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Use ActivatorUtilities to construct MediaEncoder and update constructor to inject EncodingHelper correctly

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This commit is contained in:
Mark Monteiro 2020-04-11 10:53:13 -04:00
parent 1e1295bebf
commit 17e8813378
2 changed files with 8 additions and 24 deletions
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16
Emby.Server.Implementations/ApplicationHost.cs
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@ -88,7 +88,6 @@ using MediaBrowser.Model.Configuration;
using MediaBrowser.Model.Cryptography;
using MediaBrowser.Model.Diagnostics;
using MediaBrowser.Model.Dlna;
using MediaBrowser.Model.Events;
using MediaBrowser.Model.Globalization;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.MediaInfo;
@ -106,7 +105,6 @@ using MediaBrowser.WebDashboard.Api;
using MediaBrowser.XbmcMetadata.Providers;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Extensions;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using OperatingSystem = MediaBrowser.Common.System.OperatingSystem;
@ -614,17 +612,11 @@ namespace Emby.Server.Implementations
serviceCollection.AddTransient(provider => new Lazy<IDtoService>(provider.GetRequiredService<IDtoService>));
serviceCollection.AddSingleton<IUserManager, UserManager>();
// TODO: Add StartupOptions.FFmpegPath to IConfiguration so this doesn't need to be constructed manually
// TODO: Refactor to eliminate the circular dependency here so that Lazy<T> isn't required
// TODO: Add StartupOptions.FFmpegPath to IConfiguration and remove this custom activation
serviceCollection.AddTransient(provider => new Lazy<EncodingHelper>(provider.GetRequiredService<EncodingHelper>));
serviceCollection.AddSingleton<IMediaEncoder>(provider =>
new MediaBrowser.MediaEncoding.Encoder.MediaEncoder(
provider.GetRequiredService<ILogger<MediaBrowser.MediaEncoding.Encoder.MediaEncoder>>(),
provider.GetRequiredService<IServerConfigurationManager>(),
provider.GetRequiredService<IFileSystem>(),
provider.GetRequiredService<IProcessFactory>(),
provider.GetRequiredService<ILocalizationManager>(),
provider.GetRequiredService<ISubtitleEncoder>,
provider.GetRequiredService<IConfiguration>(),
_startupOptions.FFmpegPath));
ActivatorUtilities.CreateInstance<MediaBrowser.MediaEncoding.Encoder.MediaEncoder>(provider, _startupOptions.FFmpegPath ?? string.Empty));
// TODO: Refactor to eliminate the circular dependencies here so that Lazy<T> isn't required
serviceCollection.AddTransient(provider => new Lazy<ILibraryMonitor>(provider.GetRequiredService<ILibraryMonitor>));

16
MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
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@ -40,8 +40,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
private readonly IFileSystem _fileSystem;
private readonly IProcessFactory _processFactory;
private readonly ILocalizationManager _localization;
private readonly Func<ISubtitleEncoder> _subtitleEncoder;
private readonly IConfiguration _configuration;
private readonly Lazy<EncodingHelper> _encodingHelperFactory;
private readonly string _startupOptionFFmpegPath;
private readonly SemaphoreSlim _thumbnailResourcePool = new SemaphoreSlim(2, 2);
@ -49,8 +48,6 @@ namespace MediaBrowser.MediaEncoding.Encoder
private readonly object _runningProcessesLock = new object();
private readonly List<ProcessWrapper> _runningProcesses = new List<ProcessWrapper>();
private EncodingHelper _encodingHelper;
private string _ffmpegPath;
private string _ffprobePath;
@ -60,8 +57,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
IFileSystem fileSystem,
IProcessFactory processFactory,
ILocalizationManager localization,
Func<ISubtitleEncoder> subtitleEncoder,
IConfiguration configuration,
Lazy<EncodingHelper> encodingHelperFactory,
string startupOptionsFFmpegPath)
{
_logger = logger;
@ -69,15 +65,11 @@ namespace MediaBrowser.MediaEncoding.Encoder
_fileSystem = fileSystem;
_processFactory = processFactory;
_localization = localization;
_encodingHelperFactory = encodingHelperFactory;
_startupOptionFFmpegPath = startupOptionsFFmpegPath;
_subtitleEncoder = subtitleEncoder;
_configuration = configuration;
}
private EncodingHelper EncodingHelper
=> LazyInitializer.EnsureInitialized(
ref _encodingHelper,
() => new EncodingHelper(this, _fileSystem, _subtitleEncoder(), _configuration));
private EncodingHelper EncodingHelper => _encodingHelperFactory.Value;
/// <inheritdoc />
public string EncoderPath => _ffmpegPath;