInfo.TargetAudioSampleRate; var targetChannels = streamInfo.TargetAudioChannels; var targetWidth = streamInfo.TargetWidth; var targetHeight = streamInfo.TargetHeight; if (targetChannels.HasValue) { writer.WriteAttributeString("nrAudioChannels", targetChannels.Value.ToString(_usCulture)); } if (filter.Contains("res@resolution")) { if (targetWidth.HasValue && targetHeight.HasValue) { writer.WriteAttributeString( "resolution", string.Format( CultureInfo.InvariantCulture, "{0}x{1}", targetWidth.Value, targetHeight.Value)); } } if (targetSampleRate.HasValue) { writer.WriteAttributeString("sampleFrequency", targetSampleRate.Value.ToString(_usCulture)); } if (totalBitrate.HasValue) { writer.WriteAttributeString("bitrate", totalBitrate.Value.ToString(_usCulture)); } var mediaProfile = _profile.GetVideoMediaProfile( streamInfo.Container, streamInfo.TargetAudioCodec.FirstOrDefault(), streamInfo.TargetVideoCodec.FirstOrDefault(), streamInfo.TargetAudioBitrate, targetWidth, targetHeight, streamInfo.TargetVideoBitDepth, streamInfo.TargetVideoProfile, streamInfo.TargetVideoLevel, streamInfo.TargetFramerate ?? 0, streamInfo.TargetPacketLength, streamInfo.TargetTimestamp, streamInfo.IsTargetAnamorphic, streamInfo.IsTargetInterlaced, streamInfo.TargetRefFrames, streamInfo.TargetVideoStreamCount, streamInfo.TargetAudioStreamCount, streamInfo.TargetVideoCodecTag, streamInfo.IsTargetAVC); var filename = url.Substring(0, url.IndexOf('?', StringComparison.Ordinal)); var mimeType = mediaProfile == null || string.IsNullOrEmpty(mediaProfile.MimeType) ? MimeTypes.GetMimeType(filename) : mediaProfile.MimeType; writer.WriteAttributeString( "protocolInfo", string.Format( CultureInfo.InvariantCulture, "http-get:*:{0}:{1}", mimeType, contentFeatures)); writer.WriteString(url); writer.WriteFullEndElement(); } private string GetDisplayName(BaseItem item, StubType? itemStubType, BaseItem context) { if (itemStubType.HasValue) { switch (itemStubType.Value) { case StubType.Latest: return _localization.GetLocalizedString("Latest"); case StubType.Playlists: return _localization.GetLocalizedString("Playlists"); case StubType.AlbumArtists: return _localization.GetLocalizedString("HeaderAlbumArtists"); case StubType.Albums: return _localization.GetLocalizedString("Albums"); case StubType.Artists: return _localization.GetLocalizedString("Artists"); case StubType.Songs: return _localization.GetLocalizedString("Songs"); case StubType.Genres: return _localization.GetLocalizedString("Genres"); case StubType.FavoriteAlbums: return _localization.GetLocalizedString("HeaderFavoriteAlbums"); case StubType.FavoriteArtists: return _localization.GetLocalizedString("HeaderFavoriteArtists"); case StubType.FavoriteSongs: return _localization.GetLocalizedString("HeaderFavoriteSongs"); case StubType.ContinueWatching: return _localization.GetLocalizedString("HeaderContinueWatching"); case StubType.Movies: return _localization.GetLocalizedString("Movies"); case StubType.Collections: return _localization.GetLocalizedString("Collections"); case StubType.Favorites: return _localization.GetLocalizedString("Favorites"); case StubType.NextUp: return _localization.GetLocalizedString("HeaderNextUp"); case StubType.FavoriteSeries: return _localization.GetLocalizedString("HeaderFavoriteShows"); case StubType.FavoriteEpisodes: return _localization.GetLocalizedString("HeaderFavoriteEpisodes"); case StubType.Series: return _localization.GetLocalizedString("Shows"); } } return item is Episode episode ? GetEpisodeDisplayName(episode, context) : item.Name; } /// /// Gets episode display name appropriate for the given context. /// /// /// If context is a season, this will return a string containing just episode number and name. /// Otherwise the result will include series nams and season number. /// /// The episode. /// Current context. /// Formatted name of the episode. private string GetEpisodeDisplayName(Episode episode, BaseItem context) { string[] components; if (context is Season season) { // This is a special embedded within a season if (episode.ParentIndexNumber.HasValue && episode.ParentIndexNumber.Value == 0 && season.IndexNumber.HasValue && season.IndexNumber.Value != 0) { return string.Format( CultureInfo.InvariantCulture, _localization.GetLocalizedString("ValueSpecialEpisodeName"), episode.Name); } // inside a season use simple format (ex. '12 - Episode Name') var epNumberName = GetEpisodeIndexFullName(episode); components = new[] { epNumberName, episode.Name }; } else { // outside a season include series and season details (ex. 'TV Show - S05E11 - Episode Name') var epNumberName = GetEpisodeNumberDisplayName(episode); components = new[] { episode.SeriesName, epNumberName, episode.Name }; } return string.Join(" - ", components.Where(NotNullOrWhiteSpace)); } /// /// Gets complete episode number. /// /// The episode. /// For single episodes returns just the number. For double episodes - current and ending numbers. private string GetEpisodeIndexFullName(Episode episode) { var name = string.Empty; if (episode.IndexNumber.HasValue) { name += episode.IndexNumber.Value.ToString("00", CultureInfo.InvariantCulture); if (episode.IndexNumberEnd.HasValue) { name += "-" + episode.IndexNumberEnd.Value.ToString("00", CultureInfo.InvariantCulture); } } return name; } /// /// Gets episode number formatted as 'S##E##'. /// /// The episode. /// Formatted episode number. private string GetEpisodeNumberDisplayName(Episode episode) { var name = string.Empty; var seasonNumber = episode.Season?.IndexNumber; if (seasonNumber.HasValue) { name = "S" + seasonNumber.Value.ToString("00", CultureInfo.InvariantCulture); } var indexName = GetEpisodeIndexFullName(episode); if (!string.IsNullOrWhiteSpace(indexName)) { name += "E" + indexName; } return name; } private bool NotNullOrWhiteSpace(string s) => !string.IsNullOrWhiteSpace(s); private void AddAudioResource(XmlWriter writer, BaseItem audio, string deviceId, Filter filter, StreamInfo streamInfo = null) { writer.WriteStartElement(string.Empty, "res", NsDidl); if (streamInfo == null) { var sources = _mediaSourceManager.GetStaticMediaSources(audio, true, _user); streamInfo = new StreamBuilder(_mediaEncoder, _logger).BuildAudioItem(new AudioOptions { ItemId = audio.Id, MediaSources = sources.ToArray(), Profile = _profile, DeviceId = deviceId }); } var url = NormalizeDlnaMediaUrl(streamInfo.ToUrl(_serverAddress, _accessToken)); var mediaSource = streamInfo.MediaSource; if (mediaSource.RunTimeTicks.HasValue) { writer.WriteAttributeString("duration", TimeSpan.FromTicks(mediaSource.RunTimeTicks.Value).ToString("c", _usCulture)); } if (filter.Contains("res@size")) { if (streamInfo.IsDirectStream || streamInfo.EstimateContentLength) { var size = streamInfo.TargetSize; if (size.HasValue) { writer.WriteAttributeString("size", size.Value.ToString(_usCulture)); } } } var targetAudioBitrate = streamInfo.TargetAudioBitrate; var targetSampleRate = streamInfo.TargetAudioSampleRate; var targetChannels = streamInfo.TargetAudioChannels; var targetAudioBitDepth = streamInfo.TargetAudioBitDepth; if (targetChannels.HasValue) { writer.WriteAttributeString("nrAudioChannels", targetChannels.Value.ToString(_usCulture)); } if (targetSampleRate.HasValue) { writer.WriteAttributeString("sampleFrequency", targetSampleRate.Value.ToString(_usCulture)); } if (targetAudioBitrate.HasValue) { writer.WriteAttributeString("bitrate", targetAudioBitrate.Value.ToString(_usCulture)); } var mediaProfile = _profile.GetAudioMediaProfile( streamInfo.Container, streamInfo.TargetAudioCodec.FirstOrDefault(), targetChannels, targetAudioBitrate, targetSampleRate, targetAudioBitDepth); var filename = url.Substring(0, url.IndexOf('?', StringComparison.Ordinal)); var mimeType = mediaProfile == null || string.IsNullOrEmpty(mediaProfile.MimeType) ? MimeTypes.GetMimeType(filename) : mediaProfile.MimeType; var contentFeatures = new ContentFeatureBuilder(_profile).BuildAudioHeader( streamInfo.Container, streamInfo.TargetAudioCodec.FirstOrDefault(), targetAudioBitrate, targetSampleRate, targetChannels, targetAudioBitDepth, streamInfo.IsDirectStream, streamInfo.RunTimeTicks ?? 0, streamInfo.TranscodeSeekInfo); writer.WriteAttributeString( "protocolInfo", string.Format( CultureInfo.InvariantCulture, "http-get:*:{0}:{1}", mimeType, contentFeatures)); writer.WriteString(url); writer.WriteFullEndElement(); } public static bool IsIdRoot(string id) => string.IsNullOrWhiteSpace(id) || string.Equals(id, "0", StringComparison.OrdinalIgnoreCase) // Samsung sometimes uses 1 as root || string.Equals(id, "1", StringComparison.OrdinalIgnoreCase); public void WriteFolderElement(XmlWriter writer, BaseItem folder, StubType? stubType, BaseItem context, int childCount, Filter filter, string requestedId = null) { writer.WriteStartElement(string.Empty, "container", NsDidl); writer.WriteAttributeString("restricted", "1"); writer.WriteAttributeString("searchable", "1"); writer.WriteAttributeString("childCount", childCount.ToString(_usCulture)); var clientId = GetClientId(folder, stubType); if (string.Equals(requestedId, "0", StringComparison.Ordinal)) { writer.WriteAttributeString("id", "0"); writer.WriteAttributeString("parentID", "-1"); } else { writer.WriteAttributeString("id", clientId); if (context != null) { writer.WriteAttributeString("parentID", GetClientId(context, null)); } else { var parent = folder.DisplayParentId; if (parent.Equals(Guid.Empty)) { writer.WriteAttributeString("parentID", "0"); } else { writer.WriteAttributeString("parentID", GetClientId(parent, null)); } } } AddGeneralProperties(folder, stubType, context, writer, filter); AddCover(folder, stubType, writer); writer.WriteFullEndElement(); } private void AddSamsungBookmarkInfo(BaseItem item, User user, XmlWriter writer, StreamInfo streamInfo) { if (!item.SupportsPositionTicksResume || item is Folder) { return; } XmlAttribute secAttribute = null; foreach (var attribute in _profile.XmlRootAttributes) { if (string.Equals(attribute.Name, "xmlns:sec", StringComparison.OrdinalIgnoreCase)) { secAttribute = attribute; break; } } // Not a samsung device if (secAttribute == null) { return; } var userdata = _userDataManager.GetUserData(user, item); var playbackPositionTicks = (streamInfo != null && streamInfo.StartPositionTicks > 0) ? streamInfo.StartPositionTicks : userdata.PlaybackPositionTicks; if (playbackPositionTicks > 0) { var elementValue = string.Format( CultureInfo.InvariantCulture, "BM={0}", Convert.ToInt32(TimeSpan.FromTicks(playbackPositionTicks).TotalSeconds)); AddValue(writer, "sec", "dcmInfo", elementValue, secAttribute.Value); } } /// /// Adds fields used by both items and folders. /// private void AddCommonFields(BaseItem item, StubType? itemStubType, BaseItem context, XmlWriter writer, Filter filter) { // Don't filter on dc:title because not all devices will include it in the filter // MediaMonkey for example won't display content without a title // if (filter.Contains("dc:title")) { AddValue(writer, "dc", "title", GetDisplayName(item, itemStubType, context), NsDc); } WriteObjectClass(writer, item, itemStubType); if (filter.Contains("dc:date")) { if (item.PremiereDate.HasValue) { AddValue(writer, "dc", "date", item.PremiereDate.Value.ToString("o", CultureInfo.InvariantCulture), NsDc); } } if (filter.Contains("upnp:genre")) { foreach (var genre in item.Genres) { AddValue(writer, "upnp", "genre", genre, NsUpnp); } } foreach (var studio in item.Studios) { AddValue(writer, "upnp", "publisher", studio, NsUpnp); } if (!(item is Folder)) { if (filter.Contains("dc:description")) { var desc = item.Overview; if (!string.IsNullOrWhiteSpace(desc)) { AddValue(writer, "dc", "description", desc, NsDc); } } // if (filter.Contains("upnp:longDescription")) // { // if (!string.IsNullOrWhiteSpace(item.Overview)) // { // AddValue(writer, "upnp", "longDescription", item.Overview, NsUpnp); // } // } } if (!string.IsNullOrEmpty(item.OfficialRating)) { if (filter.Contains("dc:rating")) { AddValue(writer, "dc", "rating", item.OfficialRating, NsDc); } if (filter.Contains("upnp:rating")) { AddValue(writer, "upnp", "rating", item.OfficialRating, NsUpnp); } } AddPeople(item, writer); } private void WriteObjectClass(XmlWriter writer, BaseItem item, StubType? stubType) { // More types here // http://oss.linn.co.uk/repos/Public/LibUpnpCil/DidlLite/UpnpAv/Test/TestDidlLite.cs writer.WriteStartElement("upnp", "class", NsUpnp); if (item.IsDisplayedAsFolder || stubType.HasValue) { string classType = null; if (!_profile.RequiresPlainFolders) { if (item is MusicAlbum) { classType = "object.container.album.musicAlbum"; } else if (item is MusicArtist) { classType = "object.container.person.musicArtist"; } else if (item is Series || item is Season || item is BoxSet || item is Video) { classType = "object.container.album.videoAlbum"; } else if (item is Playlist) { classType = "object.container.playlistContainer"; } else if (item is PhotoAlbum) { classType = "object.container.album.photoAlbum"; } } writer.WriteString(classType ?? "object.container.storageFolder"); } else if (string.Equals(item.MediaType, MediaType.Audio, StringComparison.OrdinalIgnoreCase)) { writer.WriteString("object.item.audioItem.musicTrack"); } else if (string.Equals(item.MediaType, MediaType.Photo, StringComparison.OrdinalIgnoreCase)) { writer.WriteString("object.item.imageItem.photo"); } else if (string.Equals(item.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase)) { if (!_profile.RequiresPlainVideoItems && item is Movie) { writer.WriteString("object.item.videoItem.movie"); } else if (!_profile.RequiresPlainVideoItems && item is MusicVideo) { writer.WriteString("object.item.videoItem.musicVideoClip"); } else { writer.WriteString("object.item.videoItem"); } } else if (item is MusicGenre) { writer.WriteString(_profile.RequiresPlainFolders ? "object.container.storageFolder" : "object.container.genre.musicGenre"); } else if (item is Genre) { writer.WriteString(_profile.RequiresPlainFolders ? "object.container.storageFolder" : "object.container.genre"); } else { writer.WriteString("object.item"); } writer.WriteFullEndElement(); } private void AddPeople(BaseItem item, XmlWriter writer) { if (!item.SupportsPeople) { return; } var types = new[] { PersonType.Director, PersonType.Writer, PersonType.Producer, PersonType.Composer, "creator" }; // Seeing some LG models locking up due content with large lists of people // The actual issue might just be due to processing a more metadata than it can handle var people = _libraryManager.GetPeople( new InternalPeopleQuery { ItemId = item.Id, Limit = 6 }); foreach (var actor in people) { var type = types.FirstOrDefault(i => string.Equals(i, actor.Type, StringComparison.OrdinalIgnoreCase) || string.Equals(i, actor.Role, StringComparison.OrdinalIgnoreCase)) ?? PersonType.Actor; AddValue(writer, "upnp", type.ToLowerInvariant(), actor.Name, NsUpnp); } } private void AddGeneralProperties(BaseItem item, StubType? itemStubType, BaseItem context, XmlWriter writer, Filter filter) { AddCommonFields(item, itemStubType, context, writer, filter); var hasAlbumArtists = item as IHasAlbumArtist; if (item is IHasArtist hasArtists) { foreach (var artist in hasArtists.Artists) { AddValue(writer, "upnp", "artist", artist, NsUpnp); AddValue(writer, "dc", "creator", artist, NsDc); // If it doesn't support album artists (musicvideo), then tag as both if (hasAlbumArtists == null) { AddAlbumArtist(writer, artist); } } } if (hasAlbumArtists != null) { foreach (var albumArtist in hasAlbumArtists.AlbumArtists) { AddAlbumArtist(writer, albumArtist); } } if (!string.IsNullOrWhiteSpace(item.Album)) { AddValue(writer, "upnp", "album", item.Album, NsUpnp); } if (item.IndexNumber.HasValue) { AddValue(writer, "upnp", "originalTrackNumber", item.IndexNumber.Value.ToString(_usCulture), NsUpnp); if (item is Episode) { AddValue(writer, "upnp", "episodeNumber", item.IndexNumber.Value.ToString(_usCulture), NsUpnp); } } } private void AddAlbumArtist(XmlWriter writer, string name) { try { writer.WriteStartElement("upnp", "artist", NsUpnp); writer.WriteAttributeString("role", "AlbumArtist"); writer.WriteString(name); writer.WriteFullEndElement(); } catch (XmlException ex) { _logger.LogError(ex, "Error adding xml value: {Value}", name); } } private void AddValue(XmlWriter writer, string prefix, string name, string value, string namespaceUri) { try { writer.WriteElementString(prefix, name, namespaceUri, value); } catch (XmlException ex) { _logger.LogError(ex, "Error adding xml value: {Value}", value); } } private void AddCover(BaseItem item, StubType? stubType, XmlWriter writer) { ImageDownloadInfo imageInfo = GetImageInfo(item); if (imageInfo == null) { return; } var albumartUrlInfo = GetImageUrl(imageInfo, _profile.MaxAlbumArtWidth, _profile.MaxAlbumArtHeight, "jpg"); writer.WriteStartElement("upnp", "albumArtURI", NsUpnp); writer.WriteAttributeString("dlna", "profileID", NsDlna, _profile.AlbumArtPn); writer.WriteString(albumartUrlInfo.url); writer.WriteFullEndElement(); // TOOD: Remove these default values var iconUrlInfo = GetImageUrl(imageInfo, _profile.MaxIconWidth ?? 48, _profile.MaxIconHeight ?? 48, "jpg"); writer.WriteElementString("upnp", "icon", NsUpnp, iconUrlInfo.url); if (!_profile.EnableAlbumArtInDidl) { if (string.Equals(item.MediaType, MediaType.Audio, StringComparison.OrdinalIgnoreCase) || string.Equals(item.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase)) { if (!stubType.HasValue) { return; } } } if (!_profile.EnableSingleAlbumArtLimit || string.Equals(item.MediaType, MediaType.Photo, StringComparison.OrdinalIgnoreCase)) { AddImageResElement(item, writer, 4096, 4096, "jpg", "JPEG_LRG"); AddImageResElement(item, writer, 1024, 768, "jpg", "JPEG_MED"); AddImageResElement(item, writer, 640, 480, "jpg", "JPEG_SM"); AddImageResElement(item, writer, 4096, 4096, "png", "PNG_LRG"); AddImageResElement(item, writer, 160, 160, "png", "PNG_TN"); } AddImageResElement(item, writer, 160, 160, "jpg", "JPEG_TN"); } private void AddImageResElement( BaseItem item, XmlWriter writer, int maxWidth, int maxHeight, string format, string org_Pn) { var imageInfo = GetImageInfo(item); if (imageInfo == null) { return; } var albumartUrlInfo = GetImageUrl(imageInfo, maxWidth, maxHeight, format); writer.WriteStartElement(string.Empty, "res", NsDidl); // Images must have a reported size or many clients (Bubble upnp), will only use the first thumbnail // rather than using a larger one when available var width = albumartUrlInfo.width ?? maxWidth; var height = albumartUrlInfo.height ?? maxHeight; var contentFeatures = new ContentFeatureBuilder(_profile) .BuildImageHeader(format, width, height, imageInfo.IsDirectStream, org_Pn); writer.WriteAttributeString( "protocolInfo", string.Format( CultureInfo.InvariantCulture, "http-get:*:{0}:{1}", MimeTypes.GetMimeType("file." + format), contentFeatures)); writer.WriteAttributeString( "resolution", string.Format(CultureInfo.InvariantCulture, "{0}x{1}", width, height)); writer.WriteString(albumartUrlInfo.url); writer.WriteFullEndElement(); } private ImageDownloadInfo GetImageInfo(BaseItem item) { if (item.HasImage(ImageType.Primary)) { return GetImageInfo(item, ImageType.Primary); } if (item.HasImage(ImageType.Thumb)) { return GetImageInfo(item, ImageType.Thumb); } if (item.HasImage(ImageType.Backdrop)) { if (item is Channel) { return GetImageInfo(item, ImageType.Backdrop); } } // For audio tracks without art use album art if available. if (item is Audio audioItem) { var album = audioItem.AlbumEntity; return album != null && album.HasImage(ImageType.Primary) ? GetImageInfo(album, ImageType.Primary) : null; } // Don't look beyond album/playlist level. Metadata service may assign an image from a different album/show to the parent folder. if (item is MusicAlbum || item is Playlist) { return null; } // For other item types check parents, but be aware that image retrieved from a parent may be not suitable for this media item. var parentWithImage = GetFirstParentWithImageBelowUserRoot(item); if (parentWithImage != null) { return GetImageInfo(parentWithImage, ImageType.Primary); } return null; } private BaseItem GetFirstParentWithImageBelowUserRoot(BaseItem item) { if (item == null) { return null; } if (item.HasImage(ImageType.Primary)) { return item; } var parent = item.GetParent(); if (parent is UserRootFolder) { return null; } // terminate in case we went past user root folder (unlikely?) if (parent is Folder folder && folder.IsRoot) { return null; } return GetFirstParentWithImageBelowUserRoot(parent); } private ImageDownloadInfo GetImageInfo(BaseItem item, ImageType type) { var imageInfo = item.GetImageInfo(type, 0); string tag = null; try { tag = _imageProcessor.GetImageCacheTag(item, type); } catch (Exception ex) { _logger.LogError(ex, "Error getting image cache tag"); } int? width = imageInfo.Width; int? height = imageInfo.Height; if (width == 0 || height == 0) { width = null; height = null; } else if (width == -1 || height == -1) { width = null; height = null; } var inputFormat = (Path.GetExtension(imageInfo.Path) ?? string.Empty) .TrimStart('.') .Replace("jpeg", "jpg", StringComparison.OrdinalIgnoreCase); return new ImageDownloadInfo { ItemId = item.Id, Type = type, ImageTag = tag, Width = width, Height = height, Format = inputFormat, ItemImageInfo = imageInfo }; } public static string GetClientId(BaseItem item, StubType? stubType) { return GetClientId(item.Id, stubType); } public static string GetClientId(Guid idValue, StubType? stubType) { var id = idValue.ToString("N", CultureInfo.InvariantCulture); if (stubType.HasValue) { id = stubType.Value.ToString().ToLowerInvariant() + "_" + id; } return id; } private (string url, int? width, int? height) GetImageUrl(ImageDownloadInfo info, int maxWidth, int maxHeight, string format) { var url = string.Format( CultureInfo.InvariantCulture, "{0}/Items/{1}/Images/{2}/0/{3}/{4}/{5}/{6}/0/0", _serverAddress, info.ItemId.ToString("N", CultureInfo.InvariantCulture), info.Type, info.ImageTag, format, maxWidth.ToString(CultureInfo.InvariantCulture), maxHeight.ToString(CultureInfo.InvariantCulture)); var width = info.Width; var height = info.Height; info.IsDirectStream = false; if (width.HasValue && height.HasValue) { var newSize = DrawingUtils.Resize( new ImageDimensions(width.Value, height.Value), 0, 0, maxWidth, maxHeight); width = newSize.Width; height = newSize.Height; var normalizedFormat = format .Replace("jpeg", "jpg", StringComparison.OrdinalIgnoreCase); if (string.Equals(info.Format, normalizedFormat, StringComparison.OrdinalIgnoreCase)) { info.IsDirectStream = maxWidth >= width.Value && maxHeight >= height.Value; } } // just lie info.IsDirectStream = true; return (url, width, height); } private class ImageDownloadInfo { internal Guid ItemId { get; set; } internal string ImageTag { get; set; } internal ImageType Type { get; set; } internal int? Width { get; set; } internal int? Height { get; set; } internal bool IsDirectStream { get; set; } internal string Format { get; set; } internal ItemImageInfo ItemImageInfo { get; set; } } } }