1 files changed, 122 insertions, 0 deletions
diff --git a/MediaBrowser.Server.Implementations/ScheduledTasks/Tasks/ChapterImagesTask.cs b/MediaBrowser.Server.Implementations/ScheduledTasks/Tasks/ChapterImagesTask.cs
new file mode 100644
index 000000000..d3854f9d7
--- /dev/null
+++ b/MediaBrowser.Server.Implementations/ScheduledTasks/Tasks/ChapterImagesTask.cs
@@ -0,0 +1,122 @@
+using MediaBrowser.Common.ScheduledTasks;
+using MediaBrowser.Controller;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Model.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Server.Implementations.ScheduledTasks.Tasks
+{
+    /// <summary>
+    /// Class ChapterImagesTask
+    /// </summary>
+    class ChapterImagesTask : IScheduledTask
+    {
+        /// <summary>
+        /// The _kernel
+        /// </summary>
+        private readonly Kernel _kernel;
+        /// <summary>
+        /// The _logger
+        /// </summary>
+        private readonly ILogger _logger;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ChapterImagesTask" /> class.
+        /// </summary>
+        /// <param name="kernel">The kernel.</param>
+        /// <param name="logger">The logger.</param>
+        public ChapterImagesTask(Kernel kernel, ILogger logger)
+        {
+            _kernel = kernel;
+            _logger = logger;
+        }
+
+        /// <summary>
+        /// Creates the triggers that define when the task will run
+        /// </summary>
+        /// <returns>IEnumerable{BaseTaskTrigger}.</returns>
+        public IEnumerable<ITaskTrigger> GetDefaultTriggers()
+        {
+            return new ITaskTrigger[]
+                {
+                    new DailyTrigger { TimeOfDay = TimeSpan.FromHours(4) }
+                };
+        }
+
+        /// <summary>
+        /// Returns the task to be executed
+        /// </summary>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <param name="progress">The progress.</param>
+        /// <returns>Task.</returns>
+        public Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
+        {
+            var videos = _kernel.RootFolder.RecursiveChildren.OfType<Video>().Where(v => v.Chapters != null).ToList();
+
+            var numComplete = 0;
+
+            var tasks = videos.Select(v => Task.Run(async () =>
+            {
+                try
+                {
+                    await _kernel.FFMpegManager.PopulateChapterImages(v, cancellationToken, true, true);
+                }
+                catch (OperationCanceledException)
+                {
+                    throw;
+                }
+                catch (Exception ex)
+                {
+                    _logger.ErrorException("Error creating chapter images for {0}", ex, v.Name);
+                }
+                finally
+                {
+                    lock (progress)
+                    {
+                        numComplete++;
+                        double percent = numComplete;
+                        percent /= videos.Count;
+
+                        progress.Report(100 * percent);
+                    }
+                }
+            }));
+
+            return Task.WhenAll(tasks);
+        }
+
+        /// <summary>
+        /// Gets the name of the task
+        /// </summary>
+        /// <value>The name.</value>
+        public string Name
+        {
+            get { return "Create video chapter thumbnails"; }
+        }
+
+        /// <summary>
+        /// Gets the description.
+        /// </summary>
+        /// <value>The description.</value>
+        public string Description
+        {
+            get { return "Creates thumbnails for videos that have chapters."; }
+        }
+
+        /// <summary>
+        /// Gets the category.
+        /// </summary>
+        /// <value>The category.</value>
+        public string Category
+        {
+            get
+            {
+                return "Library";
+            }
+        }
+    }
+}