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659 lines
25 KiB
659 lines
25 KiB
using MediaBrowser.Common.MediaInfo;
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using MediaBrowser.Controller;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Localization;
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using MediaBrowser.Controller.Persistence;
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using MediaBrowser.Controller.Providers;
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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 MediaBrowser.Model.Serialization;
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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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/// <summary>
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/// Extracts video information using ffprobe
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/// </summary>
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public class FFProbeVideoInfoProvider : BaseFFProbeProvider<Video>
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{
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private readonly IItemRepository _itemRepo;
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public FFProbeVideoInfoProvider(IIsoManager isoManager, IBlurayExaminer blurayExaminer, IJsonSerializer jsonSerializer, ILogManager logManager, IServerConfigurationManager configurationManager, IMediaEncoder mediaEncoder, ILocalizationManager localization, IItemRepository itemRepo)
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: base(logManager, configurationManager, mediaEncoder, jsonSerializer)
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{
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if (isoManager == null)
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{
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throw new ArgumentNullException("isoManager");
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}
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if (blurayExaminer == null)
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{
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throw new ArgumentNullException("blurayExaminer");
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}
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_blurayExaminer = blurayExaminer;
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_localization = localization;
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_itemRepo = itemRepo;
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_isoManager = isoManager;
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}
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/// <summary>
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/// Gets or sets the bluray examiner.
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/// </summary>
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/// <value>The bluray examiner.</value>
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private readonly IBlurayExaminer _blurayExaminer;
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/// <summary>
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/// The _iso manager
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/// </summary>
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private readonly IIsoManager _isoManager;
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private readonly ILocalizationManager _localization;
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/// <summary>
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/// Returns true or false indicating if the provider should refresh when the contents of it's directory changes
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/// </summary>
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/// <value><c>true</c> if [refresh on file system stamp change]; otherwise, <c>false</c>.</value>
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protected override bool RefreshOnFileSystemStampChange
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{
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get
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{
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// Need this in case external subtitle files change
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return true;
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}
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}
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/// <summary>
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/// Gets the filestamp extensions.
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/// </summary>
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/// <value>The filestamp extensions.</value>
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protected override string[] FilestampExtensions
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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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public override MetadataProviderPriority Priority
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{
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get
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{
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return MetadataProviderPriority.Second;
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}
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}
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/// <summary>
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/// Supports video files and dvd structures
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/// </summary>
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/// <param name="item">The item.</param>
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/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
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public override bool Supports(BaseItem item)
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{
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if (item.LocationType != LocationType.FileSystem)
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{
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return false;
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}
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var video = item as Video;
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if (video != null)
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{
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if (video.VideoType == VideoType.Iso)
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{
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return _isoManager.CanMount(item.Path);
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}
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return video.VideoType == VideoType.VideoFile || video.VideoType == VideoType.Dvd || video.VideoType == VideoType.BluRay;
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}
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return false;
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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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protected override 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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PopulateDvdStreamFiles(item, mount);
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}
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base.OnPreFetch(item, mount);
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}
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public override async Task<bool> FetchAsync(BaseItem item, bool force, BaseProviderInfo providerInfo, CancellationToken cancellationToken)
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{
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var video = (Video)item;
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var isoMount = await MountIsoIfNeeded(video, cancellationToken).ConfigureAwait(false);
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try
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{
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OnPreFetch(video, isoMount);
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// If we didn't find any satisfying the min length, just take them all
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if (video.VideoType == VideoType.Dvd || (video.IsoType.HasValue && video.IsoType == IsoType.Dvd))
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{
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if (video.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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SetLastRefreshed(item, DateTime.UtcNow, providerInfo);
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return true;
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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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NormalizeFFProbeResult(result);
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cancellationToken.ThrowIfCancellationRequested();
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await Fetch(video, force, providerInfo, 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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SetLastRefreshed(item, DateTime.UtcNow, providerInfo);
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return true;
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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 override 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 base.MountIsoIfNeeded(item, cancellationToken);
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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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/// <summary>
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/// Finds vob files and populates the dvd stream file properties
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/// </summary>
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/// <param name="video">The video.</param>
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/// <param name="isoMount">The iso mount.</param>
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private void PopulateDvdStreamFiles(Video video, IIsoMount isoMount)
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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, "*.vob", SearchOption.AllDirectories).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)
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{
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Logger.Error("No vobs found in dvd structure.");
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return;
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}
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var files = allVobs
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.SkipWhile(f => new FileInfo(f).Length < minPlayableSize)
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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 (files.Count == 0)
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{
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Logger.Warn("Vob size filter resulted in zero matches. Taking all vobs.");
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files = allVobs;
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}
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// Assuming they're named "vts_05_01", take all files whose second part matches that of the first file
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if (files.Count > 0)
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{
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var parts = Path.GetFileNameWithoutExtension(files[0]).Split('_');
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if (parts.Length == 3)
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{
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var title = parts[1];
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files = files.TakeWhile(f =>
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{
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var fileParts = Path.GetFileNameWithoutExtension(f).Split('_');
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return fileParts.Length == 3 && string.Equals(title, fileParts[1], StringComparison.OrdinalIgnoreCase);
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}).ToList();
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// If this resulted in not getting any vobs, just take them all
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if (files.Count == 0)
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{
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Logger.Warn("Vob filename filter resulted in zero matches. Taking all vobs.");
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files = allVobs;
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}
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}
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}
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video.PlayableStreamFileNames = files.Select(Path.GetFileName).ToList();
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}
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/// <summary>
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/// Fetches the specified video.
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/// </summary>
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/// <param name="video">The video.</param>
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/// <param name="force">if set to <c>true</c> [force].</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="data">The data.</param>
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/// <param name="isoMount">The iso mount.</param>
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/// <returns>Task.</returns>
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protected async Task Fetch(Video video, bool force, BaseProviderInfo providerInfo, CancellationToken cancellationToken, MediaInfoResult 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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List<MediaStream> mediaStreams;
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if (data.streams != null)
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{
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mediaStreams = data.streams.Select(s => GetMediaStream(s, data.format))
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.Where(i => i != null)
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.ToList();
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}
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else
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{
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mediaStreams = new List<MediaStream>();
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}
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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, force, 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 Kernel.Instance.FFMpegManager.PopulateChapterImages(video, chapters, false, false, cancellationToken).ConfigureAwait(false);
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var videoFileChanged = CompareDate(video) > providerInfo.LastRefreshed;
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await _itemRepo.SaveMediaStreams(video.Id, mediaStreams, cancellationToken).ConfigureAwait(false);
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// Only save chapters if forcing, if the video changed, or if there are not already any saved ones
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if (force || videoFileChanged || _itemRepo.GetChapter(video.Id, 0) == null)
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{
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await _itemRepo.SaveChapters(video.Id, chapters, cancellationToken).ConfigureAwait(false);
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}
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}
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/// <summary>
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/// Fetches the WTV info.
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/// </summary>
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/// <param name="video">The video.</param>
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/// <param name="force">if set to <c>true</c> [force].</param>
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/// <param name="data">The data.</param>
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private void FetchWtvInfo(Video video, bool force, MediaInfoResult 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 (force || 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 = 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 (force || 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 = 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 (force || string.IsNullOrEmpty(video.OfficialRating))
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{
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var officialRating = 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 (force || 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 = 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 (force || !video.ProductionYear.HasValue)
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{
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var year = 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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/// <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) && FilestampExtensions.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)
|
|
{
|
|
throw new ArgumentException(string.Format("{0} has invalid runtime of {1}", video.Name, runtime));
|
|
}
|
|
|
|
if (runtime < _dummyChapterDuration)
|
|
{
|
|
return;
|
|
}
|
|
|
|
long currentChapterTicks = 0;
|
|
var index = 1;
|
|
|
|
// Limit to 100 chapters just in case there's some incorrect metadata here
|
|
while (currentChapterTicks < runtime && index < 100)
|
|
{
|
|
chapters.Add(new ChapterInfo
|
|
{
|
|
Name = "Chapter " + index,
|
|
StartPositionTicks = currentChapterTicks
|
|
});
|
|
|
|
index++;
|
|
currentChapterTicks += _dummyChapterDuration;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Fetches the bd info.
|
|
/// </summary>
|
|
/// <param name="item">The item.</param>
|
|
/// <param name="chapters">The chapters.</param>
|
|
/// <param name="mediaStreams">The media streams.</param>
|
|
/// <param name="inputPath">The input path.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
private void FetchBdInfo(BaseItem item, List<ChapterInfo> chapters, List<MediaStream> mediaStreams, string inputPath, CancellationToken cancellationToken)
|
|
{
|
|
var video = (Video)item;
|
|
|
|
var result = GetBDInfo(inputPath);
|
|
|
|
cancellationToken.ThrowIfCancellationRequested();
|
|
|
|
int? currentHeight = null;
|
|
int? currentWidth = null;
|
|
int? currentBitRate = null;
|
|
|
|
var videoStream = mediaStreams.FirstOrDefault(s => s.Type == MediaStreamType.Video);
|
|
|
|
// Grab the values that ffprobe recorded
|
|
if (videoStream != null)
|
|
{
|
|
currentBitRate = videoStream.BitRate;
|
|
currentWidth = videoStream.Width;
|
|
currentHeight = videoStream.Height;
|
|
}
|
|
|
|
// Fill video properties from the BDInfo result
|
|
Fetch(video, mediaStreams, result, chapters);
|
|
|
|
videoStream = mediaStreams.FirstOrDefault(s => s.Type == MediaStreamType.Video);
|
|
|
|
// Use the ffprobe values if these are empty
|
|
if (videoStream != null)
|
|
{
|
|
videoStream.BitRate = IsEmpty(videoStream.BitRate) ? currentBitRate : videoStream.BitRate;
|
|
videoStream.Width = IsEmpty(videoStream.Width) ? currentWidth : videoStream.Width;
|
|
videoStream.Height = IsEmpty(videoStream.Height) ? currentHeight : videoStream.Height;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the specified num is empty.
|
|
/// </summary>
|
|
/// <param name="num">The num.</param>
|
|
/// <returns><c>true</c> if the specified num is empty; otherwise, <c>false</c>.</returns>
|
|
private bool IsEmpty(int? num)
|
|
{
|
|
return !num.HasValue || num.Value == 0;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Fills video properties from the VideoStream of the largest playlist
|
|
/// </summary>
|
|
/// <param name="video">The video.</param>
|
|
/// <param name="mediaStreams">The media streams.</param>
|
|
/// <param name="stream">The stream.</param>
|
|
/// <param name="chapters">The chapters.</param>
|
|
private void Fetch(Video video, List<MediaStream> mediaStreams, BlurayDiscInfo stream, List<ChapterInfo> chapters)
|
|
{
|
|
// Check all input for null/empty/zero
|
|
|
|
mediaStreams.Clear();
|
|
mediaStreams.AddRange(stream.MediaStreams);
|
|
|
|
video.MainFeaturePlaylistName = stream.PlaylistName;
|
|
|
|
if (stream.RunTimeTicks.HasValue && stream.RunTimeTicks.Value > 0)
|
|
{
|
|
video.RunTimeTicks = stream.RunTimeTicks;
|
|
}
|
|
|
|
video.PlayableStreamFileNames = stream.Files.ToList();
|
|
|
|
if (stream.Chapters != null)
|
|
{
|
|
chapters.Clear();
|
|
|
|
chapters.AddRange(stream.Chapters.Select(c => new ChapterInfo
|
|
{
|
|
StartPositionTicks = TimeSpan.FromSeconds(c).Ticks
|
|
|
|
}));
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets information about the longest playlist on a bdrom
|
|
/// </summary>
|
|
/// <param name="path">The path.</param>
|
|
/// <returns>VideoStream.</returns>
|
|
private BlurayDiscInfo GetBDInfo(string path)
|
|
{
|
|
return _blurayExaminer.GetDiscInfo(path);
|
|
}
|
|
}
|
|
}
|