mirror of
https://github.com/jellyfin/jellyfin.git
synced 2024-11-16 10:29:01 -07:00
1370 lines
51 KiB
C#
1370 lines
51 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Xml;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Extensions;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.MediaInfo;
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using Microsoft.Extensions.Logging;
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namespace MediaBrowser.MediaEncoding.Probing
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{
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public class ProbeResultNormalizer
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{
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private readonly CultureInfo _usCulture = new CultureInfo("en-US");
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private readonly ILogger _logger;
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private readonly IFileSystem _fileSystem;
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public ProbeResultNormalizer(ILogger logger, IFileSystem fileSystem)
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{
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_logger = logger;
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_fileSystem = fileSystem;
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}
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public MediaInfo GetMediaInfo(InternalMediaInfoResult data, VideoType? videoType, bool isAudio, string path, MediaProtocol protocol)
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{
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var info = new MediaInfo
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{
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Path = path,
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Protocol = protocol
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};
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FFProbeHelpers.NormalizeFFProbeResult(data);
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SetSize(data, info);
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var internalStreams = data.streams ?? new MediaStreamInfo[] { };
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info.MediaStreams = internalStreams.Select(s => GetMediaStream(isAudio, s, data.format))
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.Where(i => i != null)
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// 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
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.Where(i => i.Type != MediaStreamType.Subtitle || !string.IsNullOrWhiteSpace(i.Codec))
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.ToList();
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if (data.format != null)
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{
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info.Container = NormalizeFormat(data.format.format_name);
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if (!string.IsNullOrEmpty(data.format.bit_rate))
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{
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if (int.TryParse(data.format.bit_rate, NumberStyles.Any, _usCulture, out var value))
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{
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info.Bitrate = value;
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}
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}
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}
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var tags = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
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var tagStreamType = isAudio ? "audio" : "video";
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if (data.streams != null)
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{
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var tagStream = data.streams.FirstOrDefault(i => string.Equals(i.codec_type, tagStreamType, StringComparison.OrdinalIgnoreCase));
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if (tagStream != null && tagStream.tags != null)
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{
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foreach (var pair in tagStream.tags)
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{
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tags[pair.Key] = pair.Value;
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}
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}
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}
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if (data.format != null && data.format.tags != null)
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{
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foreach (var pair in data.format.tags)
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{
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tags[pair.Key] = pair.Value;
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}
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}
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FetchGenres(info, tags);
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var overview = FFProbeHelpers.GetDictionaryValue(tags, "synopsis");
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if (string.IsNullOrWhiteSpace(overview))
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{
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overview = FFProbeHelpers.GetDictionaryValue(tags, "description");
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}
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if (string.IsNullOrWhiteSpace(overview))
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{
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overview = FFProbeHelpers.GetDictionaryValue(tags, "desc");
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}
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if (!string.IsNullOrWhiteSpace(overview))
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{
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info.Overview = overview;
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}
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var title = FFProbeHelpers.GetDictionaryValue(tags, "title");
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if (!string.IsNullOrWhiteSpace(title))
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{
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info.Name = title;
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}
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info.ProductionYear = FFProbeHelpers.GetDictionaryNumericValue(tags, "date");
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// Several different forms of retaildate
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info.PremiereDate = FFProbeHelpers.GetDictionaryDateTime(tags, "retaildate") ??
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FFProbeHelpers.GetDictionaryDateTime(tags, "retail date") ??
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FFProbeHelpers.GetDictionaryDateTime(tags, "retail_date") ??
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FFProbeHelpers.GetDictionaryDateTime(tags, "date");
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if (isAudio)
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{
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SetAudioRuntimeTicks(data, info);
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// tags are normally located under data.format, but we've seen some cases with ogg where they're part of the info stream
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// so let's create a combined list of both
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SetAudioInfoFromTags(info, tags);
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}
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else
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{
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FetchStudios(info, tags, "copyright");
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var iTunEXTC = FFProbeHelpers.GetDictionaryValue(tags, "iTunEXTC");
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if (!string.IsNullOrWhiteSpace(iTunEXTC))
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{
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var parts = iTunEXTC.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
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// Example
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// mpaa|G|100|For crude humor
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if (parts.Length > 1)
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{
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info.OfficialRating = parts[1];
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if (parts.Length > 3)
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{
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info.OfficialRatingDescription = parts[3];
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}
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}
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}
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var itunesXml = FFProbeHelpers.GetDictionaryValue(tags, "iTunMOVI");
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if (!string.IsNullOrWhiteSpace(itunesXml))
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{
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FetchFromItunesInfo(itunesXml, info);
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}
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if (data.format != null && !string.IsNullOrEmpty(data.format.duration))
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{
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info.RunTimeTicks = TimeSpan.FromSeconds(double.Parse(data.format.duration, _usCulture)).Ticks;
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}
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FetchWtvInfo(info, data);
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if (data.Chapters != null)
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{
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info.Chapters = data.Chapters.Select(GetChapterInfo).ToArray();
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}
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ExtractTimestamp(info);
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var stereoMode = GetDictionaryValue(tags, "stereo_mode");
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if (string.Equals(stereoMode, "left_right", StringComparison.OrdinalIgnoreCase))
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{
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info.Video3DFormat = Video3DFormat.FullSideBySide;
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}
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foreach (var mediaStream in info.MediaStreams)
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{
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if (mediaStream.Type == MediaStreamType.Audio && !mediaStream.BitRate.HasValue)
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{
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mediaStream.BitRate = GetEstimatedAudioBitrate(mediaStream.Codec, mediaStream.Channels);
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}
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}
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var videoStreamsBitrate = info.MediaStreams.Where(i => i.Type == MediaStreamType.Video).Select(i => i.BitRate ?? 0).Sum();
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// If ffprobe reported the container bitrate as being the same as the video stream bitrate, then it's wrong
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if (videoStreamsBitrate == (info.Bitrate ?? 0))
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{
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info.InferTotalBitrate(true);
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}
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}
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return info;
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}
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private string NormalizeFormat(string format)
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{
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if (string.IsNullOrWhiteSpace(format))
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{
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return null;
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}
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if (string.Equals(format, "mpegvideo", StringComparison.OrdinalIgnoreCase))
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{
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return "mpeg";
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}
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format = format.Replace("matroska", "mkv", StringComparison.OrdinalIgnoreCase);
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return format;
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}
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private int? GetEstimatedAudioBitrate(string codec, int? channels)
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{
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if (!channels.HasValue)
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{
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return null;
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}
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var channelsValue = channels.Value;
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if (string.Equals(codec, "aac", StringComparison.OrdinalIgnoreCase) ||
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string.Equals(codec, "mp3", StringComparison.OrdinalIgnoreCase))
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{
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if (channelsValue <= 2)
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{
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return 192000;
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}
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if (channelsValue >= 5)
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{
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return 320000;
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}
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}
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return null;
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}
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private void FetchFromItunesInfo(string xml, MediaInfo info)
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{
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// Make things simpler and strip out the dtd
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var plistIndex = xml.IndexOf("<plist", StringComparison.OrdinalIgnoreCase);
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if (plistIndex != -1)
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{
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xml = xml.Substring(plistIndex);
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}
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xml = "<?xml version=\"1.0\"?>" + xml;
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// <?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n<plist version=\"1.0\">\n<dict>\n\t<key>cast</key>\n\t<array>\n\t\t<dict>\n\t\t\t<key>name</key>\n\t\t\t<string>Blender Foundation</string>\n\t\t</dict>\n\t\t<dict>\n\t\t\t<key>name</key>\n\t\t\t<string>Janus Bager Kristensen</string>\n\t\t</dict>\n\t</array>\n\t<key>directors</key>\n\t<array>\n\t\t<dict>\n\t\t\t<key>name</key>\n\t\t\t<string>Sacha Goedegebure</string>\n\t\t</dict>\n\t</array>\n\t<key>studio</key>\n\t<string>Blender Foundation</string>\n</dict>\n</plist>\n
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using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(xml)))
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using (var streamReader = new StreamReader(stream))
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{
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try
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{
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using (var reader = XmlReader.Create(streamReader))
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{
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reader.MoveToContent();
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reader.Read();
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// Loop through each element
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while (!reader.EOF && reader.ReadState == ReadState.Interactive)
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{
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if (reader.NodeType == XmlNodeType.Element)
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{
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switch (reader.Name)
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{
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case "dict":
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if (reader.IsEmptyElement)
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{
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reader.Read();
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continue;
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}
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using (var subtree = reader.ReadSubtree())
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{
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ReadFromDictNode(subtree, info);
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}
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break;
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default:
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reader.Skip();
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break;
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}
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}
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else
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{
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reader.Read();
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}
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}
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}
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}
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catch (XmlException)
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{
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// I've seen probe examples where the iTunMOVI value is just "<"
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// So we should not allow this to fail the entire probing operation
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}
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}
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}
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private void ReadFromDictNode(XmlReader reader, MediaInfo info)
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{
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string currentKey = null;
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var pairs = new List<NameValuePair>();
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reader.MoveToContent();
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reader.Read();
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// Loop through each element
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while (!reader.EOF && reader.ReadState == ReadState.Interactive)
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{
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if (reader.NodeType == XmlNodeType.Element)
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{
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switch (reader.Name)
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{
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case "key":
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if (!string.IsNullOrWhiteSpace(currentKey))
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{
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ProcessPairs(currentKey, pairs, info);
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}
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currentKey = reader.ReadElementContentAsString();
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pairs = new List<NameValuePair>();
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break;
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case "string":
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var value = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(value))
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{
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pairs.Add(new NameValuePair
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{
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Name = value,
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Value = value
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});
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}
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break;
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case "array":
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if (reader.IsEmptyElement)
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{
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reader.Read();
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continue;
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}
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using (var subtree = reader.ReadSubtree())
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{
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if (!string.IsNullOrWhiteSpace(currentKey))
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{
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pairs.AddRange(ReadValueArray(subtree));
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}
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}
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break;
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default:
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reader.Skip();
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break;
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}
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}
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else
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{
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reader.Read();
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}
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}
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}
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private List<NameValuePair> ReadValueArray(XmlReader reader)
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{
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var pairs = new List<NameValuePair>();
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reader.MoveToContent();
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reader.Read();
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// Loop through each element
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while (!reader.EOF && reader.ReadState == ReadState.Interactive)
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{
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if (reader.NodeType == XmlNodeType.Element)
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{
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switch (reader.Name)
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{
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case "dict":
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if (reader.IsEmptyElement)
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{
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reader.Read();
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continue;
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}
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using (var subtree = reader.ReadSubtree())
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{
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var dict = GetNameValuePair(subtree);
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if (dict != null)
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{
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pairs.Add(dict);
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}
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}
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break;
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default:
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reader.Skip();
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break;
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}
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}
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else
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{
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reader.Read();
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}
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}
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return pairs;
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}
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private void ProcessPairs(string key, List<NameValuePair> pairs, MediaInfo info)
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{
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IList<BaseItemPerson> peoples = new List<BaseItemPerson>();
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if (string.Equals(key, "studio", StringComparison.OrdinalIgnoreCase))
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{
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info.Studios = pairs.Select(p => p.Value)
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.Where(i => !string.IsNullOrWhiteSpace(i))
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.Distinct(StringComparer.OrdinalIgnoreCase)
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.ToArray();
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}
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else if (string.Equals(key, "screenwriters", StringComparison.OrdinalIgnoreCase))
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{
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foreach (var pair in pairs)
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{
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peoples.Add(new BaseItemPerson
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{
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Name = pair.Value,
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Type = PersonType.Writer
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});
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}
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}
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else if (string.Equals(key, "producers", StringComparison.OrdinalIgnoreCase))
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{
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foreach (var pair in pairs)
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{
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peoples.Add(new BaseItemPerson
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{
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Name = pair.Value,
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Type = PersonType.Producer
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});
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}
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}
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else if (string.Equals(key, "directors", StringComparison.OrdinalIgnoreCase))
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{
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foreach (var pair in pairs)
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{
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peoples.Add(new BaseItemPerson
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{
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Name = pair.Value,
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Type = PersonType.Director
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});
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}
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}
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info.People = peoples.ToArray();
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}
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private NameValuePair GetNameValuePair(XmlReader reader)
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{
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string name = null;
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string value = null;
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reader.MoveToContent();
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reader.Read();
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// Loop through each element
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while (!reader.EOF && reader.ReadState == ReadState.Interactive)
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{
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if (reader.NodeType == XmlNodeType.Element)
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{
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switch (reader.Name)
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{
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case "key":
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name = reader.ReadElementContentAsString();
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break;
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case "string":
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value = reader.ReadElementContentAsString();
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break;
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default:
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reader.Skip();
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break;
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}
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}
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else
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{
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reader.Read();
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}
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}
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if (string.IsNullOrWhiteSpace(name) ||
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string.IsNullOrWhiteSpace(value))
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{
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return null;
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}
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return new NameValuePair
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{
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Name = name,
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Value = value
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};
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}
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private string NormalizeSubtitleCodec(string codec)
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{
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if (string.Equals(codec, "dvb_subtitle", StringComparison.OrdinalIgnoreCase))
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{
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codec = "dvbsub";
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}
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else if ((codec ?? string.Empty).IndexOf("PGS", StringComparison.OrdinalIgnoreCase) != -1)
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{
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codec = "PGSSUB";
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}
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else if ((codec ?? string.Empty).IndexOf("DVD", StringComparison.OrdinalIgnoreCase) != -1)
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{
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codec = "DVDSUB";
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}
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return codec;
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}
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|
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/// <summary>
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/// Converts ffprobe stream info to our MediaStream class
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/// </summary>
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/// <param name="isAudio">if set to <c>true</c> [is info].</param>
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/// <param name="streamInfo">The stream info.</param>
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/// <param name="formatInfo">The format info.</param>
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/// <returns>MediaStream.</returns>
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private MediaStream GetMediaStream(bool isAudio, MediaStreamInfo streamInfo, MediaFormatInfo formatInfo)
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{
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// These are mp4 chapters
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if (string.Equals(streamInfo.codec_name, "mov_text", StringComparison.OrdinalIgnoreCase))
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{
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// Edit: but these are also sometimes subtitles?
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//return null;
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}
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var stream = new MediaStream
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{
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Codec = streamInfo.codec_name,
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Profile = streamInfo.profile,
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Level = streamInfo.level,
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Index = streamInfo.index,
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PixelFormat = streamInfo.pix_fmt,
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NalLengthSize = streamInfo.nal_length_size,
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TimeBase = streamInfo.time_base,
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CodecTimeBase = streamInfo.codec_time_base
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};
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if (string.Equals(streamInfo.is_avc, "true", StringComparison.OrdinalIgnoreCase) ||
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string.Equals(streamInfo.is_avc, "1", StringComparison.OrdinalIgnoreCase))
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{
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stream.IsAVC = true;
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}
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else if (string.Equals(streamInfo.is_avc, "false", StringComparison.OrdinalIgnoreCase) ||
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string.Equals(streamInfo.is_avc, "0", StringComparison.OrdinalIgnoreCase))
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{
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stream.IsAVC = false;
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}
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if (!string.IsNullOrWhiteSpace(streamInfo.field_order) && !string.Equals(streamInfo.field_order, "progressive", StringComparison.OrdinalIgnoreCase))
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{
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stream.IsInterlaced = true;
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}
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|
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// Filter out junk
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if (!string.IsNullOrWhiteSpace(streamInfo.codec_tag_string) && streamInfo.codec_tag_string.IndexOf("[0]", StringComparison.OrdinalIgnoreCase) == -1)
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{
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stream.CodecTag = streamInfo.codec_tag_string;
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}
|
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|
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if (streamInfo.tags != null)
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{
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stream.Language = GetDictionaryValue(streamInfo.tags, "language");
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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);
|
|
}
|
|
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;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a string from an FFProbeResult tags dictionary
|
|
/// </summary>
|
|
/// <param name="tags">The tags.</param>
|
|
/// <param name="key">The key.</param>
|
|
/// <returns>System.String.</returns>
|
|
private string GetDictionaryValue(Dictionary<string, string> 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;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a frame rate from a string value in ffprobe output
|
|
/// This could be a number or in the format of 2997/125.
|
|
/// </summary>
|
|
/// <param name="value">The value.</param>
|
|
/// <returns>System.Nullable{System.Single}.</returns>
|
|
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<string, string> tags)
|
|
{
|
|
var composer = FFProbeHelpers.GetDictionaryValue(tags, "composer");
|
|
if (!string.IsNullOrWhiteSpace(composer))
|
|
{
|
|
var peoples = new List<BaseItemPerson>();
|
|
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<BaseItemPerson>();
|
|
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 = { '/', '|', ';', '\\' };
|
|
|
|
/// <summary>
|
|
/// Splits the specified val.
|
|
/// </summary>
|
|
/// <param name="val">The val.</param>
|
|
/// <param name="allowCommaDelimiter">if set to <c>true</c> [allow comma delimiter].</param>
|
|
/// <returns>System.String[][].</returns>
|
|
private IEnumerable<string> 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<string> 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<string>();
|
|
|
|
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<string> _splitWhiteList = null;
|
|
|
|
private IEnumerable<string> GetSplitWhitelist()
|
|
{
|
|
if (_splitWhiteList == null)
|
|
{
|
|
_splitWhiteList = new List<string>
|
|
{
|
|
"AC/DC"
|
|
};
|
|
}
|
|
|
|
return _splitWhiteList;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the studios from the tags collection
|
|
/// </summary>
|
|
/// <param name="info">The info.</param>
|
|
/// <param name="tags">The tags.</param>
|
|
/// <param name="tagName">Name of the tag.</param>
|
|
private void FetchStudios(MediaInfo info, Dictionary<string, string> tags, string tagName)
|
|
{
|
|
var val = FFProbeHelpers.GetDictionaryValue(tags, tagName);
|
|
|
|
if (!string.IsNullOrEmpty(val))
|
|
{
|
|
var studios = Split(val, true);
|
|
var studioList = new List<string>();
|
|
|
|
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();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the genres from the tags collection
|
|
/// </summary>
|
|
/// <param name="info">The information.</param>
|
|
/// <param name="tags">The tags.</param>
|
|
private void FetchGenres(MediaInfo info, Dictionary<string, string> tags)
|
|
{
|
|
var val = FFProbeHelpers.GetDictionaryValue(tags, "genre");
|
|
|
|
if (!string.IsNullOrEmpty(val))
|
|
{
|
|
var genres = new List<string>(info.Genres);
|
|
foreach (var genre in Split(val, true))
|
|
{
|
|
genres.Add(genre);
|
|
}
|
|
|
|
info.Genres = genres
|
|
.Where(i => !string.IsNullOrWhiteSpace(i))
|
|
.Distinct(StringComparer.OrdinalIgnoreCase)
|
|
.ToArray();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the disc number, which is sometimes can be in the form of '1', or '1/3'
|
|
/// </summary>
|
|
/// <param name="tags">The tags.</param>
|
|
/// <param name="tagName">Name of the tag.</param>
|
|
/// <returns>System.Nullable{System.Int32}.</returns>
|
|
private int? GetDictionaryDiscValue(Dictionary<string, string> 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;
|
|
}
|
|
}
|
|
}
|