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optimize image processor when gdi can be skipped

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pull/702/head
Luke Pulverenti 11 years ago
parent d609d0edec
commit 2fc662c9e9
7 changed files with 152 additions and 69 deletions
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64
MediaBrowser.Model/Drawing/DrawingUtils.cs
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@ -1,4 +1,5 @@

using System.Globalization;
namespace MediaBrowser.Model.Drawing
{
/// <summary>
@ -131,20 +132,77 @@ namespace MediaBrowser.Model.Drawing
/// </summary>
public struct ImageSize
{
private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
private double _height;
private double _width;
/// <summary>
/// Gets or sets the height.
/// </summary>
/// <value>The height.</value>
public double Height { get; set; }
public double Height
{
get
{
return _height;
}
set
{
_height = value;
}
}
/// <summary>
/// Gets or sets the width.
/// </summary>
/// <value>The width.</value>
public double Width { get; set; }
public double Width
{
get { return _width; }
set { _width = value; }
}
public bool Equals(ImageSize size)
{
return Width.Equals(size.Width) && Height.Equals(size.Height);
}
public override string ToString()
{
return string.Format("{0}-{1}", Width, Height);
}
public ImageSize(string value)
{
_width = 0;
_height = 0;
ParseValue(value);
}
private void ParseValue(string value)
{
if (!string.IsNullOrEmpty(value))
{
var parts = value.Split('-');
if (parts.Length == 2)
{
double val;
if (double.TryParse(parts[0], NumberStyles.Any, UsCulture, out val))
{
_width = val;
}
if (double.TryParse(parts[1], NumberStyles.Any, UsCulture, out val))
{
_height = val;
}
}
}
}
}
}

7
MediaBrowser.Providers/Movies/MovieDbProvider.cs
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@ -822,7 +822,11 @@ namespace MediaBrowser.Providers.Movies
// genres
// Movies get this from imdb
if (movieData.genres != null && !movie.LockedFields.Contains(MetadataFields.Genres) && movie is BoxSet)
if (movieData.genres != null && !movie.LockedFields.Contains(MetadataFields.Genres))
{
// Only grab them if a boxset or there are no genres.
// For movies and trailers we'll use imdb via omdb
if (movie is BoxSet || movie.Genres.Count == 0)
{
movie.Genres.Clear();
@ -831,6 +835,7 @@ namespace MediaBrowser.Providers.Movies
movie.AddGenre(genre);
}
}
}
if (!movie.LockedFields.Contains(MetadataFields.Cast))
{

3
MediaBrowser.Providers/Music/LastFmImageProvider.cs
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@ -69,10 +69,13 @@ namespace MediaBrowser.Providers.Music
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{System.Boolean}.</returns>
public override async Task<bool> FetchAsync(BaseItem item, bool force, CancellationToken cancellationToken)
{
if (!item.HasImage(ImageType.Primary))
{
var images = await _providerManager.GetAvailableRemoteImages(item, cancellationToken, ManualLastFmImageProvider.ProviderName).ConfigureAwait(false);
await DownloadImages(item, images.ToList(), cancellationToken).ConfigureAwait(false);
}
SetLastRefreshed(item, DateTime.UtcNow);

103
MediaBrowser.Server.Implementations/Drawing/ImageProcessor.cs
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@ -7,6 +7,7 @@ using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Drawing;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Serialization;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
@ -24,7 +25,7 @@ namespace MediaBrowser.Server.Implementations.Drawing
/// <summary>
/// Class ImageProcessor
/// </summary>
public class ImageProcessor : IImageProcessor
public class ImageProcessor : IImageProcessor, IDisposable
{
/// <summary>
/// The us culture
@ -34,7 +35,7 @@ namespace MediaBrowser.Server.Implementations.Drawing
/// <summary>
/// The _cached imaged sizes
/// </summary>
private readonly ConcurrentDictionary<string, ImageSize> _cachedImagedSizes = new ConcurrentDictionary<string, ImageSize>();
private readonly ConcurrentDictionary<Guid, ImageSize> _cachedImagedSizes;
/// <summary>
/// Gets the list of currently registered image processors
@ -49,21 +50,41 @@ namespace MediaBrowser.Server.Implementations.Drawing
private readonly ILogger _logger;
private readonly IFileSystem _fileSystem;
private readonly IJsonSerializer _jsonSerializer;
private readonly IServerApplicationPaths _appPaths;
private readonly string _imageSizeCachePath;
private readonly string _croppedWhitespaceImageCachePath;
private readonly string _enhancedImageCachePath;
private readonly string _resizedImageCachePath;
public ImageProcessor(ILogger logger, IServerApplicationPaths appPaths, IFileSystem fileSystem)
public ImageProcessor(ILogger logger, IServerApplicationPaths appPaths, IFileSystem fileSystem, IJsonSerializer jsonSerializer)
{
_logger = logger;
_fileSystem = fileSystem;
_jsonSerializer = jsonSerializer;
_appPaths = appPaths;
_imageSizeCachePath = Path.Combine(appPaths.ImageCachePath, "image-sizes");
_croppedWhitespaceImageCachePath = Path.Combine(appPaths.ImageCachePath, "cropped-images");
_enhancedImageCachePath = Path.Combine(appPaths.ImageCachePath, "enhanced-images");
_resizedImageCachePath = Path.Combine(appPaths.ImageCachePath, "resized-images");
_saveImageSizeTimer = new Timer(SaveImageSizeCallback, null, Timeout.Infinite, Timeout.Infinite);
Dictionary<Guid, ImageSize> sizeDictionary;
try
{
sizeDictionary = jsonSerializer.DeserializeFromFile<Dictionary<Guid, ImageSize>>(ImageSizeFile);
}
catch (IOException)
{
// No biggie
sizeDictionary = new Dictionary<Guid, ImageSize>();
}
_cachedImagedSizes = new ConcurrentDictionary<Guid, ImageSize>(sizeDictionary);
}
public void AddParts(IEnumerable<IImageEnhancer> enhancers)
@ -485,11 +506,13 @@ namespace MediaBrowser.Server.Implementations.Drawing
ImageSize size;
if (!_cachedImagedSizes.TryGetValue(name, out size))
var cacheHash = name.GetMD5();
if (!_cachedImagedSizes.TryGetValue(cacheHash, out size))
{
size = GetImageSizeInternal(name, path);
size = GetImageSizeInternal(path);
_cachedImagedSizes.AddOrUpdate(name, size, (keyName, oldValue) => size);
_cachedImagedSizes.AddOrUpdate(cacheHash, size, (keyName, oldValue) => size);
}
return size;
@ -498,62 +521,47 @@ namespace MediaBrowser.Server.Implementations.Drawing
/// <summary>
/// Gets the image size internal.
/// </summary>
/// <param name="cacheKey">The cache key.</param>
/// <param name="path">The path.</param>
/// <returns>ImageSize.</returns>
private ImageSize GetImageSizeInternal(string cacheKey, string path)
private ImageSize GetImageSizeInternal(string path)
{
// Now check the file system cache
var fullCachePath = GetCachePath(_imageSizeCachePath, cacheKey, ".txt");
var size = ImageHeader.GetDimensions(path, _logger, _fileSystem);
try
{
var result = File.ReadAllText(fullCachePath).Split('|');
StartSaveImageSizeTimer();
return new ImageSize
{
Width = double.Parse(result[0], UsCulture),
Height = double.Parse(result[1], UsCulture)
};
return new ImageSize { Width = size.Width, Height = size.Height };
}
catch (IOException)
private readonly Timer _saveImageSizeTimer;
private const int SaveImageSizeTimeout = 5000;
private readonly object _saveImageSizeLock = new object();
private void StartSaveImageSizeTimer()
{
// Cache file doesn't exist or is currently being written to
_saveImageSizeTimer.Change(SaveImageSizeTimeout, Timeout.Infinite);
}
var syncLock = GetObjectLock(fullCachePath);
lock (syncLock)
private void SaveImageSizeCallback(object state)
{
try
lock (_saveImageSizeLock)
{
var result = File.ReadAllText(fullCachePath).Split('|');
return new ImageSize
try
{
Width = double.Parse(result[0], UsCulture),
Height = double.Parse(result[1], UsCulture)
};
var path = ImageSizeFile;
Directory.CreateDirectory(Path.GetDirectoryName(path));
_jsonSerializer.SerializeToFile(_cachedImagedSizes, path);
}
catch (FileNotFoundException)
catch (Exception ex)
{
// Cache file doesn't exist no biggie
_logger.ErrorException("Error saving image size file", ex);
}
}
catch (DirectoryNotFoundException)
{
// Cache file doesn't exist no biggie
}
var size = ImageHeader.GetDimensions(path, _logger, _fileSystem);
var parentPath = Path.GetDirectoryName(fullCachePath);
Directory.CreateDirectory(parentPath);
// Update the file system cache
File.WriteAllText(fullCachePath, size.Width.ToString(UsCulture) + @"|" + size.Height.ToString(UsCulture));
return new ImageSize { Width = size.Width, Height = size.Height };
private string ImageSizeFile
{
get
{
return Path.Combine(_appPaths.DataPath, "imagesizes.json");
}
}
@ -882,5 +890,10 @@ namespace MediaBrowser.Server.Implementations.Drawing
}).ToList();
}
public void Dispose()
{
_saveImageSizeTimer.Dispose();
}
}
}

16
MediaBrowser.Server.Implementations/IO/DirectoryWatchers.cs
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@ -363,6 +363,7 @@ namespace MediaBrowser.Server.Implementations.IO
{
if (string.Equals(i, e.FullPath, StringComparison.OrdinalIgnoreCase))
{
Logger.Debug("Watcher ignoring change to {0}", e.FullPath);
return true;
}
@ -370,6 +371,7 @@ namespace MediaBrowser.Server.Implementations.IO
var parent = Path.GetDirectoryName(i);
if (string.Equals(parent, e.FullPath, StringComparison.OrdinalIgnoreCase))
{
Logger.Debug("Watcher ignoring change to {0}", e.FullPath);
return true;
}
@ -379,20 +381,22 @@ namespace MediaBrowser.Server.Implementations.IO
parent = Path.GetDirectoryName(i);
if (string.Equals(parent, e.FullPath, StringComparison.OrdinalIgnoreCase))
{
Logger.Debug("Watcher ignoring change to {0}", e.FullPath);
return true;
}
}
return false;
}))
if (i.StartsWith(e.FullPath, StringComparison.OrdinalIgnoreCase) ||
e.FullPath.StartsWith(i, StringComparison.OrdinalIgnoreCase))
{
return;
Logger.Debug("Watcher ignoring change to {0}", e.FullPath);
return true;
}
if (tempIgnorePaths.Contains(e.FullPath, StringComparer.OrdinalIgnoreCase))
return false;
}))
{
Logger.Debug("Watcher requested to ignore change to " + e.FullPath);
return;
}

4
MediaBrowser.Server.Implementations/Providers/ImageSaver.cs
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@ -1,5 +1,4 @@
using System.Collections.Generic;
using MediaBrowser.Common.IO;
using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
@ -8,6 +7,7 @@ using MediaBrowser.Controller.IO;
using MediaBrowser.Model.Configuration;
using MediaBrowser.Model.Entities;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;

2
MediaBrowser.ServerApplication/ApplicationHost.cs
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@ -288,7 +288,7 @@ namespace MediaBrowser.ServerApplication
LocalizationManager = new LocalizationManager(ServerConfigurationManager, FileSystemManager);
RegisterSingleInstance(LocalizationManager);
ImageProcessor = new ImageProcessor(Logger, ServerConfigurationManager.ApplicationPaths, FileSystemManager);
ImageProcessor = new ImageProcessor(Logger, ServerConfigurationManager.ApplicationPaths, FileSystemManager, JsonSerializer);
RegisterSingleInstance(ImageProcessor);
DtoService = new DtoService(Logger, LibraryManager, UserManager, UserDataManager, ItemRepository, ImageProcessor);

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