jellyfin/Emby.Dlna/Didl/DidlBuilder.cs
Erwin de Haan ec1f5dc317 Mayor code cleanup
Add Argument*Exceptions now use proper nameof operators.

Added exception messages to quite a few Argument*Exceptions.

Fixed rethorwing to be proper syntax.

Added a ton of null checkes. (This is only a start, there are about 500 places that need proper null handling)

Added some TODOs to log certain exceptions.

Fix sln again.

Fixed all AssemblyInfo's and added proper copyright (where I could find them)

We live in *current year*.

Fixed the use of braces.

Fixed a ton of properties, and made a fair amount of functions static that should be and can be static.

Made more Methods that should be static static.

You can now use static to find bad functions!

Removed unused variable. And added one more proper XML comment.
2019-01-10 20:38:53 +01:00

1212 lines
44 KiB
C#

using MediaBrowser.Model.Extensions;
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.Entities.TV;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Playlists;
using Emby.Dlna.ContentDirectory;
using MediaBrowser.Model.Dlna;
using MediaBrowser.Model.Drawing;
using MediaBrowser.Model.Entities;
using Microsoft.Extensions.Logging;
using MediaBrowser.Model.Net;
using System;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml;
using MediaBrowser.Controller.MediaEncoding;
using Emby.Dlna.Configuration;
using MediaBrowser.Model.Globalization;
namespace Emby.Dlna.Didl
{
public class DidlBuilder
{
private readonly CultureInfo _usCulture = new CultureInfo("en-US");
private const string NS_DIDL = "urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/";
private const string NS_DC = "http://purl.org/dc/elements/1.1/";
private const string NS_UPNP = "urn:schemas-upnp-org:metadata-1-0/upnp/";
private const string NS_DLNA = "urn:schemas-dlna-org:metadata-1-0/";
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 ILibraryManager _libraryManager;
private readonly IMediaEncoder _mediaEncoder;
public DidlBuilder(DeviceProfile profile, User user, IImageProcessor imageProcessor, string serverAddress, string accessToken, IUserDataManager userDataManager, ILocalizationManager localization, IMediaSourceManager mediaSourceManager, ILogger logger, ILibraryManager libraryManager, IMediaEncoder mediaEncoder)
{
_profile = profile;
_imageProcessor = imageProcessor;
_serverAddress = serverAddress;
_userDataManager = userDataManager;
_localization = localization;
_mediaSourceManager = mediaSourceManager;
_logger = logger;
_libraryManager = libraryManager;
_mediaEncoder = mediaEncoder;
_accessToken = accessToken;
_user = user;
}
public static string NormalizeDlnaMediaUrl(string url)
{
return url + "&dlnaheaders=true";
}
public string GetItemDidl(DlnaOptions options, 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 (XmlWriter writer = XmlWriter.Create(builder, settings))
{
//writer.WriteStartDocument();
writer.WriteStartElement(string.Empty, "DIDL-Lite", NS_DIDL);
writer.WriteAttributeString("xmlns", "dc", null, NS_DC);
writer.WriteAttributeString("xmlns", "dlna", null, NS_DLNA);
writer.WriteAttributeString("xmlns", "upnp", null, NS_UPNP);
//didl.SetAttribute("xmlns:sec", NS_SEC);
WriteXmlRootAttributes(_profile, writer);
WriteItemElement(options, 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(DlnaOptions options,
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", NS_DIDL);
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);
// refID?
// storeAttribute(itemNode, object, ClassProperties.REF_ID, false);
var hasMediaSources = item as IHasMediaSources;
if (hasMediaSources != null)
{
if (string.Equals(item.MediaType, MediaType.Audio, StringComparison.OrdinalIgnoreCase))
{
AddAudioResource(options, writer, item, deviceId, filter, streamInfo);
}
else if (string.Equals(item.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase))
{
AddVideoResource(options, writer, item, deviceId, filter, streamInfo);
}
}
AddCover(item, context, null, writer);
writer.WriteFullEndElement();
}
private string GetMimeType(string input)
{
var mime = MimeTypes.GetMimeType(input);
// TODO: Instead of being hard-coded here, this should probably be moved into all of the existing profiles
if (string.Equals(mime, "video/mp2t", StringComparison.OrdinalIgnoreCase))
{
mime = "video/mpeg";
}
return mime;
}
private void AddVideoResource(DlnaOptions options, 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, video, deviceId, filter, contentFeature, streamInfo);
}
var subtitleProfiles = streamInfo.GetSubtitleProfiles(_mediaEncoder, false, _serverAddress, _accessToken)
.Where(subtitle => subtitle.DeliveryMethod == SubtitleDeliveryMethod.External)
.ToList();
foreach (var subtitle in subtitleProfiles)
{
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.ToLower());
writer.WriteString(info.Url);
writer.WriteFullEndElement();
}
else if (string.Equals(subtitleMode, "smi", StringComparison.OrdinalIgnoreCase))
{
writer.WriteStartElement(string.Empty, "res", NS_DIDL);
writer.WriteAttributeString("protocolInfo", "http-get:*:smi/caption:*");
writer.WriteString(info.Url);
writer.WriteFullEndElement();
}
else
{
writer.WriteStartElement(string.Empty, "res", NS_DIDL);
var protocolInfo = string.Format("http-get:*:text/{0}:*", info.Format.ToLower());
writer.WriteAttributeString("protocolInfo", protocolInfo);
writer.WriteString(info.Url);
writer.WriteFullEndElement();
}
return true;
}
private void AddVideoResource(XmlWriter writer, BaseItem video, string deviceId, Filter filter, string contentFeatures, StreamInfo streamInfo)
{
writer.WriteStartElement(string.Empty, "res", NS_DIDL);
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("{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('?'));
var mimeType = mediaProfile == null || string.IsNullOrEmpty(mediaProfile.MimeType)
? GetMimeType(filename)
: mediaProfile.MimeType;
writer.WriteAttributeString("protocolInfo", string.Format(
"http-get:*:{0}:{1}",
mimeType,
contentFeatures
));
writer.WriteString(url);
writer.WriteFullEndElement();
}
private string GetDisplayName(BaseItem item, StubType? itemStubType, BaseItem context)
{
if (itemStubType.HasValue && itemStubType.Value == StubType.Latest)
{
return _localization.GetLocalizedString("Latest");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.Playlists)
{
return _localization.GetLocalizedString("Playlists");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.AlbumArtists)
{
return _localization.GetLocalizedString("HeaderAlbumArtists");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.Albums)
{
return _localization.GetLocalizedString("Albums");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.Artists)
{
return _localization.GetLocalizedString("Artists");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.Songs)
{
return _localization.GetLocalizedString("Songs");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.Genres)
{
return _localization.GetLocalizedString("Genres");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.FavoriteAlbums)
{
return _localization.GetLocalizedString("HeaderFavoriteAlbums");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.FavoriteArtists)
{
return _localization.GetLocalizedString("HeaderFavoriteArtists");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.FavoriteSongs)
{
return _localization.GetLocalizedString("HeaderFavoriteSongs");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.ContinueWatching)
{
return _localization.GetLocalizedString("HeaderContinueWatching");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.Movies)
{
return _localization.GetLocalizedString("Movies");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.Collections)
{
return _localization.GetLocalizedString("Collections");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.Favorites)
{
return _localization.GetLocalizedString("Favorites");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.NextUp)
{
return _localization.GetLocalizedString("HeaderNextUp");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.FavoriteSeries)
{
return _localization.GetLocalizedString("HeaderFavoriteShows");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.FavoriteEpisodes)
{
return _localization.GetLocalizedString("HeaderFavoriteEpisodes");
}
if (itemStubType.HasValue && itemStubType.Value == StubType.Series)
{
return _localization.GetLocalizedString("Shows");
}
var episode = item as Episode;
var season = context as Season;
if (episode != null && season != null)
{
// This is a special embedded within a season
if (item.ParentIndexNumber.HasValue && item.ParentIndexNumber.Value == 0)
{
if (season.IndexNumber.HasValue && season.IndexNumber.Value != 0)
{
return string.Format(_localization.GetLocalizedString("ValueSpecialEpisodeName"), item.Name);
}
}
if (item.IndexNumber.HasValue)
{
var number = item.IndexNumber.Value.ToString("00", CultureInfo.InvariantCulture);
if (episode.IndexNumberEnd.HasValue)
{
number += "-" + episode.IndexNumberEnd.Value.ToString("00", CultureInfo.InvariantCulture);
}
return number + " - " + item.Name;
}
}
return item.Name;
}
private void AddAudioResource(DlnaOptions options, XmlWriter writer, BaseItem audio, string deviceId, Filter filter, StreamInfo streamInfo = null)
{
writer.WriteStartElement(string.Empty, "res", NS_DIDL);
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('?'));
var mimeType = mediaProfile == null || string.IsNullOrEmpty(mediaProfile.MimeType)
? 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(
"http-get:*:{0}:{1}",
mimeType,
contentFeatures
));
writer.WriteString(url);
writer.WriteFullEndElement();
}
public static bool IsIdRoot(string id)
{
if (string.IsNullOrWhiteSpace(id) ||
string.Equals(id, "0", StringComparison.OrdinalIgnoreCase)
// Samsung sometimes uses 1 as root
|| string.Equals(id, "1", StringComparison.OrdinalIgnoreCase))
{
return true;
}
return false;
}
public void WriteFolderElement(XmlWriter writer, BaseItem folder, StubType? stubType, BaseItem context, int childCount, Filter filter, string requestedId = null)
{
writer.WriteStartElement(string.Empty, "container", NS_DIDL);
writer.WriteAttributeString("restricted", "1");
writer.WriteAttributeString("searchable", "1");
writer.WriteAttributeString("childCount", childCount.ToString(_usCulture));
var clientId = GetClientId(folder, stubType);
if (string.Equals(requestedId, "0"))
{
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, context, stubType, writer);
writer.WriteFullEndElement();
}
private void AddSamsungBookmarkInfo(BaseItem item, User user, XmlWriter writer)
{
if (!item.SupportsPositionTicksResume || item is Folder)
{
return;
}
MediaBrowser.Model.Dlna.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);
if (userdata.PlaybackPositionTicks > 0)
{
var elementValue = string.Format("BM={0}", Convert.ToInt32(TimeSpan.FromTicks(userdata.PlaybackPositionTicks).TotalSeconds).ToString(_usCulture));
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), NS_DC);
}
WriteObjectClass(writer, item, itemStubType);
if (filter.Contains("dc:date"))
{
if (item.PremiereDate.HasValue)
{
AddValue(writer, "dc", "date", item.PremiereDate.Value.ToString("o"), NS_DC);
}
}
if (filter.Contains("upnp:genre"))
{
foreach (var genre in item.Genres)
{
AddValue(writer, "upnp", "genre", genre, NS_UPNP);
}
}
foreach (var studio in item.Studios)
{
AddValue(writer, "upnp", "publisher", studio, NS_UPNP);
}
if (!(item is Folder))
{
if (filter.Contains("dc:description"))
{
var desc = item.Overview;
if (!string.IsNullOrWhiteSpace(desc))
{
AddValue(writer, "dc", "description", desc, NS_DC);
}
}
//if (filter.Contains("upnp:longDescription"))
//{
// if (!string.IsNullOrWhiteSpace(item.Overview))
// {
// AddValue(writer, "upnp", "longDescription", item.Overview, NS_UPNP);
// }
//}
}
if (!string.IsNullOrEmpty(item.OfficialRating))
{
if (filter.Contains("dc:rating"))
{
AddValue(writer, "dc", "rating", item.OfficialRating, NS_DC);
}
if (filter.Contains("upnp:rating"))
{
AddValue(writer, "upnp", "rating", item.OfficialRating, NS_UPNP);
}
}
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", NS_UPNP);
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 || item is GameGenre)
{
writer.WriteString(_profile.RequiresPlainFolders ? "object.container.storageFolder" : "object.container.genre");
}
else
{
writer.WriteString("object.item");
}
writer.WriteFullEndElement();
}
private void AddPeople(BaseItem item, XmlWriter writer)
{
//var types = new[]
//{
// PersonType.Director,
// PersonType.Writer,
// PersonType.Producer,
// PersonType.Composer,
// "Creator"
//};
//var people = _libraryManager.GetPeople(item);
//var index = 0;
//// 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 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.ToLower(), actor.Name, NS_UPNP);
// index++;
// if (index >= limit)
// {
// break;
// }
//}
}
private void AddGeneralProperties(BaseItem item, StubType? itemStubType, BaseItem context, XmlWriter writer, Filter filter)
{
AddCommonFields(item, itemStubType, context, writer, filter);
var hasArtists = item as IHasArtist;
var hasAlbumArtists = item as IHasAlbumArtist;
if (hasArtists != null)
{
foreach (var artist in hasArtists.Artists)
{
AddValue(writer, "upnp", "artist", artist, NS_UPNP);
AddValue(writer, "dc", "creator", artist, NS_DC);
// 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, NS_UPNP);
}
if (item.IndexNumber.HasValue)
{
AddValue(writer, "upnp", "originalTrackNumber", item.IndexNumber.Value.ToString(_usCulture), NS_UPNP);
if (item is Episode)
{
AddValue(writer, "upnp", "episodeNumber", item.IndexNumber.Value.ToString(_usCulture), NS_UPNP);
}
}
}
private void AddAlbumArtist(XmlWriter writer, string name)
{
try
{
writer.WriteStartElement("upnp", "artist", NS_UPNP);
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, BaseItem context, StubType? stubType, XmlWriter writer)
{
ImageDownloadInfo imageInfo = null;
// Finally, just use the image from the item
if (imageInfo == null)
{
imageInfo = GetImageInfo(item);
}
if (imageInfo == null)
{
return;
}
var albumartUrlInfo = GetImageUrl(imageInfo, _profile.MaxAlbumArtWidth, _profile.MaxAlbumArtHeight, "jpg");
writer.WriteStartElement("upnp", "albumArtURI", NS_UPNP);
writer.WriteAttributeString("dlna", "profileID", NS_DLNA, _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", NS_UPNP, 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;
}
}
}
AddImageResElement(item, writer, 160, 160, "jpg", "JPEG_TN");
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");
}
}
private void AddEmbeddedImageAsCover(string name, XmlWriter writer)
{
writer.WriteStartElement("upnp", "albumArtURI", NS_UPNP);
writer.WriteAttributeString("dlna", "profileID", NS_DLNA, _profile.AlbumArtPn);
writer.WriteString(_serverAddress + "/Dlna/icons/people480.jpg");
writer.WriteFullEndElement();
writer.WriteElementString("upnp", "icon", NS_UPNP, _serverAddress + "/Dlna/icons/people48.jpg");
}
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", NS_DIDL);
// 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(
"http-get:*:{0}:{1}",
GetMimeType("file." + format),
contentFeatures
));
writer.WriteAttributeString("resolution", string.Format("{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);
}
}
item = item.GetParents().FirstOrDefault(i => i.HasImage(ImageType.Primary));
if (item != null)
{
if (item.HasImage(ImageType.Primary))
{
return GetImageInfo(item, ImageType.Primary);
}
}
return null;
}
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)
{
//_imageProcessor.GetImageSize(item, imageInfo);
width = null;
height = null;
}
else if (width == -1 || height == -1)
{
width = null;
height = null;
}
//try
//{
// var size = _imageProcessor.GetImageSize(imageInfo);
// width = Convert.ToInt32(size.Width);
// height = Convert.ToInt32(size.Height);
//}
//catch
//{
//}
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
};
}
class ImageDownloadInfo
{
internal Guid ItemId;
internal string ImageTag;
internal ImageType Type;
internal int? Width;
internal int? Height;
internal bool IsDirectStream;
internal string Format;
internal ItemImageInfo ItemImageInfo;
}
class ImageUrlInfo
{
internal string Url;
internal int? Width;
internal int? Height;
}
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");
if (stubType.HasValue)
{
id = stubType.Value.ToString().ToLower() + "_" + id;
}
return id;
}
private ImageUrlInfo GetImageUrl(ImageDownloadInfo info, int maxWidth, int maxHeight, string format)
{
var url = string.Format("{0}/Items/{1}/Images/{2}/0/{3}/{4}/{5}/{6}/0/0",
_serverAddress,
info.ItemId.ToString("N"),
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 ImageSize
{
Height = height.Value,
Width = width.Value
}, 0, 0, maxWidth, maxHeight);
width = Convert.ToInt32(newSize.Width);
height = Convert.ToInt32(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 new ImageUrlInfo
{
Url = url,
Width = width,
Height = height
};
}
}
}