1069 lines
38 KiB
C#
1069 lines
38 KiB
C#
using MediaBrowser.Common.IO;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Audio;
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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.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Controller.MediaInfo
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{
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/// <summary>
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/// Class FFMpegManager
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/// </summary>
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public class FFMpegManager : IDisposable
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{
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/// <summary>
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/// Gets or sets the video image cache.
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/// </summary>
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/// <value>The video image cache.</value>
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internal FileSystemRepository VideoImageCache { get; set; }
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/// <summary>
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/// Gets or sets the image cache.
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/// </summary>
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/// <value>The image cache.</value>
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internal FileSystemRepository AudioImageCache { get; set; }
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/// <summary>
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/// Gets or sets the subtitle cache.
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/// </summary>
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/// <value>The subtitle cache.</value>
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internal FileSystemRepository SubtitleCache { get; set; }
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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 Kernel _kernel;
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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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/// 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 _protobuf serializer
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/// </summary>
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private readonly IProtobufSerializer _protobufSerializer;
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private readonly IServerApplicationPaths _appPaths;
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/// <summary>
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/// Initializes a new instance of the <see cref="FFMpegManager" /> class.
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/// </summary>
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/// <param name="kernel">The kernel.</param>
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/// <param name="zipClient">The zip client.</param>
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/// <param name="jsonSerializer">The json serializer.</param>
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/// <param name="protobufSerializer">The protobuf serializer.</param>
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/// <param name="logger">The logger.</param>
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/// <exception cref="System.ArgumentNullException">zipClient</exception>
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public FFMpegManager(Kernel kernel, IZipClient zipClient, IJsonSerializer jsonSerializer, IProtobufSerializer protobufSerializer, ILogManager logManager, IServerApplicationPaths appPaths)
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{
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if (kernel == null)
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{
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throw new ArgumentNullException("kernel");
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}
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if (zipClient == null)
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{
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throw new ArgumentNullException("zipClient");
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}
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if (jsonSerializer == null)
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{
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throw new ArgumentNullException("jsonSerializer");
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}
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if (protobufSerializer == null)
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{
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throw new ArgumentNullException("protobufSerializer");
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}
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_kernel = kernel;
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_zipClient = zipClient;
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_jsonSerializer = jsonSerializer;
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_protobufSerializer = protobufSerializer;
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_appPaths = appPaths;
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_logger = logManager.GetLogger("FFMpegManager");
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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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VideoImageCache = new FileSystemRepository(VideoImagesDataPath);
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AudioImageCache = new FileSystemRepository(AudioImagesDataPath);
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SubtitleCache = new FileSystemRepository(SubtitleCachePath);
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Task.Run(() => VersionedDirectoryPath = GetVersionedDirectoryPath());
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}
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public void Dispose()
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{
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Dispose(true);
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}
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/// <summary>
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/// Releases unmanaged and - optionally - managed resources.
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/// </summary>
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/// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
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protected void Dispose(bool dispose)
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{
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if (dispose)
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{
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SetErrorMode(ErrorModes.SYSTEM_DEFAULT);
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AudioImageCache.Dispose();
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VideoImageCache.Dispose();
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}
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}
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/// <summary>
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/// The FF probe resource pool count
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/// </summary>
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private const int FFProbeResourcePoolCount = 3;
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/// <summary>
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/// The audio image resource pool count
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/// </summary>
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private const int AudioImageResourcePoolCount = 3;
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/// <summary>
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/// The video image resource pool count
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/// </summary>
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private const int VideoImageResourcePoolCount = 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(FFProbeResourcePoolCount, FFProbeResourcePoolCount);
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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(AudioImageResourcePoolCount, AudioImageResourcePoolCount);
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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(VideoImageResourcePoolCount, VideoImageResourcePoolCount);
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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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/// Gets the FFMPEG version.
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/// </summary>
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/// <value>The FFMPEG version.</value>
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public string FFMpegVersion
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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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/// 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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public 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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/// The _video images data path
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/// </summary>
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private string _videoImagesDataPath;
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/// <summary>
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/// Gets the video images data path.
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/// </summary>
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/// <value>The video images data path.</value>
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public string VideoImagesDataPath
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{
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get
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{
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if (_videoImagesDataPath == null)
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{
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_videoImagesDataPath = Path.Combine(_appPaths.DataPath, "ffmpeg-video-images");
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if (!Directory.Exists(_videoImagesDataPath))
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{
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Directory.CreateDirectory(_videoImagesDataPath);
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}
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}
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return _videoImagesDataPath;
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}
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}
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/// <summary>
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/// The _audio images data path
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/// </summary>
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private string _audioImagesDataPath;
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/// <summary>
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/// Gets the audio images data path.
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/// </summary>
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/// <value>The audio images data path.</value>
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public string AudioImagesDataPath
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{
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get
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{
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if (_audioImagesDataPath == null)
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{
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_audioImagesDataPath = Path.Combine(_appPaths.DataPath, "ffmpeg-audio-images");
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if (!Directory.Exists(_audioImagesDataPath))
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{
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Directory.CreateDirectory(_audioImagesDataPath);
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}
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}
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return _audioImagesDataPath;
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}
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}
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/// <summary>
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/// The _subtitle cache path
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/// </summary>
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private string _subtitleCachePath;
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/// <summary>
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/// Gets the subtitle cache path.
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/// </summary>
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/// <value>The subtitle cache path.</value>
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public string SubtitleCachePath
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{
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get
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{
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if (_subtitleCachePath == null)
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{
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_subtitleCachePath = Path.Combine(_appPaths.CachePath, "ffmpeg-subtitles");
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if (!Directory.Exists(_subtitleCachePath))
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{
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Directory.CreateDirectory(_subtitleCachePath);
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}
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}
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return _subtitleCachePath;
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}
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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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const string prefix = "MediaBrowser.Controller.MediaInfo.";
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const string 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(_appPaths.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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}
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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="item">The item.</param>
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/// <returns>System.String.</returns>
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public string GetProbeSizeArgument(BaseItem item)
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{
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var video = item as Video;
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return video != null ? GetProbeSizeArgument(video.VideoType, video.IsoType) : string.Empty;
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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="videoType">Type of the video.</param>
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/// <param name="isoType">Type of the iso.</param>
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/// <returns>System.String.</returns>
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public string GetProbeSizeArgument(VideoType videoType, IsoType? isoType)
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{
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if (videoType == VideoType.Dvd || (isoType.HasValue && isoType.Value == IsoType.Dvd))
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{
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return "-probesize 1G -analyzeduration 200M";
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}
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return string.Empty;
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}
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/// <summary>
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/// Runs FFProbe against a BaseItem
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="inputPath">The input path.</param>
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/// <param name="lastDateModified">The last date modified.</param>
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/// <param name="cache">The cache.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task{FFProbeResult}.</returns>
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/// <exception cref="System.ArgumentNullException">item</exception>
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public Task<FFProbeResult> RunFFProbe(BaseItem item, string inputPath, DateTime lastDateModified, FileSystemRepository cache, CancellationToken cancellationToken)
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{
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if (string.IsNullOrEmpty(inputPath))
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{
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throw new ArgumentNullException("inputPath");
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}
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if (cache == null)
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{
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throw new ArgumentNullException("cache");
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}
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// Put the ffmpeg version into the cache name so that it's unique per-version
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// We don't want to try and deserialize data based on an old version, which could potentially fail
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var resourceName = item.Id + "_" + lastDateModified.Ticks + "_" + FFMpegVersion;
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// Forumulate the cache file path
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var cacheFilePath = cache.GetResourcePath(resourceName, ".pb");
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cancellationToken.ThrowIfCancellationRequested();
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// Avoid File.Exists by just trying to deserialize
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try
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{
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return Task.FromResult(_protobufSerializer.DeserializeFromFile<FFProbeResult>(cacheFilePath));
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}
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catch (FileNotFoundException)
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{
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var extractChapters = false;
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var video = item as Video;
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var probeSizeArgument = string.Empty;
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if (video != null)
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{
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extractChapters = true;
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probeSizeArgument = GetProbeSizeArgument(video.VideoType, video.IsoType);
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}
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return RunFFProbeInternal(inputPath, extractChapters, cacheFilePath, probeSizeArgument, cancellationToken);
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}
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}
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/// <summary>
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/// Runs FFProbe against a BaseItem
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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="cacheFile">The cache file.</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{FFProbeResult}.</returns>
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/// <exception cref="System.ApplicationException"></exception>
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private async Task<FFProbeResult> RunFFProbeInternal(string inputPath, bool extractChapters, string cacheFile, 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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{
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CreateNoWindow = true,
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UseShellExecute = false,
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// Must consume both or ffmpeg may hang due to deadlocks. See comments below.
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RedirectStandardOutput = true,
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RedirectStandardError = true,
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FileName = FFProbePath,
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Arguments = string.Format("{0} -i {1} -threads 0 -v info -print_format json -show_streams -show_format", probeSizeArgument, inputPath).Trim(),
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WindowStyle = ProcessWindowStyle.Hidden,
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ErrorDialog = false
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},
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EnableRaisingEvents = true
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};
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_logger.Debug("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
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process.Exited += ProcessExited;
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await FFProbeResourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
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FFProbeResult result;
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string standardError = null;
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try
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{
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process.Start();
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Task<string> standardErrorReadTask = null;
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// MUST read both stdout and stderr asynchronously or a deadlock may occurr
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if (extractChapters)
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{
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standardErrorReadTask = process.StandardError.ReadToEndAsync();
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}
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else
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{
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process.BeginErrorReadLine();
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}
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result = _jsonSerializer.DeserializeFromStream<FFProbeResult>(process.StandardOutput.BaseStream);
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if (extractChapters)
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{
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standardError = await standardErrorReadTask.ConfigureAwait(false);
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}
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}
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catch
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{
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// Hate having to do this
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try
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{
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process.Kill();
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}
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catch (InvalidOperationException ex1)
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{
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_logger.ErrorException("Error killing ffprobe", ex1);
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}
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catch (Win32Exception ex1)
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{
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_logger.ErrorException("Error killing ffprobe", ex1);
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}
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throw;
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}
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finally
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{
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FFProbeResourcePool.Release();
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}
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if (result == null)
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{
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throw new ApplicationException(string.Format("FFProbe failed for {0}", inputPath));
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}
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cancellationToken.ThrowIfCancellationRequested();
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if (extractChapters && !string.IsNullOrEmpty(standardError))
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{
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AddChapters(result, standardError);
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}
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_protobufSerializer.SerializeToFile(result, cacheFile);
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return result;
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}
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/// <summary>
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/// Adds the chapters.
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/// </summary>
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/// <param name="result">The result.</param>
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/// <param name="standardError">The standard error.</param>
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private void AddChapters(FFProbeResult result, string standardError)
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{
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var lines = standardError.Split('\n').Select(l => l.TrimStart());
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var chapters = new List<ChapterInfo> { };
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ChapterInfo lastChapter = null;
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foreach (var line in lines)
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{
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if (line.StartsWith("Chapter", StringComparison.OrdinalIgnoreCase))
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{
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// Example:
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// Chapter #0.2: start 400.534, end 4565.435
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const string srch = "start ";
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var start = line.IndexOf(srch, StringComparison.OrdinalIgnoreCase);
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if (start == -1)
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{
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continue;
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}
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var subString = line.Substring(start + srch.Length);
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subString = subString.Substring(0, subString.IndexOf(','));
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double seconds;
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if (double.TryParse(subString, out seconds))
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{
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lastChapter = new ChapterInfo
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{
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StartPositionTicks = TimeSpan.FromSeconds(seconds).Ticks
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};
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chapters.Add(lastChapter);
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}
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}
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else if (line.StartsWith("title", StringComparison.OrdinalIgnoreCase))
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{
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if (lastChapter != null && string.IsNullOrEmpty(lastChapter.Name))
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{
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var index = line.IndexOf(':');
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if (index != -1)
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{
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lastChapter.Name = line.Substring(index + 1).Trim().TrimEnd('\r');
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}
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}
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}
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}
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|
|
result.Chapters = chapters;
|
|
}
|
|
|
|
/// <summary>
|
|
/// The first chapter ticks
|
|
/// </summary>
|
|
private static long FirstChapterTicks = TimeSpan.FromSeconds(15).Ticks;
|
|
|
|
/// <summary>
|
|
/// Extracts the chapter images.
|
|
/// </summary>
|
|
/// <param name="video">The video.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <param name="extractImages">if set to <c>true</c> [extract images].</param>
|
|
/// <param name="saveItem">if set to <c>true</c> [save item].</param>
|
|
/// <returns>Task.</returns>
|
|
/// <exception cref="System.ArgumentNullException"></exception>
|
|
public async Task PopulateChapterImages(Video video, CancellationToken cancellationToken, bool extractImages, bool saveItem)
|
|
{
|
|
if (video.Chapters == null)
|
|
{
|
|
throw new ArgumentNullException();
|
|
}
|
|
|
|
// Can't extract images if there are no video streams
|
|
if (video.MediaStreams == null || video.MediaStreams.All(m => m.Type != MediaStreamType.Video))
|
|
{
|
|
return;
|
|
}
|
|
|
|
var changesMade = false;
|
|
|
|
foreach (var chapter in video.Chapters)
|
|
{
|
|
var filename = video.Id + "_" + video.DateModified.Ticks + "_" + chapter.StartPositionTicks;
|
|
|
|
var path = VideoImageCache.GetResourcePath(filename, ".jpg");
|
|
|
|
if (!VideoImageCache.ContainsFilePath(path))
|
|
{
|
|
if (extractImages)
|
|
{
|
|
// Disable for now on folder rips
|
|
if (video.VideoType != VideoType.VideoFile)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
// Add some time for the first chapter to make sure we don't end up with a black image
|
|
var time = chapter.StartPositionTicks == 0 ? TimeSpan.FromTicks(Math.Min(FirstChapterTicks, video.RunTimeTicks ?? 0)) : TimeSpan.FromTicks(chapter.StartPositionTicks);
|
|
|
|
var success = await ExtractImage(GetInputArgument(video), time, path, cancellationToken).ConfigureAwait(false);
|
|
|
|
if (success)
|
|
{
|
|
chapter.ImagePath = path;
|
|
changesMade = true;
|
|
}
|
|
}
|
|
}
|
|
else if (!string.Equals(path, chapter.ImagePath, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
chapter.ImagePath = path;
|
|
changesMade = true;
|
|
}
|
|
}
|
|
|
|
if (saveItem && changesMade)
|
|
{
|
|
await _kernel.ItemRepository.SaveItem(video, CancellationToken.None).ConfigureAwait(false);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Extracts an image from an Audio file and returns a Task whose result indicates whether it was successful or not
|
|
/// </summary>
|
|
/// <param name="input">The input.</param>
|
|
/// <param name="outputPath">The output path.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>Task{System.Boolean}.</returns>
|
|
/// <exception cref="System.ArgumentNullException">input</exception>
|
|
public async Task<bool> ExtractImage(Audio input, string outputPath, CancellationToken cancellationToken)
|
|
{
|
|
if (input == null)
|
|
{
|
|
throw new ArgumentNullException("input");
|
|
}
|
|
|
|
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} -threads 0 -v quiet -f image2 \"{1}\"", GetInputArgument(input), outputPath),
|
|
WindowStyle = ProcessWindowStyle.Hidden,
|
|
ErrorDialog = false
|
|
}
|
|
};
|
|
|
|
await AudioImageResourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
|
|
|
|
await RunAsync(process).ConfigureAwait(false);
|
|
|
|
AudioImageResourcePool.Release();
|
|
|
|
var exitCode = process.ExitCode;
|
|
|
|
process.Dispose();
|
|
|
|
if (exitCode != -1 && File.Exists(outputPath))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
_logger.Error("ffmpeg audio image extraction failed for {0}", input.Path);
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether [is subtitle cached] [the specified input].
|
|
/// </summary>
|
|
/// <param name="input">The input.</param>
|
|
/// <param name="subtitleStreamIndex">Index of the subtitle stream.</param>
|
|
/// <param name="outputExtension">The output extension.</param>
|
|
/// <returns><c>true</c> if [is subtitle cached] [the specified input]; otherwise, <c>false</c>.</returns>
|
|
public bool IsSubtitleCached(Video input, int subtitleStreamIndex, string outputExtension)
|
|
{
|
|
return SubtitleCache.ContainsFilePath(GetSubtitleCachePath(input, subtitleStreamIndex, outputExtension));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the subtitle cache path.
|
|
/// </summary>
|
|
/// <param name="input">The input.</param>
|
|
/// <param name="subtitleStreamIndex">Index of the subtitle stream.</param>
|
|
/// <param name="outputExtension">The output extension.</param>
|
|
/// <returns>System.String.</returns>
|
|
public string GetSubtitleCachePath(Video input, int subtitleStreamIndex, string outputExtension)
|
|
{
|
|
return SubtitleCache.GetResourcePath(input.Id + "_" + subtitleStreamIndex + "_" + input.DateModified.Ticks, outputExtension);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Extracts the text subtitle.
|
|
/// </summary>
|
|
/// <param name="input">The input.</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{System.Boolean}.</returns>
|
|
/// <exception cref="System.ArgumentNullException">input</exception>
|
|
public async Task<bool> ExtractTextSubtitle(Video input, int subtitleStreamIndex, string outputPath, CancellationToken cancellationToken)
|
|
{
|
|
if (input == null)
|
|
{
|
|
throw new ArgumentNullException("input");
|
|
}
|
|
|
|
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}\"", GetInputArgument(input), subtitleStreamIndex, outputPath),
|
|
WindowStyle = ProcessWindowStyle.Hidden,
|
|
ErrorDialog = false
|
|
}
|
|
};
|
|
|
|
_logger.Debug("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
|
|
|
|
await AudioImageResourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
|
|
|
|
await RunAsync(process).ConfigureAwait(false);
|
|
|
|
AudioImageResourcePool.Release();
|
|
|
|
var exitCode = process.ExitCode;
|
|
|
|
process.Dispose();
|
|
|
|
if (exitCode != -1 && File.Exists(outputPath))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
_logger.Error("ffmpeg subtitle extraction failed for {0}", input.Path);
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Converts the text subtitle.
|
|
/// </summary>
|
|
/// <param name="mediaStream">The media stream.</param>
|
|
/// <param name="outputPath">The output path.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>Task{System.Boolean}.</returns>
|
|
/// <exception cref="System.ArgumentNullException">mediaStream</exception>
|
|
/// <exception cref="System.ArgumentException">The given MediaStream is not an external subtitle stream</exception>
|
|
public async Task<bool> ConvertTextSubtitle(MediaStream mediaStream, string outputPath, CancellationToken cancellationToken)
|
|
{
|
|
if (mediaStream == null)
|
|
{
|
|
throw new ArgumentNullException("mediaStream");
|
|
}
|
|
|
|
if (!mediaStream.IsExternal || string.IsNullOrEmpty(mediaStream.Path))
|
|
{
|
|
throw new ArgumentException("The given MediaStream is not an external subtitle stream");
|
|
}
|
|
|
|
var process = new Process
|
|
{
|
|
StartInfo = new ProcessStartInfo
|
|
{
|
|
CreateNoWindow = true,
|
|
UseShellExecute = false,
|
|
FileName = FFMpegPath,
|
|
Arguments = string.Format("-i \"{0}\" \"{1}\"", mediaStream.Path, outputPath),
|
|
WindowStyle = ProcessWindowStyle.Hidden,
|
|
ErrorDialog = false
|
|
}
|
|
};
|
|
|
|
_logger.Debug("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
|
|
|
|
await AudioImageResourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
|
|
|
|
await RunAsync(process).ConfigureAwait(false);
|
|
|
|
AudioImageResourcePool.Release();
|
|
|
|
var exitCode = process.ExitCode;
|
|
|
|
process.Dispose();
|
|
|
|
if (exitCode != -1 && File.Exists(outputPath))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
_logger.Error("ffmpeg subtitle conversion failed for {0}", mediaStream.Path);
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Extracts an image from a Video and returns a Task whose result indicates whether it was successful or not
|
|
/// </summary>
|
|
/// <param name="inputPath">The input path.</param>
|
|
/// <param name="offset">The offset.</param>
|
|
/// <param name="outputPath">The output path.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>Task{System.Boolean}.</returns>
|
|
/// <exception cref="System.ArgumentNullException">video</exception>
|
|
public async Task<bool> ExtractImage(string inputPath, TimeSpan offset, 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("-ss {0} -i {1} -threads 0 -v quiet -vframes 1 -filter:v select=\\'eq(pict_type\\,I)\\' -f image2 \"{2}\"", Convert.ToInt32(offset.TotalSeconds), inputPath, outputPath),
|
|
WindowStyle = ProcessWindowStyle.Hidden,
|
|
ErrorDialog = false
|
|
}
|
|
};
|
|
|
|
await VideoImageResourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
VideoImageResourcePool.Release();
|
|
|
|
var exitCode = ranToCompletion ? process.ExitCode : -1;
|
|
|
|
process.Dispose();
|
|
|
|
if (exitCode == -1)
|
|
{
|
|
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))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
_logger.Error("ffmpeg video image extraction failed for {0}", inputPath);
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the input argument.
|
|
/// </summary>
|
|
/// <param name="item">The item.</param>
|
|
/// <returns>System.String.</returns>
|
|
public string GetInputArgument(BaseItem item)
|
|
{
|
|
var video = item as Video;
|
|
|
|
if (video != null)
|
|
{
|
|
if (video.VideoType == VideoType.BluRay)
|
|
{
|
|
return GetBlurayInputArgument(video.Path);
|
|
}
|
|
|
|
if (video.VideoType == VideoType.Dvd)
|
|
{
|
|
return GetDvdInputArgument(video.GetPlayableStreamFiles());
|
|
}
|
|
}
|
|
|
|
return string.Format("file:\"{0}\"", item.Path);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the input argument.
|
|
/// </summary>
|
|
/// <param name="item">The item.</param>
|
|
/// <param name="mount">The mount.</param>
|
|
/// <returns>System.String.</returns>
|
|
public string GetInputArgument(Video item, IIsoMount mount)
|
|
{
|
|
if (item.VideoType == VideoType.Iso && item.IsoType.HasValue)
|
|
{
|
|
if (item.IsoType.Value == IsoType.BluRay)
|
|
{
|
|
return GetBlurayInputArgument(mount.MountedPath);
|
|
}
|
|
if (item.IsoType.Value == IsoType.Dvd)
|
|
{
|
|
return GetDvdInputArgument(item.GetPlayableStreamFiles(mount.MountedPath));
|
|
}
|
|
}
|
|
|
|
return GetInputArgument(item);
|
|
}
|
|
|
|
/// <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>
|
|
/// Gets the DVD input argument.
|
|
/// </summary>
|
|
/// <param name="playableStreamFiles">The playable stream files.</param>
|
|
/// <returns>System.String.</returns>
|
|
public string GetDvdInputArgument(IEnumerable<string> playableStreamFiles)
|
|
{
|
|
// Get all streams
|
|
var streamFilePaths = (playableStreamFiles ?? new string[] { }).ToArray();
|
|
|
|
// If there's more than one we'll need to use the concat command
|
|
if (streamFilePaths.Length > 1)
|
|
{
|
|
var files = string.Join("|", streamFilePaths);
|
|
|
|
return string.Format("concat:\"{0}\"", files);
|
|
}
|
|
|
|
// Determine the input path for video files
|
|
return string.Format("file:\"{0}\"", streamFilePaths[0]);
|
|
}
|
|
|
|
/// <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>
|
|
/// Provides a non-blocking method to start a process and wait asynchronously for it to exit
|
|
/// </summary>
|
|
/// <param name="process">The process.</param>
|
|
/// <returns>Task{System.Boolean}.</returns>
|
|
private static Task<bool> RunAsync(Process process)
|
|
{
|
|
var tcs = new TaskCompletionSource<bool>();
|
|
|
|
process.EnableRaisingEvents = true;
|
|
process.Exited += (sender, args) => tcs.SetResult(true);
|
|
|
|
process.Start();
|
|
|
|
return tcs.Task;
|
|
}
|
|
|
|
/// <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
|
|
}
|
|
}
|
|
}
|