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don't try to keep extracting images that fail

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This commit is contained in:
Luke Pulverenti
2013-05-25 01:17:32 -04:00
parent 3b5f0a3058
commit 6611b53606
4 changed files with 109 additions and 47 deletions
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40
MediaBrowser.Server.Implementations/ScheduledTasks/ChapterImagesTask.cs
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@@ -4,12 +4,14 @@ using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Serialization;
using MoreLinq;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MoreLinq;
namespace MediaBrowser.Server.Implementations.ScheduledTasks
{
@@ -18,6 +20,8 @@ namespace MediaBrowser.Server.Implementations.ScheduledTasks
/// </summary>
class ChapterImagesTask : IScheduledTask
{
private readonly IJsonSerializer _jsonSerializer;
/// <summary>
/// The _kernel
/// </summary>
@@ -40,18 +44,20 @@ namespace MediaBrowser.Server.Implementations.ScheduledTasks
/// </summary>
/// <value>The new item timer.</value>
private Timer NewItemTimer { get; set; }
/// <summary>
/// Initializes a new instance of the <see cref="ChapterImagesTask" /> class.
/// </summary>
/// <param name="kernel">The kernel.</param>
/// <param name="logManager">The log manager.</param>
/// <param name="libraryManager">The library manager.</param>
public ChapterImagesTask(Kernel kernel, ILogManager logManager, ILibraryManager libraryManager)
/// <param name="jsonSerializer">The json serializer.</param>
public ChapterImagesTask(Kernel kernel, ILogManager logManager, ILibraryManager libraryManager, IJsonSerializer jsonSerializer)
{
_kernel = kernel;
_logger = logManager.GetLogger(GetType().Name);
_libraryManager = libraryManager;
_jsonSerializer = jsonSerializer;
libraryManager.ItemAdded += libraryManager_ItemAdded;
libraryManager.ItemUpdated += libraryManager_ItemAdded;
@@ -93,8 +99,9 @@ namespace MediaBrowser.Server.Implementations.ScheduledTasks
NewItemTimer = null;
}
// Limit to video files to reduce changes of ffmpeg crash dialog
foreach (var item in newItems
.Where(i => i.LocationType == LocationType.FileSystem && string.IsNullOrEmpty(i.PrimaryImagePath) && i.MediaStreams.Any(m => m.Type == MediaStreamType.Video))
.Where(i => i.LocationType == LocationType.FileSystem && i.VideoType == VideoType.VideoFile && string.IsNullOrEmpty(i.PrimaryImagePath) && i.MediaStreams.Any(m => m.Type == MediaStreamType.Video))
.Take(1))
{
try
@@ -135,11 +142,34 @@ namespace MediaBrowser.Server.Implementations.ScheduledTasks
var numComplete = 0;
var failHistoryPath = Path.Combine(_kernel.FFMpegManager.VideoImagesDataPath, "failures.json");
List<string> previouslyFailedImages;
try
{
previouslyFailedImages = _jsonSerializer.DeserializeFromFile<List<string>>(failHistoryPath);
}
catch (FileNotFoundException)
{
previouslyFailedImages = new List<string>();
}
foreach (var video in videos)
{
cancellationToken.ThrowIfCancellationRequested();
await _kernel.FFMpegManager.PopulateChapterImages(video, cancellationToken, true, true);
var key = video.Path + video.DateModified.Ticks;
var extract = !previouslyFailedImages.Contains(key, StringComparer.OrdinalIgnoreCase);
var success = await _kernel.FFMpegManager.PopulateChapterImages(video, cancellationToken, extract, true);
if (!success)
{
previouslyFailedImages.Add(key);
_jsonSerializer.SerializeToFile(previouslyFailedImages, failHistoryPath);
}
numComplete++;
double percent = numComplete;