588 lines
22 KiB
C#
588 lines
22 KiB
C#
using DvdLib.Ifo;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Localization;
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using MediaBrowser.Controller.MediaInfo;
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using MediaBrowser.Controller.Persistence;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.MediaInfo;
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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.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Providers.MediaInfo
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{
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public class FFProbeVideoInfo
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{
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private readonly ILogger _logger;
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private readonly IIsoManager _isoManager;
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private readonly IMediaEncoder _mediaEncoder;
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private readonly IItemRepository _itemRepo;
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private readonly IBlurayExaminer _blurayExaminer;
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private readonly ILocalizationManager _localization;
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private readonly CultureInfo _usCulture = new CultureInfo("en-US");
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public FFProbeVideoInfo(ILogger logger, IIsoManager isoManager, IMediaEncoder mediaEncoder, IItemRepository itemRepo, IBlurayExaminer blurayExaminer, ILocalizationManager localization)
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{
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_logger = logger;
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_isoManager = isoManager;
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_mediaEncoder = mediaEncoder;
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_itemRepo = itemRepo;
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_blurayExaminer = blurayExaminer;
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_localization = localization;
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}
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public async Task<ItemUpdateType> ProbeVideo<T>(T item, CancellationToken cancellationToken)
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where T : Video
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{
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var isoMount = await MountIsoIfNeeded(item, cancellationToken).ConfigureAwait(false);
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try
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{
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OnPreFetch(item, isoMount);
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// If we didn't find any satisfying the min length, just take them all
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if (item.VideoType == VideoType.Dvd || (item.IsoType.HasValue && item.IsoType == IsoType.Dvd))
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{
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if (item.PlayableStreamFileNames.Count == 0)
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{
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_logger.Error("No playable vobs found in dvd structure, skipping ffprobe.");
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return ItemUpdateType.MetadataImport;
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}
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}
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var result = await GetMediaInfo(item, isoMount, cancellationToken).ConfigureAwait(false);
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cancellationToken.ThrowIfCancellationRequested();
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FFProbeHelpers.NormalizeFFProbeResult(result);
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cancellationToken.ThrowIfCancellationRequested();
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await Fetch(item, cancellationToken, result, isoMount).ConfigureAwait(false);
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}
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finally
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{
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if (isoMount != null)
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{
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isoMount.Dispose();
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}
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}
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return ItemUpdateType.MetadataImport;
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}
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private async Task<InternalMediaInfoResult> GetMediaInfo(BaseItem item, IIsoMount isoMount, CancellationToken cancellationToken)
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{
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cancellationToken.ThrowIfCancellationRequested();
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var type = InputType.File;
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var inputPath = isoMount == null ? new[] { item.Path } : new[] { isoMount.MountedPath };
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var video = item as Video;
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if (video != null)
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{
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inputPath = MediaEncoderHelpers.GetInputArgument(video.Path, video.LocationType == LocationType.Remote, video.VideoType, video.IsoType, isoMount, video.PlayableStreamFileNames, out type);
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}
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return await _mediaEncoder.GetMediaInfo(inputPath, type, false, cancellationToken).ConfigureAwait(false);
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}
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protected async Task Fetch(Video video, CancellationToken cancellationToken, InternalMediaInfoResult data, IIsoMount isoMount)
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{
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if (data.format != null)
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{
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// For dvd's this may not always be accurate, so don't set the runtime if the item already has one
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var needToSetRuntime = video.VideoType != VideoType.Dvd || video.RunTimeTicks == null || video.RunTimeTicks.Value == 0;
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if (needToSetRuntime && !string.IsNullOrEmpty(data.format.duration))
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{
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video.RunTimeTicks = TimeSpan.FromSeconds(double.Parse(data.format.duration, _usCulture)).Ticks;
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}
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}
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var mediaStreams = MediaEncoderHelpers.GetMediaInfo(data).MediaStreams;
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var chapters = data.Chapters ?? new List<ChapterInfo>();
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if (video.VideoType == VideoType.BluRay || (video.IsoType.HasValue && video.IsoType.Value == IsoType.BluRay))
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{
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var inputPath = isoMount != null ? isoMount.MountedPath : video.Path;
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FetchBdInfo(video, chapters, mediaStreams, inputPath, cancellationToken);
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}
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AddExternalSubtitles(video, mediaStreams);
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FetchWtvInfo(video, data);
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video.IsHD = mediaStreams.Any(i => i.Type == MediaStreamType.Video && i.Width.HasValue && i.Width.Value >= 1270);
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if (chapters.Count == 0 && mediaStreams.Any(i => i.Type == MediaStreamType.Video))
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{
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AddDummyChapters(video, chapters);
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}
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var videoStream = mediaStreams.FirstOrDefault(i => i.Type == MediaStreamType.Video);
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video.VideoBitRate = videoStream == null ? null : videoStream.BitRate;
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video.DefaultVideoStreamIndex = videoStream == null ? (int?)null : videoStream.Index;
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video.HasSubtitles = mediaStreams.Any(i => i.Type == MediaStreamType.Subtitle);
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await FFMpegManager.Instance.PopulateChapterImages(video, chapters, false, false, cancellationToken).ConfigureAwait(false);
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await _itemRepo.SaveMediaStreams(video.Id, mediaStreams, cancellationToken).ConfigureAwait(false);
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await _itemRepo.SaveChapters(video.Id, chapters, cancellationToken).ConfigureAwait(false);
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}
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private void FetchBdInfo(BaseItem item, List<ChapterInfo> chapters, List<MediaStream> mediaStreams, string inputPath, CancellationToken cancellationToken)
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{
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var video = (Video)item;
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var result = GetBDInfo(inputPath);
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cancellationToken.ThrowIfCancellationRequested();
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int? currentHeight = null;
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int? currentWidth = null;
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int? currentBitRate = null;
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var videoStream = mediaStreams.FirstOrDefault(s => s.Type == MediaStreamType.Video);
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// Grab the values that ffprobe recorded
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if (videoStream != null)
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{
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currentBitRate = videoStream.BitRate;
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currentWidth = videoStream.Width;
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currentHeight = videoStream.Height;
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}
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// Fill video properties from the BDInfo result
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Fetch(video, mediaStreams, result, chapters);
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videoStream = mediaStreams.FirstOrDefault(s => s.Type == MediaStreamType.Video);
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// Use the ffprobe values if these are empty
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if (videoStream != null)
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{
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videoStream.BitRate = IsEmpty(videoStream.BitRate) ? currentBitRate : videoStream.BitRate;
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videoStream.Width = IsEmpty(videoStream.Width) ? currentWidth : videoStream.Width;
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videoStream.Height = IsEmpty(videoStream.Height) ? currentHeight : videoStream.Height;
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}
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}
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private bool IsEmpty(int? num)
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{
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return !num.HasValue || num.Value == 0;
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}
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/// <param name="chapters">The chapters.</param>
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private void Fetch(Video video, List<MediaStream> mediaStreams, BlurayDiscInfo stream, List<ChapterInfo> chapters)
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{
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// Check all input for null/empty/zero
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mediaStreams.Clear();
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mediaStreams.AddRange(stream.MediaStreams);
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video.MainFeaturePlaylistName = stream.PlaylistName;
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if (stream.RunTimeTicks.HasValue && stream.RunTimeTicks.Value > 0)
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{
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video.RunTimeTicks = stream.RunTimeTicks;
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}
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video.PlayableStreamFileNames = stream.Files.ToList();
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if (stream.Chapters != null)
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{
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chapters.Clear();
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chapters.AddRange(stream.Chapters.Select(c => new ChapterInfo
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{
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StartPositionTicks = TimeSpan.FromSeconds(c).Ticks
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}));
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}
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}
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/// <summary>
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/// Gets information about the longest playlist on a bdrom
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/// </summary>
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/// <param name="path">The path.</param>
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/// <returns>VideoStream.</returns>
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private BlurayDiscInfo GetBDInfo(string path)
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{
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return _blurayExaminer.GetDiscInfo(path);
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}
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private void FetchWtvInfo(Video video, InternalMediaInfoResult data)
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{
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if (data.format == null || data.format.tags == null)
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{
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return;
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}
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if (video.Genres.Count == 0)
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{
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if (!video.LockedFields.Contains(MetadataFields.Genres))
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{
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var genres = FFProbeHelpers.GetDictionaryValue(data.format.tags, "genre");
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if (!string.IsNullOrEmpty(genres))
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{
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video.Genres = genres.Split(new[] { ';', '/', ',' }, StringSplitOptions.RemoveEmptyEntries)
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.Where(i => !string.IsNullOrWhiteSpace(i))
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.Select(i => i.Trim())
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.ToList();
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}
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}
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}
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if (string.IsNullOrEmpty(video.Overview))
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{
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if (!video.LockedFields.Contains(MetadataFields.Overview))
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{
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var overview = FFProbeHelpers.GetDictionaryValue(data.format.tags, "WM/SubTitleDescription");
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if (!string.IsNullOrWhiteSpace(overview))
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{
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video.Overview = overview;
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}
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}
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}
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if (string.IsNullOrEmpty(video.OfficialRating))
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{
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var officialRating = FFProbeHelpers.GetDictionaryValue(data.format.tags, "WM/ParentalRating");
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if (!string.IsNullOrWhiteSpace(officialRating))
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{
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if (!video.LockedFields.Contains(MetadataFields.OfficialRating))
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{
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video.OfficialRating = officialRating;
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}
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}
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}
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if (video.People.Count == 0)
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{
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if (!video.LockedFields.Contains(MetadataFields.Cast))
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{
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var people = FFProbeHelpers.GetDictionaryValue(data.format.tags, "WM/MediaCredits");
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if (!string.IsNullOrEmpty(people))
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{
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video.People = people.Split(new[] { ';', '/' }, StringSplitOptions.RemoveEmptyEntries)
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.Where(i => !string.IsNullOrWhiteSpace(i))
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.Select(i => new PersonInfo { Name = i.Trim(), Type = PersonType.Actor })
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.ToList();
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}
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}
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}
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if (!video.ProductionYear.HasValue)
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{
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var year = FFProbeHelpers.GetDictionaryValue(data.format.tags, "WM/OriginalReleaseTime");
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if (!string.IsNullOrWhiteSpace(year))
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{
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int val;
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if (int.TryParse(year, NumberStyles.Integer, _usCulture, out val))
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{
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video.ProductionYear = val;
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}
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}
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}
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}
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private IEnumerable<string> SubtitleExtensions
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{
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get
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{
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return new[] { ".srt", ".ssa", ".ass" };
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}
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}
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/// <summary>
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/// Adds the external subtitles.
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/// </summary>
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/// <param name="video">The video.</param>
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/// <param name="currentStreams">The current streams.</param>
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private void AddExternalSubtitles(Video video, List<MediaStream> currentStreams)
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{
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//var useParent = !video.ResolveArgs.IsDirectory;
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//if (useParent && video.Parent == null)
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//{
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// return;
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//}
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//var fileSystemChildren = useParent
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// ? video.Parent.ResolveArgs.FileSystemChildren
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// : video.ResolveArgs.FileSystemChildren;
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//var startIndex = currentStreams.Count;
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//var streams = new List<MediaStream>();
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//var videoFileNameWithoutExtension = Path.GetFileNameWithoutExtension(video.Path);
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//foreach (var file in fileSystemChildren
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// .Where(f => !f.Attributes.HasFlag(FileAttributes.Directory) && SubtitleExtensions.Contains(Path.GetExtension(f.FullName), StringComparer.OrdinalIgnoreCase)))
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//{
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// var fullName = file.FullName;
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// var fileNameWithoutExtension = Path.GetFileNameWithoutExtension(fullName);
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// // If the subtitle file matches the video file name
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// if (string.Equals(videoFileNameWithoutExtension, fileNameWithoutExtension, StringComparison.OrdinalIgnoreCase))
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// {
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// streams.Add(new MediaStream
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// {
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// Index = startIndex++,
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// Type = MediaStreamType.Subtitle,
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// IsExternal = true,
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// Path = fullName,
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// Codec = Path.GetExtension(fullName).ToLower().TrimStart('.')
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// });
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// }
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// else if (fileNameWithoutExtension.StartsWith(videoFileNameWithoutExtension + ".", StringComparison.OrdinalIgnoreCase))
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// {
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// // Support xbmc naming conventions - 300.spanish.srt
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// var language = fileNameWithoutExtension.Split('.').LastOrDefault();
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// // Try to translate to three character code
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// // Be flexible and check against both the full and three character versions
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// var culture = _localization.GetCultures()
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// .FirstOrDefault(i => string.Equals(i.DisplayName, language, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Name, language, StringComparison.OrdinalIgnoreCase) || string.Equals(i.ThreeLetterISOLanguageName, language, StringComparison.OrdinalIgnoreCase) || string.Equals(i.TwoLetterISOLanguageName, language, StringComparison.OrdinalIgnoreCase));
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// if (culture != null)
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// {
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// language = culture.ThreeLetterISOLanguageName;
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// }
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// streams.Add(new MediaStream
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// {
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// Index = startIndex++,
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// Type = MediaStreamType.Subtitle,
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// IsExternal = true,
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// Path = fullName,
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// Codec = Path.GetExtension(fullName).ToLower().TrimStart('.'),
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// Language = language
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// });
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// }
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//}
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//currentStreams.AddRange(streams);
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}
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/// <summary>
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/// The dummy chapter duration
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/// </summary>
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private readonly long _dummyChapterDuration = TimeSpan.FromMinutes(5).Ticks;
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/// <summary>
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/// Adds the dummy chapters.
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/// </summary>
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/// <param name="video">The video.</param>
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/// <param name="chapters">The chapters.</param>
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private void AddDummyChapters(Video video, List<ChapterInfo> chapters)
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{
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var runtime = video.RunTimeTicks ?? 0;
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if (runtime < 0)
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{
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throw new ArgumentException(string.Format("{0} has invalid runtime of {1}", video.Name, runtime));
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}
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if (runtime < _dummyChapterDuration)
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{
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return;
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}
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long currentChapterTicks = 0;
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var index = 1;
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// Limit to 100 chapters just in case there's some incorrect metadata here
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while (currentChapterTicks < runtime && index < 100)
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{
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chapters.Add(new ChapterInfo
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{
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Name = "Chapter " + index,
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StartPositionTicks = currentChapterTicks
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});
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index++;
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currentChapterTicks += _dummyChapterDuration;
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}
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}
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/// <summary>
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/// Called when [pre fetch].
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="mount">The mount.</param>
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private void OnPreFetch(Video item, IIsoMount mount)
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{
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if (item.VideoType == VideoType.Iso)
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{
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item.IsoType = DetermineIsoType(mount);
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}
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if (item.VideoType == VideoType.Dvd || (item.IsoType.HasValue && item.IsoType == IsoType.Dvd))
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{
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FetchFromDvdLib(item, mount);
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}
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}
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private void FetchFromDvdLib(Video item, IIsoMount mount)
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{
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var path = mount == null ? item.Path : mount.MountedPath;
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var dvd = new Dvd(path);
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item.RunTimeTicks = dvd.Titles.Select(GetRuntime).Max();
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var primaryTitle = dvd.Titles.OrderByDescending(GetRuntime).FirstOrDefault();
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uint? titleNumber = null;
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if (primaryTitle != null)
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{
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titleNumber = primaryTitle.TitleNumber;
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}
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item.PlayableStreamFileNames = GetPrimaryPlaylistVobFiles(item, mount, titleNumber)
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.Select(Path.GetFileName)
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.ToList();
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}
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private long GetRuntime(Title title)
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{
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return title.ProgramChains
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.Select(i => (TimeSpan)i.PlaybackTime)
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.Select(i => i.Ticks)
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.Sum();
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}
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/// <summary>
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/// Mounts the iso if needed.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>IsoMount.</returns>
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protected Task<IIsoMount> MountIsoIfNeeded(Video item, CancellationToken cancellationToken)
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{
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if (item.VideoType == VideoType.Iso)
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{
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return _isoManager.Mount(item.Path, cancellationToken);
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}
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return Task.FromResult<IIsoMount>(null);
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}
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/// <summary>
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/// Determines the type of the iso.
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/// </summary>
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/// <param name="isoMount">The iso mount.</param>
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/// <returns>System.Nullable{IsoType}.</returns>
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private IsoType? DetermineIsoType(IIsoMount isoMount)
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{
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var folders = Directory.EnumerateDirectories(isoMount.MountedPath).Select(Path.GetFileName).ToList();
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if (folders.Contains("video_ts", StringComparer.OrdinalIgnoreCase))
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{
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return IsoType.Dvd;
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}
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if (folders.Contains("bdmv", StringComparer.OrdinalIgnoreCase))
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{
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return IsoType.BluRay;
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}
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return null;
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}
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private IEnumerable<string> GetPrimaryPlaylistVobFiles(Video video, IIsoMount isoMount, uint? titleNumber)
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{
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// min size 300 mb
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const long minPlayableSize = 314572800;
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var root = isoMount != null ? isoMount.MountedPath : video.Path;
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// Try to eliminate menus and intros by skipping all files at the front of the list that are less than the minimum size
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// Once we reach a file that is at least the minimum, return all subsequent ones
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var allVobs = Directory.EnumerateFiles(root, "*", SearchOption.AllDirectories)
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.Where(file => string.Equals(Path.GetExtension(file), ".vob", StringComparison.OrdinalIgnoreCase))
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.ToList();
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// If we didn't find any satisfying the min length, just take them all
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if (allVobs.Count == 0)
|
|
{
|
|
_logger.Error("No vobs found in dvd structure.");
|
|
return new List<string>();
|
|
}
|
|
|
|
if (titleNumber.HasValue)
|
|
{
|
|
var prefix = string.Format("VTS_0{0}_", titleNumber.Value.ToString(_usCulture));
|
|
var vobs = allVobs.Where(i => Path.GetFileName(i).StartsWith(prefix, StringComparison.OrdinalIgnoreCase)).ToList();
|
|
|
|
if (vobs.Count > 0)
|
|
{
|
|
return vobs;
|
|
}
|
|
|
|
_logger.Debug("Could not determine vob file list for {0} using DvdLib. Will scan using file sizes.", video.Path);
|
|
}
|
|
|
|
var files = allVobs
|
|
.SkipWhile(f => new FileInfo(f).Length < minPlayableSize)
|
|
.ToList();
|
|
|
|
// If we didn't find any satisfying the min length, just take them all
|
|
if (files.Count == 0)
|
|
{
|
|
_logger.Warn("Vob size filter resulted in zero matches. Taking all vobs.");
|
|
files = allVobs;
|
|
}
|
|
|
|
// Assuming they're named "vts_05_01", take all files whose second part matches that of the first file
|
|
if (files.Count > 0)
|
|
{
|
|
var parts = Path.GetFileNameWithoutExtension(files[0]).Split('_');
|
|
|
|
if (parts.Length == 3)
|
|
{
|
|
var title = parts[1];
|
|
|
|
files = files.TakeWhile(f =>
|
|
{
|
|
var fileParts = Path.GetFileNameWithoutExtension(f).Split('_');
|
|
|
|
return fileParts.Length == 3 && string.Equals(title, fileParts[1], StringComparison.OrdinalIgnoreCase);
|
|
|
|
}).ToList();
|
|
|
|
// If this resulted in not getting any vobs, just take them all
|
|
if (files.Count == 0)
|
|
{
|
|
_logger.Warn("Vob filename filter resulted in zero matches. Taking all vobs.");
|
|
files = allVobs;
|
|
}
|
|
}
|
|
}
|
|
|
|
return files;
|
|
}
|
|
}
|
|
}
|