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reduce scanning overhead a bit

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Luke Pulverenti
2013-04-15 14:45:58 -04:00
parent 3d9b862430
commit 2b8b98b590
16 changed files with 198 additions and 96 deletions
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42
MediaBrowser.Server.Implementations/ScheduledTasks/ChapterImagesTask.cs
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@@ -2,6 +2,7 @@
using MediaBrowser.Controller;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using System;
using System.Collections.Generic;
@@ -60,40 +61,27 @@ namespace MediaBrowser.Server.Implementations.ScheduledTasks
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="progress">The progress.</param>
/// <returns>Task.</returns>
public Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
public async Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
{
var videos = _libraryManager.RootFolder.RecursiveChildren.OfType<Video>().Where(v => v.Chapters != null).ToList();
var videos = _libraryManager.RootFolder.RecursiveChildren
.OfType<Video>()
.Where(v => v.Chapters != null && v.Chapters.Count != 0)
.ToList();
var numComplete = 0;
var tasks = videos.Select(v => Task.Run(async () =>
foreach (var video in videos)
{
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;
cancellationToken.ThrowIfCancellationRequested();
progress.Report(100 * percent);
}
}
}));
await _kernel.FFMpegManager.PopulateChapterImages(video, cancellationToken, true, true);
return Task.WhenAll(tasks);
numComplete++;
double percent = numComplete;
percent /= videos.Count;
progress.Report(100 * percent);
}
}
/// <summary>