From 2932e702e337e271fb42ba088e8ae161a07bd366 Mon Sep 17 00:00:00 2001
From: N00MKRAD <me@nmkd.de>
Date: Thu, 4 Feb 2021 21:18:36 +0100
Subject: [PATCH] Don't hash framecount of >256mb files as it's too slow and
 I/O heavy

---
 Code/ExtensionMethods.cs      |  2 +-
 Code/IO/IOUtils.cs            | 20 +++++++++++++++++---
 Code/Main/InterpolateUtils.cs | 10 +++++++++-
 3 files changed, 27 insertions(+), 5 deletions(-)

diff --git a/Code/ExtensionMethods.cs b/Code/ExtensionMethods.cs
index 3a6e3f3..1a4c7ca 100644
--- a/Code/ExtensionMethods.cs
+++ b/Code/ExtensionMethods.cs
@@ -38,7 +38,7 @@ namespace Flowframes
             try { return int.Parse(str.TrimNumbers()); }
             catch (Exception e)
             {
-                Logger.Log("Failed to parse \"" + str + "\" to int: " + e, true);
+                Logger.Log("Failed to parse \"" + str + "\" to int: " + e.Message, true);
                 return 0;
             }
         }
diff --git a/Code/IO/IOUtils.cs b/Code/IO/IOUtils.cs
index 6186746..c8d06cf 100644
--- a/Code/IO/IOUtils.cs
+++ b/Code/IO/IOUtils.cs
@@ -738,13 +738,27 @@ namespace Flowframes.IO
 
 		public static long GetFilesize(string path)
 		{
-			return new FileInfo(path).Length;
+            try
+            {
+				return new FileInfo(path).Length;
+			}
+            catch
+            {
+				return -1;
+            }
 		}
 
 		public static string GetFilesizeStr (string path)
         {
-			return FormatUtils.Bytes(GetFilesize(path));
-        }
+			try
+			{
+				return FormatUtils.Bytes(GetFilesize(path));
+			}
+			catch
+			{
+				return "?";
+			}
+		}
 
 		public static byte[] GetLastBytes (string path, int startAt, int bytesAmount)
         {
diff --git a/Code/Main/InterpolateUtils.cs b/Code/Main/InterpolateUtils.cs
index 062b38b..da538bd 100644
--- a/Code/Main/InterpolateUtils.cs
+++ b/Code/Main/InterpolateUtils.cs
@@ -155,7 +155,9 @@ namespace Flowframes.Main
         {
             if (img == null)
                 return;
+
             preview.Image = img;
+
             if (bigPreviewForm != null)
                 bigPreviewForm.SetImage(img);
         }
@@ -163,7 +165,13 @@ namespace Flowframes.Main
         public static Dictionary<string, int> frameCountCache = new Dictionary<string, int>();
         public static async Task<int> GetInputFrameCountAsync (string path)
         {
-            string hash = await IOUtils.GetHashAsync(path, IOUtils.Hash.xxHash);     // Get checksum for caching
+            int maxMb = Config.GetInt("storeHashedFramecountMaxSizeMb", 256);
+            string hash = "";
+
+            if (IOUtils.GetFilesize(path) >= 0 && IOUtils.GetFilesize(path) < maxMb * 1024 * 1024)
+                hash = await IOUtils.GetHashAsync(path, IOUtils.Hash.xxHash);     // Get checksum for caching
+            else
+                Logger.Log($"GetInputFrameCountAsync: File bigger than {maxMb}mb, won't hash.", true);
 
             if (hash.Length > 1 && frameCountCache.ContainsKey(hash))
             {