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using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.IO;
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using MediaBrowser.Common.MediaInfo;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Serialization;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Server.Implementations.MediaEncoder
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{
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/// <summary>
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/// Class MediaEncoder
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/// </summary>
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public class MediaEncoder : IMediaEncoder, IDisposable
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{
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/// <summary>
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/// Gets or sets the zip client.
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/// </summary>
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/// <value>The zip client.</value>
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private readonly IZipClient _zipClient;
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/// <summary>
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/// The _logger
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/// </summary>
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private readonly ILogger _logger;
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/// <summary>
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/// The _app paths
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/// </summary>
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private readonly IApplicationPaths _appPaths;
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/// <summary>
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/// Gets the json serializer.
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/// </summary>
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/// <value>The json serializer.</value>
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private readonly IJsonSerializer _jsonSerializer;
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/// <summary>
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/// The video image resource pool
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/// </summary>
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private readonly SemaphoreSlim _videoImageResourcePool = new SemaphoreSlim(2, 2);
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/// <summary>
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/// The audio image resource pool
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/// </summary>
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private readonly SemaphoreSlim _audioImageResourcePool = new SemaphoreSlim(3, 3);
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/// <summary>
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/// The _subtitle extraction resource pool
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/// </summary>
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private readonly SemaphoreSlim _subtitleExtractionResourcePool = new SemaphoreSlim(2, 2);
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/// <summary>
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/// The FF probe resource pool
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/// </summary>
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private readonly SemaphoreSlim _ffProbeResourcePool = new SemaphoreSlim(3, 3);
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/// <summary>
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/// Gets or sets the versioned directory path.
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/// </summary>
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/// <value>The versioned directory path.</value>
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private string VersionedDirectoryPath { get; set; }
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/// <summary>
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/// Initializes a new instance of the <see cref="MediaEncoder" /> class.
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/// </summary>
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/// <param name="logger">The logger.</param>
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/// <param name="zipClient">The zip client.</param>
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/// <param name="appPaths">The app paths.</param>
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/// <param name="jsonSerializer">The json serializer.</param>
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public MediaEncoder(ILogger logger, IZipClient zipClient, IApplicationPaths appPaths, IJsonSerializer jsonSerializer)
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{
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_logger = logger;
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_zipClient = zipClient;
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_appPaths = appPaths;
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_jsonSerializer = jsonSerializer;
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// Not crazy about this but it's the only way to suppress ffmpeg crash dialog boxes
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SetErrorMode(ErrorModes.SEM_FAILCRITICALERRORS | ErrorModes.SEM_NOALIGNMENTFAULTEXCEPT | ErrorModes.SEM_NOGPFAULTERRORBOX | ErrorModes.SEM_NOOPENFILEERRORBOX);
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Task.Run(() => VersionedDirectoryPath = GetVersionedDirectoryPath());
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}
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/// <summary>
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/// The _media tools path
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/// </summary>
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private string _mediaToolsPath;
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/// <summary>
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/// Gets the folder path to tools
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/// </summary>
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/// <value>The media tools path.</value>
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private string MediaToolsPath
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{
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get
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{
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if (_mediaToolsPath == null)
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{
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_mediaToolsPath = Path.Combine(_appPaths.ProgramDataPath, "ffmpeg");
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if (!Directory.Exists(_mediaToolsPath))
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{
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Directory.CreateDirectory(_mediaToolsPath);
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}
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}
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return _mediaToolsPath;
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}
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}
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/// <summary>
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/// Gets the encoder path.
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/// </summary>
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/// <value>The encoder path.</value>
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public string EncoderPath
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{
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get { return FFMpegPath; }
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}
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/// <summary>
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/// The _ FF MPEG path
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/// </summary>
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private string _FFMpegPath;
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/// <summary>
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/// Gets the path to ffmpeg.exe
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/// </summary>
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/// <value>The FF MPEG path.</value>
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public string FFMpegPath
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{
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get
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{
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return _FFMpegPath ?? (_FFMpegPath = Path.Combine(VersionedDirectoryPath, "ffmpeg.exe"));
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}
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}
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/// <summary>
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/// The _ FF probe path
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/// </summary>
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private string _FFProbePath;
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/// <summary>
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/// Gets the path to ffprobe.exe
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/// </summary>
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/// <value>The FF probe path.</value>
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private string FFProbePath
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{
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get
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{
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return _FFProbePath ?? (_FFProbePath = Path.Combine(VersionedDirectoryPath, "ffprobe.exe"));
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}
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}
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/// <summary>
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/// Gets the version.
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/// </summary>
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/// <value>The version.</value>
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public string Version
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{
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get { return Path.GetFileNameWithoutExtension(VersionedDirectoryPath); }
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}
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/// <summary>
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/// Gets the versioned directory path.
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/// </summary>
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/// <returns>System.String.</returns>
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private string GetVersionedDirectoryPath()
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{
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var assembly = GetType().Assembly;
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var prefix = GetType().Namespace + ".";
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var srch = prefix + "ffmpeg";
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var resource = assembly.GetManifestResourceNames().First(r => r.StartsWith(srch));
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var filename = resource.Substring(resource.IndexOf(prefix, StringComparison.OrdinalIgnoreCase) + prefix.Length);
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var versionedDirectoryPath = Path.Combine(MediaToolsPath, Path.GetFileNameWithoutExtension(filename));
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if (!Directory.Exists(versionedDirectoryPath))
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{
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Directory.CreateDirectory(versionedDirectoryPath);
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}
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ExtractTools(assembly, resource, versionedDirectoryPath);
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return versionedDirectoryPath;
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}
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/// <summary>
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/// Extracts the tools.
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/// </summary>
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/// <param name="assembly">The assembly.</param>
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/// <param name="zipFileResourcePath">The zip file resource path.</param>
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/// <param name="targetPath">The target path.</param>
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private void ExtractTools(Assembly assembly, string zipFileResourcePath, string targetPath)
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{
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using (var resourceStream = assembly.GetManifestResourceStream(zipFileResourcePath))
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{
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_zipClient.ExtractAll(resourceStream, targetPath, false);
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}
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ExtractFonts(assembly, targetPath);
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}
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/// <summary>
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/// Extracts the fonts.
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/// </summary>
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/// <param name="assembly">The assembly.</param>
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/// <param name="targetPath">The target path.</param>
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private async void ExtractFonts(Assembly assembly, string targetPath)
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{
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var fontsDirectory = Path.Combine(targetPath, "fonts");
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if (!Directory.Exists(fontsDirectory))
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{
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Directory.CreateDirectory(fontsDirectory);
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}
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const string fontFilename = "ARIALUNI.TTF";
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var fontFile = Path.Combine(fontsDirectory, fontFilename);
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if (!File.Exists(fontFile))
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{
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using (var stream = assembly.GetManifestResourceStream(GetType().Namespace + ".fonts." + fontFilename))
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{
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using (var fileStream = new FileStream(fontFile, FileMode.Create, FileAccess.Write, FileShare.Read, StreamDefaults.DefaultFileStreamBufferSize, FileOptions.Asynchronous))
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{
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await stream.CopyToAsync(fileStream).ConfigureAwait(false);
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}
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}
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}
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await ExtractFontConfigFile(assembly, fontsDirectory).ConfigureAwait(false);
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}
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/// <summary>
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/// Extracts the font config file.
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/// </summary>
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/// <param name="assembly">The assembly.</param>
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/// <param name="fontsDirectory">The fonts directory.</param>
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/// <returns>Task.</returns>
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private async Task ExtractFontConfigFile(Assembly assembly, string fontsDirectory)
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{
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const string fontConfigFilename = "fonts.conf";
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var fontConfigFile = Path.Combine(fontsDirectory, fontConfigFilename);
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if (!File.Exists(fontConfigFile))
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{
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using (var stream = assembly.GetManifestResourceStream(GetType().Namespace + ".fonts." + fontConfigFilename))
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{
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using (var streamReader = new StreamReader(stream))
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{
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var contents = await streamReader.ReadToEndAsync().ConfigureAwait(false);
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contents = contents.Replace("<dir></dir>", "<dir>" + fontsDirectory + "</dir>");
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var bytes = Encoding.UTF8.GetBytes(contents);
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using (var fileStream = new FileStream(fontConfigFile, FileMode.Create, FileAccess.Write, FileShare.Read, StreamDefaults.DefaultFileStreamBufferSize, FileOptions.Asynchronous))
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{
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await fileStream.WriteAsync(bytes, 0, bytes.Length);
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}
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}
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}
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}
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}
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/// <summary>
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/// Gets the media info.
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/// </summary>
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/// <param name="inputFiles">The input files.</param>
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/// <param name="type">The type.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task.</returns>
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public Task<MediaInfoResult> GetMediaInfo(string[] inputFiles, InputType type, CancellationToken cancellationToken)
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{
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return GetMediaInfoInternal(GetInputArgument(inputFiles, type), type != InputType.AudioFile, GetProbeSizeArgument(type), cancellationToken);
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}
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/// <summary>
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/// Gets the input argument.
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/// </summary>
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/// <param name="inputFiles">The input files.</param>
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/// <param name="type">The type.</param>
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/// <returns>System.String.</returns>
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/// <exception cref="System.ArgumentException">Unrecognized InputType</exception>
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public string GetInputArgument(string[] inputFiles, InputType type)
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{
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string inputPath = null;
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switch (type)
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{
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case InputType.Dvd:
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case InputType.VideoFile:
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case InputType.AudioFile:
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inputPath = GetConcatInputArgument(inputFiles);
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break;
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case InputType.Bluray:
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inputPath = GetBlurayInputArgument(inputFiles[0]);
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break;
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default:
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throw new ArgumentException("Unrecognized InputType");
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}
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return inputPath;
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}
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/// <summary>
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/// Gets the probe size argument.
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/// </summary>
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/// <param name="type">The type.</param>
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/// <returns>System.String.</returns>
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public string GetProbeSizeArgument(InputType type)
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{
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return type == InputType.Dvd ? "-probesize 1G -analyzeduration 200M" : string.Empty;
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}
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/// <summary>
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/// Gets the media info internal.
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/// </summary>
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/// <param name="inputPath">The input path.</param>
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/// <param name="extractChapters">if set to <c>true</c> [extract chapters].</param>
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/// <param name="probeSizeArgument">The probe size argument.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task{MediaInfoResult}.</returns>
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/// <exception cref="System.ApplicationException"></exception>
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private async Task<MediaInfoResult> GetMediaInfoInternal(string inputPath, bool extractChapters, string probeSizeArgument, CancellationToken cancellationToken)
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{
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var process = new Process
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{
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StartInfo = new ProcessStartInfo
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|
|
{
|
|
|
|
|
CreateNoWindow = true,
|
|
|
|
|
UseShellExecute = false,
|
|
|
|
|
|
|
|
|
|
// Must consume both or ffmpeg may hang due to deadlocks. See comments below.
|
|
|
|
|
RedirectStandardOutput = true,
|
|
|
|
|
RedirectStandardError = true,
|
|
|
|
|
FileName = FFProbePath,
|
|
|
|
|
Arguments = string.Format("{0} -i {1} -threads 0 -v info -print_format json -show_streams -show_format", probeSizeArgument, inputPath).Trim(),
|
|
|
|
|
|
|
|
|
|
WindowStyle = ProcessWindowStyle.Hidden,
|
|
|
|
|
ErrorDialog = false
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
EnableRaisingEvents = true
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
_logger.Debug("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
|
|
|
|
|
|
|
|
|
|
process.Exited += ProcessExited;
|
|
|
|
|
|
|
|
|
|
await _ffProbeResourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
|
|
|
|
|
|
|
|
|
|
MediaInfoResult result;
|
|
|
|
|
string standardError = null;
|
|
|
|
|
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
process.Start();
|
|
|
|
|
|
|
|
|
|
Task<string> standardErrorReadTask = null;
|
|
|
|
|
|
|
|
|
|
// MUST read both stdout and stderr asynchronously or a deadlock may occurr
|
|
|
|
|
if (extractChapters)
|
|
|
|
|
{
|
|
|
|
|
standardErrorReadTask = process.StandardError.ReadToEndAsync();
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
process.BeginErrorReadLine();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
result = _jsonSerializer.DeserializeFromStream<MediaInfoResult>(process.StandardOutput.BaseStream);
|
|
|
|
|
|
|
|
|
|
if (extractChapters)
|
|
|
|
|
{
|
|
|
|
|
standardError = await standardErrorReadTask.ConfigureAwait(false);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
catch
|
|
|
|
|
{
|
|
|
|
|
// Hate having to do this
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
process.Kill();
|
|
|
|
|
}
|
|
|
|
|
catch (InvalidOperationException ex1)
|
|
|
|
|
{
|
|
|
|
|
_logger.ErrorException("Error killing ffprobe", ex1);
|
|
|
|
|
}
|
|
|
|
|
catch (Win32Exception ex1)
|
|
|
|
|
{
|
|
|
|
|
_logger.ErrorException("Error killing ffprobe", ex1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
throw;
|
|
|
|
|
}
|
|
|
|
|
finally
|
|
|
|
|
{
|
|
|
|
|
_ffProbeResourcePool.Release();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (result == null)
|
|
|
|
|
{
|
|
|
|
|
throw new ApplicationException(string.Format("FFProbe failed for {0}", inputPath));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
cancellationToken.ThrowIfCancellationRequested();
|
|
|
|
|
|
|
|
|
|
if (extractChapters && !string.IsNullOrEmpty(standardError))
|
|
|
|
|
{
|
|
|
|
|
AddChapters(result, standardError);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Adds the chapters.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="result">The result.</param>
|
|
|
|
|
/// <param name="standardError">The standard error.</param>
|
|
|
|
|
private void AddChapters(MediaInfoResult result, string standardError)
|
|
|
|
|
{
|
|
|
|
|
var lines = standardError.Split('\n').Select(l => l.TrimStart());
|
|
|
|
|
|
|
|
|
|
var chapters = new List<ChapterInfo> { };
|
|
|
|
|
|
|
|
|
|
ChapterInfo lastChapter = null;
|
|
|
|
|
|
|
|
|
|
foreach (var line in lines)
|
|
|
|
|
{
|
|
|
|
|
if (line.StartsWith("Chapter", StringComparison.OrdinalIgnoreCase))
|
|
|
|
|
{
|
|
|
|
|
// Example:
|
|
|
|
|
// Chapter #0.2: start 400.534, end 4565.435
|
|
|
|
|
const string srch = "start ";
|
|
|
|
|
var start = line.IndexOf(srch, StringComparison.OrdinalIgnoreCase);
|
|
|
|
|
|
|
|
|
|
if (start == -1)
|
|
|
|
|
{
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var subString = line.Substring(start + srch.Length);
|
|
|
|
|
subString = subString.Substring(0, subString.IndexOf(','));
|
|
|
|
|
|
|
|
|
|
double seconds;
|
|
|
|
|
|
|
|
|
|
if (double.TryParse(subString, out seconds))
|
|
|
|
|
{
|
|
|
|
|
lastChapter = new ChapterInfo
|
|
|
|
|
{
|
|
|
|
|
StartPositionTicks = TimeSpan.FromSeconds(seconds).Ticks
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
chapters.Add(lastChapter);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
else if (line.StartsWith("title", StringComparison.OrdinalIgnoreCase))
|
|
|
|
|
{
|
|
|
|
|
if (lastChapter != null && string.IsNullOrEmpty(lastChapter.Name))
|
|
|
|
|
{
|
|
|
|
|
var index = line.IndexOf(':');
|
|
|
|
|
|
|
|
|
|
if (index != -1)
|
|
|
|
|
{
|
|
|
|
|
lastChapter.Name = line.Substring(index + 1).Trim().TrimEnd('\r');
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
result.Chapters = chapters;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Processes the exited.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="sender">The sender.</param>
|
|
|
|
|
/// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
|
|
|
|
|
void ProcessExited(object sender, EventArgs e)
|
|
|
|
|
{
|
|
|
|
|
((Process)sender).Dispose();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Converts the text subtitle to ass.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="inputPath">The input path.</param>
|
|
|
|
|
/// <param name="outputPath">The output path.</param>
|
|
|
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
|
|
|
/// <returns>Task.</returns>
|
|
|
|
|
/// <exception cref="System.ArgumentNullException">inputPath
|
|
|
|
|
/// or
|
|
|
|
|
/// outputPath</exception>
|
|
|
|
|
/// <exception cref="System.ApplicationException"></exception>
|
|
|
|
|
public async Task ConvertTextSubtitleToAss(string inputPath, string outputPath, CancellationToken cancellationToken)
|
|
|
|
|
{
|
|
|
|
|
if (string.IsNullOrEmpty(inputPath))
|
|
|
|
|
{
|
|
|
|
|
throw new ArgumentNullException("inputPath");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (string.IsNullOrEmpty(outputPath))
|
|
|
|
|
{
|
|
|
|
|
throw new ArgumentNullException("outputPath");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var process = new Process
|
|
|
|
|
{
|
|
|
|
|
StartInfo = new ProcessStartInfo
|
|
|
|
|
{
|
|
|
|
|
CreateNoWindow = true,
|
|
|
|
|
UseShellExecute = false,
|
|
|
|
|
FileName = FFMpegPath,
|
|
|
|
|
Arguments = string.Format("-i \"{0}\" \"{1}\"", inputPath, outputPath),
|
|
|
|
|
WindowStyle = ProcessWindowStyle.Hidden,
|
|
|
|
|
ErrorDialog = false
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
_logger.Debug("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
|
|
|
|
|
|
|
|
|
|
await _subtitleExtractionResourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
|
|
|
|
|
|
|
|
|
|
var ranToCompletion = StartAndWaitForProcess(process);
|
|
|
|
|
|
|
|
|
|
_subtitleExtractionResourcePool.Release();
|
|
|
|
|
|
|
|
|
|
var exitCode = ranToCompletion ? process.ExitCode : -1;
|
|
|
|
|
|
|
|
|
|
process.Dispose();
|
|
|
|
|
|
|
|
|
|
var failed = false;
|
|
|
|
|
|
|
|
|
|
if (exitCode == -1)
|
|
|
|
|
{
|
|
|
|
|
failed = true;
|
|
|
|
|
|
|
|
|
|
if (File.Exists(outputPath))
|
|
|
|
|
{
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
_logger.Info("Deleting converted subtitle due to failure: ", outputPath);
|
|
|
|
|
File.Delete(outputPath);
|
|
|
|
|
}
|
|
|
|
|
catch (IOException ex)
|
|
|
|
|
{
|
|
|
|
|
_logger.ErrorException("Error deleting converted subtitle {0}", ex, outputPath);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else if (!File.Exists(outputPath))
|
|
|
|
|
{
|
|
|
|
|
failed = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (failed)
|
|
|
|
|
{
|
|
|
|
|
var msg = string.Format("ffmpeg subtitle conversion failed for {0}", inputPath);
|
|
|
|
|
|
|
|
|
|
_logger.Error(msg);
|
|
|
|
|
|
|
|
|
|
throw new ApplicationException(msg);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Extracts the text subtitle.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="inputFiles">The input files.</param>
|
|
|
|
|
/// <param name="type">The type.</param>
|
|
|
|
|
/// <param name="subtitleStreamIndex">Index of the subtitle stream.</param>
|
|
|
|
|
/// <param name="outputPath">The output path.</param>
|
|
|
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
|
|
|
/// <returns>Task.</returns>
|
|
|
|
|
/// <exception cref="System.ArgumentException">Must use inputPath list overload</exception>
|
|
|
|
|
public Task ExtractTextSubtitle(string[] inputFiles, InputType type, int subtitleStreamIndex, string outputPath, CancellationToken cancellationToken)
|
|
|
|
|
{
|
|
|
|
|
return ExtractTextSubtitleInternal(GetInputArgument(inputFiles, type), subtitleStreamIndex, outputPath, cancellationToken);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Extracts the text subtitle.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="inputPath">The input path.</param>
|
|
|
|
|
/// <param name="subtitleStreamIndex">Index of the subtitle stream.</param>
|
|
|
|
|
/// <param name="outputPath">The output path.</param>
|
|
|
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
|
|
|
/// <returns>Task.</returns>
|
|
|
|
|
/// <exception cref="System.ArgumentNullException">inputPath
|
|
|
|
|
/// or
|
|
|
|
|
/// outputPath
|
|
|
|
|
/// or
|
|
|
|
|
/// cancellationToken</exception>
|
|
|
|
|
/// <exception cref="System.ApplicationException"></exception>
|
|
|
|
|
private async Task ExtractTextSubtitleInternal(string inputPath, int subtitleStreamIndex, string outputPath, CancellationToken cancellationToken)
|
|
|
|
|
{
|
|
|
|
|
if (string.IsNullOrEmpty(inputPath))
|
|
|
|
|
{
|
|
|
|
|
throw new ArgumentNullException("inputPath");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (string.IsNullOrEmpty(outputPath))
|
|
|
|
|
{
|
|
|
|
|
throw new ArgumentNullException("outputPath");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (cancellationToken == null)
|
|
|
|
|
{
|
|
|
|
|
throw new ArgumentNullException("cancellationToken");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var process = new Process
|
|
|
|
|
{
|
|
|
|
|
StartInfo = new ProcessStartInfo
|
|
|
|
|
{
|
|
|
|
|
CreateNoWindow = true,
|
|
|
|
|
UseShellExecute = false,
|
|
|
|
|
FileName = FFMpegPath,
|
|
|
|
|
Arguments = string.Format("-i {0} -map 0:{1} -an -vn -c:s ass \"{2}\"", inputPath, subtitleStreamIndex, outputPath),
|
|
|
|
|
WindowStyle = ProcessWindowStyle.Hidden,
|
|
|
|
|
ErrorDialog = false
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
_logger.Debug("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
|
|
|
|
|
|
|
|
|
|
await _subtitleExtractionResourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
|
|
|
|
|
|
|
|
|
|
var ranToCompletion = StartAndWaitForProcess(process);
|
|
|
|
|
|
|
|
|
|
_subtitleExtractionResourcePool.Release();
|
|
|
|
|
|
|
|
|
|
var exitCode = ranToCompletion ? process.ExitCode : -1;
|
|
|
|
|
|
|
|
|
|
process.Dispose();
|
|
|
|
|
|
|
|
|
|
var failed = false;
|
|
|
|
|
|
|
|
|
|
if (exitCode == -1)
|
|
|
|
|
{
|
|
|
|
|
failed = true;
|
|
|
|
|
|
|
|
|
|
if (File.Exists(outputPath))
|
|
|
|
|
{
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
_logger.Info("Deleting extracted subtitle due to failure: ", outputPath);
|
|
|
|
|
File.Delete(outputPath);
|
|
|
|
|
}
|
|
|
|
|
catch (IOException ex)
|
|
|
|
|
{
|
|
|
|
|
_logger.ErrorException("Error deleting extracted subtitle {0}", ex, outputPath);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else if (!File.Exists(outputPath))
|
|
|
|
|
{
|
|
|
|
|
failed = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (failed)
|
|
|
|
|
{
|
|
|
|
|
var msg = string.Format("ffmpeg subtitle extraction failed for {0}", inputPath);
|
|
|
|
|
|
|
|
|
|
_logger.Error(msg);
|
|
|
|
|
|
|
|
|
|
throw new ApplicationException(msg);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Extracts the image.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="inputFiles">The input files.</param>
|
|
|
|
|
/// <param name="type">The type.</param>
|
|
|
|
|
/// <param name="offset">The offset.</param>
|
|
|
|
|
/// <param name="outputPath">The output path.</param>
|
|
|
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
|
|
|
/// <returns>Task.</returns>
|
|
|
|
|
/// <exception cref="System.ArgumentException">Must use inputPath list overload</exception>
|
|
|
|
|
public Task ExtractImage(string[] inputFiles, InputType type, TimeSpan? offset, string outputPath, CancellationToken cancellationToken)
|
|
|
|
|
{
|
|
|
|
|
var resourcePool = type == InputType.AudioFile ? _audioImageResourcePool : _videoImageResourcePool;
|
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|
|
|
return ExtractImageInternal(GetInputArgument(inputFiles, type), offset, outputPath, resourcePool, cancellationToken);
|
|
|
|
|
}
|
|
|
|
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|
|
|
/// <summary>
|
|
|
|
|
/// Extracts the image.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="inputPath">The input path.</param>
|
|
|
|
|
/// <param name="offset">The offset.</param>
|
|
|
|
|
/// <param name="outputPath">The output path.</param>
|
|
|
|
|
/// <param name="resourcePool">The resource pool.</param>
|
|
|
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
|
|
|
/// <returns>Task.</returns>
|
|
|
|
|
/// <exception cref="System.ArgumentNullException">inputPath
|
|
|
|
|
/// or
|
|
|
|
|
/// outputPath</exception>
|
|
|
|
|
/// <exception cref="System.ApplicationException"></exception>
|
|
|
|
|
private async Task ExtractImageInternal(string inputPath, TimeSpan? offset, string outputPath, SemaphoreSlim resourcePool, CancellationToken cancellationToken)
|
|
|
|
|
{
|
|
|
|
|
if (string.IsNullOrEmpty(inputPath))
|
|
|
|
|
{
|
|
|
|
|
throw new ArgumentNullException("inputPath");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (string.IsNullOrEmpty(outputPath))
|
|
|
|
|
{
|
|
|
|
|
throw new ArgumentNullException("outputPath");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
var args = string.Format("-i {0} -threads 0 -v quiet -vframes 1 -filter:v select=\\'eq(pict_type\\,I)\\' -f image2 \"{1}\"", inputPath, outputPath);
|
|
|
|
|
|
|
|
|
|
if (offset.HasValue)
|
|
|
|
|
{
|
|
|
|
|
args = string.Format("-ss {0} ", Convert.ToInt32(offset.Value.TotalSeconds)) + args;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var process = new Process
|
|
|
|
|
{
|
|
|
|
|
StartInfo = new ProcessStartInfo
|
|
|
|
|
{
|
|
|
|
|
CreateNoWindow = true,
|
|
|
|
|
UseShellExecute = false,
|
|
|
|
|
FileName = FFMpegPath,
|
|
|
|
|
Arguments = args,
|
|
|
|
|
WindowStyle = ProcessWindowStyle.Hidden,
|
|
|
|
|
ErrorDialog = false
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
await resourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
|
|
|
|
|
|
|
|
|
|
var ranToCompletion = StartAndWaitForProcess(process);
|
|
|
|
|
|
|
|
|
|
resourcePool.Release();
|
|
|
|
|
|
|
|
|
|
var exitCode = ranToCompletion ? process.ExitCode : -1;
|
|
|
|
|
|
|
|
|
|
process.Dispose();
|
|
|
|
|
|
|
|
|
|
var failed = false;
|
|
|
|
|
|
|
|
|
|
if (exitCode == -1)
|
|
|
|
|
{
|
|
|
|
|
failed = true;
|
|
|
|
|
|
|
|
|
|
if (File.Exists(outputPath))
|
|
|
|
|
{
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
_logger.Info("Deleting extracted image due to failure: ", outputPath);
|
|
|
|
|
File.Delete(outputPath);
|
|
|
|
|
}
|
|
|
|
|
catch (IOException ex)
|
|
|
|
|
{
|
|
|
|
|
_logger.ErrorException("Error deleting extracted image {0}", ex, outputPath);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else if (!File.Exists(outputPath))
|
|
|
|
|
{
|
|
|
|
|
failed = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (failed)
|
|
|
|
|
{
|
|
|
|
|
var msg = string.Format("ffmpeg image extraction failed for {0}", inputPath);
|
|
|
|
|
|
|
|
|
|
_logger.Error(msg);
|
|
|
|
|
|
|
|
|
|
throw new ApplicationException(msg);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Starts the and wait for process.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="process">The process.</param>
|
|
|
|
|
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
|
|
|
|
|
private bool StartAndWaitForProcess(Process process)
|
|
|
|
|
{
|
|
|
|
|
process.Start();
|
|
|
|
|
|
|
|
|
|
var ranToCompletion = process.WaitForExit(10000);
|
|
|
|
|
|
|
|
|
|
if (!ranToCompletion)
|
|
|
|
|
{
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
_logger.Info("Killing ffmpeg process");
|
|
|
|
|
|
|
|
|
|
process.Kill();
|
|
|
|
|
|
|
|
|
|
process.WaitForExit(1000);
|
|
|
|
|
}
|
|
|
|
|
catch (Win32Exception ex)
|
|
|
|
|
{
|
|
|
|
|
_logger.ErrorException("Error killing process", ex);
|
|
|
|
|
}
|
|
|
|
|
catch (InvalidOperationException ex)
|
|
|
|
|
{
|
|
|
|
|
_logger.ErrorException("Error killing process", ex);
|
|
|
|
|
}
|
|
|
|
|
catch (NotSupportedException ex)
|
|
|
|
|
{
|
|
|
|
|
_logger.ErrorException("Error killing process", ex);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return ranToCompletion;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Gets the file input argument.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="path">The path.</param>
|
|
|
|
|
/// <returns>System.String.</returns>
|
|
|
|
|
public string GetFileInputArgument(string path)
|
|
|
|
|
{
|
|
|
|
|
return string.Format("file:\"{0}\"", path);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Gets the concat input argument.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="playableStreamFiles">The playable stream files.</param>
|
|
|
|
|
/// <returns>System.String.</returns>
|
|
|
|
|
public string GetConcatInputArgument(string[] playableStreamFiles)
|
|
|
|
|
{
|
|
|
|
|
// Get all streams
|
|
|
|
|
// If there's more than one we'll need to use the concat command
|
|
|
|
|
if (playableStreamFiles.Length > 1)
|
|
|
|
|
{
|
|
|
|
|
var files = string.Join("|", playableStreamFiles);
|
|
|
|
|
|
|
|
|
|
return string.Format("concat:\"{0}\"", files);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Determine the input path for video files
|
|
|
|
|
return string.Format("file:\"{0}\"", playableStreamFiles[0]);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Gets the bluray input argument.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="blurayRoot">The bluray root.</param>
|
|
|
|
|
/// <returns>System.String.</returns>
|
|
|
|
|
public string GetBlurayInputArgument(string blurayRoot)
|
|
|
|
|
{
|
|
|
|
|
return string.Format("bluray:\"{0}\"", blurayRoot);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
|
|
|
|
|
/// </summary>
|
|
|
|
|
public void Dispose()
|
|
|
|
|
{
|
|
|
|
|
Dispose(true);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Releases unmanaged and - optionally - managed resources.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
|
|
|
|
|
protected virtual void Dispose(bool dispose)
|
|
|
|
|
{
|
|
|
|
|
if (dispose)
|
|
|
|
|
{
|
|
|
|
|
_videoImageResourcePool.Dispose();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
SetErrorMode(ErrorModes.SYSTEM_DEFAULT);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Sets the error mode.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="uMode">The u mode.</param>
|
|
|
|
|
/// <returns>ErrorModes.</returns>
|
|
|
|
|
[DllImport("kernel32.dll")]
|
|
|
|
|
static extern ErrorModes SetErrorMode(ErrorModes uMode);
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Enum ErrorModes
|
|
|
|
|
/// </summary>
|
|
|
|
|
[Flags]
|
|
|
|
|
public enum ErrorModes : uint
|
|
|
|
|
{
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// The SYSTE m_ DEFAULT
|
|
|
|
|
/// </summary>
|
|
|
|
|
SYSTEM_DEFAULT = 0x0,
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// The SE m_ FAILCRITICALERRORS
|
|
|
|
|
/// </summary>
|
|
|
|
|
SEM_FAILCRITICALERRORS = 0x0001,
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// The SE m_ NOALIGNMENTFAULTEXCEPT
|
|
|
|
|
/// </summary>
|
|
|
|
|
SEM_NOALIGNMENTFAULTEXCEPT = 0x0004,
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// The SE m_ NOGPFAULTERRORBOX
|
|
|
|
|
/// </summary>
|
|
|
|
|
SEM_NOGPFAULTERRORBOX = 0x0002,
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// The SE m_ NOOPENFILEERRORBOX
|
|
|
|
|
/// </summary>
|
|
|
|
|
SEM_NOOPENFILEERRORBOX = 0x8000
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
Luke Pulverenti
11 years ago