using System; using System.Collections.Generic; using System.Globalization; using System.IO; using System.Linq; using System.Text; using System.Xml; using MediaBrowser.Controller.Library; using MediaBrowser.Model.Dto; using MediaBrowser.Model.Entities; using MediaBrowser.Model.Extensions; using MediaBrowser.Model.Globalization; using MediaBrowser.Model.IO; using MediaBrowser.Model.MediaInfo; using Microsoft.Extensions.Logging; namespace MediaBrowser.MediaEncoding.Probing { public class ProbeResultNormalizer { private readonly CultureInfo _usCulture = new CultureInfo("en-US"); private readonly ILogger _logger; private readonly IFileSystem _fileSystem; private readonly ILocalizationManager _localization; public ProbeResultNormalizer(ILogger logger, IFileSystem fileSystem, ILocalizationManager localization) { _logger = logger; _fileSystem = fileSystem; _localization = localization; } public MediaInfo GetMediaInfo(InternalMediaInfoResult data, VideoType? videoType, bool isAudio, string path, MediaProtocol protocol) { var info = new MediaInfo { Path = path, Protocol = protocol }; FFProbeHelpers.NormalizeFFProbeResult(data); SetSize(data, info); var internalStreams = data.streams ?? new MediaStreamInfo[] { }; info.MediaStreams = internalStreams.Select(s => GetMediaStream(isAudio, s, data.format)) .Where(i => i != null) // Drop subtitle streams if we don't know the codec because it will just cause failures if we don't know how to handle them .Where(i => i.Type != MediaStreamType.Subtitle || !string.IsNullOrWhiteSpace(i.Codec)) .ToList(); info.MediaAttachments = internalStreams.Select(s => GetMediaAttachment(s)) .Where(i => i != null) .ToList(); if (data.format != null) { info.Container = NormalizeFormat(data.format.format_name); if (!string.IsNullOrEmpty(data.format.bit_rate)) { if (int.TryParse(data.format.bit_rate, NumberStyles.Any, _usCulture, out var value)) { info.Bitrate = value; } } } var tags = new Dictionary(StringComparer.OrdinalIgnoreCase); var tagStreamType = isAudio ? "audio" : "video"; if (data.streams != null) { var tagStream = data.streams.FirstOrDefault(i => string.Equals(i.codec_type, tagStreamType, StringComparison.OrdinalIgnoreCase)); if (tagStream != null && tagStream.tags != null) { foreach (var pair in tagStream.tags) { tags[pair.Key] = pair.Value; } } } if (data.format != null && data.format.tags != null) { foreach (var pair in data.format.tags) { tags[pair.Key] = pair.Value; } } FetchGenres(info, tags); var overview = FFProbeHelpers.GetDictionaryValue(tags, "synopsis"); if (string.IsNullOrWhiteSpace(overview)) { overview = FFProbeHelpers.GetDictionaryValue(tags, "description"); } if (string.IsNullOrWhiteSpace(overview)) { overview = FFProbeHelpers.GetDictionaryValue(tags, "desc"); } if (!string.IsNullOrWhiteSpace(overview)) { info.Overview = overview; } var title = FFProbeHelpers.GetDictionaryValue(tags, "title"); if (!string.IsNullOrWhiteSpace(title)) { info.Name = title; } info.ProductionYear = FFProbeHelpers.GetDictionaryNumericValue(tags, "date"); // Several different forms of retaildate info.PremiereDate = FFProbeHelpers.GetDictionaryDateTime(tags, "retaildate") ?? FFProbeHelpers.GetDictionaryDateTime(tags, "retail date") ?? FFProbeHelpers.GetDictionaryDateTime(tags, "retail_date") ?? FFProbeHelpers.GetDictionaryDateTime(tags, "date"); if (isAudio) { SetAudioRuntimeTicks(data, info); // tags are normally located under data.format, but we've seen some cases with ogg where they're part of the info stream // so let's create a combined list of both SetAudioInfoFromTags(info, tags); } else { FetchStudios(info, tags, "copyright"); var iTunEXTC = FFProbeHelpers.GetDictionaryValue(tags, "iTunEXTC"); if (!string.IsNullOrWhiteSpace(iTunEXTC)) { var parts = iTunEXTC.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries); // Example // mpaa|G|100|For crude humor if (parts.Length > 1) { info.OfficialRating = parts[1]; if (parts.Length > 3) { info.OfficialRatingDescription = parts[3]; } } } var itunesXml = FFProbeHelpers.GetDictionaryValue(tags, "iTunMOVI"); if (!string.IsNullOrWhiteSpace(itunesXml)) { FetchFromItunesInfo(itunesXml, info); } if (data.format != null && !string.IsNullOrEmpty(data.format.duration)) { info.RunTimeTicks = TimeSpan.FromSeconds(double.Parse(data.format.duration, _usCulture)).Ticks; } FetchWtvInfo(info, data); if (data.Chapters != null) { info.Chapters = data.Chapters.Select(GetChapterInfo).ToArray(); } ExtractTimestamp(info); var stereoMode = GetDictionaryValue(tags, "stereo_mode"); if (string.Equals(stereoMode, "left_right", StringComparison.OrdinalIgnoreCase)) { info.Video3DFormat = Video3DFormat.FullSideBySide; } foreach (var mediaStream in info.MediaStreams) { if (mediaStream.Type == MediaStreamType.Audio && !mediaStream.BitRate.HasValue) { mediaStream.BitRate = GetEstimatedAudioBitrate(mediaStream.Codec, mediaStream.Channels); } } var videoStreamsBitrate = info.MediaStreams.Where(i => i.Type == MediaStreamType.Video).Select(i => i.BitRate ?? 0).Sum(); // If ffprobe reported the container bitrate as being the same as the video stream bitrate, then it's wrong if (videoStreamsBitrate == (info.Bitrate ?? 0)) { info.InferTotalBitrate(true); } } return info; } private string NormalizeFormat(string format) { if (string.IsNullOrWhiteSpace(format)) { return null; } if (string.Equals(format, "mpegvideo", StringComparison.OrdinalIgnoreCase)) { return "mpeg"; } format = format.Replace("matroska", "mkv", StringComparison.OrdinalIgnoreCase); return format; } private int? GetEstimatedAudioBitrate(string codec, int? channels) { if (!channels.HasValue) { return null; } var channelsValue = channels.Value; if (string.Equals(codec, "aac", StringComparison.OrdinalIgnoreCase) || string.Equals(codec, "mp3", StringComparison.OrdinalIgnoreCase)) { if (channelsValue <= 2) { return 192000; } if (channelsValue >= 5) { return 320000; } } return null; } private void FetchFromItunesInfo(string xml, MediaInfo info) { // Make things simpler and strip out the dtd var plistIndex = xml.IndexOf("" + xml; // \n\n\n\n\tcast\n\t\n\t\t\n\t\t\tname\n\t\t\tBlender Foundation\n\t\t\n\t\t\n\t\t\tname\n\t\t\tJanus Bager Kristensen\n\t\t\n\t\n\tdirectors\n\t\n\t\t\n\t\t\tname\n\t\t\tSacha Goedegebure\n\t\t\n\t\n\tstudio\n\tBlender Foundation\n\n\n using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(xml))) using (var streamReader = new StreamReader(stream)) { try { using (var reader = XmlReader.Create(streamReader)) { reader.MoveToContent(); reader.Read(); // Loop through each element while (!reader.EOF && reader.ReadState == ReadState.Interactive) { if (reader.NodeType == XmlNodeType.Element) { switch (reader.Name) { case "dict": if (reader.IsEmptyElement) { reader.Read(); continue; } using (var subtree = reader.ReadSubtree()) { ReadFromDictNode(subtree, info); } break; default: reader.Skip(); break; } } else { reader.Read(); } } } } catch (XmlException) { // I've seen probe examples where the iTunMOVI value is just "<" // So we should not allow this to fail the entire probing operation } } } private void ReadFromDictNode(XmlReader reader, MediaInfo info) { string currentKey = null; var pairs = new List(); reader.MoveToContent(); reader.Read(); // Loop through each element while (!reader.EOF && reader.ReadState == ReadState.Interactive) { if (reader.NodeType == XmlNodeType.Element) { switch (reader.Name) { case "key": if (!string.IsNullOrWhiteSpace(currentKey)) { ProcessPairs(currentKey, pairs, info); } currentKey = reader.ReadElementContentAsString(); pairs = new List(); break; case "string": var value = reader.ReadElementContentAsString(); if (!string.IsNullOrWhiteSpace(value)) { pairs.Add(new NameValuePair { Name = value, Value = value }); } break; case "array": if (reader.IsEmptyElement) { reader.Read(); continue; } using (var subtree = reader.ReadSubtree()) { if (!string.IsNullOrWhiteSpace(currentKey)) { pairs.AddRange(ReadValueArray(subtree)); } } break; default: reader.Skip(); break; } } else { reader.Read(); } } } private List ReadValueArray(XmlReader reader) { var pairs = new List(); reader.MoveToContent(); reader.Read(); // Loop through each element while (!reader.EOF && reader.ReadState == ReadState.Interactive) { if (reader.NodeType == XmlNodeType.Element) { switch (reader.Name) { case "dict": if (reader.IsEmptyElement) { reader.Read(); continue; } using (var subtree = reader.ReadSubtree()) { var dict = GetNameValuePair(subtree); if (dict != null) { pairs.Add(dict); } } break; default: reader.Skip(); break; } } else { reader.Read(); } } return pairs; } private void ProcessPairs(string key, List pairs, MediaInfo info) { IList peoples = new List(); if (string.Equals(key, "studio", StringComparison.OrdinalIgnoreCase)) { info.Studios = pairs.Select(p => p.Value) .Where(i => !string.IsNullOrWhiteSpace(i)) .Distinct(StringComparer.OrdinalIgnoreCase) .ToArray(); } else if (string.Equals(key, "screenwriters", StringComparison.OrdinalIgnoreCase)) { foreach (var pair in pairs) { peoples.Add(new BaseItemPerson { Name = pair.Value, Type = PersonType.Writer }); } } else if (string.Equals(key, "producers", StringComparison.OrdinalIgnoreCase)) { foreach (var pair in pairs) { peoples.Add(new BaseItemPerson { Name = pair.Value, Type = PersonType.Producer }); } } else if (string.Equals(key, "directors", StringComparison.OrdinalIgnoreCase)) { foreach (var pair in pairs) { peoples.Add(new BaseItemPerson { Name = pair.Value, Type = PersonType.Director }); } } info.People = peoples.ToArray(); } private NameValuePair GetNameValuePair(XmlReader reader) { string name = null; string value = null; reader.MoveToContent(); reader.Read(); // Loop through each element while (!reader.EOF && reader.ReadState == ReadState.Interactive) { if (reader.NodeType == XmlNodeType.Element) { switch (reader.Name) { case "key": name = reader.ReadElementContentAsString(); break; case "string": value = reader.ReadElementContentAsString(); break; default: reader.Skip(); break; } } else { reader.Read(); } } if (string.IsNullOrWhiteSpace(name) || string.IsNullOrWhiteSpace(value)) { return null; } return new NameValuePair { Name = name, Value = value }; } private string NormalizeSubtitleCodec(string codec) { if (string.Equals(codec, "dvb_subtitle", StringComparison.OrdinalIgnoreCase)) { codec = "dvbsub"; } else if ((codec ?? string.Empty).IndexOf("PGS", StringComparison.OrdinalIgnoreCase) != -1) { codec = "PGSSUB"; } else if ((codec ?? string.Empty).IndexOf("DVD", StringComparison.OrdinalIgnoreCase) != -1) { codec = "DVDSUB"; } return codec; } /// /// Converts ffprobe stream info to our MediaAttachment class /// /// The stream info. /// MediaAttachments. private MediaAttachment GetMediaAttachment(MediaStreamInfo streamInfo) { if (!string.Equals(streamInfo.codec_type, "attachment", StringComparison.OrdinalIgnoreCase)) { return null; } var attachment = new MediaAttachment { Codec = streamInfo.codec_name, Index = streamInfo.index }; if (!string.IsNullOrWhiteSpace(streamInfo.codec_tag_string)) { attachment.CodecTag = streamInfo.codec_tag_string; } if (streamInfo.tags != null) { attachment.Filename = GetDictionaryValue(streamInfo.tags, "filename"); attachment.MIMEType = GetDictionaryValue(streamInfo.tags, "mimetype"); attachment.Comment = GetDictionaryValue(streamInfo.tags, "comment"); } return attachment; } /// /// Converts ffprobe stream info to our MediaStream class /// /// if set to true [is info]. /// The stream info. /// The format info. /// MediaStream. private MediaStream GetMediaStream(bool isAudio, MediaStreamInfo streamInfo, MediaFormatInfo formatInfo) { // These are mp4 chapters if (string.Equals(streamInfo.codec_name, "mov_text", StringComparison.OrdinalIgnoreCase)) { // Edit: but these are also sometimes subtitles? //return null; } var stream = new MediaStream { Codec = streamInfo.codec_name, Profile = streamInfo.profile, Level = streamInfo.level, Index = streamInfo.index, PixelFormat = streamInfo.pix_fmt, NalLengthSize = streamInfo.nal_length_size, TimeBase = streamInfo.time_base, CodecTimeBase = streamInfo.codec_time_base }; if (string.Equals(streamInfo.is_avc, "true", StringComparison.OrdinalIgnoreCase) || string.Equals(streamInfo.is_avc, "1", StringComparison.OrdinalIgnoreCase)) { stream.IsAVC = true; } else if (string.Equals(streamInfo.is_avc, "false", StringComparison.OrdinalIgnoreCase) || string.Equals(streamInfo.is_avc, "0", StringComparison.OrdinalIgnoreCase)) { stream.IsAVC = false; } if (!string.IsNullOrWhiteSpace(streamInfo.field_order) && !string.Equals(streamInfo.field_order, "progressive", StringComparison.OrdinalIgnoreCase)) { stream.IsInterlaced = true; } // Filter out junk if (!string.IsNullOrWhiteSpace(streamInfo.codec_tag_string) && streamInfo.codec_tag_string.IndexOf("[0]", StringComparison.OrdinalIgnoreCase) == -1) { stream.CodecTag = streamInfo.codec_tag_string; } if (streamInfo.tags != null) { stream.Language = GetDictionaryValue(streamInfo.tags, "language"); stream.Comment = GetDictionaryValue(streamInfo.tags, "comment"); stream.Title = GetDictionaryValue(streamInfo.tags, "title"); } if (string.Equals(streamInfo.codec_type, "audio", StringComparison.OrdinalIgnoreCase)) { stream.Type = MediaStreamType.Audio; stream.Channels = streamInfo.channels; if (!string.IsNullOrEmpty(streamInfo.sample_rate)) { if (int.TryParse(streamInfo.sample_rate, NumberStyles.Any, _usCulture, out var value)) { stream.SampleRate = value; } } stream.ChannelLayout = ParseChannelLayout(streamInfo.channel_layout); if (streamInfo.bits_per_sample > 0) { stream.BitDepth = streamInfo.bits_per_sample; } else if (streamInfo.bits_per_raw_sample > 0) { stream.BitDepth = streamInfo.bits_per_raw_sample; } } else if (string.Equals(streamInfo.codec_type, "subtitle", StringComparison.OrdinalIgnoreCase)) { stream.Type = MediaStreamType.Subtitle; stream.Codec = NormalizeSubtitleCodec(stream.Codec); stream.localizedUndefined = _localization.GetLocalizedString("Undefined"); stream.localizedDefault = _localization.GetLocalizedString("Default"); stream.localizedForced = _localization.GetLocalizedString("Forced"); } else if (string.Equals(streamInfo.codec_type, "video", StringComparison.OrdinalIgnoreCase)) { stream.Type = isAudio || string.Equals(stream.Codec, "mjpeg", StringComparison.OrdinalIgnoreCase) || string.Equals(stream.Codec, "gif", StringComparison.OrdinalIgnoreCase) || string.Equals(stream.Codec, "png", StringComparison.OrdinalIgnoreCase) ? MediaStreamType.EmbeddedImage : MediaStreamType.Video; stream.AverageFrameRate = GetFrameRate(streamInfo.avg_frame_rate); stream.RealFrameRate = GetFrameRate(streamInfo.r_frame_rate); if (isAudio || string.Equals(stream.Codec, "gif", StringComparison.OrdinalIgnoreCase) || string.Equals(stream.Codec, "png", StringComparison.OrdinalIgnoreCase)) { stream.Type = MediaStreamType.EmbeddedImage; } else if (string.Equals(stream.Codec, "mjpeg", StringComparison.OrdinalIgnoreCase)) { // How to differentiate between video and embedded image? // The only difference I've seen thus far is presence of codec tag, also embedded images have high (unusual) framerates if (!string.IsNullOrWhiteSpace(stream.CodecTag)) { stream.Type = MediaStreamType.Video; } else { stream.Type = MediaStreamType.EmbeddedImage; } } else { stream.Type = MediaStreamType.Video; } stream.Width = streamInfo.width; stream.Height = streamInfo.height; stream.AspectRatio = GetAspectRatio(streamInfo); if (streamInfo.bits_per_sample > 0) { stream.BitDepth = streamInfo.bits_per_sample; } else if (streamInfo.bits_per_raw_sample > 0) { stream.BitDepth = streamInfo.bits_per_raw_sample; } //stream.IsAnamorphic = string.Equals(streamInfo.sample_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase) || // string.Equals(stream.AspectRatio, "2.35:1", StringComparison.OrdinalIgnoreCase) || // string.Equals(stream.AspectRatio, "2.40:1", StringComparison.OrdinalIgnoreCase); // http://stackoverflow.com/questions/17353387/how-to-detect-anamorphic-video-with-ffprobe stream.IsAnamorphic = string.Equals(streamInfo.sample_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase); if (streamInfo.refs > 0) { stream.RefFrames = streamInfo.refs; } } else { return null; } // Get stream bitrate var bitrate = 0; if (!string.IsNullOrEmpty(streamInfo.bit_rate)) { if (int.TryParse(streamInfo.bit_rate, NumberStyles.Any, _usCulture, out var value)) { bitrate = value; } } if (bitrate == 0 && formatInfo != null && !string.IsNullOrEmpty(formatInfo.bit_rate) && stream.Type == MediaStreamType.Video) { // If the stream info doesn't have a bitrate get the value from the media format info if (int.TryParse(formatInfo.bit_rate, NumberStyles.Any, _usCulture, out var value)) { bitrate = value; } } if (bitrate > 0) { stream.BitRate = bitrate; } if (streamInfo.disposition != null) { var isDefault = GetDictionaryValue(streamInfo.disposition, "default"); var isForced = GetDictionaryValue(streamInfo.disposition, "forced"); stream.IsDefault = string.Equals(isDefault, "1", StringComparison.OrdinalIgnoreCase); stream.IsForced = string.Equals(isForced, "1", StringComparison.OrdinalIgnoreCase); } NormalizeStreamTitle(stream); return stream; } private void NormalizeStreamTitle(MediaStream stream) { if (string.Equals(stream.Title, "cc", StringComparison.OrdinalIgnoreCase)) { stream.Title = null; } if (stream.Type == MediaStreamType.EmbeddedImage) { stream.Title = null; } } /// /// Gets a string from an FFProbeResult tags dictionary /// /// The tags. /// The key. /// System.String. private string GetDictionaryValue(Dictionary tags, string key) { if (tags == null) { return null; } tags.TryGetValue(key, out var val); return val; } private string ParseChannelLayout(string input) { if (string.IsNullOrEmpty(input)) { return input; } return input.Split('(').FirstOrDefault(); } private string GetAspectRatio(MediaStreamInfo info) { var original = info.display_aspect_ratio; var parts = (original ?? string.Empty).Split(':'); if (!(parts.Length == 2 && int.TryParse(parts[0], NumberStyles.Any, _usCulture, out var width) && int.TryParse(parts[1], NumberStyles.Any, _usCulture, out var height) && width > 0 && height > 0)) { width = info.width; height = info.height; } if (width > 0 && height > 0) { double ratio = width; ratio /= height; if (IsClose(ratio, 1.777777778, .03)) { return "16:9"; } if (IsClose(ratio, 1.3333333333, .05)) { return "4:3"; } if (IsClose(ratio, 1.41)) { return "1.41:1"; } if (IsClose(ratio, 1.5)) { return "1.5:1"; } if (IsClose(ratio, 1.6)) { return "1.6:1"; } if (IsClose(ratio, 1.66666666667)) { return "5:3"; } if (IsClose(ratio, 1.85, .02)) { return "1.85:1"; } if (IsClose(ratio, 2.35, .025)) { return "2.35:1"; } if (IsClose(ratio, 2.4, .025)) { return "2.40:1"; } } return original; } private bool IsClose(double d1, double d2, double variance = .005) { return Math.Abs(d1 - d2) <= variance; } /// /// Gets a frame rate from a string value in ffprobe output /// This could be a number or in the format of 2997/125. /// /// The value. /// System.Nullable{System.Single}. private float? GetFrameRate(string value) { if (!string.IsNullOrEmpty(value)) { var parts = value.Split('/'); float result; if (parts.Length == 2) { result = float.Parse(parts[0], _usCulture) / float.Parse(parts[1], _usCulture); } else { result = float.Parse(parts[0], _usCulture); } return float.IsNaN(result) ? (float?)null : result; } return null; } private void SetAudioRuntimeTicks(InternalMediaInfoResult result, MediaInfo data) { if (result.streams != null) { // Get the first info stream var stream = result.streams.FirstOrDefault(s => string.Equals(s.codec_type, "audio", StringComparison.OrdinalIgnoreCase)); if (stream != null) { // Get duration from stream properties var duration = stream.duration; // If it's not there go into format properties if (string.IsNullOrEmpty(duration)) { duration = result.format.duration; } // If we got something, parse it if (!string.IsNullOrEmpty(duration)) { data.RunTimeTicks = TimeSpan.FromSeconds(double.Parse(duration, _usCulture)).Ticks; } } } } private void SetSize(InternalMediaInfoResult data, MediaInfo info) { if (data.format != null) { if (!string.IsNullOrEmpty(data.format.size)) { info.Size = long.Parse(data.format.size, _usCulture); } else { info.Size = null; } } } private void SetAudioInfoFromTags(MediaInfo audio, Dictionary tags) { var composer = FFProbeHelpers.GetDictionaryValue(tags, "composer"); if (!string.IsNullOrWhiteSpace(composer)) { var peoples = new List(); foreach (var person in Split(composer, false)) { peoples.Add(new BaseItemPerson { Name = person, Type = PersonType.Composer }); } audio.People = peoples.ToArray(); } //var conductor = FFProbeHelpers.GetDictionaryValue(tags, "conductor"); //if (!string.IsNullOrWhiteSpace(conductor)) //{ // foreach (var person in Split(conductor, false)) // { // audio.People.Add(new BaseItemPerson { Name = person, Type = PersonType.Conductor }); // } //} //var lyricist = FFProbeHelpers.GetDictionaryValue(tags, "lyricist"); //if (!string.IsNullOrWhiteSpace(lyricist)) //{ // foreach (var person in Split(lyricist, false)) // { // audio.People.Add(new BaseItemPerson { Name = person, Type = PersonType.Lyricist }); // } //} // Check for writer some music is tagged that way as alternative to composer/lyricist var writer = FFProbeHelpers.GetDictionaryValue(tags, "writer"); if (!string.IsNullOrWhiteSpace(writer)) { var peoples = new List(); foreach (var person in Split(writer, false)) { peoples.Add(new BaseItemPerson { Name = person, Type = PersonType.Writer }); } audio.People = peoples.ToArray(); } audio.Album = FFProbeHelpers.GetDictionaryValue(tags, "album"); var artists = FFProbeHelpers.GetDictionaryValue(tags, "artists"); if (!string.IsNullOrWhiteSpace(artists)) { audio.Artists = SplitArtists(artists, new[] { '/', ';' }, false) .DistinctNames() .ToArray(); } else { var artist = FFProbeHelpers.GetDictionaryValue(tags, "artist"); if (string.IsNullOrWhiteSpace(artist)) { audio.Artists = new string[] { }; } else { audio.Artists = SplitArtists(artist, _nameDelimiters, true) .DistinctNames() .ToArray(); } } var albumArtist = FFProbeHelpers.GetDictionaryValue(tags, "albumartist"); if (string.IsNullOrWhiteSpace(albumArtist)) { albumArtist = FFProbeHelpers.GetDictionaryValue(tags, "album artist"); } if (string.IsNullOrWhiteSpace(albumArtist)) { albumArtist = FFProbeHelpers.GetDictionaryValue(tags, "album_artist"); } if (string.IsNullOrWhiteSpace(albumArtist)) { audio.AlbumArtists = new string[] { }; } else { audio.AlbumArtists = SplitArtists(albumArtist, _nameDelimiters, true) .DistinctNames() .ToArray(); } if (audio.AlbumArtists.Length == 0) { audio.AlbumArtists = audio.Artists; } // Track number audio.IndexNumber = GetDictionaryDiscValue(tags, "track"); // Disc number audio.ParentIndexNumber = GetDictionaryDiscValue(tags, "disc"); // If we don't have a ProductionYear try and get it from PremiereDate if (audio.PremiereDate.HasValue && !audio.ProductionYear.HasValue) { audio.ProductionYear = audio.PremiereDate.Value.ToLocalTime().Year; } // There's several values in tags may or may not be present FetchStudios(audio, tags, "organization"); FetchStudios(audio, tags, "ensemble"); FetchStudios(audio, tags, "publisher"); FetchStudios(audio, tags, "label"); // These support mulitple values, but for now we only store the first. var mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MusicBrainz Album Artist Id")); if (mb == null) mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MUSICBRAINZ_ALBUMARTISTID")); audio.SetProviderId(MetadataProviders.MusicBrainzAlbumArtist, mb); mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MusicBrainz Artist Id")); if (mb == null) mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MUSICBRAINZ_ARTISTID")); audio.SetProviderId(MetadataProviders.MusicBrainzArtist, mb); mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MusicBrainz Album Id")); if (mb == null) mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MUSICBRAINZ_ALBUMID")); audio.SetProviderId(MetadataProviders.MusicBrainzAlbum, mb); mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MusicBrainz Release Group Id")); if (mb == null) mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MUSICBRAINZ_RELEASEGROUPID")); audio.SetProviderId(MetadataProviders.MusicBrainzReleaseGroup, mb); mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MusicBrainz Release Track Id")); if (mb == null) mb = GetMultipleMusicBrainzId(FFProbeHelpers.GetDictionaryValue(tags, "MUSICBRAINZ_RELEASETRACKID")); audio.SetProviderId(MetadataProviders.MusicBrainzTrack, mb); } private string GetMultipleMusicBrainzId(string value) { if (string.IsNullOrWhiteSpace(value)) { return null; } return value.Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries) .Select(i => i.Trim()) .FirstOrDefault(i => !string.IsNullOrWhiteSpace(i)); } private readonly char[] _nameDelimiters = { '/', '|', ';', '\\' }; /// /// Splits the specified val. /// /// The val. /// if set to true [allow comma delimiter]. /// System.String[][]. private IEnumerable Split(string val, bool allowCommaDelimiter) { // Only use the comma as a delimeter if there are no slashes or pipes. // We want to be careful not to split names that have commas in them var delimeter = !allowCommaDelimiter || _nameDelimiters.Any(i => val.IndexOf(i) != -1) ? _nameDelimiters : new[] { ',' }; return val.Split(delimeter, StringSplitOptions.RemoveEmptyEntries) .Where(i => !string.IsNullOrWhiteSpace(i)) .Select(i => i.Trim()); } private const string ArtistReplaceValue = " | "; private IEnumerable SplitArtists(string val, char[] delimiters, bool splitFeaturing) { if (splitFeaturing) { val = val.Replace(" featuring ", ArtistReplaceValue, StringComparison.OrdinalIgnoreCase) .Replace(" feat. ", ArtistReplaceValue, StringComparison.OrdinalIgnoreCase); } var artistsFound = new List(); foreach (var whitelistArtist in GetSplitWhitelist()) { var originalVal = val; val = val.Replace(whitelistArtist, "|", StringComparison.OrdinalIgnoreCase); if (!string.Equals(originalVal, val, StringComparison.OrdinalIgnoreCase)) { artistsFound.Add(whitelistArtist); } } var artists = val.Split(delimiters, StringSplitOptions.RemoveEmptyEntries) .Where(i => !string.IsNullOrWhiteSpace(i)) .Select(i => i.Trim()); artistsFound.AddRange(artists); return artistsFound; } private List _splitWhiteList = null; private IEnumerable GetSplitWhitelist() { if (_splitWhiteList == null) { _splitWhiteList = new List { "AC/DC" }; } return _splitWhiteList; } /// /// Gets the studios from the tags collection /// /// The info. /// The tags. /// Name of the tag. private void FetchStudios(MediaInfo info, Dictionary tags, string tagName) { var val = FFProbeHelpers.GetDictionaryValue(tags, tagName); if (!string.IsNullOrEmpty(val)) { var studios = Split(val, true); var studioList = new List(); foreach (var studio in studios) { // Sometimes the artist name is listed here, account for that if (info.Artists.Contains(studio, StringComparer.OrdinalIgnoreCase)) { continue; } if (info.AlbumArtists.Contains(studio, StringComparer.OrdinalIgnoreCase)) { continue; } studioList.Add(studio); } info.Studios = studioList .Where(i => !string.IsNullOrWhiteSpace(i)) .Distinct(StringComparer.OrdinalIgnoreCase) .ToArray(); } } /// /// Gets the genres from the tags collection /// /// The information. /// The tags. private void FetchGenres(MediaInfo info, Dictionary tags) { var val = FFProbeHelpers.GetDictionaryValue(tags, "genre"); if (!string.IsNullOrEmpty(val)) { var genres = new List(info.Genres); foreach (var genre in Split(val, true)) { genres.Add(genre); } info.Genres = genres .Where(i => !string.IsNullOrWhiteSpace(i)) .Distinct(StringComparer.OrdinalIgnoreCase) .ToArray(); } } /// /// Gets the disc number, which is sometimes can be in the form of '1', or '1/3' /// /// The tags. /// Name of the tag. /// System.Nullable{System.Int32}. private int? GetDictionaryDiscValue(Dictionary tags, string tagName) { var disc = FFProbeHelpers.GetDictionaryValue(tags, tagName); if (!string.IsNullOrEmpty(disc)) { disc = disc.Split('/')[0]; if (int.TryParse(disc, out var num)) { return num; } } return null; } private ChapterInfo GetChapterInfo(MediaChapter chapter) { var info = new ChapterInfo(); if (chapter.tags != null) { if (chapter.tags.TryGetValue("title", out string name)) { info.Name = name; } } // Limit accuracy to milliseconds to match xml saving var secondsString = chapter.start_time; if (double.TryParse(secondsString, NumberStyles.Any, CultureInfo.InvariantCulture, out var seconds)) { var ms = Math.Round(TimeSpan.FromSeconds(seconds).TotalMilliseconds); info.StartPositionTicks = TimeSpan.FromMilliseconds(ms).Ticks; } return info; } private const int MaxSubtitleDescriptionExtractionLength = 100; // When extracting subtitles, the maximum length to consider (to avoid invalid filenames) private void FetchWtvInfo(MediaInfo video, InternalMediaInfoResult data) { if (data.format == null || data.format.tags == null) { return; } var genres = FFProbeHelpers.GetDictionaryValue(data.format.tags, "WM/Genre"); if (!string.IsNullOrWhiteSpace(genres)) { var genreList = genres.Split(new[] { ';', '/', ',' }, StringSplitOptions.RemoveEmptyEntries) .Where(i => !string.IsNullOrWhiteSpace(i)) .Select(i => i.Trim()) .ToList(); // If this is empty then don't overwrite genres that might have been fetched earlier if (genreList.Count > 0) { video.Genres = genreList.ToArray(); } } var officialRating = FFProbeHelpers.GetDictionaryValue(data.format.tags, "WM/ParentalRating"); if (!string.IsNullOrWhiteSpace(officialRating)) { video.OfficialRating = officialRating; } var people = FFProbeHelpers.GetDictionaryValue(data.format.tags, "WM/MediaCredits"); if (!string.IsNullOrEmpty(people)) { video.People = people.Split(new[] { ';', '/' }, StringSplitOptions.RemoveEmptyEntries) .Where(i => !string.IsNullOrWhiteSpace(i)) .Select(i => new BaseItemPerson { Name = i.Trim(), Type = PersonType.Actor }) .ToArray(); } var year = FFProbeHelpers.GetDictionaryValue(data.format.tags, "WM/OriginalReleaseTime"); if (!string.IsNullOrWhiteSpace(year)) { if (int.TryParse(year, NumberStyles.Integer, _usCulture, out var val)) { video.ProductionYear = val; } } var premiereDateString = FFProbeHelpers.GetDictionaryValue(data.format.tags, "WM/MediaOriginalBroadcastDateTime"); if (!string.IsNullOrWhiteSpace(premiereDateString)) { // Credit to MCEBuddy: https://mcebuddy2x.codeplex.com/ // DateTime is reported along with timezone info (typically Z i.e. UTC hence assume None) if (DateTime.TryParse(year, null, DateTimeStyles.None, out var val)) { video.PremiereDate = val.ToUniversalTime(); } } var description = FFProbeHelpers.GetDictionaryValue(data.format.tags, "WM/SubTitleDescription"); var subTitle = FFProbeHelpers.GetDictionaryValue(data.format.tags, "WM/SubTitle"); // For below code, credit to MCEBuddy: https://mcebuddy2x.codeplex.com/ // Sometimes for TV Shows the Subtitle field is empty and the subtitle description contains the subtitle, extract if possible. See ticket https://mcebuddy2x.codeplex.com/workitem/1910 // The format is -> EPISODE/TOTAL_EPISODES_IN_SEASON. SUBTITLE: DESCRIPTION // OR -> COMMENT. SUBTITLE: DESCRIPTION // e.g. -> 4/13. The Doctor's Wife: Science fiction drama. When he follows a Time Lord distress signal, the Doctor puts Amy, Rory and his beloved TARDIS in grave danger. Also in HD. [AD,S] // e.g. -> CBeebies Bedtime Hour. The Mystery: Animated adventures of two friends who live on an island in the middle of the big city. Some of Abney and Teal's favourite objects are missing. [S] if (string.IsNullOrWhiteSpace(subTitle) && !string.IsNullOrWhiteSpace(description) && description.Substring(0, Math.Min(description.Length, MaxSubtitleDescriptionExtractionLength)).Contains(":")) // Check within the Subtitle size limit, otherwise from description it can get too long creating an invalid filename { string[] parts = description.Split(':'); if (parts.Length > 0) { string subtitle = parts[0]; try { if (subtitle.Contains("/")) // It contains a episode number and season number { string[] numbers = subtitle.Split(' '); video.IndexNumber = int.Parse(numbers[0].Replace(".", "").Split('/')[0]); int totalEpisodesInSeason = int.Parse(numbers[0].Replace(".", "").Split('/')[1]); description = string.Join(" ", numbers, 1, numbers.Length - 1).Trim(); // Skip the first, concatenate the rest, clean up spaces and save it } else throw new Exception(); // Switch to default parsing } catch // Default parsing { if (subtitle.Contains(".")) // skip the comment, keep the subtitle description = string.Join(".", subtitle.Split('.'), 1, subtitle.Split('.').Length - 1).Trim(); // skip the first else description = subtitle.Trim(); // Clean up whitespaces and save it } } } if (!string.IsNullOrWhiteSpace(description)) { video.Overview = description; } } private void ExtractTimestamp(MediaInfo video) { if (video.VideoType == VideoType.VideoFile) { if (string.Equals(video.Container, "mpeg2ts", StringComparison.OrdinalIgnoreCase) || string.Equals(video.Container, "m2ts", StringComparison.OrdinalIgnoreCase) || string.Equals(video.Container, "ts", StringComparison.OrdinalIgnoreCase)) { try { video.Timestamp = GetMpegTimestamp(video.Path); _logger.LogDebug("Video has {timestamp} timestamp", video.Timestamp); } catch (Exception ex) { _logger.LogError(ex, "Error extracting timestamp info from {path}", video.Path); video.Timestamp = null; } } } } private TransportStreamTimestamp GetMpegTimestamp(string path) { var packetBuffer = new byte['Å']; using (var fs = _fileSystem.GetFileStream(path, FileOpenMode.Open, FileAccessMode.Read, FileShareMode.Read)) { fs.Read(packetBuffer, 0, packetBuffer.Length); } if (packetBuffer[0] == 71) { return TransportStreamTimestamp.None; } if ((packetBuffer[4] == 71) && (packetBuffer['Ä'] == 71)) { if ((packetBuffer[0] == 0) && (packetBuffer[1] == 0) && (packetBuffer[2] == 0) && (packetBuffer[3] == 0)) { return TransportStreamTimestamp.Zero; } return TransportStreamTimestamp.Valid; } return TransportStreamTimestamp.None; } } }