From 706b335ac5c2c043e3ffd7a4be5fc93b2b13b176 Mon Sep 17 00:00:00 2001
From: N00MKRAD <me@nmkd.de>
Date: Sun, 31 Jan 2021 13:46:02 +0100
Subject: [PATCH] Always delete temp folder if it has no interp frames

---
 Code/Main/AutoEncode.cs  | 10 +++++++---
 Code/Main/Interpolate.cs | 11 +++++++++--
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/Code/Main/AutoEncode.cs b/Code/Main/AutoEncode.cs
index 6ed420a..442b5f2 100644
--- a/Code/Main/AutoEncode.cs
+++ b/Code/Main/AutoEncode.cs
@@ -132,16 +132,20 @@ namespace Flowframes.Main
             Logger.Log("[AutoEnc] Starting DeleteOldFramesAsync.", true, false, "ffmpeg");
             Stopwatch sw = new Stopwatch();
             sw.Restart();
+            int counter = 0;
 
             foreach (int frame in frameLinesToEncode)
             {
-                bool delete = !FrameIsStillNeeded(interpFramesLines[frame], frame);
-                if (delete)    // Make sure frames are no longer needed (e.g. for dupes) before deleting!
+                if (!FrameIsStillNeeded(interpFramesLines[frame], frame))    // Make sure frames are no longer needed (for dupes) before deleting!
                 {
                     string framePath = Path.Combine(interpFramesPath, interpFramesLines[frame]);
                     File.WriteAllText(framePath, "THIS IS A DUMMY FILE - DO NOT DELETE ME");    // Overwrite to save space without breaking progress counter
-                    await Task.Delay(1);
                 }
+
+                if(counter % 100 == 0)
+                    await Task.Delay(1);
+
+                counter++;
             }
 
             Logger.Log("[AutoEnc] DeleteOldFramesAsync finished in " + FormatUtils.TimeSw(sw), true, false, "ffmpeg");
diff --git a/Code/Main/Interpolate.cs b/Code/Main/Interpolate.cs
index 4f439be..c6417c6 100644
--- a/Code/Main/Interpolate.cs
+++ b/Code/Main/Interpolate.cs
@@ -198,9 +198,16 @@ namespace Flowframes
             Program.mainForm.SetProgress(0);
             if (Config.GetInt("processingMode") == 0 && !Config.GetBool("keepTempFolder"))
             {
-                DialogResult dialogResult = MessageBox.Show($"Delete the temp folder (Yes) or keep it for resuming later (No)?", "Delete temporary files?", MessageBoxButtons.YesNo);
-                if (dialogResult == DialogResult.Yes)
+                if(IOUtils.GetAmountOfFiles(current.interpFolder, false) > ResumeUtils.minFrames)
+                {
+                    DialogResult dialogResult = MessageBox.Show($"Delete the temp folder (Yes) or keep it for resuming later (No)?", "Delete temporary files?", MessageBoxButtons.YesNo);
+                    if (dialogResult == DialogResult.Yes)
+                        IOUtils.TryDeleteIfExists(current.tempFolder);
+                }
+                else
+                {
                     IOUtils.TryDeleteIfExists(current.tempFolder);
+                }
             }
             AutoEncode.busy = false;
             Program.mainForm.SetWorking(false);