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-rw-r--r--MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs1389
1 files changed, 0 insertions, 1389 deletions
diff --git a/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs b/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs
deleted file mode 100644
index 023100f44..000000000
--- a/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs
+++ /dev/null
@@ -1,1389 +0,0 @@
-using MediaBrowser.Model.Dto;
-using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.Extensions;
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Xml;
-using MediaBrowser.Model.IO;
-
-using MediaBrowser.Controller.IO;
-using MediaBrowser.Controller.Library;
-using MediaBrowser.Model.IO;
-using MediaBrowser.Model.Logging;
-using MediaBrowser.Model.MediaInfo;
-
-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 IMemoryStreamFactory _memoryStreamProvider;
-
- public ProbeResultNormalizer(ILogger logger, IFileSystem fileSystem, IMemoryStreamFactory memoryStreamProvider)
- {
- _logger = logger;
- _fileSystem = fileSystem;
- _memoryStreamProvider = memoryStreamProvider;
- }
-
- 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();
-
- if (data.format != null)
- {
- info.Container = NormalizeFormat(data.format.format_name);
-
- if (!string.IsNullOrEmpty(data.format.bit_rate))
- {
- int value;
- if (int.TryParse(data.format.bit_rate, NumberStyles.Any, _usCulture, out value))
- {
- info.Bitrate = value;
- }
- }
- }
-
- var tags = new Dictionary<string, string>(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).ToList();
- }
-
- 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("<plist", StringComparison.OrdinalIgnoreCase);
-
- if (plistIndex != -1)
- {
- xml = xml.Substring(plistIndex);
- }
-
- xml = "<?xml version=\"1.0\"?>" + xml;
-
- // <?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
- using (var stream = _memoryStreamProvider.CreateNew(Encoding.UTF8.GetBytes(xml)))
- {
- using (var streamReader = new StreamReader(stream))
- {
- try
- {
- // Use XmlReader for best performance
- 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;
- List<NameValuePair> pairs = new List<NameValuePair>();
-
- 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<NameValuePair>();
- 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<NameValuePair> ReadValueArray(XmlReader reader)
- {
-
- List<NameValuePair> pairs = new List<NameValuePair>();
-
- 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<NameValuePair> pairs, MediaInfo info)
- {
- if (string.Equals(key, "studio", StringComparison.OrdinalIgnoreCase))
- {
- foreach (var pair in pairs)
- {
- info.Studios.Add(pair.Value);
- }
-
- info.Studios = info.Studios
- .Where(i => !string.IsNullOrWhiteSpace(i))
- .Distinct(StringComparer.OrdinalIgnoreCase)
- .ToList();
-
- }
- else if (string.Equals(key, "screenwriters", StringComparison.OrdinalIgnoreCase))
- {
- foreach (var pair in pairs)
- {
- info.People.Add(new BaseItemPerson
- {
- Name = pair.Value,
- Type = PersonType.Writer
- });
- }
- }
- else if (string.Equals(key, "producers", StringComparison.OrdinalIgnoreCase))
- {
- foreach (var pair in pairs)
- {
- info.People.Add(new BaseItemPerson
- {
- Name = pair.Value,
- Type = PersonType.Producer
- });
- }
- }
- else if (string.Equals(key, "directors", StringComparison.OrdinalIgnoreCase))
- {
- foreach (var pair in pairs)
- {
- info.People.Add(new BaseItemPerson
- {
- Name = pair.Value,
- Type = PersonType.Director
- });
- }
- }
- }
-
- 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;
- }
-
- /// <summary>
- /// Converts ffprobe stream info to our MediaStream class
- /// </summary>
- /// <param name="isAudio">if set to <c>true</c> [is info].</param>
- /// <param name="streamInfo">The stream info.</param>
- /// <param name="formatInfo">The format info.</param>
- /// <returns>MediaStream.</returns>
- 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))
- {
- int value;
- if (int.TryParse(streamInfo.sample_rate, NumberStyles.Any, _usCulture, out 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))
- {
- int value;
- if (int.TryParse(streamInfo.bit_rate, NumberStyles.Any, _usCulture, out 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
- int value;
- if (int.TryParse(formatInfo.bit_rate, NumberStyles.Any, _usCulture, out 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;
- }
-
- string val;
-
- tags.TryGetValue(key, out 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;
-
- int height;
- int width;
-
- var parts = (original ?? string.Empty).Split(':');
- if (!(parts.Length == 2 &&
- int.TryParse(parts[0], NumberStyles.Any, _usCulture, out width) &&
- int.TryParse(parts[1], NumberStyles.Any, _usCulture, out 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, Model.MediaInfo.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))
- {
- foreach (var person in Split(composer, false))
- {
- audio.People.Add(new BaseItemPerson { Name = person, Type = PersonType.Composer });
- }
- }
-
- //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))
- {
- foreach (var person in Split(writer, false))
- {
- audio.People.Add(new BaseItemPerson { Name = person, Type = PersonType.Writer });
- }
- }
-
- audio.Album = FFProbeHelpers.GetDictionaryValue(tags, "album");
-
- var artists = FFProbeHelpers.GetDictionaryValue(tags, "artists");
-
- if (!string.IsNullOrWhiteSpace(artists))
- {
- audio.Artists = SplitArtists(artists, new[] { '/', ';' }, false)
- .DistinctNames()
- .ToList();
- }
- else
- {
- var artist = FFProbeHelpers.GetDictionaryValue(tags, "artist");
- if (string.IsNullOrWhiteSpace(artist))
- {
- audio.Artists.Clear();
- }
- else
- {
- audio.Artists = SplitArtists(artist, _nameDelimiters, true)
- .DistinctNames()
- .ToList();
- }
- }
-
- 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 List<string>();
- }
- else
- {
- audio.AlbumArtists = SplitArtists(albumArtist, _nameDelimiters, true)
- .DistinctNames()
- .ToList();
-
- }
-
- if (audio.AlbumArtists.Count == 0)
- {
- audio.AlbumArtists = audio.Artists.Take(1).ToList();
- }
-
- // 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);
-
- 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;
- }
-
- info.Studios.Add(studio);
- }
-
- info.Studios = info.Studios
- .Where(i => !string.IsNullOrWhiteSpace(i))
- .Distinct(StringComparer.OrdinalIgnoreCase)
- .ToList();
- }
- }
-
- /// <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))
- {
- foreach (var genre in Split(val, true))
- {
- info.Genres.Add(genre);
- }
-
- info.Genres = info.Genres
- .Where(i => !string.IsNullOrWhiteSpace(i))
- .Distinct(StringComparer.OrdinalIgnoreCase)
- .ToList();
- }
- }
-
- /// <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];
-
- int num;
-
- if (int.TryParse(disc, out num))
- {
- return num;
- }
- }
-
- return null;
- }
-
- private ChapterInfo GetChapterInfo(MediaChapter chapter)
- {
- var info = new ChapterInfo();
-
- if (chapter.tags != null)
- {
- string name;
- if (chapter.tags.TryGetValue("title", out name))
- {
- info.Name = name;
- }
- }
-
- // Limit accuracy to milliseconds to match xml saving
- var secondsString = chapter.start_time;
- double seconds;
-
- if (double.TryParse(secondsString, NumberStyles.Any, CultureInfo.InvariantCulture, out 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;
- }
- }
-
- 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 })
- .ToList();
- }
-
- var year = FFProbeHelpers.GetDictionaryValue(data.format.tags, "WM/OriginalReleaseTime");
- if (!string.IsNullOrWhiteSpace(year))
- {
- int val;
-
- if (int.TryParse(year, NumberStyles.Integer, _usCulture, out val))
- {
- video.ProductionYear = val;
- }
- }
-
- var premiereDateString = FFProbeHelpers.GetDictionaryValue(data.format.tags, "WM/MediaOriginalBroadcastDateTime");
- if (!string.IsNullOrWhiteSpace(premiereDateString))
- {
- DateTime val;
-
- // 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 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.Debug("Video has {0} timestamp", video.Timestamp);
- }
- catch (Exception ex)
- {
- _logger.ErrorException("Error extracting timestamp info from {0}", ex, 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;
- }
- }
-}
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-06 15:55:22 +0000