From da52ebcdb9f61668ae43104b432c5303d5bc966f Mon Sep 17 00:00:00 2001
From: N00MKRAD <login@nmkd.de>
Date: Wed, 10 Mar 2021 17:10:25 +0100
Subject: [PATCH] Magick SceneDetect caching WIP

---
 Code/Form1.cs              |  3 +++
 Code/Magick/SceneDetect.cs | 26 ++++++++++++++++++++++----
 2 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/Code/Form1.cs b/Code/Form1.cs
index 4cac5dd..16894cf 100644
--- a/Code/Form1.cs
+++ b/Code/Form1.cs
@@ -204,6 +204,9 @@ namespace Flowframes
 
         private void browseOutBtn_Click(object sender, EventArgs e)
         {
+            Magick.SceneDetect.RunSceneDetection(inputTbox.Text.Trim());
+            return;
+
             CommonOpenFileDialog dialog = new CommonOpenFileDialog();
             dialog.InitialDirectory = inputTbox.Text.Trim();
             dialog.IsFolderPicker = true;
diff --git a/Code/Magick/SceneDetect.cs b/Code/Magick/SceneDetect.cs
index 41bb841..afca09f 100644
--- a/Code/Magick/SceneDetect.cs
+++ b/Code/Magick/SceneDetect.cs
@@ -19,8 +19,6 @@ namespace Flowframes.Magick
             string ext = "png";
             FileInfo[] frames = IOUtils.GetFileInfosSorted(path, false, "*." + ext);
 
-            Logger.Log("frames count = " + frames.Length);
-
             for (int i = 1; i < frames.Length; i++)
             {
                 FileInfo frame = frames[i];
@@ -29,10 +27,30 @@ namespace Flowframes.Magick
             }
         }
 
+        public static Dictionary<string, MagickImage> imageCache = new Dictionary<string, MagickImage>();
+        static MagickImage GetImage(string path, bool allowCaching = true)
+        {
+            if (!allowCaching)
+                return new MagickImage(path);
+
+            if (imageCache.Count >= 30)
+                ClearCache();
+
+            if (!imageCache.ContainsKey(path))
+                imageCache.Add(path, new MagickImage(path));
+
+            return imageCache[path];
+        }
+
+        public static void ClearCache()
+        {
+            imageCache.Clear();
+        }
+
         static async Task ProcessFrame (FileInfo frame, FileInfo lastFrame, string outFolder)
         {
-            MagickImage prevFrame = new MagickImage(lastFrame.FullName);
-            MagickImage currFrame = new MagickImage(frame.FullName);
+            MagickImage prevFrame = GetImage(lastFrame.FullName);
+            MagickImage currFrame = GetImage(frame.FullName);
 
             Size originalSize = new Size(currFrame.Width, currFrame.Height);
             int downscaleHeight = 144;