Make probesize and analyzeduration configurable and simplify circular

dependencies

Makes the probesize and analyzeduration configurable with env args.
(`JELLYFIN_FFmpeg_probesize` and `FFmpeg_analyzeduration`)

Emby.Server.Implementations/ApplicationHost.cs

@@ -886,16 +886,14 @@ namespace Emby.Server.Implementations
             serviceCollection.AddSingleton(ChapterManager);
 
             MediaEncoder = new MediaBrowser.MediaEncoding.Encoder.MediaEncoder(
-                LoggerFactory,
+                LoggerFactory.CreateLogger<MediaBrowser.MediaEncoding.Encoder.MediaEncoder>(),
-                JsonSerializer,
-                StartupOptions.FFmpegPath,
                 ServerConfigurationManager,
                 FileSystemManager,
-                () => SubtitleEncoder,
-                () => MediaSourceManager,
                 ProcessFactory,
-                5000,
+                LocalizationManager,
-                LocalizationManager);
+                () => SubtitleEncoder,
+                _configuration,
+                StartupOptions.FFmpegPath);
             serviceCollection.AddSingleton(MediaEncoder);
 
             EncodingManager = new MediaEncoder.EncodingManager(FileSystemManager, LoggerFactory, MediaEncoder, ChapterManager, LibraryManager);
@@ -912,10 +910,19 @@ namespace Emby.Server.Implementations
             AuthService = new AuthService(authContext, ServerConfigurationManager, SessionManager, NetworkManager);
             serviceCollection.AddSingleton(AuthService);
 
-            SubtitleEncoder = new MediaBrowser.MediaEncoding.Subtitles.SubtitleEncoder(LibraryManager, LoggerFactory, ApplicationPaths, FileSystemManager, MediaEncoder, JsonSerializer, HttpClient, MediaSourceManager, ProcessFactory);
+            SubtitleEncoder = new MediaBrowser.MediaEncoding.Subtitles.SubtitleEncoder(
+                LibraryManager,
+                LoggerFactory.CreateLogger<MediaBrowser.MediaEncoding.Subtitles.SubtitleEncoder>(),
+                ApplicationPaths,
+                FileSystemManager,
+                MediaEncoder,
+                HttpClient,
+                MediaSourceManager,
+                ProcessFactory);
             serviceCollection.AddSingleton(SubtitleEncoder);
 
             serviceCollection.AddSingleton(typeof(IResourceFileManager), typeof(ResourceFileManager));
+            serviceCollection.AddSingleton<EncodingHelper>();
 
             _displayPreferencesRepository.Initialize();
 

Emby.Server.Implementations/ConfigurationOptions.cs

@@ -1,13 +1,16 @@
 using System.Collections.Generic;
+using static MediaBrowser.Controller.Extensions.ConfigurationExtensions;
 
 namespace Emby.Server.Implementations
 {
     public static class ConfigurationOptions
     {
-        public static readonly Dictionary<string, string> Configuration = new Dictionary<string, string>
+        public static Dictionary<string, string> Configuration => new Dictionary<string, string>
         {
-            { "HttpListenerHost:DefaultRedirectPath", "web/index.html" },
+            { "HttpListenerHost_DefaultRedirectPath", "web/index.html" },
-            { "MusicBrainz:BaseUrl", "https://www.musicbrainz.org" }
+            { "MusicBrainz_BaseUrl", "https://www.musicbrainz.org" },
+            { FfmpegProbeSizeKey, "1G" },
+            { FfmpegAnalyzeDuration, "200M" }
         };
     }
 }

Emby.Server.Implementations/Emby.Server.Implementations.csproj

@@ -28,7 +28,6 @@
     <PackageReference Include="Microsoft.AspNetCore.ResponseCompression" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.WebSockets" Version="2.2.1" />
-    <PackageReference Include="Microsoft.Extensions.Logging" Version="3.0.1" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.0.1" />
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="3.0.1" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="3.0.1" />

Emby.Server.Implementations/HttpServer/HttpListenerHost.cs

@@ -56,7 +56,7 @@ namespace Emby.Server.Implementations.HttpServer
             _appHost = applicationHost;
             _logger = logger;
             _config = config;
-            _defaultRedirectPath = configuration["HttpListenerHost:DefaultRedirectPath"];
+            _defaultRedirectPath = configuration["HttpListenerHost_DefaultRedirectPath"];
             _baseUrlPrefix = _config.Configuration.BaseUrl;
             _networkManager = networkManager;
             _jsonSerializer = jsonSerializer;

Jellyfin.Server/Program.cs

@@ -6,6 +6,7 @@ using System.Net;
 using System.Net.Security;
 using System.Reflection;
 using System.Runtime.InteropServices;
+using System.Text;
 using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
@@ -133,6 +134,10 @@ namespace Jellyfin.Server
 
             ApplicationHost.LogEnvironmentInfo(_logger, appPaths);
 
+            // Make sure we have all the code pages we can get
+            // Ref: https://docs.microsoft.com/en-us/dotnet/api/system.text.codepagesencodingprovider.instance?view=netcore-3.0#remarks
+            Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
+
             // Increase the max http request limit
             // The default connection limit is 10 for ASP.NET hosted applications and 2 for all others.
             ServicePointManager.DefaultConnectionLimit = Math.Max(96, ServicePointManager.DefaultConnectionLimit);
@@ -369,9 +374,9 @@ namespace Jellyfin.Server
 
             return new ConfigurationBuilder()
                 .SetBasePath(appPaths.ConfigurationDirectoryPath)
+                .AddInMemoryCollection(ConfigurationOptions.Configuration)
                 .AddJsonFile("logging.json", false, true)
                 .AddEnvironmentVariables("JELLYFIN_")
-                .AddInMemoryCollection(ConfigurationOptions.Configuration)
                 .Build();
         }
 

MediaBrowser.Api/Playback/BaseStreamingService.cs

@@ -69,8 +69,6 @@ namespace MediaBrowser.Api.Playback
 
         protected IDeviceManager DeviceManager { get; private set; }
 
-        protected ISubtitleEncoder SubtitleEncoder { get; private set; }
-
         protected IMediaSourceManager MediaSourceManager { get; private set; }
 
         protected IJsonSerializer JsonSerializer { get; private set; }
@@ -96,11 +94,11 @@ namespace MediaBrowser.Api.Playback
             IMediaEncoder mediaEncoder,
             IFileSystem fileSystem,
             IDlnaManager dlnaManager,
-            ISubtitleEncoder subtitleEncoder,
             IDeviceManager deviceManager,
             IMediaSourceManager mediaSourceManager,
             IJsonSerializer jsonSerializer,
-            IAuthorizationContext authorizationContext)
+            IAuthorizationContext authorizationContext,
+            EncodingHelper encodingHelper)
         {
             ServerConfigurationManager = serverConfig;
             UserManager = userManager;
@@ -109,13 +107,12 @@ namespace MediaBrowser.Api.Playback
             MediaEncoder = mediaEncoder;
             FileSystem = fileSystem;
             DlnaManager = dlnaManager;
-            SubtitleEncoder = subtitleEncoder;
             DeviceManager = deviceManager;
             MediaSourceManager = mediaSourceManager;
             JsonSerializer = jsonSerializer;
             AuthorizationContext = authorizationContext;
 
-            EncodingHelper = new EncodingHelper(MediaEncoder, FileSystem, SubtitleEncoder);
+            EncodingHelper = encodingHelper;
         }
 
         /// <summary>
@@ -152,8 +149,6 @@ namespace MediaBrowser.Api.Playback
             return Path.Combine(folder, filename + ext);
         }
 
-        protected readonly CultureInfo UsCulture = new CultureInfo("en-US");
-
         protected virtual string GetDefaultEncoderPreset()
         {
             return "superfast";

MediaBrowser.Api/Playback/Hls/BaseHlsService.cs

@@ -25,6 +25,34 @@ namespace MediaBrowser.Api.Playback.Hls
     /// </summary>
     public abstract class BaseHlsService : BaseStreamingService
     {
+        public BaseHlsService(
+            IServerConfigurationManager serverConfig,
+            IUserManager userManager,
+            ILibraryManager libraryManager,
+            IIsoManager isoManager,
+            IMediaEncoder mediaEncoder,
+            IFileSystem fileSystem,
+            IDlnaManager dlnaManager,
+            IDeviceManager deviceManager,
+            IMediaSourceManager mediaSourceManager,
+            IJsonSerializer jsonSerializer,
+            IAuthorizationContext authorizationContext,
+            EncodingHelper encodingHelper)
+                : base(serverConfig,
+                    userManager,
+                    libraryManager,
+                    isoManager,
+                    mediaEncoder,
+                    fileSystem,
+                    dlnaManager,
+                    deviceManager,
+                    mediaSourceManager,
+                    jsonSerializer,
+                    authorizationContext,
+                    encodingHelper)
+        {
+        }
+
         /// <summary>
         /// Gets the audio arguments.
         /// </summary>
@@ -313,33 +341,5 @@ namespace MediaBrowser.Api.Playback.Hls
         {
             return 0;
         }
-
-        public BaseHlsService(
-            IServerConfigurationManager serverConfig,
-            IUserManager userManager,
-            ILibraryManager libraryManager,
-            IIsoManager isoManager,
-            IMediaEncoder mediaEncoder,
-            IFileSystem fileSystem,
-            IDlnaManager dlnaManager,
-            ISubtitleEncoder subtitleEncoder,
-            IDeviceManager deviceManager,
-            IMediaSourceManager mediaSourceManager,
-            IJsonSerializer jsonSerializer,
-            IAuthorizationContext authorizationContext)
-                : base(serverConfig,
-                    userManager,
-                    libraryManager,
-                    isoManager,
-                    mediaEncoder,
-                    fileSystem,
-                    dlnaManager,
-                    subtitleEncoder,
-                    deviceManager,
-                    mediaSourceManager,
-                    jsonSerializer,
-                    authorizationContext)
-        {
-        }
     }
 }

MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs

@@ -94,7 +94,6 @@ namespace MediaBrowser.Api.Playback.Hls
     [Authenticated]
     public class DynamicHlsService : BaseHlsService
     {
-
         public DynamicHlsService(
             IServerConfigurationManager serverConfig,
             IUserManager userManager,
@@ -103,12 +102,12 @@ namespace MediaBrowser.Api.Playback.Hls
             IMediaEncoder mediaEncoder,
             IFileSystem fileSystem,
             IDlnaManager dlnaManager,
-            ISubtitleEncoder subtitleEncoder,
             IDeviceManager deviceManager,
             IMediaSourceManager mediaSourceManager,
             IJsonSerializer jsonSerializer,
             IAuthorizationContext authorizationContext,
-            INetworkManager networkManager)
+            INetworkManager networkManager,
+            EncodingHelper encodingHelper)
             : base(serverConfig,
                 userManager,
                 libraryManager,
@@ -116,11 +115,11 @@ namespace MediaBrowser.Api.Playback.Hls
                 mediaEncoder,
                 fileSystem,
                 dlnaManager,
-                subtitleEncoder,
                 deviceManager,
                 mediaSourceManager,
                 jsonSerializer,
-                authorizationContext)
+                authorizationContext,
+                encodingHelper)
         {
             NetworkManager = networkManager;
         }

MediaBrowser.Api/Playback/Hls/VideoHlsService.cs

@@ -26,6 +26,34 @@ namespace MediaBrowser.Api.Playback.Hls
     [Authenticated]
     public class VideoHlsService : BaseHlsService
     {
+        public VideoHlsService(
+            IServerConfigurationManager serverConfig,
+            IUserManager userManager,
+            ILibraryManager libraryManager,
+            IIsoManager isoManager,
+            IMediaEncoder mediaEncoder,
+            IFileSystem fileSystem,
+            IDlnaManager dlnaManager,
+            IDeviceManager deviceManager,
+            IMediaSourceManager mediaSourceManager,
+            IJsonSerializer jsonSerializer,
+            IAuthorizationContext authorizationContext,
+            EncodingHelper encodingHelper)
+                : base(serverConfig,
+                    userManager,
+                    libraryManager,
+                    isoManager,
+                    mediaEncoder,
+                    fileSystem,
+                    dlnaManager,
+                    deviceManager,
+                    mediaSourceManager,
+                    jsonSerializer,
+                    authorizationContext,
+                    encodingHelper)
+        {
+        }
+
         public Task<object> Get(GetLiveHlsStream request)
         {
             return ProcessRequestAsync(request, true);
@@ -135,33 +163,5 @@ namespace MediaBrowser.Api.Playback.Hls
 
             return args;
         }
-
-        public VideoHlsService(
-            IServerConfigurationManager serverConfig,
-            IUserManager userManager,
-            ILibraryManager libraryManager,
-            IIsoManager isoManager,
-            IMediaEncoder mediaEncoder,
-            IFileSystem fileSystem,
-            IDlnaManager dlnaManager,
-            ISubtitleEncoder subtitleEncoder,
-            IDeviceManager deviceManager,
-            IMediaSourceManager mediaSourceManager,
-            IJsonSerializer jsonSerializer,
-            IAuthorizationContext authorizationContext)
-                : base(serverConfig,
-                    userManager,
-                    libraryManager,
-                    isoManager,
-                    mediaEncoder,
-                    fileSystem,
-                    dlnaManager,
-                    subtitleEncoder,
-                    deviceManager,
-                    mediaSourceManager,
-                    jsonSerializer,
-                    authorizationContext)
-        {
-        }
     }
 }

MediaBrowser.Api/Playback/Progressive/AudioService.cs

@@ -40,11 +40,11 @@ namespace MediaBrowser.Api.Playback.Progressive
             IMediaEncoder mediaEncoder,
             IFileSystem fileSystem,
             IDlnaManager dlnaManager,
-            ISubtitleEncoder subtitleEncoder,
             IDeviceManager deviceManager,
             IMediaSourceManager mediaSourceManager,
             IJsonSerializer jsonSerializer,
-            IAuthorizationContext authorizationContext)
+            IAuthorizationContext authorizationContext,
+            EncodingHelper encodingHelper)
                 : base(httpClient,
                     serverConfig,
                     userManager,
@@ -53,11 +53,11 @@ namespace MediaBrowser.Api.Playback.Progressive
                     mediaEncoder,
                     fileSystem,
                     dlnaManager,
-                    subtitleEncoder,
                     deviceManager,
                     mediaSourceManager,
                     jsonSerializer,
-                    authorizationContext)
+                    authorizationContext,
+                    encodingHelper)
         {
         }
 

MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs

@@ -35,23 +35,24 @@ namespace MediaBrowser.Api.Playback.Progressive
             IMediaEncoder mediaEncoder,
             IFileSystem fileSystem,
             IDlnaManager dlnaManager,
-            ISubtitleEncoder subtitleEncoder,
             IDeviceManager deviceManager,
             IMediaSourceManager mediaSourceManager,
             IJsonSerializer jsonSerializer,
-            IAuthorizationContext authorizationContext)
+            IAuthorizationContext authorizationContext,
-            : base(serverConfig,
+            EncodingHelper encodingHelper)
+            : base(
+                serverConfig,
                 userManager,
                 libraryManager,
                 isoManager,
                 mediaEncoder,
                 fileSystem,
                 dlnaManager,
-                subtitleEncoder,
                 deviceManager,
                 mediaSourceManager,
                 jsonSerializer,
-                authorizationContext)
+                authorizationContext,
+                encodingHelper)
         {
             HttpClient = httpClient;
         }

MediaBrowser.Api/Playback/Progressive/VideoService.cs

@@ -77,11 +77,11 @@ namespace MediaBrowser.Api.Playback.Progressive
             IMediaEncoder mediaEncoder,
             IFileSystem fileSystem,
             IDlnaManager dlnaManager,
-            ISubtitleEncoder subtitleEncoder,
             IDeviceManager deviceManager,
             IMediaSourceManager mediaSourceManager,
             IJsonSerializer jsonSerializer,
-            IAuthorizationContext authorizationContext)
+            IAuthorizationContext authorizationContext,
+            EncodingHelper encodingHelper)
             : base(httpClient,
                 serverConfig,
                 userManager,
@@ -90,11 +90,11 @@ namespace MediaBrowser.Api.Playback.Progressive
                 mediaEncoder,
                 fileSystem,
                 dlnaManager,
-                subtitleEncoder,
                 deviceManager,
                 mediaSourceManager,
                 jsonSerializer,
-                authorizationContext)
+                authorizationContext,
+                encodingHelper)
         {
         }
 

MediaBrowser.Api/Playback/UniversalAudioService.cs

@@ -9,7 +9,6 @@ using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Devices;
 using MediaBrowser.Controller.Dlna;
-using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.MediaEncoding;
 using MediaBrowser.Controller.Net;
@@ -75,6 +74,9 @@ namespace MediaBrowser.Api.Playback
     [Authenticated]
     public class UniversalAudioService : BaseApiService
     {
+        private readonly ILoggerFactory _loggerFactory;
+        private readonly EncodingHelper _encodingHelper;
+
         public UniversalAudioService(
             IHttpClient httpClient,
             IServerConfigurationManager serverConfigurationManager,
@@ -85,14 +87,12 @@ namespace MediaBrowser.Api.Playback
             IFileSystem fileSystem,
             IDlnaManager dlnaManager,
             IDeviceManager deviceManager,
-            ISubtitleEncoder subtitleEncoder,
             IMediaSourceManager mediaSourceManager,
-            IZipClient zipClient,
             IJsonSerializer jsonSerializer,
             IAuthorizationContext authorizationContext,
-            IImageProcessor imageProcessor,
             INetworkManager networkManager,
-            ILoggerFactory loggerFactory)
+            ILoggerFactory loggerFactory,
+            EncodingHelper encodingHelper)
         {
             HttpClient = httpClient;
             ServerConfigurationManager = serverConfigurationManager;
@@ -103,15 +103,12 @@ namespace MediaBrowser.Api.Playback
             FileSystem = fileSystem;
             DlnaManager = dlnaManager;
             DeviceManager = deviceManager;
-            SubtitleEncoder = subtitleEncoder;
             MediaSourceManager = mediaSourceManager;
-            ZipClient = zipClient;
             JsonSerializer = jsonSerializer;
             AuthorizationContext = authorizationContext;
-            ImageProcessor = imageProcessor;
             NetworkManager = networkManager;
             _loggerFactory = loggerFactory;
-            _logger = loggerFactory.CreateLogger(nameof(UniversalAudioService));
+            _encodingHelper = encodingHelper;
         }
 
         protected IHttpClient HttpClient { get; private set; }
@@ -123,15 +120,10 @@ namespace MediaBrowser.Api.Playback
         protected IFileSystem FileSystem { get; private set; }
         protected IDlnaManager DlnaManager { get; private set; }
         protected IDeviceManager DeviceManager { get; private set; }
-        protected ISubtitleEncoder SubtitleEncoder { get; private set; }
         protected IMediaSourceManager MediaSourceManager { get; private set; }
-        protected IZipClient ZipClient { get; private set; }
         protected IJsonSerializer JsonSerializer { get; private set; }
         protected IAuthorizationContext AuthorizationContext { get; private set; }
-        protected IImageProcessor ImageProcessor { get; private set; }
         protected INetworkManager NetworkManager { get; private set; }
-        private ILoggerFactory _loggerFactory;
-        private ILogger _logger;
 
         public Task<object> Get(GetUniversalAudioStream request)
         {
@@ -242,7 +234,17 @@ namespace MediaBrowser.Api.Playback
 
             AuthorizationContext.GetAuthorizationInfo(Request).DeviceId = request.DeviceId;
 
-            var mediaInfoService = new MediaInfoService(MediaSourceManager, DeviceManager, LibraryManager, ServerConfigurationManager, NetworkManager, MediaEncoder, UserManager, JsonSerializer, AuthorizationContext, _loggerFactory)
+            var mediaInfoService = new MediaInfoService(
+                MediaSourceManager,
+                DeviceManager,
+                LibraryManager,
+                ServerConfigurationManager,
+                NetworkManager,
+                MediaEncoder,
+                UserManager,
+                JsonSerializer,
+                AuthorizationContext,
+                _loggerFactory)
             {
                 Request = Request
             };
@@ -276,19 +278,20 @@ namespace MediaBrowser.Api.Playback
 
             if (!isStatic && string.Equals(mediaSource.TranscodingSubProtocol, "hls", StringComparison.OrdinalIgnoreCase))
             {
-                var service = new DynamicHlsService(ServerConfigurationManager,
+                var service = new DynamicHlsService(
-                  UserManager,
+                    ServerConfigurationManager,
-                  LibraryManager,
+                    UserManager,
-                  IsoManager,
+                    LibraryManager,
-                  MediaEncoder,
+                    IsoManager,
-                  FileSystem,
+                    MediaEncoder,
-                  DlnaManager,
+                    FileSystem,
-                  SubtitleEncoder,
+                    DlnaManager,
-                  DeviceManager,
+                    DeviceManager,
-                  MediaSourceManager,
+                    MediaSourceManager,
-                  JsonSerializer,
+                    JsonSerializer,
-                  AuthorizationContext,
+                    AuthorizationContext,
-                  NetworkManager)
+                    NetworkManager,
+                    _encodingHelper)
                 {
                     Request = Request
                 };
@@ -330,11 +333,11 @@ namespace MediaBrowser.Api.Playback
                     MediaEncoder,
                     FileSystem,
                     DlnaManager,
-                    SubtitleEncoder,
                     DeviceManager,
                     MediaSourceManager,
                     JsonSerializer,
-                    AuthorizationContext)
+                    AuthorizationContext,
+                    _encodingHelper)
                 {
                     Request = Request
                 };

MediaBrowser.Controller/Entities/Video.cs

@@ -137,7 +137,7 @@ namespace MediaBrowser.Controller.Entities
         /// <value>The video3 D format.</value>
         public Video3DFormat? Video3DFormat { get; set; }
 
-        public string[] GetPlayableStreamFileNames(IMediaEncoder mediaEncoder)
+        public string[] GetPlayableStreamFileNames()
         {
             var videoType = VideoType;
 
@@ -153,7 +153,8 @@ namespace MediaBrowser.Controller.Entities
             {
                 return Array.Empty<string>();
             }
-            return mediaEncoder.GetPlayableStreamFileNames(Path, videoType);
+
+            throw new NotImplementedException();
         }
 
         /// <summary>

MediaBrowser.Controller/Extensions/ConfigurationExtensions.cs

@@ -0,0 +1,36 @@
+using Microsoft.Extensions.Configuration;
+
+namespace MediaBrowser.Controller.Extensions
+{
+    /// <summary>
+    /// Configuration extensions for <c>MediaBrowser.Controller</c>.
+    /// </summary>
+    public static class ConfigurationExtensions
+    {
+        /// <summary>
+        /// The key for the FFmpeg probe size option.
+        /// </summary>
+        public const string FfmpegProbeSizeKey = "FFmpeg_probesize";
+
+        /// <summary>
+        /// The key for the FFmpeg analyse duration option.
+        /// </summary>
+        public const string FfmpegAnalyzeDuration = "FFmpeg_analyzeduration";
+
+        /// <summary>
+        /// Retrieves the FFmpeg probe size from the <see cref="IConfiguration" />.
+        /// </summary>
+        /// <param name="configuration">This configuration.</param>
+        /// <returns>The FFmpeg probe size option.</returns>
+        public static string GetProbeSize(this IConfiguration configuration)
+            => configuration[FfmpegProbeSizeKey];
+
+        /// <summary>
+        /// Retrieves the FFmpeg analyse duration from the <see cref="IConfiguration" />.
+        /// </summary>
+        /// <param name="configuration">This configuration.</param>
+        /// <returns>The FFmpeg analyse duration option.</returns>
+        public static string GetAnalyzeDuration(this IConfiguration configuration)
+            => configuration[FfmpegAnalyzeDuration];
+    }
+}

MediaBrowser.Controller/MediaBrowser.Controller.csproj

@@ -7,6 +7,10 @@
     <RepositoryUrl>https://github.com/jellyfin/jellyfin</RepositoryUrl>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="3.0.0" />
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\MediaBrowser.Model\MediaBrowser.Model.csproj" />
     <ProjectReference Include="..\MediaBrowser.Common\MediaBrowser.Common.csproj" />

MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs

@@ -12,6 +12,7 @@ using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.MediaInfo;
+using Microsoft.Extensions.Configuration;
 
 namespace MediaBrowser.Controller.MediaEncoding
 {
@@ -22,6 +23,7 @@ namespace MediaBrowser.Controller.MediaEncoding
         private readonly IMediaEncoder _mediaEncoder;
         private readonly IFileSystem _fileSystem;
         private readonly ISubtitleEncoder _subtitleEncoder;
+        private readonly IConfiguration _configuration;
 
         private static readonly string[] _videoProfiles = new[]
         {
@@ -34,11 +36,16 @@ namespace MediaBrowser.Controller.MediaEncoding
             "ConstrainedHigh"
         };
 
-        public EncodingHelper(IMediaEncoder mediaEncoder, IFileSystem fileSystem, ISubtitleEncoder subtitleEncoder)
+        public EncodingHelper(
+            IMediaEncoder mediaEncoder,
+            IFileSystem fileSystem,
+            ISubtitleEncoder subtitleEncoder,
+            IConfiguration configuration)
         {
             _mediaEncoder = mediaEncoder;
             _fileSystem = fileSystem;
             _subtitleEncoder = subtitleEncoder;
+            _configuration = configuration;
         }
 
         public string GetH264Encoder(EncodingJobInfo state, EncodingOptions encodingOptions)
@@ -172,7 +179,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             return string.Empty;
         }
 
-        public string GetInputFormat(string container)
+        public static string GetInputFormat(string container)
         {
             if (string.IsNullOrEmpty(container))
             {
@@ -641,7 +648,11 @@ namespace MediaBrowser.Controller.MediaEncoding
 
                 if (!string.IsNullOrEmpty(state.SubtitleStream.Language))
                 {
-                    var charenc = _subtitleEncoder.GetSubtitleFileCharacterSet(subtitlePath, state.SubtitleStream.Language, state.MediaSource.Protocol, CancellationToken.None).Result;
+                    var charenc = _subtitleEncoder.GetSubtitleFileCharacterSet(
+                        subtitlePath,
+                        state.SubtitleStream.Language,
+                        state.MediaSource.Protocol,
+                        CancellationToken.None).GetAwaiter().GetResult();
 
                     if (!string.IsNullOrEmpty(charenc))
                     {
@@ -1897,7 +1908,7 @@ namespace MediaBrowser.Controller.MediaEncoding
                 // If transcoding from 10 bit, transform colour spaces too
                 if (!string.IsNullOrEmpty(videoStream.PixelFormat)
                     && videoStream.PixelFormat.IndexOf("p10", StringComparison.OrdinalIgnoreCase) != -1
-                    && string.Equals(outputVideoCodec,"libx264", StringComparison.OrdinalIgnoreCase))
+                    && string.Equals(outputVideoCodec, "libx264", StringComparison.OrdinalIgnoreCase))
                 {
                     filters.Add("format=p010le");
                     filters.Add("format=nv12");
@@ -1946,7 +1957,9 @@ namespace MediaBrowser.Controller.MediaEncoding
 
             var output = string.Empty;
 
-            if (state.SubtitleStream != null && state.SubtitleStream.IsTextSubtitleStream && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode)
+            if (state.SubtitleStream != null
+                && state.SubtitleStream.IsTextSubtitleStream
+                && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode)
             {
                 var subParam = GetTextSubtitleParam(state);
 
@@ -2035,11 +2048,11 @@ namespace MediaBrowser.Controller.MediaEncoding
             }
         }
 
-        public static string GetProbeSizeArgument(int numInputFiles)
+        public string GetProbeSizeArgument(int numInputFiles)
-            => numInputFiles > 1 ? "-probesize 1G" : "";
+            => numInputFiles > 1 ? "-probesize " + _configuration["FFmpeg:probesize"] : string.Empty;
 
-        public static string GetAnalyzeDurationArgument(int numInputFiles)
+        public string GetAnalyzeDurationArgument(int numInputFiles)
-            => numInputFiles > 1 ? "-analyzeduration 200M" : "";
+            => numInputFiles > 1 ? "-analyzeduration " + _configuration["FFmpeg:analyzeduration"] : string.Empty;
 
         public string GetInputModifier(EncodingJobInfo state, EncodingOptions encodingOptions)
         {

MediaBrowser.Controller/MediaEncoding/IMediaEncoder.cs

@@ -15,6 +15,9 @@ namespace MediaBrowser.Controller.MediaEncoding
     /// </summary>
     public interface IMediaEncoder : ITranscoderSupport
     {
+        /// <summary>
+        /// The location of the discovered FFmpeg tool.
+        /// </summary>
         FFmpegLocation EncoderLocation { get; }
 
         /// <summary>
@@ -97,7 +100,6 @@ namespace MediaBrowser.Controller.MediaEncoding
         void UpdateEncoderPath(string path, string pathType);
         bool SupportsEncoder(string encoder);
 
-        string[] GetPlayableStreamFileNames(string path, VideoType videoType);
         IEnumerable<string> GetPrimaryPlaylistVobFiles(string path, IIsoMount isoMount, uint? titleNumber);
     }
 }

MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs

@@ -3,13 +3,13 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Linq;
+using System.Text.Json;
 using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Controller.Configuration;
-using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.MediaEncoding;
 using MediaBrowser.MediaEncoding.Probing;
 using MediaBrowser.Model.Configuration;
@@ -19,9 +19,9 @@ using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Globalization;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.MediaInfo;
-using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.System;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Configuration;
 
 namespace MediaBrowser.MediaEncoding.Encoder
 {
@@ -31,55 +31,60 @@ namespace MediaBrowser.MediaEncoding.Encoder
     public class MediaEncoder : IMediaEncoder, IDisposable
     {
         /// <summary>
-        /// Gets the encoder path.
+        /// The default image extraction timeout in milliseconds.
         /// </summary>
-        /// <value>The encoder path.</value>
+        internal const int DefaultImageExtractionTimeout = 5000;
-        public string EncoderPath => FFmpegPath;
-
-        /// <summary>
-        /// The location of the discovered FFmpeg tool.
-        /// </summary>
-        public FFmpegLocation EncoderLocation { get; private set; }
 
         private readonly ILogger _logger;
-        private readonly IJsonSerializer _jsonSerializer;
+        private readonly IServerConfigurationManager _configurationManager;
-        private string FFmpegPath;
+        private readonly IFileSystem _fileSystem;
-        private string FFprobePath;
-        protected readonly IServerConfigurationManager ConfigurationManager;
-        protected readonly IFileSystem FileSystem;
-        protected readonly Func<ISubtitleEncoder> SubtitleEncoder;
-        protected readonly Func<IMediaSourceManager> MediaSourceManager;
         private readonly IProcessFactory _processFactory;
-        private readonly int DefaultImageExtractionTimeoutMs;
+        private readonly ILocalizationManager _localization;
-        private readonly string StartupOptionFFmpegPath;
+        private readonly Func<ISubtitleEncoder> _subtitleEncoder;
+        private readonly IConfiguration _configuration;
+        private readonly string _startupOptionFFmpegPath;
 
         private readonly SemaphoreSlim _thumbnailResourcePool = new SemaphoreSlim(2, 2);
+
+        private readonly object _runningProcessesLock = new object();
         private readonly List<ProcessWrapper> _runningProcesses = new List<ProcessWrapper>();
-        private readonly ILocalizationManager _localization;
+
+        private EncodingHelper _encodingHelper;
+
+        private string _ffmpegPath;
+        private string _ffprobePath;
 
         public MediaEncoder(
-            ILoggerFactory loggerFactory,
+            ILogger<MediaEncoder> logger,
-            IJsonSerializer jsonSerializer,
-            string startupOptionsFFmpegPath,
             IServerConfigurationManager configurationManager,
             IFileSystem fileSystem,
-            Func<ISubtitleEncoder> subtitleEncoder,
-            Func<IMediaSourceManager> mediaSourceManager,
             IProcessFactory processFactory,
-            int defaultImageExtractionTimeoutMs,
+            ILocalizationManager localization,
-            ILocalizationManager localization)
+            Func<ISubtitleEncoder> subtitleEncoder,
-        {
+            IConfiguration configuration,
-            _logger = loggerFactory.CreateLogger(nameof(MediaEncoder));
+            string startupOptionsFFmpegPath)
-            _jsonSerializer = jsonSerializer;
+        {
-            StartupOptionFFmpegPath = startupOptionsFFmpegPath;
+            _logger = logger;
-            ConfigurationManager = configurationManager;
+            _configurationManager = configurationManager;
-            FileSystem = fileSystem;
+            _fileSystem = fileSystem;
-            SubtitleEncoder = subtitleEncoder;
             _processFactory = processFactory;
-            DefaultImageExtractionTimeoutMs = defaultImageExtractionTimeoutMs;
             _localization = localization;
+            _startupOptionFFmpegPath = startupOptionsFFmpegPath;
+            _subtitleEncoder = subtitleEncoder;
+            _configuration = configuration;
         }
 
+        private EncodingHelper EncodingHelper
+            => LazyInitializer.EnsureInitialized(
+                ref _encodingHelper,
+                () => new EncodingHelper(this, _fileSystem, _subtitleEncoder(), _configuration));
+
+        /// <inheritdoc />
+        public string EncoderPath => _ffmpegPath;
+
+        /// <inheritdoc />
+        public FFmpegLocation EncoderLocation { get; private set; }
+
         /// <summary>
         /// Run at startup or if the user removes a Custom path from transcode page.
         /// Sets global variables FFmpegPath.
@@ -88,39 +93,39 @@ namespace MediaBrowser.MediaEncoding.Encoder
         public void SetFFmpegPath()
         {
             // 1) Custom path stored in config/encoding xml file under tag <EncoderAppPath> takes precedence
-            if (!ValidatePath(ConfigurationManager.GetConfiguration<EncodingOptions>("encoding").EncoderAppPath, FFmpegLocation.Custom))
+            if (!ValidatePath(_configurationManager.GetConfiguration<EncodingOptions>("encoding").EncoderAppPath, FFmpegLocation.Custom))
             {
                 // 2) Check if the --ffmpeg CLI switch has been given
-                if (!ValidatePath(StartupOptionFFmpegPath, FFmpegLocation.SetByArgument))
+                if (!ValidatePath(_startupOptionFFmpegPath, FFmpegLocation.SetByArgument))
                 {
                     // 3) Search system $PATH environment variable for valid FFmpeg
                     if (!ValidatePath(ExistsOnSystemPath("ffmpeg"), FFmpegLocation.System))
                     {
                         EncoderLocation = FFmpegLocation.NotFound;
-                        FFmpegPath = null;
+                        _ffmpegPath = null;
                     }
                 }
             }
 
             // Write the FFmpeg path to the config/encoding.xml file as <EncoderAppPathDisplay> so it appears in UI
-            var config = ConfigurationManager.GetConfiguration<EncodingOptions>("encoding");
+            var config = _configurationManager.GetConfiguration<EncodingOptions>("encoding");
-            config.EncoderAppPathDisplay = FFmpegPath ?? string.Empty;
+            config.EncoderAppPathDisplay = _ffmpegPath ?? string.Empty;
-            ConfigurationManager.SaveConfiguration("encoding", config);
+            _configurationManager.SaveConfiguration("encoding", config);
 
             // Only if mpeg path is set, try and set path to probe
-            if (FFmpegPath != null)
+            if (_ffmpegPath != null)
             {
                 // Determine a probe path from the mpeg path
-                FFprobePath = Regex.Replace(FFmpegPath, @"[^\/\\]+?(\.[^\/\\\n.]+)?$", @"ffprobe$1");
+                _ffprobePath = Regex.Replace(_ffmpegPath, @"[^\/\\]+?(\.[^\/\\\n.]+)?$", @"ffprobe$1");
 
                 // Interrogate to understand what coders are supported
-                var validator = new EncoderValidator(_logger, FFmpegPath);
+                var validator = new EncoderValidator(_logger, _ffmpegPath);
 
                 SetAvailableDecoders(validator.GetDecoders());
                 SetAvailableEncoders(validator.GetEncoders());
             }
 
-            _logger.LogInformation("FFmpeg: {0}: {1}", EncoderLocation, FFmpegPath ?? string.Empty);
+            _logger.LogInformation("FFmpeg: {0}: {1}", EncoderLocation, _ffmpegPath ?? string.Empty);
         }
 
         /// <summary>
@@ -160,9 +165,9 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
             // Write the new ffmpeg path to the xml as <EncoderAppPath>
             // This ensures its not lost on next startup
-            var config = ConfigurationManager.GetConfiguration<EncodingOptions>("encoding");
+            var config = _configurationManager.GetConfiguration<EncodingOptions>("encoding");
             config.EncoderAppPath = newPath;
-            ConfigurationManager.SaveConfiguration("encoding", config);
+            _configurationManager.SaveConfiguration("encoding", config);
 
             // Trigger SetFFmpegPath so we validate the new path and setup probe path
             SetFFmpegPath();
@@ -193,7 +198,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
                     // ToDo - Enable the ffmpeg validator.  At the moment any version can be used.
                     rc = true;
 
-                    FFmpegPath = path;
+                    _ffmpegPath = path;
                     EncoderLocation = location;
                 }
                 else
@@ -209,7 +214,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
         {
             try
             {
-                var files = FileSystem.GetFilePaths(path);
+                var files = _fileSystem.GetFilePaths(path);
 
                 var excludeExtensions = new[] { ".c" };
 
@@ -304,7 +309,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
         {
             var extractChapters = request.MediaType == DlnaProfileType.Video && request.ExtractChapters;
 
-            var inputFiles = MediaEncoderHelpers.GetInputArgument(FileSystem, request.MediaSource.Path, request.MountedIso, request.PlayableStreamFileNames);
+            var inputFiles = MediaEncoderHelpers.GetInputArgument(_fileSystem, request.MediaSource.Path, request.MountedIso, request.PlayableStreamFileNames);
 
             var probeSize = EncodingHelper.GetProbeSizeArgument(inputFiles.Length);
             string analyzeDuration;
@@ -365,7 +370,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 // Must consume both or ffmpeg may hang due to deadlocks. See comments below.
                 RedirectStandardOutput = true,
 
-                FileName = FFprobePath,
+                FileName = _ffprobePath,
                 Arguments = args,
 
 
@@ -383,7 +388,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 _logger.LogDebug("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
             }
 
-            using (var processWrapper = new ProcessWrapper(process, this, _logger))
+            using (var processWrapper = new ProcessWrapper(process, this))
             {
                 _logger.LogDebug("Starting ffprobe with args {Args}", args);
                 StartProcess(processWrapper);
@@ -391,7 +396,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 InternalMediaInfoResult result;
                 try
                 {
-                    result = await _jsonSerializer.DeserializeFromStreamAsync<InternalMediaInfoResult>(
+                    result = await JsonSerializer.DeserializeAsync<InternalMediaInfoResult>(
                                         process.StandardOutput.BaseStream).ConfigureAwait(false);
                 }
                 catch
@@ -423,7 +428,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
                     }
                 }
 
-                return new ProbeResultNormalizer(_logger, FileSystem, _localization).GetMediaInfo(result, videoType, isAudio, primaryPath, protocol);
+                return new ProbeResultNormalizer(_logger, _fileSystem, _localization).GetMediaInfo(result, videoType, isAudio, primaryPath, protocol);
             }
         }
 
@@ -486,7 +491,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 throw new ArgumentNullException(nameof(inputPath));
             }
 
-            var tempExtractPath = Path.Combine(ConfigurationManager.ApplicationPaths.TempDirectory, Guid.NewGuid() + ".jpg");
+            var tempExtractPath = Path.Combine(_configurationManager.ApplicationPaths.TempDirectory, Guid.NewGuid() + ".jpg");
             Directory.CreateDirectory(Path.GetDirectoryName(tempExtractPath));
 
             // apply some filters to thumbnail extracted below (below) crop any black lines that we made and get the correct ar then scale to width 600.
@@ -545,7 +550,6 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 args = string.Format("-ss {0} ", GetTimeParameter(offset.Value)) + args;
             }
 
-            var encodinghelper = new EncodingHelper(this, FileSystem, SubtitleEncoder());
             if (videoStream != null)
             {
                 /* fix
@@ -559,7 +563,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
             if (!string.IsNullOrWhiteSpace(container))
             {
-                var inputFormat = encodinghelper.GetInputFormat(container);
+                var inputFormat = EncodingHelper.GetInputFormat(container);
                 if (!string.IsNullOrWhiteSpace(inputFormat))
                 {
                     args = "-f " + inputFormat + " " + args;
@@ -570,7 +574,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
             {
                 CreateNoWindow = true,
                 UseShellExecute = false,
-                FileName = FFmpegPath,
+                FileName = _ffmpegPath,
                 Arguments = args,
                 IsHidden = true,
                 ErrorDialog = false,
@@ -579,7 +583,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
             _logger.LogDebug("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
 
-            using (var processWrapper = new ProcessWrapper(process, this, _logger))
+            using (var processWrapper = new ProcessWrapper(process, this))
             {
                 bool ranToCompletion;
 
@@ -588,10 +592,10 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 {
                     StartProcess(processWrapper);
 
-                    var timeoutMs = ConfigurationManager.Configuration.ImageExtractionTimeoutMs;
+                    var timeoutMs = _configurationManager.Configuration.ImageExtractionTimeoutMs;
                     if (timeoutMs <= 0)
                     {
-                        timeoutMs = DefaultImageExtractionTimeoutMs;
+                        timeoutMs = DefaultImageExtractionTimeout;
                     }
 
                     ranToCompletion = await process.WaitForExitAsync(timeoutMs).ConfigureAwait(false);
@@ -607,7 +611,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 }
 
                 var exitCode = ranToCompletion ? processWrapper.ExitCode ?? 0 : -1;
-                var file = FileSystem.GetFileInfo(tempExtractPath);
+                var file = _fileSystem.GetFileInfo(tempExtractPath);
 
                 if (exitCode == -1 || !file.Exists || file.Length == 0)
                 {
@@ -675,7 +679,6 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 args = analyzeDurationArgument + " " + args;
             }
 
-            var encodinghelper = new EncodingHelper(this, FileSystem, SubtitleEncoder());
             if (videoStream != null)
             {
                 /* fix
@@ -689,7 +692,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
             if (!string.IsNullOrWhiteSpace(container))
             {
-                var inputFormat = encodinghelper.GetInputFormat(container);
+                var inputFormat = EncodingHelper.GetInputFormat(container);
                 if (!string.IsNullOrWhiteSpace(inputFormat))
                 {
                     args = "-f " + inputFormat + " " + args;
@@ -700,7 +703,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
             {
                 CreateNoWindow = true,
                 UseShellExecute = false,
-                FileName = FFmpegPath,
+                FileName = _ffmpegPath,
                 Arguments = args,
                 IsHidden = true,
                 ErrorDialog = false,
@@ -713,7 +716,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
             bool ranToCompletion = false;
 
-            using (var processWrapper = new ProcessWrapper(process, this, _logger))
+            using (var processWrapper = new ProcessWrapper(process, this))
             {
                 try
                 {
@@ -736,10 +739,10 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
                         cancellationToken.ThrowIfCancellationRequested();
 
-                        var jpegCount = FileSystem.GetFilePaths(targetDirectory)
+                        var jpegCount = _fileSystem.GetFilePaths(targetDirectory)
                             .Count(i => string.Equals(Path.GetExtension(i), ".jpg", StringComparison.OrdinalIgnoreCase));
 
-                        isResponsive = (jpegCount > lastCount);
+                        isResponsive = jpegCount > lastCount;
                         lastCount = jpegCount;
                     }
 
@@ -770,7 +773,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
         {
             process.Process.Start();
 
-            lock (_runningProcesses)
+            lock (_runningProcessesLock)
             {
                 _runningProcesses.Add(process);
             }
@@ -804,7 +807,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
         private void StopProcesses()
         {
             List<ProcessWrapper> proceses;
-            lock (_runningProcesses)
+            lock (_runningProcessesLock)
             {
                 proceses = _runningProcesses.ToList();
                 _runningProcesses.Clear();
@@ -827,12 +830,11 @@ namespace MediaBrowser.MediaEncoding.Encoder
             return path.Replace('\\', '/').Replace(":", "\\:").Replace("'", "'\\\\\\''");
         }
 
-        /// <summary>
+        /// <inheritdoc />
-        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
-        /// </summary>
         public void Dispose()
         {
             Dispose(true);
+            GC.SuppressFinalize(this);
         }
 
         /// <summary>
@@ -852,11 +854,6 @@ namespace MediaBrowser.MediaEncoding.Encoder
             throw new NotImplementedException();
         }
 
-        public string[] GetPlayableStreamFileNames(string path, VideoType videoType)
-        {
-            throw new NotImplementedException();
-        }
-
         public IEnumerable<string> GetPrimaryPlaylistVobFiles(string path, IIsoMount isoMount, uint? titleNumber)
         {
             throw new NotImplementedException();
@@ -870,21 +867,24 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
         private class ProcessWrapper : IDisposable
         {
-            public readonly IProcess Process;
-            public bool HasExited;
-            public int? ExitCode;
             private readonly MediaEncoder _mediaEncoder;
-            private readonly ILogger _logger;
 
-            public ProcessWrapper(IProcess process, MediaEncoder mediaEncoder, ILogger logger)
+            private bool _disposed = false;
+
+            public ProcessWrapper(IProcess process, MediaEncoder mediaEncoder)
             {
                 Process = process;
                 _mediaEncoder = mediaEncoder;
-                _logger = logger;
+                Process.Exited += OnProcessExited;
-                Process.Exited += Process_Exited;
             }
 
-            void Process_Exited(object sender, EventArgs e)
+            public IProcess Process { get; }
+
+            public bool HasExited { get; private set; }
+
+            public int? ExitCode { get; private set; }
+
+            void OnProcessExited(object sender, EventArgs e)
             {
                 var process = (IProcess)sender;
 
@@ -903,7 +903,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
             private void DisposeProcess(IProcess process)
             {
-                lock (_mediaEncoder._runningProcesses)
+                lock (_mediaEncoder._runningProcessesLock)
                 {
                     _mediaEncoder._runningProcesses.Remove(this);
                 }
@@ -917,23 +917,18 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 }
             }
 
-            private bool _disposed;
-            private readonly object _syncLock = new object();
             public void Dispose()
             {
-                lock (_syncLock)
+                if (!_disposed)
                 {
-                    if (!_disposed)
+                    if (Process != null)
                     {
-                        if (Process != null)
+                        Process.Exited -= OnProcessExited;
-                        {
+                        DisposeProcess(Process);
-                            Process.Exited -= Process_Exited;
-                            DisposeProcess(Process);
-                        }
                     }
-
-                    _disposed = true;
                 }
+
+                _disposed = true;
             }
         }
     }

MediaBrowser.MediaEncoding/Subtitles/ISubtitleWriter.cs

@@ -5,7 +5,7 @@ using MediaBrowser.Model.MediaInfo;
 namespace MediaBrowser.MediaEncoding.Subtitles
 {
     /// <summary>
-    /// Interface ISubtitleWriter
+    /// Interface ISubtitleWriter.
     /// </summary>
     public interface ISubtitleWriter
     {

MediaBrowser.MediaEncoding/Subtitles/JsonWriter.cs

@@ -1,27 +1,39 @@
 using System.IO;
-using System.Text;
+using System.Text.Json;
 using System.Threading;
 using MediaBrowser.Model.MediaInfo;
-using MediaBrowser.Model.Serialization;
 
 namespace MediaBrowser.MediaEncoding.Subtitles
 {
+    /// <summary>
+    /// JSON subtitle writer.
+    /// </summary>
     public class JsonWriter : ISubtitleWriter
     {
-        private readonly IJsonSerializer _json;
+        /// <inheritdoc />
-
-        public JsonWriter(IJsonSerializer json)
-        {
-            _json = json;
-        }
-
         public void Write(SubtitleTrackInfo info, Stream stream, CancellationToken cancellationToken)
         {
-            using (var writer = new StreamWriter(stream, Encoding.UTF8, 1024, true))
+            using (var writer = new Utf8JsonWriter(stream))
             {
-                var json = _json.SerializeToString(info);
+                var trackevents = info.TrackEvents;
+                writer.WriteStartArray("TrackEvents");
+
+                for (int i = 0; i < trackevents.Count; i++)
+                {
+                    cancellationToken.ThrowIfCancellationRequested();
+
+                    var current = trackevents[i];
+                    writer.WriteStartObject();
+
+                    writer.WriteString("Id", current.Id);
+                    writer.WriteString("Text", current.Text);
+                    writer.WriteNumber("StartPositionTicks", current.StartPositionTicks);
+                    writer.WriteNumber("EndPositionTicks", current.EndPositionTicks);
+
+                    writer.WriteEndObject();
+                }
 
-                writer.Write(json);
+                writer.WriteEndObject();
             }
         }
     }

MediaBrowser.MediaEncoding/Subtitles/SrtWriter.cs

@@ -14,14 +14,19 @@ namespace MediaBrowser.MediaEncoding.Subtitles
         {
             using (var writer = new StreamWriter(stream, Encoding.UTF8, 1024, true))
             {
-                var index = 1;
+                var trackEvents = info.TrackEvents;
 
-                foreach (var trackEvent in info.TrackEvents)
+                for (int i = 0; i < trackEvents.Count; i++)
                 {
                     cancellationToken.ThrowIfCancellationRequested();
 
-                    writer.WriteLine(index.ToString(CultureInfo.InvariantCulture));
+                    var trackEvent = trackEvents[i];
-                    writer.WriteLine(@"{0:hh\:mm\:ss\,fff} --> {1:hh\:mm\:ss\,fff}", TimeSpan.FromTicks(trackEvent.StartPositionTicks), TimeSpan.FromTicks(trackEvent.EndPositionTicks));
+
+                    writer.WriteLine((i + 1).ToString(CultureInfo.InvariantCulture));
+                    writer.WriteLine(
+                        @"{0:hh\:mm\:ss\,fff} --> {1:hh\:mm\:ss\,fff}",
+                        TimeSpan.FromTicks(trackEvent.StartPositionTicks),
+                        TimeSpan.FromTicks(trackEvent.EndPositionTicks));
 
                     var text = trackEvent.Text;
 
@@ -29,9 +34,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
                     text = Regex.Replace(text, @"\\n", " ", RegexOptions.IgnoreCase);
 
                     writer.WriteLine(text);
-                    writer.WriteLine(string.Empty);
+                    writer.WriteLine();
-
-                    index++;
                 }
             }
         }

MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs

@@ -17,7 +17,6 @@ using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.MediaInfo;
-using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
 using UtfUnknown;
 
@@ -30,28 +29,25 @@ namespace MediaBrowser.MediaEncoding.Subtitles
         private readonly IApplicationPaths _appPaths;
         private readonly IFileSystem _fileSystem;
         private readonly IMediaEncoder _mediaEncoder;
-        private readonly IJsonSerializer _json;
         private readonly IHttpClient _httpClient;
         private readonly IMediaSourceManager _mediaSourceManager;
         private readonly IProcessFactory _processFactory;
 
         public SubtitleEncoder(
             ILibraryManager libraryManager,
-            ILoggerFactory loggerFactory,
+            ILogger<SubtitleEncoder> logger,
             IApplicationPaths appPaths,
             IFileSystem fileSystem,
             IMediaEncoder mediaEncoder,
-            IJsonSerializer json,
             IHttpClient httpClient,
             IMediaSourceManager mediaSourceManager,
             IProcessFactory processFactory)
         {
             _libraryManager = libraryManager;
-            _logger = loggerFactory.CreateLogger(nameof(SubtitleEncoder));
+            _logger = logger;
             _appPaths = appPaths;
             _fileSystem = fileSystem;
             _mediaEncoder = mediaEncoder;
-            _json = json;
             _httpClient = httpClient;
             _mediaSourceManager = mediaSourceManager;
             _processFactory = processFactory;
@@ -59,7 +55,8 @@ namespace MediaBrowser.MediaEncoding.Subtitles
 
         private string SubtitleCachePath => Path.Combine(_appPaths.DataPath, "subtitles");
 
-        private Stream ConvertSubtitles(Stream stream,
+        private Stream ConvertSubtitles(
+            Stream stream,
             string inputFormat,
             string outputFormat,
             long startTimeTicks,
@@ -170,7 +167,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
                 && (mediaSource.VideoType.Value == VideoType.BluRay || mediaSource.VideoType.Value == VideoType.Dvd))
             {
                 var mediaSourceItem = (Video)_libraryManager.GetItemById(new Guid(mediaSource.Id));
-                inputFiles = mediaSourceItem.GetPlayableStreamFileNames(_mediaEncoder);
+                inputFiles = mediaSourceItem.GetPlayableStreamFileNames();
             }
             else
             {
@@ -179,32 +176,27 @@ namespace MediaBrowser.MediaEncoding.Subtitles
 
             var fileInfo = await GetReadableFile(mediaSource.Path, inputFiles, mediaSource.Protocol, subtitleStream, cancellationToken).ConfigureAwait(false);
 
-            var stream = await GetSubtitleStream(fileInfo.Path, subtitleStream.Language, fileInfo.Protocol, fileInfo.IsExternal, cancellationToken).ConfigureAwait(false);
+            var stream = await GetSubtitleStream(fileInfo.Path, fileInfo.Protocol, fileInfo.IsExternal, cancellationToken).ConfigureAwait(false);
 
             return (stream, fileInfo.Format);
         }
 
-        private async Task<Stream> GetSubtitleStream(string path, string language, MediaProtocol protocol, bool requiresCharset, CancellationToken cancellationToken)
+        private async Task<Stream> GetSubtitleStream(string path, MediaProtocol protocol, bool requiresCharset, CancellationToken cancellationToken)
         {
             if (requiresCharset)
             {
-                var bytes = await GetBytes(path, protocol, cancellationToken).ConfigureAwait(false);
+                using (var stream = await GetStream(path, protocol, cancellationToken).ConfigureAwait(false))
-
-                var charset = CharsetDetector.DetectFromBytes(bytes).Detected?.EncodingName;
-                _logger.LogDebug("charset {CharSet} detected for {Path}", charset ?? "null", path);
-
-                if (!string.IsNullOrEmpty(charset))
                 {
-                    // Make sure we have all the code pages we can get
+                    var result = CharsetDetector.DetectFromStream(stream).Detected;
-                    Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
+
-                    using (var inputStream = new MemoryStream(bytes))
+                    if (result != null)
-                    using (var reader = new StreamReader(inputStream, Encoding.GetEncoding(charset)))
                     {
-                        var text = await reader.ReadToEndAsync().ConfigureAwait(false);
+                        _logger.LogDebug("charset {CharSet} detected for {Path}", result.EncodingName, path);
 
-                        bytes = Encoding.UTF8.GetBytes(text);
+                        using var reader = new StreamReader(stream, result.Encoding);
+                        var text = await reader.ReadToEndAsync().ConfigureAwait(false);
 
-                        return new MemoryStream(bytes);
+                        return new MemoryStream(Encoding.UTF8.GetBytes(text));
                     }
                 }
             }
@@ -323,7 +315,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
 
             if (string.Equals(format, "json", StringComparison.OrdinalIgnoreCase))
             {
-                return new JsonWriter(_json);
+                return new JsonWriter();
             }
             if (string.Equals(format, SubtitleFormat.SRT, StringComparison.OrdinalIgnoreCase))
             {
@@ -544,7 +536,12 @@ namespace MediaBrowser.MediaEncoding.Subtitles
             {
                 if (!File.Exists(outputPath))
                 {
-                    await ExtractTextSubtitleInternal(_mediaEncoder.GetInputArgument(inputFiles, protocol), subtitleStreamIndex, outputCodec, outputPath, cancellationToken).ConfigureAwait(false);
+                    await ExtractTextSubtitleInternal(
+                        _mediaEncoder.GetInputArgument(inputFiles, protocol),
+                        subtitleStreamIndex,
+                        outputCodec,
+                        outputPath,
+                        cancellationToken).ConfigureAwait(false);
                 }
             }
             finally
@@ -572,8 +569,13 @@ namespace MediaBrowser.MediaEncoding.Subtitles
 
             Directory.CreateDirectory(Path.GetDirectoryName(outputPath));
 
-            var processArgs = string.Format("-i {0} -map 0:{1} -an -vn -c:s {2} \"{3}\"", inputPath,
+            var processArgs = string.Format(
-                subtitleStreamIndex, outputCodec, outputPath);
+                CultureInfo.InvariantCulture,
+                "-i {0} -map 0:{1} -an -vn -c:s {2} \"{3}\"",
+                inputPath,
+                subtitleStreamIndex,
+                outputCodec,
+                outputPath);
 
             var process = _processFactory.Create(new ProcessOptions
             {
@@ -721,41 +723,38 @@ namespace MediaBrowser.MediaEncoding.Subtitles
             }
         }
 
+        /// <inheritdoc />
         public async Task<string> GetSubtitleFileCharacterSet(string path, string language, MediaProtocol protocol, CancellationToken cancellationToken)
         {
-            var bytes = await GetBytes(path, protocol, cancellationToken).ConfigureAwait(false);
+            using (var stream = await GetStream(path, protocol, cancellationToken).ConfigureAwait(false))
-
+            {
-            var charset = CharsetDetector.DetectFromBytes(bytes).Detected?.EncodingName;
+                var charset = CharsetDetector.DetectFromStream(stream).Detected?.EncodingName;
 
-            _logger.LogDebug("charset {0} detected for {Path}", charset ?? "null", path);
+                _logger.LogDebug("charset {0} detected for {Path}", charset ?? "null", path);
 
-            return charset;
+                return charset;
+            }
         }
 
-        private async Task<byte[]> GetBytes(string path, MediaProtocol protocol, CancellationToken cancellationToken)
+        private Task<Stream> GetStream(string path, MediaProtocol protocol, CancellationToken cancellationToken)
         {
-            if (protocol == MediaProtocol.Http)
+            switch (protocol)
             {
-                var opts = new HttpRequestOptions()
+                case MediaProtocol.Http:
-                {
+                    var opts = new HttpRequestOptions()
-                    Url = path,
+                    {
-                    CancellationToken = cancellationToken
+                        Url = path,
-                };
+                        CancellationToken = cancellationToken,
-                using (var file = await _httpClient.Get(opts).ConfigureAwait(false))
+                        BufferContent = true
-                using (var memoryStream = new MemoryStream())
+                    };
-                {
-                    await file.CopyToAsync(memoryStream).ConfigureAwait(false);
-                    memoryStream.Position = 0;
 
-                    return memoryStream.ToArray();
+                    return _httpClient.Get(opts);
-                }
-            }
-            if (protocol == MediaProtocol.File)
-            {
-                return File.ReadAllBytes(path);
-            }
 
-            throw new ArgumentOutOfRangeException(nameof(protocol));
+            case MediaProtocol.File:
+                return Task.FromResult<Stream>(File.OpenRead(path));
+            default:
+                throw new ArgumentOutOfRangeException(nameof(protocol));
+            }
         }
     }
 }

MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs

@@ -49,12 +49,5 @@ namespace MediaBrowser.MediaEncoding.Subtitles
                 writer.WriteLine("</tt>");
             }
         }
-
-        private string FormatTime(long ticks)
-        {
-            var time = TimeSpan.FromTicks(ticks);
-
-            return string.Format(@"{0:hh\:mm\:ss\,fff}", time);
-        }
     }
 }

MediaBrowser.Model/Configuration/ServerConfiguration.cs

@@ -231,7 +231,6 @@ namespace MediaBrowser.Model.Configuration
             LocalNetworkSubnets = Array.Empty<string>();
             LocalNetworkAddresses = Array.Empty<string>();
             CodecsUsed = Array.Empty<string>();
-            ImageExtractionTimeoutMs = 0;
             PathSubstitutions = Array.Empty<PathSubstitution>();
             IgnoreVirtualInterfaces = false;
             EnableSimpleArtistDetection = true;

MediaBrowser.Model/MediaInfo/SubtitleTrackInfo.cs

@@ -1,12 +1,15 @@
+using System;
+using System.Collections.Generic;
+
 namespace MediaBrowser.Model.MediaInfo
 {
     public class SubtitleTrackInfo
     {
-        public SubtitleTrackEvent[] TrackEvents { get; set; }
+        public IReadOnlyList<SubtitleTrackEvent> TrackEvents { get; set; }
 
         public SubtitleTrackInfo()
         {
-            TrackEvents = new SubtitleTrackEvent[] { };
+            TrackEvents = Array.Empty<SubtitleTrackEvent>();
         }
     }
 }

MediaBrowser.Providers/MediaInfo/VideoImageProvider.cs

@@ -62,7 +62,11 @@ namespace MediaBrowser.Providers.MediaInfo
         {
             var protocol = item.PathProtocol ?? MediaProtocol.File;
 
-            var inputPath = MediaEncoderHelpers.GetInputArgument(_fileSystem, item.Path, null, item.GetPlayableStreamFileNames(_mediaEncoder));
+            var inputPath = MediaEncoderHelpers.GetInputArgument(
+                _fileSystem,
+                item.Path,
+                null,
+                item.GetPlayableStreamFileNames());
 
             var mediaStreams =
                 item.GetMediaStreams();

MediaBrowser.Providers/Music/MusicBrainzAlbumProvider.cs

@@ -57,7 +57,7 @@ namespace MediaBrowser.Providers.Music
             _appHost = appHost;
             _logger = logger;
 
-            _musicBrainzBaseUrl = configuration["MusicBrainz:BaseUrl"];
+            _musicBrainzBaseUrl = configuration["MusicBrainz_BaseUrl"];
 
             // Use a stopwatch to ensure we don't exceed the MusicBrainz rate limit
             _stopWatchMusicBrainz.Start();