repo creation with initial code after cloning public repo
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#nullable disable
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#pragma warning disable CS1591
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using System;
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using System.IO;
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using System.Linq;
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using DiscUtils.Udf;
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using Emby.Naming.Common;
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using Emby.Naming.Video;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.Entities;
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using Microsoft.Extensions.Logging;
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namespace Emby.Server.Implementations.Library.Resolvers
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{
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/// <summary>
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/// Resolves a Path into a Video or Video subclass.
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/// </summary>
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/// <typeparam name="T">The type of item to resolve.</typeparam>
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public abstract class BaseVideoResolver<T> : MediaBrowser.Controller.Resolvers.ItemResolver<T>
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where T : Video, new()
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{
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private readonly ILogger _logger;
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protected BaseVideoResolver(ILogger logger, NamingOptions namingOptions, IDirectoryService directoryService)
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{
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_logger = logger;
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NamingOptions = namingOptions;
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DirectoryService = directoryService;
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}
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protected NamingOptions NamingOptions { get; }
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protected IDirectoryService DirectoryService { get; }
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/// <summary>
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/// Resolves the specified args.
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/// </summary>
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/// <param name="args">The args.</param>
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/// <returns>`0.</returns>
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protected override T Resolve(ItemResolveArgs args)
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{
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return ResolveVideo<T>(args, false);
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}
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/// <summary>
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/// Resolves the video.
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/// </summary>
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/// <typeparam name="TVideoType">The type of the T video type.</typeparam>
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/// <param name="args">The args.</param>
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/// <param name="parseName">if set to <c>true</c> [parse name].</param>
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/// <returns>``0.</returns>
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protected virtual TVideoType ResolveVideo<TVideoType>(ItemResolveArgs args, bool parseName)
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where TVideoType : Video, new()
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{
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VideoFileInfo videoInfo = null;
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VideoType? videoType = null;
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// If the path is a file check for a matching extensions
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if (args.IsDirectory)
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{
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// Loop through each child file/folder and see if we find a video
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foreach (var child in args.FileSystemChildren)
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{
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var filename = child.Name;
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if (child.IsDirectory)
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{
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if (IsDvdDirectory(child.FullName, filename, DirectoryService))
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{
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var videoTmp = new TVideoType
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{
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Path = args.Path,
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VideoType = VideoType.Dvd
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};
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Set3DFormat(videoTmp);
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return videoTmp;
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}
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if (IsBluRayDirectory(filename))
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{
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var videoTmp = new TVideoType
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{
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Path = args.Path,
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VideoType = VideoType.BluRay
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};
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Set3DFormat(videoTmp);
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return videoTmp;
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}
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}
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else if (IsDvdFile(filename))
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{
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videoType = VideoType.Dvd;
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}
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if (videoType is null)
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{
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continue;
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}
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videoInfo = VideoResolver.ResolveDirectory(args.Path, NamingOptions, parseName);
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break;
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}
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}
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else
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{
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videoInfo = VideoResolver.Resolve(args.Path, false, NamingOptions, parseName);
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}
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if (videoInfo is null || (!videoInfo.IsStub && !VideoResolver.IsVideoFile(args.Path, NamingOptions)))
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{
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return null;
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}
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var video = new TVideoType
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{
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Name = videoInfo.Name,
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Path = args.Path,
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ProductionYear = videoInfo.Year,
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ExtraType = videoInfo.ExtraType
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};
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if (videoType.HasValue)
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{
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video.VideoType = videoType.Value;
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}
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else
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{
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SetVideoType(video, videoInfo);
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}
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Set3DFormat(video, videoInfo);
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return video;
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}
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protected void SetVideoType(Video video, VideoFileInfo videoInfo)
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{
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var extension = Path.GetExtension(video.Path.AsSpan());
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video.VideoType = extension.Equals(".iso", StringComparison.OrdinalIgnoreCase)
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|| extension.Equals(".img", StringComparison.OrdinalIgnoreCase)
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? VideoType.Iso
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: VideoType.VideoFile;
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video.IsShortcut = extension.Equals(".strm", StringComparison.OrdinalIgnoreCase);
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video.IsPlaceHolder = videoInfo.IsStub;
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if (videoInfo.IsStub)
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{
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if (string.Equals(videoInfo.StubType, "dvd", StringComparison.OrdinalIgnoreCase))
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{
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video.VideoType = VideoType.Dvd;
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}
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else if (string.Equals(videoInfo.StubType, "bluray", StringComparison.OrdinalIgnoreCase))
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{
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video.VideoType = VideoType.BluRay;
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}
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}
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SetIsoType(video);
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}
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protected void SetIsoType(Video video)
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{
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if (video.VideoType == VideoType.Iso)
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{
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if (video.Path.Contains("dvd", StringComparison.OrdinalIgnoreCase))
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{
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video.IsoType = IsoType.Dvd;
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}
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else if (video.Path.Contains("bluray", StringComparison.OrdinalIgnoreCase))
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{
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video.IsoType = IsoType.BluRay;
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}
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else
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{
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try
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{
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// use disc-utils, both DVDs and BDs use UDF filesystem
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using var videoFileStream = File.Open(video.Path, FileMode.Open, FileAccess.Read, FileShare.Read);
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using UdfReader udfReader = new UdfReader(videoFileStream);
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if (udfReader.DirectoryExists("VIDEO_TS"))
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{
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video.IsoType = IsoType.Dvd;
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}
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else if (udfReader.DirectoryExists("BDMV"))
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{
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video.IsoType = IsoType.BluRay;
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}
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error opening UDF/ISO image: {Value}", video.Path ?? video.Name);
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}
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}
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}
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}
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protected void Set3DFormat(Video video, bool is3D, string format3D)
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{
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if (is3D)
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{
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if (string.Equals(format3D, "fsbs", StringComparison.OrdinalIgnoreCase))
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{
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video.Video3DFormat = Video3DFormat.FullSideBySide;
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}
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else if (string.Equals(format3D, "ftab", StringComparison.OrdinalIgnoreCase))
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{
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video.Video3DFormat = Video3DFormat.FullTopAndBottom;
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}
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else if (string.Equals(format3D, "hsbs", StringComparison.OrdinalIgnoreCase))
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{
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video.Video3DFormat = Video3DFormat.HalfSideBySide;
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}
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else if (string.Equals(format3D, "htab", StringComparison.OrdinalIgnoreCase))
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{
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video.Video3DFormat = Video3DFormat.HalfTopAndBottom;
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}
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else if (string.Equals(format3D, "sbs", StringComparison.OrdinalIgnoreCase))
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{
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video.Video3DFormat = Video3DFormat.HalfSideBySide;
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}
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else if (string.Equals(format3D, "sbs3d", StringComparison.OrdinalIgnoreCase))
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{
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video.Video3DFormat = Video3DFormat.HalfSideBySide;
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}
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else if (string.Equals(format3D, "tab", StringComparison.OrdinalIgnoreCase))
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{
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video.Video3DFormat = Video3DFormat.HalfTopAndBottom;
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}
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else if (string.Equals(format3D, "mvc", StringComparison.OrdinalIgnoreCase))
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{
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video.Video3DFormat = Video3DFormat.MVC;
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}
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}
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}
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protected void Set3DFormat(Video video, VideoFileInfo videoInfo)
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{
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Set3DFormat(video, videoInfo.Is3D, videoInfo.Format3D);
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}
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protected void Set3DFormat(Video video)
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{
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var result = Format3DParser.Parse(video.Path, NamingOptions);
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Set3DFormat(video, result.Is3D, result.Format3D);
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}
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/// <summary>
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/// Determines whether [is DVD directory] [the specified directory name].
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/// </summary>
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/// <param name="fullPath">The full path of the directory.</param>
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/// <param name="directoryName">The name of the directory.</param>
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/// <param name="directoryService">The directory service.</param>
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/// <returns><c>true</c> if the provided directory is a DVD directory, <c>false</c> otherwise.</returns>
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protected bool IsDvdDirectory(string fullPath, string directoryName, IDirectoryService directoryService)
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{
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if (!string.Equals(directoryName, "video_ts", StringComparison.OrdinalIgnoreCase))
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{
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return false;
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}
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return directoryService.GetFilePaths(fullPath).Any(i => Path.GetExtension(i.AsSpan()).Equals(".vob", StringComparison.OrdinalIgnoreCase));
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}
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/// <summary>
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/// Determines whether [is DVD file] [the specified name].
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/// </summary>
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/// <param name="name">The name.</param>
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/// <returns><c>true</c> if [is DVD file] [the specified name]; otherwise, <c>false</c>.</returns>
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protected bool IsDvdFile(string name)
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{
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return string.Equals(name, "video_ts.ifo", StringComparison.OrdinalIgnoreCase);
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}
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/// <summary>
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/// Determines whether [is bluray directory] [the specified directory name].
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/// </summary>
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/// <param name="directoryName">The directory name.</param>
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/// <returns>Whether the directory is a bluray directory.</returns>
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protected bool IsBluRayDirectory(string directoryName)
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{
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return string.Equals(directoryName, "bdmv", StringComparison.OrdinalIgnoreCase);
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}
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}
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}
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