2014-06-29 19:35:05 +02:00
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using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.IO;
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2014-06-10 19:36:06 +02:00
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using MediaBrowser.Controller.Chapters;
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2013-12-18 06:44:46 +01:00
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using MediaBrowser.Controller.Configuration;
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2013-02-21 02:33:05 +01:00
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using MediaBrowser.Controller.Entities;
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2013-12-18 06:44:46 +01:00
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using MediaBrowser.Controller.Entities.Movies;
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using MediaBrowser.Controller.Entities.TV;
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2014-02-20 17:37:41 +01:00
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using MediaBrowser.Controller.MediaEncoding;
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2014-06-29 19:35:05 +02:00
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using MediaBrowser.Model.Configuration;
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2013-02-21 02:33:05 +01:00
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using MediaBrowser.Model.Entities;
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2013-05-03 06:10:11 +02:00
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using MediaBrowser.Model.Logging;
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2014-06-29 19:35:05 +02:00
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using MediaBrowser.Model.MediaInfo;
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2013-02-21 02:33:05 +01:00
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using System;
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2013-09-04 19:02:19 +02:00
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using System.Collections.Generic;
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2013-12-15 19:29:34 +01:00
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using System.Globalization;
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2013-02-21 02:33:05 +01:00
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using System.IO;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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2014-02-20 17:37:41 +01:00
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namespace MediaBrowser.Server.Implementations.MediaEncoder
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2013-02-21 02:33:05 +01:00
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{
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2014-02-20 17:37:41 +01:00
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public class EncodingManager : IEncodingManager
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2013-02-21 02:33:05 +01:00
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{
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2013-12-18 06:44:46 +01:00
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private readonly IServerConfigurationManager _config;
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2014-02-20 17:37:41 +01:00
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private readonly CultureInfo _usCulture = new CultureInfo("en-US");
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private readonly IFileSystem _fileSystem;
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2013-04-28 00:52:41 +02:00
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private readonly ILogger _logger;
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2014-02-20 17:37:41 +01:00
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private readonly IMediaEncoder _encoder;
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2014-06-10 19:36:06 +02:00
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private readonly IChapterManager _chapterManager;
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2013-04-28 00:52:41 +02:00
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2014-06-11 16:42:03 +02:00
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public EncodingManager(IServerConfigurationManager config,
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IFileSystem fileSystem,
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ILogger logger,
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IMediaEncoder encoder,
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IChapterManager chapterManager)
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2013-02-21 02:33:05 +01:00
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{
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2014-02-20 17:37:41 +01:00
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_config = config;
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_fileSystem = fileSystem;
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2013-04-28 00:52:41 +02:00
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_logger = logger;
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2014-02-20 17:37:41 +01:00
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_encoder = encoder;
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2014-06-10 19:36:06 +02:00
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_chapterManager = chapterManager;
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2014-02-20 17:37:41 +01:00
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}
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2013-02-21 02:33:05 +01:00
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/// <summary>
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2014-02-20 17:37:41 +01:00
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/// Gets the chapter images data path.
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2013-02-21 02:33:05 +01:00
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/// </summary>
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2014-02-20 17:37:41 +01:00
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/// <value>The chapter images data path.</value>
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private string GetChapterImagesPath(Guid itemId)
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2013-02-21 02:33:05 +01:00
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{
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2014-02-20 17:37:41 +01:00
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return Path.Combine(_config.ApplicationPaths.GetInternalMetadataPath(itemId), "chapters");
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2013-02-21 02:33:05 +01:00
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}
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2013-12-06 04:39:44 +01:00
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2013-12-18 06:44:46 +01:00
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/// <summary>
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/// Determines whether [is eligible for chapter image extraction] [the specified video].
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/// </summary>
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/// <param name="video">The video.</param>
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/// <returns><c>true</c> if [is eligible for chapter image extraction] [the specified video]; otherwise, <c>false</c>.</returns>
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private bool IsEligibleForChapterImageExtraction(Video video)
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{
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2014-03-03 06:11:03 +01:00
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if (video.IsPlaceHolder)
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{
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return false;
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}
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2014-06-29 19:35:05 +02:00
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var options = _chapterManager.GetConfiguration();
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2013-12-18 06:44:46 +01:00
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if (video is Movie)
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{
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2014-06-29 19:35:05 +02:00
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if (!options.EnableMovieChapterImageExtraction)
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2013-12-18 06:44:46 +01:00
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{
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return false;
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}
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}
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else if (video is Episode)
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{
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2014-06-29 19:35:05 +02:00
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if (!options.EnableEpisodeChapterImageExtraction)
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2013-12-18 06:44:46 +01:00
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{
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return false;
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}
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}
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2014-02-20 17:37:41 +01:00
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else
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{
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2014-06-29 19:35:05 +02:00
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if (!options.EnableOtherVideoChapterImageExtraction)
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2013-12-18 06:44:46 +01:00
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{
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return false;
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}
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}
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// Can't extract images if there are no video streams
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return video.DefaultVideoStreamIndex.HasValue;
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}
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2013-02-21 02:33:05 +01:00
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/// <summary>
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/// The first chapter ticks
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/// </summary>
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2013-04-07 22:55:05 +02:00
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private static readonly long FirstChapterTicks = TimeSpan.FromSeconds(15).Ticks;
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2013-02-21 02:33:05 +01:00
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2014-02-20 17:37:41 +01:00
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public async Task<bool> RefreshChapterImages(ChapterImageRefreshOptions options, CancellationToken cancellationToken)
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2013-02-21 02:33:05 +01:00
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{
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var extractImages = options.ExtractImages;
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var video = options.Video;
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var chapters = options.Chapters;
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var saveChapters = options.SaveChapters;
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2013-12-18 06:44:46 +01:00
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if (!IsEligibleForChapterImageExtraction(video))
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2013-03-14 02:24:43 +01:00
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{
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2014-01-31 05:50:09 +01:00
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extractImages = false;
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2013-03-14 02:24:43 +01:00
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}
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2013-05-25 07:17:32 +02:00
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var success = true;
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2013-02-21 02:33:05 +01:00
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var changesMade = false;
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2013-06-01 15:56:48 +02:00
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var runtimeTicks = video.RunTimeTicks ?? 0;
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2013-12-15 17:53:32 +01:00
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var currentImages = GetSavedChapterImages(video);
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2013-06-18 21:16:27 +02:00
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foreach (var chapter in chapters)
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2013-02-21 02:33:05 +01:00
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{
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2013-06-01 15:56:48 +02:00
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if (chapter.StartPositionTicks >= runtimeTicks)
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{
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_logger.Info("Stopping chapter extraction for {0} because a chapter was found with a position greater than the runtime.", video.Name);
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break;
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}
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2013-12-15 17:53:32 +01:00
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var path = GetChapterImagePath(video, chapter.StartPositionTicks);
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2013-02-21 02:33:05 +01:00
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2013-12-15 17:53:32 +01:00
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if (!currentImages.Contains(path, StringComparer.OrdinalIgnoreCase))
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2013-02-21 02:33:05 +01:00
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{
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if (extractImages)
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{
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2014-04-22 19:25:54 +02:00
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if (video.VideoType == VideoType.HdDvd || video.VideoType == VideoType.Iso ||
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video.VideoType == VideoType.BluRay)
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2013-02-21 02:33:05 +01:00
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{
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continue;
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}
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// Add some time for the first chapter to make sure we don't end up with a black image
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var time = chapter.StartPositionTicks == 0 ? TimeSpan.FromTicks(Math.Min(FirstChapterTicks, video.RunTimeTicks ?? 0)) : TimeSpan.FromTicks(chapter.StartPositionTicks);
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2014-06-17 03:56:23 +02:00
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var protocol = MediaProtocol.File;
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2013-02-21 02:33:05 +01:00
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2014-06-17 03:56:23 +02:00
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var inputPath = MediaEncoderHelpers.GetInputArgument(video.Path, protocol, null, video.PlayableStreamFileNames);
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2013-04-07 22:55:05 +02:00
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try
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2013-02-21 02:33:05 +01:00
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{
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2014-02-20 17:37:41 +01:00
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Directory.CreateDirectory(Path.GetDirectoryName(path));
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2013-12-06 04:39:44 +01:00
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2014-06-17 03:56:23 +02:00
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using (var stream = await _encoder.ExtractVideoImage(inputPath, protocol, video.Video3DFormat, time, cancellationToken).ConfigureAwait(false))
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2014-02-07 00:57:21 +01:00
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{
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using (var fileStream = _fileSystem.GetFileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read, true))
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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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2013-02-21 02:33:05 +01:00
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chapter.ImagePath = path;
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changesMade = true;
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}
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2013-04-07 22:55:05 +02:00
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catch
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2013-04-07 02:27:33 +02:00
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{
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2013-05-25 07:17:32 +02:00
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success = false;
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2013-04-07 02:27:33 +02:00
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break;
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}
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2013-02-21 02:33:05 +01:00
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}
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2014-01-31 05:50:09 +01:00
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else if (!string.IsNullOrEmpty(chapter.ImagePath))
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{
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chapter.ImagePath = null;
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changesMade = true;
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}
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2013-02-21 02:33:05 +01:00
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}
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else if (!string.Equals(path, chapter.ImagePath, StringComparison.OrdinalIgnoreCase))
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{
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chapter.ImagePath = path;
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changesMade = true;
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}
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}
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2013-06-18 21:16:27 +02:00
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if (saveChapters && changesMade)
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2013-02-21 02:33:05 +01:00
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{
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2014-06-10 19:36:06 +02:00
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await _chapterManager.SaveChapters(video.Id.ToString(), chapters, cancellationToken).ConfigureAwait(false);
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2013-02-21 02:33:05 +01:00
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}
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2013-05-25 07:17:32 +02:00
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2013-12-15 17:53:32 +01:00
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DeleteDeadImages(currentImages, chapters);
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2013-05-25 07:17:32 +02:00
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return success;
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2013-02-21 02:33:05 +01:00
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}
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2014-02-20 17:37:41 +01:00
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private string GetChapterImagePath(Video video, long chapterPositionTicks)
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{
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var filename = video.DateModified.Ticks.ToString(_usCulture) + "_" + chapterPositionTicks.ToString(_usCulture) + ".jpg";
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return Path.Combine(GetChapterImagesPath(video.Id), filename);
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}
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private List<string> GetSavedChapterImages(Video video)
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{
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var path = GetChapterImagesPath(video.Id);
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try
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{
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return Directory.EnumerateFiles(path)
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.ToList();
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}
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catch (DirectoryNotFoundException)
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{
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return new List<string>();
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}
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}
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2013-12-15 17:53:32 +01:00
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private void DeleteDeadImages(IEnumerable<string> images, IEnumerable<ChapterInfo> chapters)
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{
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var deadImages = images
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2013-12-15 18:01:56 +01:00
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.Except(chapters.Select(i => i.ImagePath).Where(i => !string.IsNullOrEmpty(i)), StringComparer.OrdinalIgnoreCase)
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2013-12-15 17:53:32 +01:00
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.Where(i => BaseItem.SupportedImageExtensions.Contains(Path.GetExtension(i), StringComparer.OrdinalIgnoreCase))
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.ToList();
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foreach (var image in deadImages)
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{
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_logger.Debug("Deleting dead chapter image {0}", image);
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try
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{
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File.Delete(image);
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}
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catch (IOException ex)
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{
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_logger.ErrorException("Error deleting {0}.", ex, image);
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}
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}
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}
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2013-02-21 02:33:05 +01:00
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}
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}
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