Injected huffman tables

src/ImageSharp/Formats/Jpeg/Components/Decoder/HuffmanScanDecoder.cs

@@ -16,10 +16,12 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder
     /// </summary>
     internal class HuffmanScanDecoder
     {
-        private readonly HuffmanTable[] dcHuffmanTables;
-        private readonly HuffmanTable[] acHuffmanTables;
         private readonly BufferedReadStream stream;
 
+        // huffman tables
+        public HuffmanTable[] dcHuffmanTables;
+        public HuffmanTable[] acHuffmanTables;
+
         // Frame related
         private JpegFrame frame;
         private JpegComponent[] components;
@@ -88,15 +90,11 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder
         /// <param name="cancellationToken">The token to monitor cancellation.</param>
         public HuffmanScanDecoder(
             BufferedReadStream stream,
-            HuffmanTable[] dcHuffmanTables,
-            HuffmanTable[] acHuffmanTables,
             CancellationToken cancellationToken)
         {
             this.dctZigZag = ZigZag.CreateUnzigTable();
             this.stream = stream;
             this.scanBuffer = new HuffmanScanBuffer(stream);
-            this.dcHuffmanTables = dcHuffmanTables;
-            this.acHuffmanTables = acHuffmanTables;
             this.cancellationToken = cancellationToken;
         }
 

src/ImageSharp/Formats/Jpeg/JpegDecoderCore.cs

@@ -1051,12 +1051,13 @@ namespace SixLabors.ImageSharp.Formats.Jpeg
 
             var sd = new HuffmanScanDecoder(
                 stream,
-                this.dcHuffmanTables,
-                this.acHuffmanTables,
                 cancellationToken)
             {
                 Frame = this.Frame,
 
+                dcHuffmanTables = this.dcHuffmanTables,
+                acHuffmanTables = this.acHuffmanTables,
+
                 ResetInterval = this.resetInterval,
 
                 componentsLength = selectorsCount,