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@ -3,7 +3,6 @@ using System.Collections.Generic;
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using System.Globalization;
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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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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Controller;
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@ -11,7 +10,6 @@ using MediaBrowser.Controller.Drawing;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.MediaEncoding;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.Drawing;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.IO;
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@ -23,7 +21,7 @@ namespace Emby.Drawing
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/// <summary>
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/// Class ImageProcessor.
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/// </summary>
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public class ImageProcessor : IImageProcessor, IDisposable
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public sealed class ImageProcessor : IImageProcessor, IDisposable
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{
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// Increment this when there's a change requiring caches to be invalidated
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private const string Version = "3";
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@ -31,28 +29,24 @@ namespace Emby.Drawing
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private static readonly HashSet<string> _transparentImageTypes
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= new HashSet<string>(StringComparer.OrdinalIgnoreCase) { ".png", ".webp", ".gif" };
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/// <summary>
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/// The _logger
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/// </summary>
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private readonly ILogger _logger;
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private readonly IFileSystem _fileSystem;
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private readonly IServerApplicationPaths _appPaths;
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private IImageEncoder _imageEncoder;
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private readonly IImageEncoder _imageEncoder;
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private readonly Func<ILibraryManager> _libraryManager;
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private readonly Func<IMediaEncoder> _mediaEncoder;
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private readonly Dictionary<string, LockInfo> _locks = new Dictionary<string, LockInfo>();
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private bool _disposed = false;
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/// <summary>
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///
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/// Initializes a new instance of the <see cref="ImageProcessor"/> class.
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/// </summary>
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/// <param name="logger"></param>
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/// <param name="appPaths"></param>
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/// <param name="fileSystem"></param>
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/// <param name="imageEncoder"></param>
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/// <param name="libraryManager"></param>
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/// <param name="mediaEncoder"></param>
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/// <param name="logger">The logger.</param>
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/// <param name="appPaths">The server application paths.</param>
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/// <param name="fileSystem">The filesystem.</param>
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/// <param name="imageEncoder">The image encoder.</param>
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/// <param name="libraryManager">The library manager.</param>
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/// <param name="mediaEncoder">The media encoder.</param>
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public ImageProcessor(
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ILogger<ImageProcessor> logger,
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IServerApplicationPaths appPaths,
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@ -67,16 +61,10 @@ namespace Emby.Drawing
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_libraryManager = libraryManager;
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_mediaEncoder = mediaEncoder;
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_appPaths = appPaths;
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ImageEnhancers = Array.Empty<IImageEnhancer>();
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ImageHelper.ImageProcessor = this;
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}
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private string ResizedImageCachePath => Path.Combine(_appPaths.ImageCachePath, "resized-images");
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private string EnhancedImageCachePath => Path.Combine(_appPaths.ImageCachePath, "enhanced-images");
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/// <inheritdoc />
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public IReadOnlyCollection<string> SupportedInputFormats =>
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new HashSet<string>(StringComparer.OrdinalIgnoreCase)
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@ -89,9 +77,7 @@ namespace Emby.Drawing
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"aiff",
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"cr2",
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"crw",
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// Remove until supported
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//"nef",
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"nef",
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"orf",
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"pef",
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"arw",
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@ -110,19 +96,9 @@ namespace Emby.Drawing
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"wbmp"
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};
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/// <inheritdoc />
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public IReadOnlyCollection<IImageEnhancer> ImageEnhancers { get; set; }
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/// <inheritdoc />
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public bool SupportsImageCollageCreation => _imageEncoder.SupportsImageCollageCreation;
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/// <inheritdoc />
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public IImageEncoder ImageEncoder
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{
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get => _imageEncoder;
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set => _imageEncoder = value ?? throw new ArgumentNullException(nameof(value));
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}
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/// <inheritdoc />
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public async Task ProcessImage(ImageProcessingOptions options, Stream toStream)
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{
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@ -150,6 +126,8 @@ namespace Emby.Drawing
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throw new ArgumentNullException(nameof(options));
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}
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var libraryManager = _libraryManager();
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ItemImageInfo originalImage = options.Image;
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BaseItem item = options.Item;
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@ -157,9 +135,10 @@ namespace Emby.Drawing
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{
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if (item == null)
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{
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item = _libraryManager().GetItemById(options.ItemId);
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item = libraryManager.GetItemById(options.ItemId);
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}
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originalImage = await _libraryManager().ConvertImageToLocal(item, originalImage, options.ImageIndex).ConfigureAwait(false);
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originalImage = await libraryManager.ConvertImageToLocal(item, originalImage, options.ImageIndex).ConfigureAwait(false);
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}
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string originalImagePath = originalImage.Path;
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@ -186,27 +165,6 @@ namespace Emby.Drawing
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dateModified = supportedImageInfo.dateModified;
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bool requiresTransparency = _transparentImageTypes.Contains(Path.GetExtension(originalImagePath));
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if (options.Enhancers.Count > 0)
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{
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if (item == null)
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{
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item = _libraryManager().GetItemById(options.ItemId);
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}
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var tuple = await GetEnhancedImage(new ItemImageInfo
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{
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DateModified = dateModified,
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Type = originalImage.Type,
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Path = originalImagePath
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}, requiresTransparency, item, options.ImageIndex, options.Enhancers, CancellationToken.None).ConfigureAwait(false);
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originalImagePath = tuple.path;
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dateModified = tuple.dateModified;
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requiresTransparency = tuple.transparent;
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// TODO: Get this info
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originalImageSize = null;
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}
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bool autoOrient = false;
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ImageOrientation? orientation = null;
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if (item is Photo photo)
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@ -239,12 +197,6 @@ namespace Emby.Drawing
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ImageFormat outputFormat = GetOutputFormat(options.SupportedOutputFormats, requiresTransparency);
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string cacheFilePath = GetCacheFilePath(originalImagePath, newSize, quality, dateModified, outputFormat, options.AddPlayedIndicator, options.PercentPlayed, options.UnplayedCount, options.Blur, options.BackgroundColor, options.ForegroundLayer);
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CheckDisposed();
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LockInfo lockInfo = GetLock(cacheFilePath);
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await lockInfo.Lock.WaitAsync().ConfigureAwait(false);
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try
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{
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if (!File.Exists(cacheFilePath))
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@ -270,10 +222,6 @@ namespace Emby.Drawing
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_logger.LogError(ex, "Error encoding image");
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return (originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified);
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}
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finally
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{
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ReleaseLock(cacheFilePath, lockInfo);
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}
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}
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private ImageFormat GetOutputFormat(IReadOnlyCollection<ImageFormat> clientSupportedFormats, bool requiresTransparency)
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@ -305,20 +253,18 @@ namespace Emby.Drawing
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}
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private string GetMimeType(ImageFormat format, string path)
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{
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switch(format)
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{
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case ImageFormat.Bmp: return MimeTypes.GetMimeType("i.bmp");
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case ImageFormat.Gif: return MimeTypes.GetMimeType("i.gif");
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case ImageFormat.Jpg: return MimeTypes.GetMimeType("i.jpg");
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case ImageFormat.Png: return MimeTypes.GetMimeType("i.png");
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case ImageFormat.Webp: return MimeTypes.GetMimeType("i.webp");
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default: return MimeTypes.GetMimeType(path);
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}
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}
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=> format switch
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{
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ImageFormat.Bmp => MimeTypes.GetMimeType("i.bmp"),
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ImageFormat.Gif => MimeTypes.GetMimeType("i.gif"),
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ImageFormat.Jpg => MimeTypes.GetMimeType("i.jpg"),
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ImageFormat.Png => MimeTypes.GetMimeType("i.png"),
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ImageFormat.Webp => MimeTypes.GetMimeType("i.webp"),
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_ => MimeTypes.GetMimeType(path)
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};
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/// <summary>
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/// Gets the cache file path based on a set of parameters
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/// Gets the cache file path based on a set of parameters.
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/// </summary>
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private string GetCacheFilePath(string originalPath, ImageDimensions outputSize, int quality, DateTime dateModified, ImageFormat format, bool addPlayedIndicator, double percentPlayed, int? unwatchedCount, int? blur, string backgroundColor, string foregroundLayer)
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{
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@ -400,11 +346,7 @@ namespace Emby.Drawing
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/// <inheritdoc />
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public string GetImageCacheTag(BaseItem item, ItemImageInfo image)
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{
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var supportedEnhancers = GetSupportedEnhancers(item, image.Type).ToArray();
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return GetImageCacheTag(item, image, supportedEnhancers);
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}
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=> (item.Path + image.DateModified.Ticks).GetMD5().ToString("N", CultureInfo.InvariantCulture);
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/// <inheritdoc />
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public string GetImageCacheTag(BaseItem item, ChapterInfo chapter)
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@ -424,26 +366,6 @@ namespace Emby.Drawing
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}
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}
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/// <inheritdoc />
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public string GetImageCacheTag(BaseItem item, ItemImageInfo image, IReadOnlyCollection<IImageEnhancer> imageEnhancers)
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{
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string originalImagePath = image.Path;
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DateTime dateModified = image.DateModified;
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ImageType imageType = image.Type;
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// Optimization
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if (imageEnhancers.Count == 0)
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{
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return (originalImagePath + dateModified.Ticks).GetMD5().ToString("N", CultureInfo.InvariantCulture);
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}
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// Cache name is created with supported enhancers combined with the last config change so we pick up new config changes
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var cacheKeys = imageEnhancers.Select(i => i.GetConfigurationCacheKey(item, imageType)).ToList();
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cacheKeys.Add(originalImagePath + dateModified.Ticks);
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return string.Join("|", cacheKeys).GetMD5().ToString("N", CultureInfo.InvariantCulture);
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}
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private async Task<(string path, DateTime dateModified)> GetSupportedImage(string originalImagePath, DateTime dateModified)
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{
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var inputFormat = Path.GetExtension(originalImagePath)
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@ -487,154 +409,6 @@ namespace Emby.Drawing
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return (originalImagePath, dateModified);
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}
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/// <inheritdoc />
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public async Task<string> GetEnhancedImage(BaseItem item, ImageType imageType, int imageIndex)
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{
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var enhancers = GetSupportedEnhancers(item, imageType).ToArray();
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ItemImageInfo imageInfo = item.GetImageInfo(imageType, imageIndex);
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bool inputImageSupportsTransparency = SupportsTransparency(imageInfo.Path);
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var result = await GetEnhancedImage(imageInfo, inputImageSupportsTransparency, item, imageIndex, enhancers, CancellationToken.None);
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return result.path;
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}
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private async Task<(string path, DateTime dateModified, bool transparent)> GetEnhancedImage(
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ItemImageInfo image,
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bool inputImageSupportsTransparency,
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BaseItem item,
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int imageIndex,
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IReadOnlyCollection<IImageEnhancer> enhancers,
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CancellationToken cancellationToken)
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{
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var originalImagePath = image.Path;
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var dateModified = image.DateModified;
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var imageType = image.Type;
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try
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{
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var cacheGuid = GetImageCacheTag(item, image, enhancers);
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// Enhance if we have enhancers
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var enhancedImageInfo = await GetEnhancedImageInternal(originalImagePath, item, imageType, imageIndex, enhancers, cacheGuid, cancellationToken).ConfigureAwait(false);
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string enhancedImagePath = enhancedImageInfo.path;
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// If the path changed update dateModified
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if (!string.Equals(enhancedImagePath, originalImagePath, StringComparison.OrdinalIgnoreCase))
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{
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var treatmentRequiresTransparency = enhancedImageInfo.transparent;
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return (enhancedImagePath, _fileSystem.GetLastWriteTimeUtc(enhancedImagePath), treatmentRequiresTransparency);
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}
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error enhancing image");
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}
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return (originalImagePath, dateModified, inputImageSupportsTransparency);
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}
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/// <summary>
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/// Gets the enhanced image internal.
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/// </summary>
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/// <param name="originalImagePath">The original image path.</param>
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/// <param name="item">The item.</param>
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/// <param name="imageType">Type of the image.</param>
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/// <param name="imageIndex">Index of the image.</param>
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/// <param name="supportedEnhancers">The supported enhancers.</param>
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/// <param name="cacheGuid">The cache unique identifier.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task<System.String>.</returns>
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/// <exception cref="ArgumentNullException">
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/// originalImagePath
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/// or
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|
/// item
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|
|
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|
/// </exception>
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|
|
|
|
private async Task<(string path, bool transparent)> GetEnhancedImageInternal(
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|
|
|
|
string originalImagePath,
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|
|
|
|
BaseItem item,
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|
|
|
|
ImageType imageType,
|
|
|
|
|
int imageIndex,
|
|
|
|
|
IReadOnlyCollection<IImageEnhancer> supportedEnhancers,
|
|
|
|
|
string cacheGuid,
|
|
|
|
|
CancellationToken cancellationToken = default)
|
|
|
|
|
{
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|
|
|
if (string.IsNullOrEmpty(originalImagePath))
|
|
|
|
|
{
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|
|
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|
throw new ArgumentNullException(nameof(originalImagePath));
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|
|
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|
}
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|
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|
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|
if (item == null)
|
|
|
|
|
{
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|
|
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|
throw new ArgumentNullException(nameof(item));
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|
|
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|
}
|
|
|
|
|
|
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|
|
|
var treatmentRequiresTransparency = false;
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|
|
|
foreach (var enhancer in supportedEnhancers)
|
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|
|
|
{
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|
|
|
|
if (!treatmentRequiresTransparency)
|
|
|
|
|
{
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|
|
|
|
treatmentRequiresTransparency = enhancer.GetEnhancedImageInfo(item, originalImagePath, imageType, imageIndex).RequiresTransparency;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// All enhanced images are saved as png to allow transparency
|
|
|
|
|
string cacheExtension = _imageEncoder.SupportedOutputFormats.Contains(ImageFormat.Webp) ?
|
|
|
|
|
".webp" :
|
|
|
|
|
(treatmentRequiresTransparency ? ".png" : ".jpg");
|
|
|
|
|
|
|
|
|
|
string enhancedImagePath = GetCachePath(EnhancedImageCachePath, cacheGuid + cacheExtension);
|
|
|
|
|
|
|
|
|
|
LockInfo lockInfo = GetLock(enhancedImagePath);
|
|
|
|
|
|
|
|
|
|
await lockInfo.Lock.WaitAsync(cancellationToken).ConfigureAwait(false);
|
|
|
|
|
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
// Check again in case of contention
|
|
|
|
|
if (File.Exists(enhancedImagePath))
|
|
|
|
|
{
|
|
|
|
|
return (enhancedImagePath, treatmentRequiresTransparency);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
Directory.CreateDirectory(Path.GetDirectoryName(enhancedImagePath));
|
|
|
|
|
|
|
|
|
|
await ExecuteImageEnhancers(supportedEnhancers, originalImagePath, enhancedImagePath, item, imageType, imageIndex).ConfigureAwait(false);
|
|
|
|
|
|
|
|
|
|
return (enhancedImagePath, treatmentRequiresTransparency);
|
|
|
|
|
}
|
|
|
|
|
finally
|
|
|
|
|
{
|
|
|
|
|
ReleaseLock(enhancedImagePath, lockInfo);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Executes the image enhancers.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="imageEnhancers">The image enhancers.</param>
|
|
|
|
|
/// <param name="inputPath">The input path.</param>
|
|
|
|
|
/// <param name="outputPath">The output path.</param>
|
|
|
|
|
/// <param name="item">The item.</param>
|
|
|
|
|
/// <param name="imageType">Type of the image.</param>
|
|
|
|
|
/// <param name="imageIndex">Index of the image.</param>
|
|
|
|
|
/// <returns>Task{EnhancedImage}.</returns>
|
|
|
|
|
private static async Task ExecuteImageEnhancers(IEnumerable<IImageEnhancer> imageEnhancers, string inputPath, string outputPath, BaseItem item, ImageType imageType, int imageIndex)
|
|
|
|
|
{
|
|
|
|
|
// Run the enhancers sequentially in order of priority
|
|
|
|
|
foreach (var enhancer in imageEnhancers)
|
|
|
|
|
{
|
|
|
|
|
await enhancer.EnhanceImageAsync(item, inputPath, outputPath, imageType, imageIndex).ConfigureAwait(false);
|
|
|
|
|
|
|
|
|
|
// Feed the output into the next enhancer as input
|
|
|
|
|
inputPath = outputPath;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Gets the cache path.
|
|
|
|
|
/// </summary>
|
|
|
|
@ -647,7 +421,7 @@ namespace Emby.Drawing
|
|
|
|
|
/// or
|
|
|
|
|
/// uniqueName
|
|
|
|
|
/// or
|
|
|
|
|
/// fileExtension
|
|
|
|
|
/// fileExtension.
|
|
|
|
|
/// </exception>
|
|
|
|
|
public string GetCachePath(string path, string uniqueName, string fileExtension)
|
|
|
|
|
{
|
|
|
|
@ -680,7 +454,7 @@ namespace Emby.Drawing
|
|
|
|
|
/// <exception cref="ArgumentNullException">
|
|
|
|
|
/// path
|
|
|
|
|
/// or
|
|
|
|
|
/// filename
|
|
|
|
|
/// filename.
|
|
|
|
|
/// </exception>
|
|
|
|
|
public string GetCachePath(string path, string filename)
|
|
|
|
|
{
|
|
|
|
@ -688,6 +462,7 @@ namespace Emby.Drawing
|
|
|
|
|
{
|
|
|
|
|
throw new ArgumentNullException(nameof(path));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (string.IsNullOrEmpty(filename))
|
|
|
|
|
{
|
|
|
|
|
throw new ArgumentNullException(nameof(filename));
|
|
|
|
@ -709,74 +484,19 @@ namespace Emby.Drawing
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <inheritdoc />
|
|
|
|
|
public IEnumerable<IImageEnhancer> GetSupportedEnhancers(BaseItem item, ImageType imageType)
|
|
|
|
|
{
|
|
|
|
|
foreach (var i in ImageEnhancers)
|
|
|
|
|
{
|
|
|
|
|
if (i.Supports(item, imageType))
|
|
|
|
|
{
|
|
|
|
|
yield return i;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
private class LockInfo
|
|
|
|
|
{
|
|
|
|
|
public SemaphoreSlim Lock = new SemaphoreSlim(1, 1);
|
|
|
|
|
public int Count = 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private LockInfo GetLock(string key)
|
|
|
|
|
{
|
|
|
|
|
lock (_locks)
|
|
|
|
|
{
|
|
|
|
|
if (_locks.TryGetValue(key, out LockInfo info))
|
|
|
|
|
{
|
|
|
|
|
info.Count++;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
info = new LockInfo();
|
|
|
|
|
_locks[key] = info;
|
|
|
|
|
}
|
|
|
|
|
return info;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private void ReleaseLock(string key, LockInfo info)
|
|
|
|
|
public void Dispose()
|
|
|
|
|
{
|
|
|
|
|
info.Lock.Release();
|
|
|
|
|
|
|
|
|
|
lock (_locks)
|
|
|
|
|
if (_disposed)
|
|
|
|
|
{
|
|
|
|
|
info.Count--;
|
|
|
|
|
if (info.Count <= 0)
|
|
|
|
|
{
|
|
|
|
|
_locks.Remove(key);
|
|
|
|
|
info.Lock.Dispose();
|
|
|
|
|
}
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <inheritdoc />
|
|
|
|
|
public void Dispose()
|
|
|
|
|
{
|
|
|
|
|
_disposed = true;
|
|
|
|
|
|
|
|
|
|
var disposable = _imageEncoder as IDisposable;
|
|
|
|
|
if (disposable != null)
|
|
|
|
|
if (_imageEncoder is IDisposable disposable)
|
|
|
|
|
{
|
|
|
|
|
disposable.Dispose();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private void CheckDisposed()
|
|
|
|
|
{
|
|
|
|
|
if (_disposed)
|
|
|
|
|
{
|
|
|
|
|
throw new ObjectDisposedException(GetType().Name);
|
|
|
|
|
}
|
|
|
|
|
_disposed = true;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|