diff --git a/Emby.Drawing/ImageProcessor.cs b/Emby.Drawing/ImageProcessor.cs
index 0b3bbe29e..1237b603b 100644
--- a/Emby.Drawing/ImageProcessor.cs
+++ b/Emby.Drawing/ImageProcessor.cs
@@ -313,6 +313,10 @@ namespace Emby.Drawing
public ImageDimensions GetImageDimensions(string path)
=> _imageEncoder.GetImageSize(path);
+ ///
+ public string GetImageHash(string path)
+ => _imageEncoder.GetImageHash(path);
+
///
public string GetImageCacheTag(BaseItem item, ItemImageInfo image)
=> (item.Path + image.DateModified.Ticks).GetMD5().ToString("N", CultureInfo.InvariantCulture);
diff --git a/Emby.Drawing/NullImageEncoder.cs b/Emby.Drawing/NullImageEncoder.cs
index 5af7f1622..fa89b4c63 100644
--- a/Emby.Drawing/NullImageEncoder.cs
+++ b/Emby.Drawing/NullImageEncoder.cs
@@ -42,5 +42,11 @@ namespace Emby.Drawing
{
throw new NotImplementedException();
}
+
+ ///
+ public string GetImageHash(string inputPath)
+ {
+ throw new NotImplementedException();
+ }
}
}
diff --git a/Emby.Server.Implementations/Data/SqliteItemRepository.cs b/Emby.Server.Implementations/Data/SqliteItemRepository.cs
index ca5cd6fdd..5a43a138b 100644
--- a/Emby.Server.Implementations/Data/SqliteItemRepository.cs
+++ b/Emby.Server.Implementations/Data/SqliteItemRepository.cs
@@ -1144,12 +1144,18 @@ namespace Emby.Server.Implementations.Data
var delimeter = "*";
var path = image.Path;
+ var hash = image.Hash;
if (path == null)
{
path = string.Empty;
}
+ if (hash == null)
+ {
+ hash = string.Empty;
+ }
+
return GetPathToSave(path) +
delimeter +
image.DateModified.Ticks.ToString(CultureInfo.InvariantCulture) +
@@ -1158,7 +1164,11 @@ namespace Emby.Server.Implementations.Data
delimeter +
image.Width.ToString(CultureInfo.InvariantCulture) +
delimeter +
- image.Height.ToString(CultureInfo.InvariantCulture);
+ image.Height.ToString(CultureInfo.InvariantCulture) +
+ delimeter +
+ // Replace delimiters with other characters.
+ // This can be removed when we migrate to a proper DB.
+ hash.Replace('*', '/').Replace('|', '\\');
}
public ItemImageInfo ItemImageInfoFromValueString(string value)
@@ -1192,6 +1202,11 @@ namespace Emby.Server.Implementations.Data
image.Width = width;
image.Height = height;
}
+
+ if (parts.Length >= 6)
+ {
+ image.Hash = parts[5].Replace('/', '*').Replace('\\', '|');
+ }
}
return image;
diff --git a/Emby.Server.Implementations/Dto/DtoService.cs b/Emby.Server.Implementations/Dto/DtoService.cs
index c4b65d265..a34a3a192 100644
--- a/Emby.Server.Implementations/Dto/DtoService.cs
+++ b/Emby.Server.Implementations/Dto/DtoService.cs
@@ -718,6 +718,7 @@ namespace Emby.Server.Implementations.Dto
if (options.EnableImages)
{
dto.ImageTags = new Dictionary();
+ dto.ImageHashes = new Dictionary();
// Prevent implicitly captured closure
var currentItem = item;
@@ -732,6 +733,12 @@ namespace Emby.Server.Implementations.Dto
{
dto.ImageTags[image.Type] = tag;
}
+
+ var hash = image.Hash;
+ if (hash != null && hash.Length > 0)
+ {
+ dto.ImageHashes[tag] = image.Hash;
+ }
}
}
}
diff --git a/Emby.Server.Implementations/Library/LibraryManager.cs b/Emby.Server.Implementations/Library/LibraryManager.cs
index 0b86b2db7..bc35b0410 100644
--- a/Emby.Server.Implementations/Library/LibraryManager.cs
+++ b/Emby.Server.Implementations/Library/LibraryManager.cs
@@ -21,6 +21,7 @@ using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.Progress;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
@@ -35,6 +36,7 @@ using MediaBrowser.Controller.Resolvers;
using MediaBrowser.Controller.Sorting;
using MediaBrowser.Model.Configuration;
using MediaBrowser.Model.Dlna;
+using MediaBrowser.Model.Drawing;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.IO;
@@ -109,6 +111,18 @@ namespace Emby.Server.Implementations.Library
/// The comparers.
private IBaseItemComparer[] Comparers { get; set; }
+ ///
+ /// Gets or sets the active item repository
+ ///
+ /// The item repository.
+ public IItemRepository ItemRepository { get; set; }
+
+ ///
+ /// Gets or sets the active image processor
+ ///
+ /// The image processor.
+ public IImageProcessor ImageProcessor { get; set; }
+
///
/// Occurs when [item added].
///
@@ -1817,7 +1831,19 @@ namespace Emby.Server.Implementations.Library
public void UpdateImages(BaseItem item)
{
- _itemRepository.SaveImages(item);
+ item.ImageInfos
+ .Where(i => (i.Width == 0 || i.Height == 0))
+ .ToList()
+ .ForEach(x =>
+ {
+ string blurhash = ImageProcessor.GetImageHash(x.Path);
+ ImageDimensions size = ImageProcessor.GetImageDimensions(item, x, true);
+ x.Width = size.Width;
+ x.Height = size.Height;
+ x.Hash = blurhash;
+ });
+
+ ItemRepository.SaveImages(item);
RegisterItem(item);
}
@@ -1839,7 +1865,7 @@ namespace Emby.Server.Implementations.Library
item.DateLastSaved = DateTime.UtcNow;
- RegisterItem(item);
+ UpdateImages(item);
}
_itemRepository.SaveItems(itemsList, cancellationToken);
diff --git a/Jellyfin.Drawing.Skia/Jellyfin.Drawing.Skia.csproj b/Jellyfin.Drawing.Skia/Jellyfin.Drawing.Skia.csproj
index a6e1f490a..9f0e3a004 100644
--- a/Jellyfin.Drawing.Skia/Jellyfin.Drawing.Skia.csproj
+++ b/Jellyfin.Drawing.Skia/Jellyfin.Drawing.Skia.csproj
@@ -21,6 +21,8 @@
+
+
diff --git a/Jellyfin.Drawing.Skia/SkiaEncoder.cs b/Jellyfin.Drawing.Skia/SkiaEncoder.cs
index 5c7462ee2..1d7307863 100644
--- a/Jellyfin.Drawing.Skia/SkiaEncoder.cs
+++ b/Jellyfin.Drawing.Skia/SkiaEncoder.cs
@@ -1,7 +1,11 @@
using System;
using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using Blurhash.Core;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Extensions;
@@ -15,7 +19,7 @@ namespace Jellyfin.Drawing.Skia
///
/// Image encoder that uses to manipulate images.
///
- public class SkiaEncoder : IImageEncoder
+ public class SkiaEncoder : CoreEncoder, IImageEncoder
{
private static readonly HashSet _transparentImageTypes
= new HashSet(StringComparer.OrdinalIgnoreCase) { ".png", ".gif", ".webp" };
@@ -229,6 +233,48 @@ namespace Jellyfin.Drawing.Skia
}
}
+ ///
+ /// The path is null.
+ /// The path is not valid.
+ /// The file at the specified path could not be used to generate a codec.
+ [SuppressMessage("Microsoft.Performance", "CA1814:PreferJaggedArraysOverMultidimensional")]
+ public string GetImageHash(string path)
+ {
+ if (path == null)
+ {
+ throw new ArgumentNullException(nameof(path));
+ }
+
+ if (!File.Exists(path))
+ {
+ throw new FileNotFoundException("File not found", path);
+ }
+
+ using (var bitmap = GetBitmap(path, false, false, null))
+ {
+ if (bitmap == null)
+ {
+ throw new ArgumentOutOfRangeException($"Skia unable to read image {path}");
+ }
+
+ var width = bitmap.Width;
+ var height = bitmap.Height;
+ var pixels = new Pixel[width, height];
+ Parallel.ForEach(Enumerable.Range(0, height), y =>
+ {
+ for (var x = 0; x < width; x++)
+ {
+ var color = bitmap.GetPixel(x, y);
+ pixels[x, y].Red = MathUtils.SRgbToLinear(color.Red);
+ pixels[x, y].Green = MathUtils.SRgbToLinear(color.Green);
+ pixels[x, y].Blue = MathUtils.SRgbToLinear(color.Blue);
+ }
+ });
+
+ return CoreEncode(pixels, 4, 4);
+ }
+ }
+
private static bool HasDiacritics(string text)
=> !string.Equals(text, text.RemoveDiacritics(), StringComparison.Ordinal);
diff --git a/MediaBrowser.Api/Images/ImageService.cs b/MediaBrowser.Api/Images/ImageService.cs
index 2e9b3e6cb..ecfe2ed76 100644
--- a/MediaBrowser.Api/Images/ImageService.cs
+++ b/MediaBrowser.Api/Images/ImageService.cs
@@ -323,6 +323,7 @@ namespace MediaBrowser.Api.Images
{
int? width = null;
int? height = null;
+ string? blurhash = null;
long length = 0;
try
@@ -332,7 +333,10 @@ namespace MediaBrowser.Api.Images
var fileInfo = _fileSystem.GetFileInfo(info.Path);
length = fileInfo.Length;
- ImageDimensions size = _imageProcessor.GetImageDimensions(item, info);
+ blurhash = _imageProcessor.GetImageHash(info.Path);
+ info.Hash = blurhash; // TODO: this doesn't seem like the right thing to do
+
+ ImageDimensions size = _imageProcessor.GetImageDimensions(item, info, true);
_libraryManager.UpdateImages(item);
width = size.Width;
height = size.Height;
@@ -358,6 +362,7 @@ namespace MediaBrowser.Api.Images
ImageType = info.Type,
ImageTag = _imageProcessor.GetImageCacheTag(item, info),
Size = length,
+ Hash = blurhash,
Width = width,
Height = height
};
diff --git a/MediaBrowser.Controller/Drawing/IImageEncoder.cs b/MediaBrowser.Controller/Drawing/IImageEncoder.cs
index 88e67b648..1d3f0d3b4 100644
--- a/MediaBrowser.Controller/Drawing/IImageEncoder.cs
+++ b/MediaBrowser.Controller/Drawing/IImageEncoder.cs
@@ -43,6 +43,13 @@ namespace MediaBrowser.Controller.Drawing
/// The image dimensions.
ImageDimensions GetImageSize(string path);
+ ///
+ /// Get the blurhash of an image.
+ ///
+ /// The filepath of the image.
+ /// The blurhash.
+ string GetImageHash(string path);
+
///
/// Encode an image.
///
diff --git a/MediaBrowser.Controller/Drawing/IImageProcessor.cs b/MediaBrowser.Controller/Drawing/IImageProcessor.cs
index 36c746624..be5906cbc 100644
--- a/MediaBrowser.Controller/Drawing/IImageProcessor.cs
+++ b/MediaBrowser.Controller/Drawing/IImageProcessor.cs
@@ -32,6 +32,13 @@ namespace MediaBrowser.Controller.Drawing
/// ImageDimensions
ImageDimensions GetImageDimensions(string path);
+ ///
+ /// Gets the blurhash of the image.
+ ///
+ /// Path to the image file.
+ /// BlurHash
+ String GetImageHash(string path);
+
///
/// Gets the dimensions of the image.
///
diff --git a/MediaBrowser.Controller/Entities/BaseItem.cs b/MediaBrowser.Controller/Entities/BaseItem.cs
index 7ed8fa767..e5f6ea09d 100644
--- a/MediaBrowser.Controller/Entities/BaseItem.cs
+++ b/MediaBrowser.Controller/Entities/BaseItem.cs
@@ -2222,6 +2222,7 @@ namespace MediaBrowser.Controller.Entities
existingImage.DateModified = image.DateModified;
existingImage.Width = image.Width;
existingImage.Height = image.Height;
+ existingImage.Hash = image.Hash;
}
else
{
diff --git a/MediaBrowser.Controller/Entities/ItemImageInfo.cs b/MediaBrowser.Controller/Entities/ItemImageInfo.cs
index fc46dec2e..ba0297107 100644
--- a/MediaBrowser.Controller/Entities/ItemImageInfo.cs
+++ b/MediaBrowser.Controller/Entities/ItemImageInfo.cs
@@ -28,6 +28,12 @@ namespace MediaBrowser.Controller.Entities
public int Height { get; set; }
+ ///
+ /// Gets or sets the blurhash.
+ ///
+ /// The blurhash.
+ public string Hash { get; set; }
+
[JsonIgnore]
public bool IsLocalFile => Path == null || !Path.StartsWith("http", StringComparison.OrdinalIgnoreCase);
}
diff --git a/MediaBrowser.Model/Dto/BaseItemDto.cs b/MediaBrowser.Model/Dto/BaseItemDto.cs
index 607355d8d..8c6c9683a 100644
--- a/MediaBrowser.Model/Dto/BaseItemDto.cs
+++ b/MediaBrowser.Model/Dto/BaseItemDto.cs
@@ -510,6 +510,12 @@ namespace MediaBrowser.Model.Dto
/// The series thumb image tag.
public string SeriesThumbImageTag { get; set; }
+ ///
+ /// Gets or sets the blurhash for the image tags.
+ ///
+ /// The blurhashes.
+ public Dictionary ImageHashes { get; set; }
+
///
/// Gets or sets the series studio.
///
diff --git a/MediaBrowser.Model/Dto/ImageInfo.cs b/MediaBrowser.Model/Dto/ImageInfo.cs
index 57942ac23..39bdc09ed 100644
--- a/MediaBrowser.Model/Dto/ImageInfo.cs
+++ b/MediaBrowser.Model/Dto/ImageInfo.cs
@@ -30,6 +30,12 @@ namespace MediaBrowser.Model.Dto
/// The path.
public string Path { get; set; }
+ ///
+ /// Gets or sets the blurhash.
+ ///
+ /// The blurhash.
+ public string Hash { get; set; }
+
///
/// Gets or sets the height.
///