jellyfin-server/Emby.Dlna/Didl/DidlBuilder.cs
2020-08-31 22:20:19 +02:00

1249 lines
46 KiB
C#

#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(new[] { ':' }, 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))
{
// <sec:CaptionInfoEx sec:type="srt">http://192.168.1.3:9999/video.srt</sec:CaptionInfoEx>
// <sec:CaptionInfo sec:type="srt">http://192.168.1.3:9999/video.srt</sec:CaptionInfo>
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;
}
/// <summary>
/// Gets episode display name appropriate for the given context.
/// </summary>
/// <remarks>
/// 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.
/// </remarks>
/// <param name="episode">The episode.</param>
/// <param name="context">Current context.</param>
/// <returns>Formatted name of the episode.</returns>
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));
}
/// <summary>
/// Gets complete episode number.
/// </summary>
/// <param name="episode">The episode.</param>
/// <returns>For single episodes returns just the number. For double episodes - current and ending numbers.</returns>
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;
}
/// <summary>
/// Gets episode number formatted as 'S##E##'.
/// </summary>
/// <param name="episode">The episode.</param>
/// <returns>Formatted episode number.</returns>
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);
}
}
/// <summary>
/// Adds fields used by both items and folders.
/// </summary>
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; }
}
}
}