Added step-by-step processing mode, err handling for disk detection and RAM check

Code/AudioVideo/FFmpegCommands.cs

@@ -20,6 +20,7 @@ namespace Flowframes
 
         public static async Task ExtractSceneChanges(string inputFile, string frameFolderPath)
         {
+            Logger.Log("Extracting scene changes using FFmpeg...");
             await VideoToFrames(inputFile, frameFolderPath, (Config.GetInt("dedupMode") == 2), false, new Size(320, 180), true, true);
         }
 
@@ -30,6 +31,7 @@ namespace Flowframes
 
         public static async Task VideoToFrames(string inputFile, string frameFolderPath, bool deDupe, bool delSrc, Size size, bool timecodes = true, bool sceneDetect = false)
         {
+            if(!sceneDetect) Logger.Log("Extracting video frames using FFmpeg...");
             string sizeStr = (size.Width > 1 && size.Height > 1) ? $"-s {size.Width}x{size.Height}" : "";
             if (!Directory.Exists(frameFolderPath))
                 Directory.CreateDirectory(frameFolderPath);

Code/Flowframes.csproj

@@ -204,6 +204,7 @@
     <Compile Include="IO\PkgUtils.cs" />
     <Compile Include="Main\BatchProcessing.cs" />
     <Compile Include="Main\CreateVideo.cs" />
+    <Compile Include="Main\InterpolateSteps.cs" />
     <Compile Include="Main\InterpolateUtils.cs" />
     <Compile Include="Main\VfrDedupe.cs" />
     <Compile Include="OS\AiProcess.cs" />
@@ -227,7 +228,7 @@
     <Compile Include="Magick\MagickDedupe.cs" />
     <Compile Include="OS\NvApi.cs" />
     <Compile Include="OS\OSUtils.cs" />
-    <Compile Include="OS\Python.cs" />
+    <Compile Include="OS\Pytorch.cs" />
     <Compile Include="OS\Updater.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
@@ -239,6 +240,7 @@
     <Compile Include="UI\UtilsTab.cs" />
     <EmbeddedResource Include="Form1.resx">
       <DependentUpon>Form1.cs</DependentUpon>
+      <SubType>Designer</SubType>
     </EmbeddedResource>
     <EmbeddedResource Include="Forms\BatchForm.resx">
       <DependentUpon>BatchForm.cs</DependentUpon>

Code/Form1.Designer.cs

@@ -117,6 +117,8 @@
             this.previewPicturebox = new System.Windows.Forms.PictureBox();
             this.abtTab = new System.Windows.Forms.TabPage();
             this.htButton1 = new HTAlt.WinForms.HTButton();
+            this.runStepBtn = new System.Windows.Forms.Button();
+            this.stepSelector = new System.Windows.Forms.ComboBox();
             this.panel1.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)(this.pictureBox4)).BeginInit();
             ((System.ComponentModel.ISupportInitialize)(this.pictureBox3)).BeginInit();
@@ -953,6 +955,7 @@
             this.mainTabControl.UnselectedTabColor = System.Drawing.Color.FromArgb(((int)(((byte)(63)))), ((int)(((byte)(63)))), ((int)(((byte)(70)))));
             this.mainTabControl.UpDownBackColor = System.Drawing.Color.FromArgb(((int)(((byte)(63)))), ((int)(((byte)(63)))), ((int)(((byte)(70)))));
             this.mainTabControl.UpDownTextColor = System.Drawing.Color.FromArgb(((int)(((byte)(109)))), ((int)(((byte)(109)))), ((int)(((byte)(112)))));
+            this.mainTabControl.SelectedIndexChanged += new System.EventHandler(this.mainTabControl_SelectedIndexChanged);
             this.mainTabControl.DragDrop += new System.Windows.Forms.DragEventHandler(this.Form1_DragDrop);
             this.mainTabControl.DragEnter += new System.Windows.Forms.DragEventHandler(this.Form1_DragEnter);
             // 
@@ -1285,6 +1288,43 @@
             this.htButton1.TabIndex = 40;
             this.htButton1.UseVisualStyleBackColor = false;
             // 
+            // runStepBtn
+            // 
+            this.runStepBtn.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
+            this.runStepBtn.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(48)))), ((int)(((byte)(48)))), ((int)(((byte)(48)))));
+            this.runStepBtn.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
+            this.runStepBtn.ForeColor = System.Drawing.Color.White;
+            this.runStepBtn.Location = new System.Drawing.Point(12, 442);
+            this.runStepBtn.Margin = new System.Windows.Forms.Padding(3, 0, 3, 3);
+            this.runStepBtn.Name = "runStepBtn";
+            this.runStepBtn.Size = new System.Drawing.Size(203, 47);
+            this.runStepBtn.TabIndex = 42;
+            this.runStepBtn.Text = "Run This Step";
+            this.runStepBtn.UseVisualStyleBackColor = false;
+            this.runStepBtn.Visible = false;
+            this.runStepBtn.Click += new System.EventHandler(this.runStepBtn_Click);
+            // 
+            // stepSelector
+            // 
+            this.stepSelector.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
+            this.stepSelector.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.stepSelector.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
+            this.stepSelector.Font = new System.Drawing.Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.stepSelector.ForeColor = System.Drawing.Color.White;
+            this.stepSelector.FormattingEnabled = true;
+            this.stepSelector.Items.AddRange(new object[] {
+            "1) Extract Scene Changes",
+            "2) Extract Video Frames",
+            "3) Run Interpolation",
+            "4) Create Output Video",
+            "5) Reset/Cleanup"});
+            this.stepSelector.Location = new System.Drawing.Point(12, 418);
+            this.stepSelector.Margin = new System.Windows.Forms.Padding(3, 3, 3, 0);
+            this.stepSelector.Name = "stepSelector";
+            this.stepSelector.Size = new System.Drawing.Size(203, 24);
+            this.stepSelector.TabIndex = 73;
+            this.stepSelector.Visible = false;
+            // 
             // Form1
             // 
             this.AllowDrop = true;
@@ -1292,6 +1332,8 @@
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(32)))), ((int)(((byte)(32)))), ((int)(((byte)(32)))));
             this.ClientSize = new System.Drawing.Size(934, 501);
+            this.Controls.Add(this.stepSelector);
+            this.Controls.Add(this.runStepBtn);
             this.Controls.Add(this.updateBtn);
             this.Controls.Add(this.htButton1);
             this.Controls.Add(this.queueBtn);
@@ -1433,6 +1475,8 @@
         private System.Windows.Forms.Label label21;
         private System.Windows.Forms.Label newsLabel;
         private System.Windows.Forms.Label welcomeLabel2;
+        private System.Windows.Forms.Button runStepBtn;
+        private System.Windows.Forms.ComboBox stepSelector;
     }
 }
 

Code/Form1.cs

@@ -35,15 +35,12 @@ namespace Flowframes
             // Main Tab
             UIUtils.InitCombox(interpFactorCombox, 0);
             UIUtils.InitCombox(outModeCombox, 0);
-            //ConfigParser.LoadGuiElement(tilesize);
             UIUtils.InitCombox(tilesize, 4);
             // Video Utils
             UIUtils.InitCombox(utilsLoopTimesCombox, 0);
             UIUtils.InitCombox(utilsSpeedCombox, 0);
             UIUtils.InitCombox(utilsConvCrf, 0);
 
-            //aiCombox_SelectedIndexChanged(null, null);
-
             Program.mainForm = this;
             Logger.textbox = logBox;
 
@@ -53,6 +50,8 @@ namespace Flowframes
             ConfigParser.LoadComboxIndex(aiCombox);
 
             Setup.Init();
+            UpdateStepByStepControls();
+
             Initialized();
             Checks();
         }
@@ -367,5 +366,29 @@ namespace Flowframes
         {
             SetTab("interpolation");
         }
+
+        public void UpdateStepByStepControls ()
+        {
+            stepSelector.Items.Clear();
+            if(Config.GetBool("scnDetect"))
+                stepSelector.Items.AddRange(new string[] { "1) Extract Scene Changes", "2) Extract Video Frames", "3) Run Interpolation", "4) Create Output Video", "5) Cleanup & Reset" });
+            else
+                stepSelector.Items.AddRange(new string[] { "1) Extract Video Frames", "2) Run Interpolation", "3) Create Output Video", "4) Cleanup & Reset" });
+            stepSelector.SelectedIndex = 0;
+            bool stepByStep = Config.GetInt("processingMode") == 1;
+            stepSelector.Visible = stepByStep;
+            runStepBtn.Visible = stepByStep;
+        }
+
+        private async void runStepBtn_Click(object sender, EventArgs e)
+        {
+            await InterpolateSteps.Run(stepSelector.Text);
+        }
+
+        private void mainTabControl_SelectedIndexChanged(object sender, EventArgs e)
+        {
+            if (!initialized) return;
+            aiCombox_SelectedIndexChanged(null, null);
+        }
     }
 }

Code/Forms/BatchForm.Designer.cs

@@ -198,6 +198,7 @@
             this.Controls.Add(this.titleLabel);
             this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
             this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
+            this.MaximizeBox = false;
             this.Name = "BatchForm";
             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
             this.Text = "Batch Processing";

Code/Forms/InstallerForm.Designer.cs

@@ -152,6 +152,7 @@
             this.Controls.Add(this.pkgList);
             this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
             this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
+            this.MaximizeBox = false;
             this.Name = "InstallerForm";
             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
             this.Text = "Flowframes Package Installer";

Code/Forms/SettingsForm.Designer.cs

@@ -32,7 +32,7 @@
             System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(SettingsForm));
             this.settingsTabList = new Cyotek.Windows.Forms.TabList();
             this.generalTab = new Cyotek.Windows.Forms.TabListPage();
-            this.procedureMode = new System.Windows.Forms.ComboBox();
+            this.processingMode = new System.Windows.Forms.ComboBox();
             this.label39 = new System.Windows.Forms.Label();
             this.tempDirBrowseBtn = new HTAlt.WinForms.HTButton();
             this.tempDirCustom = new System.Windows.Forms.TextBox();
@@ -47,6 +47,11 @@
             this.deleteLogsOnStartup = new System.Windows.Forms.CheckBox();
             this.label11 = new System.Windows.Forms.Label();
             this.tabListPage2 = new Cyotek.Windows.Forms.TabListPage();
+            this.label52 = new System.Windows.Forms.Label();
+            this.scnDetectValue = new System.Windows.Forms.ComboBox();
+            this.label51 = new System.Windows.Forms.Label();
+            this.scnDetect = new System.Windows.Forms.CheckBox();
+            this.label50 = new System.Windows.Forms.Label();
             this.mpDedupePanel = new System.Windows.Forms.Panel();
             this.panel13 = new System.Windows.Forms.Panel();
             this.mpdecimateMode = new System.Windows.Forms.ComboBox();
@@ -85,6 +90,8 @@
             this.label28 = new System.Windows.Forms.Label();
             this.label29 = new System.Windows.Forms.Label();
             this.vidExportTab = new Cyotek.Windows.Forms.TabListPage();
+            this.loopMode = new System.Windows.Forms.ComboBox();
+            this.label55 = new System.Windows.Forms.Label();
             this.panel8 = new System.Windows.Forms.Panel();
             this.panel7 = new System.Windows.Forms.Panel();
             this.panel6 = new System.Windows.Forms.Panel();
@@ -112,6 +119,8 @@
             this.label8 = new System.Windows.Forms.Label();
             this.minOutVidLength = new System.Windows.Forms.ComboBox();
             this.debugTab = new Cyotek.Windows.Forms.TabListPage();
+            this.label54 = new System.Windows.Forms.Label();
+            this.label53 = new System.Windows.Forms.Label();
             this.vfrMode = new System.Windows.Forms.ComboBox();
             this.label48 = new System.Windows.Forms.Label();
             this.ffEncPreset = new System.Windows.Forms.ComboBox();
@@ -132,15 +141,6 @@
             this.cmdDebugMode = new System.Windows.Forms.ComboBox();
             this.titleLabel = new System.Windows.Forms.Label();
             this.toolTip1 = new System.Windows.Forms.ToolTip(this.components);
-            this.label50 = new System.Windows.Forms.Label();
-            this.scnDetect = new System.Windows.Forms.CheckBox();
-            this.scnDetectValue = new System.Windows.Forms.ComboBox();
-            this.label51 = new System.Windows.Forms.Label();
-            this.label52 = new System.Windows.Forms.Label();
-            this.label53 = new System.Windows.Forms.Label();
-            this.label54 = new System.Windows.Forms.Label();
-            this.label55 = new System.Windows.Forms.Label();
-            this.loopMode = new System.Windows.Forms.ComboBox();
             this.settingsTabList.SuspendLayout();
             this.generalTab.SuspendLayout();
             this.tabListPage2.SuspendLayout();
@@ -168,7 +168,7 @@
             // generalTab
             // 
             this.generalTab.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(48)))), ((int)(((byte)(48)))), ((int)(((byte)(48)))));
-            this.generalTab.Controls.Add(this.procedureMode);
+            this.generalTab.Controls.Add(this.processingMode);
             this.generalTab.Controls.Add(this.label39);
             this.generalTab.Controls.Add(this.tempDirBrowseBtn);
             this.generalTab.Controls.Add(this.tempDirCustom);
@@ -186,21 +186,20 @@
             this.generalTab.Size = new System.Drawing.Size(762, 419);
             this.generalTab.Text = "General";
             // 
-            // procedureMode
+            // processingMode
             // 
-            this.procedureMode.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
+            this.processingMode.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
-            this.procedureMode.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.processingMode.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
-            this.procedureMode.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
+            this.processingMode.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
-            this.procedureMode.ForeColor = System.Drawing.Color.White;
+            this.processingMode.ForeColor = System.Drawing.Color.White;
-            this.procedureMode.FormattingEnabled = true;
+            this.processingMode.FormattingEnabled = true;
-            this.procedureMode.Items.AddRange(new object[] {
+            this.processingMode.Items.AddRange(new object[] {
-            "COMING SOON - NOT FUNCTIONAL YET",
             "Do All Steps At Once (Extract, Interpolate, Encode)",
             "Run Each Step Separately (For Manually Editing Frames)"});
-            this.procedureMode.Location = new System.Drawing.Point(280, 7);
+            this.processingMode.Location = new System.Drawing.Point(280, 7);
-            this.procedureMode.Name = "procedureMode";
+            this.processingMode.Name = "processingMode";
-            this.procedureMode.Size = new System.Drawing.Size(300, 21);
+            this.processingMode.Size = new System.Drawing.Size(300, 21);
-            this.procedureMode.TabIndex = 72;
+            this.processingMode.TabIndex = 72;
             // 
             // label39
             // 
@@ -337,7 +336,7 @@
             // 
             this.deleteLogsOnStartup.AutoSize = true;
             this.deleteLogsOnStartup.Location = new System.Drawing.Point(280, 130);
-            this.deleteLogsOnStartup.Name = "delLogsOnStartup";
+            this.deleteLogsOnStartup.Name = "deleteLogsOnStartup";
             this.deleteLogsOnStartup.Size = new System.Drawing.Size(15, 14);
             this.deleteLogsOnStartup.TabIndex = 23;
             this.deleteLogsOnStartup.UseVisualStyleBackColor = true;
@@ -379,6 +378,66 @@
             this.tabListPage2.Size = new System.Drawing.Size(762, 419);
             this.tabListPage2.Text = "Interpolation";
             // 
+            // label52
+            // 
+            this.label52.AutoSize = true;
+            this.label52.ForeColor = System.Drawing.Color.Silver;
+            this.label52.Location = new System.Drawing.Point(482, 161);
+            this.label52.Margin = new System.Windows.Forms.Padding(10, 10, 10, 7);
+            this.label52.Name = "label52";
+            this.label52.Size = new System.Drawing.Size(225, 13);
+            this.label52.TabIndex = 67;
+            this.label52.Text = "Lower values will detect more scene changes.";
+            // 
+            // scnDetectValue
+            // 
+            this.scnDetectValue.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
+            this.scnDetectValue.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.scnDetectValue.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
+            this.scnDetectValue.ForeColor = System.Drawing.Color.White;
+            this.scnDetectValue.FormattingEnabled = true;
+            this.scnDetectValue.Items.AddRange(new object[] {
+            "0.4",
+            "0.3",
+            "0.25",
+            "0.2",
+            "0.15",
+            "0.1"});
+            this.scnDetectValue.Location = new System.Drawing.Point(364, 157);
+            this.scnDetectValue.Margin = new System.Windows.Forms.Padding(3, 3, 8, 3);
+            this.scnDetectValue.Name = "scnDetectValue";
+            this.scnDetectValue.Size = new System.Drawing.Size(100, 21);
+            this.scnDetectValue.TabIndex = 65;
+            // 
+            // label51
+            // 
+            this.label51.AutoSize = true;
+            this.label51.Location = new System.Drawing.Point(301, 161);
+            this.label51.Margin = new System.Windows.Forms.Padding(3);
+            this.label51.Name = "label51";
+            this.label51.Size = new System.Drawing.Size(57, 13);
+            this.label51.TabIndex = 66;
+            this.label51.Text = "Sensitivity:";
+            // 
+            // scnDetect
+            // 
+            this.scnDetect.AutoSize = true;
+            this.scnDetect.Location = new System.Drawing.Point(280, 160);
+            this.scnDetect.Name = "scnDetect";
+            this.scnDetect.Size = new System.Drawing.Size(15, 14);
+            this.scnDetect.TabIndex = 64;
+            this.scnDetect.UseVisualStyleBackColor = true;
+            // 
+            // label50
+            // 
+            this.label50.AutoSize = true;
+            this.label50.Location = new System.Drawing.Point(10, 160);
+            this.label50.Margin = new System.Windows.Forms.Padding(10, 10, 10, 7);
+            this.label50.Name = "label50";
+            this.label50.Size = new System.Drawing.Size(194, 13);
+            this.label50.TabIndex = 63;
+            this.label50.Text = "Don\'t Interpolate Scene Changes (Cuts)";
+            // 
             // mpDedupePanel
             // 
             this.mpDedupePanel.Controls.Add(this.panel13);
@@ -852,6 +911,31 @@
             this.vidExportTab.Size = new System.Drawing.Size(762, 419);
             this.vidExportTab.Text = "Video Export";
             // 
+            // loopMode
+            // 
+            this.loopMode.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
+            this.loopMode.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.loopMode.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
+            this.loopMode.ForeColor = System.Drawing.Color.White;
+            this.loopMode.FormattingEnabled = true;
+            this.loopMode.Items.AddRange(new object[] {
+            "Only Save Looped Video",
+            "Save Both Original And Looped Video"});
+            this.loopMode.Location = new System.Drawing.Point(280, 237);
+            this.loopMode.Name = "loopMode";
+            this.loopMode.Size = new System.Drawing.Size(400, 21);
+            this.loopMode.TabIndex = 62;
+            // 
+            // label55
+            // 
+            this.label55.AutoSize = true;
+            this.label55.Location = new System.Drawing.Point(10, 240);
+            this.label55.Margin = new System.Windows.Forms.Padding(10, 10, 10, 7);
+            this.label55.Name = "label55";
+            this.label55.Size = new System.Drawing.Size(162, 13);
+            this.label55.TabIndex = 61;
+            this.label55.Text = "Minimum Length Encoding Mode";
+            // 
             // panel8
             // 
             this.panel8.BackgroundImage = global::Flowframes.Properties.Resources.baseline_create_white_18dp_semiTransparent;
@@ -1160,7 +1244,7 @@
             "10",
             "20"});
             this.minOutVidLength.Location = new System.Drawing.Point(280, 207);
-            this.minOutVidLength.Name = "minVidLength";
+            this.minOutVidLength.Name = "minOutVidLength";
             this.minOutVidLength.Size = new System.Drawing.Size(100, 21);
             this.minOutVidLength.TabIndex = 29;
             // 
@@ -1191,6 +1275,28 @@
             this.debugTab.Size = new System.Drawing.Size(762, 419);
             this.debugTab.Text = "Debugging / Experimental";
             // 
+            // label54
+            // 
+            this.label54.AutoSize = true;
+            this.label54.ForeColor = System.Drawing.Color.Silver;
+            this.label54.Location = new System.Drawing.Point(543, 184);
+            this.label54.Margin = new System.Windows.Forms.Padding(10, 10, 10, 7);
+            this.label54.Name = "label54";
+            this.label54.Size = new System.Drawing.Size(118, 13);
+            this.label54.TabIndex = 82;
+            this.label54.Text = "Slower is more efficient.\r\n";
+            // 
+            // label53
+            // 
+            this.label53.AutoSize = true;
+            this.label53.ForeColor = System.Drawing.Color.Silver;
+            this.label53.Location = new System.Drawing.Point(543, 214);
+            this.label53.Margin = new System.Windows.Forms.Padding(10, 10, 10, 7);
+            this.label53.Name = "label53";
+            this.label53.Size = new System.Drawing.Size(186, 13);
+            this.label53.TabIndex = 81;
+            this.label53.Text = "CFR is recommended for compatibility.";
+            // 
             // vfrMode
             // 
             this.vfrMode.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
@@ -1327,7 +1433,7 @@
             this.ffEncThreads.Location = new System.Drawing.Point(280, 153);
             this.ffEncThreads.MinimumSize = new System.Drawing.Size(4, 21);
             this.ffEncThreads.Name = "ffEncThreads";
-            this.ffEncThreads.Size = new System.Drawing.Size(250, 21);
+            this.ffEncThreads.Size = new System.Drawing.Size(250, 20);
             this.ffEncThreads.TabIndex = 70;
             // 
             // label37
@@ -1417,113 +1523,6 @@
             this.titleLabel.TabIndex = 1;
             this.titleLabel.Text = "Settings";
             // 
-            // label50
-            // 
-            this.label50.AutoSize = true;
-            this.label50.Location = new System.Drawing.Point(10, 160);
-            this.label50.Margin = new System.Windows.Forms.Padding(10, 10, 10, 7);
-            this.label50.Name = "label50";
-            this.label50.Size = new System.Drawing.Size(194, 13);
-            this.label50.TabIndex = 63;
-            this.label50.Text = "Don\'t Interpolate Scene Changes (Cuts)";
-            // 
-            // scnDetect
-            // 
-            this.scnDetect.AutoSize = true;
-            this.scnDetect.Location = new System.Drawing.Point(280, 160);
-            this.scnDetect.Name = "scnDetect";
-            this.scnDetect.Size = new System.Drawing.Size(15, 14);
-            this.scnDetect.TabIndex = 64;
-            this.scnDetect.UseVisualStyleBackColor = true;
-            // 
-            // scnDetectValue
-            // 
-            this.scnDetectValue.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
-            this.scnDetectValue.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
-            this.scnDetectValue.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
-            this.scnDetectValue.ForeColor = System.Drawing.Color.White;
-            this.scnDetectValue.FormattingEnabled = true;
-            this.scnDetectValue.Items.AddRange(new object[] {
-            "0.4",
-            "0.3",
-            "0.25",
-            "0.2",
-            "0.15",
-            "0.1"});
-            this.scnDetectValue.Location = new System.Drawing.Point(364, 157);
-            this.scnDetectValue.Margin = new System.Windows.Forms.Padding(3, 3, 8, 3);
-            this.scnDetectValue.Name = "scnDetectValue";
-            this.scnDetectValue.Size = new System.Drawing.Size(100, 21);
-            this.scnDetectValue.TabIndex = 65;
-            // 
-            // label51
-            // 
-            this.label51.AutoSize = true;
-            this.label51.Location = new System.Drawing.Point(301, 161);
-            this.label51.Margin = new System.Windows.Forms.Padding(3);
-            this.label51.Name = "label51";
-            this.label51.Size = new System.Drawing.Size(57, 13);
-            this.label51.TabIndex = 66;
-            this.label51.Text = "Sensitivity:";
-            // 
-            // label52
-            // 
-            this.label52.AutoSize = true;
-            this.label52.ForeColor = System.Drawing.Color.Silver;
-            this.label52.Location = new System.Drawing.Point(482, 161);
-            this.label52.Margin = new System.Windows.Forms.Padding(10, 10, 10, 7);
-            this.label52.Name = "label52";
-            this.label52.Size = new System.Drawing.Size(225, 13);
-            this.label52.TabIndex = 67;
-            this.label52.Text = "Lower values will detect more scene changes.";
-            // 
-            // label53
-            // 
-            this.label53.AutoSize = true;
-            this.label53.ForeColor = System.Drawing.Color.Silver;
-            this.label53.Location = new System.Drawing.Point(543, 214);
-            this.label53.Margin = new System.Windows.Forms.Padding(10, 10, 10, 7);
-            this.label53.Name = "label53";
-            this.label53.Size = new System.Drawing.Size(186, 13);
-            this.label53.TabIndex = 81;
-            this.label53.Text = "CFR is recommended for compatibility.";
-            // 
-            // label54
-            // 
-            this.label54.AutoSize = true;
-            this.label54.ForeColor = System.Drawing.Color.Silver;
-            this.label54.Location = new System.Drawing.Point(543, 184);
-            this.label54.Margin = new System.Windows.Forms.Padding(10, 10, 10, 7);
-            this.label54.Name = "label54";
-            this.label54.Size = new System.Drawing.Size(118, 13);
-            this.label54.TabIndex = 82;
-            this.label54.Text = "Slower is more efficient.\r\n";
-            // 
-            // label55
-            // 
-            this.label55.AutoSize = true;
-            this.label55.Location = new System.Drawing.Point(10, 240);
-            this.label55.Margin = new System.Windows.Forms.Padding(10, 10, 10, 7);
-            this.label55.Name = "label55";
-            this.label55.Size = new System.Drawing.Size(162, 13);
-            this.label55.TabIndex = 61;
-            this.label55.Text = "Minimum Length Encoding Mode";
-            // 
-            // loopMode
-            // 
-            this.loopMode.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
-            this.loopMode.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
-            this.loopMode.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
-            this.loopMode.ForeColor = System.Drawing.Color.White;
-            this.loopMode.FormattingEnabled = true;
-            this.loopMode.Items.AddRange(new object[] {
-            "Only Save Looped Video",
-            "Save Both Original And Looped Video"});
-            this.loopMode.Location = new System.Drawing.Point(280, 237);
-            this.loopMode.Name = "loopMode";
-            this.loopMode.Size = new System.Drawing.Size(400, 21);
-            this.loopMode.TabIndex = 62;
-            // 
             // SettingsForm
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
@@ -1534,6 +1533,7 @@
             this.Controls.Add(this.settingsTabList);
             this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
             this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
+            this.MaximizeBox = false;
             this.Name = "SettingsForm";
             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
             this.Text = "Flowframes Settings ";
@@ -1643,7 +1643,7 @@
         private System.Windows.Forms.Label label38;
         private System.Windows.Forms.Panel panel11;
         private System.Windows.Forms.TextBox ffEncThreads;
-        private System.Windows.Forms.ComboBox procedureMode;
+        private System.Windows.Forms.ComboBox processingMode;
         private System.Windows.Forms.Label label39;
         private System.Windows.Forms.Label label41;
         private System.Windows.Forms.CheckBox ffprobeCountFrames;

Code/Forms/SettingsForm.cs

@@ -30,6 +30,7 @@ namespace Flowframes.Forms
         private void SettingsForm_FormClosing(object sender, FormClosingEventArgs e)
         {
             SaveSettings();
+            Program.mainForm.UpdateStepByStepControls();
         }
 
         void SaveSettings ()
@@ -46,6 +47,7 @@ namespace Flowframes.Forms
             ffEncThreads.Text = ffEncThreads.GetInt().ToString();
 
             // General
+            ConfigParser.SaveComboxIndex(processingMode);
             ConfigParser.SaveGuiElement(maxVidHeight);
             ConfigParser.SaveComboxIndex(tempFolderLoc);
             ConfigParser.SaveGuiElement(keepTempFolder);
@@ -86,9 +88,10 @@ namespace Flowframes.Forms
         void LoadSettings()
         {
             // REMOVE ME ONCE FINISHED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-            procedureMode.SelectedIndex = 0;
+            //processingMode.SelectedIndex = 0;
 
             // General
+            ConfigParser.LoadComboxIndex(processingMode);
             ConfigParser.LoadGuiElement(maxVidHeight);
             ConfigParser.LoadComboxIndex(tempFolderLoc); ConfigParser.LoadGuiElement(tempDirCustom);
             ConfigParser.LoadGuiElement(deleteLogsOnStartup);

Code/Main/CreateVideo.cs

@@ -74,17 +74,18 @@ namespace Flowframes.Main
 
                 if (Config.GetInt("timingMode") == 1 && Config.GetInt("dedupMode") != 0)
                 {
-                    string vfrFile = Path.Combine(framesPath.GetParentDir(), "vfr.ini");
+                    string vfrFile = Path.Combine(framesPath.GetParentDir(), $"vfr-x{i.lastInterpFactor}.ini");
-                    await FFmpegCommands.FramesToMp4Vfr(vfrFile, outPath, h265, crf, fps, looptimes);
+                    await FFmpegCommands.FramesToMp4Vfr(vfrFile, outPath, h265, crf, fps, -1);
                 }
                 else
                 {
                     await FFmpegCommands.FramesToMp4(framesPath, outPath, h265, crf, fps, "", false, -1, ext);   // Create video
                 }
 
+                await MergeAudio(i.lastInputPath, outPath);
+
                 if (looptimes > 0)
                     await Loop(outPath, looptimes);
-                await MergeAudio(i.lastInputPath, outPath);
 
                 if (changeFps > 0)
                 {
@@ -108,7 +109,7 @@ namespace Flowframes.Main
         static int GetLoopTimes(string framesOutPath)
         {
             int times = -1;
-            int minLength = Config.GetInt("minVidLength");
+            int minLength = Config.GetInt("minOutVidLength");
             int minFrameCount = (minLength * i.currentOutFps).RoundToInt();
             int outFrames = new DirectoryInfo(framesOutPath).GetFiles($"*.{InterpolateUtils.lastExt}", SearchOption.TopDirectoryOnly).Length;
             if (outFrames / i.currentOutFps < minLength)
@@ -136,9 +137,10 @@ namespace Flowframes.Main
                 }
                 await FFmpegCommands.MergeAudio(outVideo, IOUtils.GetAudioFile(audioFileBasePath));        // Merge from audioFile into outVideo
             }
-            catch
+            catch (Exception e)
             {
                 Logger.Log("Failed to copy audio!");
+                Logger.Log("MergeAudio() Exception: " + e.Message, true);
             }
         }
     }

Code/Main/Interpolate.cs

@@ -23,11 +23,12 @@ namespace Flowframes
         public enum OutMode { VidMp4, VidGif, ImgPng }
 
         public static string currentTempDir;
-        static string framesPath;
+        public static string currentFramesPath;
         public static int interpFactor;
         public static float currentInFps;
         public static float currentOutFps;
 
+        public static int lastInterpFactor;
         public static string lastInputPath;
         public static AI lastAi;
 
@@ -47,9 +48,10 @@ namespace Flowframes
             canceled = false;
             if (!Utils.InputIsValid(inPath, outDir, currentOutFps, interpFactor, tilesize)) return;     // General input checks
             if (!Utils.CheckAiAvailable(ai)) return;            // Check if selected AI pkg is installed
+            lastInterpFactor = interpFactor;
             lastInputPath = inPath;
             currentTempDir = Utils.GetTempFolderLoc(inPath, outDir);
-            framesPath = Path.Combine(currentTempDir, "frames");
+            currentFramesPath = Path.Combine(currentTempDir, "frames");
             if (!Utils.CheckDeleteOldTempFolder()) return;      // Try to delete temp folder if an old one exists
             if(!Utils.CheckPathValid(inPath)) return;           // Check if input path/file is valid
             Utils.PathAsciiCheck(inPath, outDir);
@@ -58,9 +60,9 @@ namespace Flowframes
             Program.mainForm.SetWorking(true);
             await Task.Delay(10);
             if (!IOUtils.IsPathDirectory(inPath))        // Input is video - extract frames first
-                await ExtractFrames(inPath, framesPath);
+                await ExtractFrames(inPath, currentFramesPath);
             else
-                IOUtils.Copy(inPath, framesPath);
+                IOUtils.Copy(inPath, currentFramesPath);
             if (canceled) return;
             sw.Restart();
             await Task.Delay(10);
@@ -68,7 +70,7 @@ namespace Flowframes
             if (canceled) return;
             string interpFramesDir = Path.Combine(currentTempDir, "frames-interpolated");
             string outPath = Path.Combine(outDir, Path.GetFileNameWithoutExtension(inPath) + IOUtils.GetAiSuffix(ai, interpFactor) + Utils.GetExt(outMode));
-            int frames = IOUtils.GetAmountOfFiles(framesPath, false, "*.png");
+            int frames = IOUtils.GetAmountOfFiles(currentFramesPath, false, "*.png");
             int targetFrameCount = frames * interpFactor;
             GetProgressByFrameAmount(interpFramesDir, targetFrameCount);
             if (canceled) return;
@@ -86,7 +88,6 @@ namespace Flowframes
 
         public static async Task ExtractFrames(string inPath, string outPath, bool extractAudio = true)
         {
-            Logger.Log("Extracting frames using FFmpeg...");
             await Task.Delay(10);
             if (Config.GetBool("scnDetect"))
             {
@@ -132,51 +133,56 @@ namespace Flowframes
             }
         }
 
-
+        public static async Task PostProcessFrames ()
-        public static bool firstFrameFix;
-        static async Task PostProcessFrames ()
         {
-            if(!Directory.Exists(framesPath) || IOUtils.GetAmountOfFiles(framesPath, false, "*.png") <= 0)
+            bool firstFrameFix = lastAi.aiName == Networks.rifeCuda.aiName;
+
+            if (!Directory.Exists(currentFramesPath) || IOUtils.GetAmountOfFiles(currentFramesPath, false, "*.png") <= 0)
             {
                 Cancel("Failed to extract frames from input video!");
             }
 
+            string hasPreprocessedFile = Path.Combine(currentTempDir, ".preprocessed");
+            if (File.Exists(hasPreprocessedFile)) return;
+
             if (Config.GetInt("dedupMode") == 1)
-                await MagickDedupe.Run(framesPath);
+                await MagickDedupe.Run(currentFramesPath);
             else
                 MagickDedupe.ClearCache();
 
             if (canceled) return;
 
-            if (Config.GetInt("timingMode") == 1 && Config.GetInt("dedupMode") != 0)
+            if (Config.GetInt("timingMode") == 1)
-                await VfrDedupe.CreateTimecodeFile(framesPath, Config.GetBool("enableLoop"), interpFactor, firstFrameFix);
+                await VfrDedupe.CreateTimecodeFiles(currentFramesPath, Config.GetBool("enableLoop"), firstFrameFix);
 
             if (canceled) return;
-            MagickDedupe.RenameCounterDir(framesPath, "png");
+            MagickDedupe.RenameCounterDir(currentFramesPath, "png");
-            MagickDedupe.ZeroPadDir(framesPath, "png", 8);
+            MagickDedupe.ZeroPadDir(currentFramesPath, "png", 8);
 
-            if (lastAi.aiName == Networks.rifeCuda.aiName)
+            if (firstFrameFix)
             {
-                bool s = IOUtils.TryCopy(new DirectoryInfo(framesPath).GetFiles("*.png")[0].FullName, Path.Combine(framesPath, "00000000.png"), true);
+                bool s = IOUtils.TryCopy(new DirectoryInfo(currentFramesPath).GetFiles("*.png")[0].FullName, Path.Combine(currentFramesPath, "00000000.png"), true);
                 Logger.Log("FirstFrameFix TryCopy Success:" + s, true);
             }
+
+            File.Create(hasPreprocessedFile);
         }
 
-        static async Task RunAi(string outpath, int targetFrames, int tilesize, AI ai)
+        public static async Task RunAi(string outpath, int targetFrames, int tilesize, AI ai)
         {
             Directory.CreateDirectory(outpath);
 
             if (ai.aiName == Networks.dainNcnn.aiName)
-                await AiProcess.RunDainNcnn(framesPath, outpath, targetFrames, tilesize);
+                await AiProcess.RunDainNcnn(currentFramesPath, outpath, targetFrames, tilesize);
 
             if (ai.aiName == Networks.cainNcnn.aiName)
-                await AiProcess.RunCainNcnnMulti(framesPath, outpath, tilesize, interpFactor);
+                await AiProcess.RunCainNcnnMulti(currentFramesPath, outpath, tilesize, interpFactor);
 
             if (ai.aiName == Networks.rifeCuda.aiName)
-                await AiProcess.RunRifeCuda(framesPath, interpFactor);
+                await AiProcess.RunRifeCuda(currentFramesPath, interpFactor);
 
             if (ai.aiName == Networks.rifeNcnn.aiName)
-                await AiProcess.RunRifeNcnnMulti(framesPath, outpath, tilesize, interpFactor);
+                await AiProcess.RunRifeNcnnMulti(currentFramesPath, outpath, tilesize, interpFactor);
         }
 
         public static async void GetProgressByFrameAmount(string outdir, int target)
@@ -221,7 +227,7 @@ namespace Flowframes
                 Utils.ShowMessage($"Canceled:\n\n{reason}");
         }
 
-        static void Cleanup(string interpFramesDir)
+        public static void Cleanup(string interpFramesDir)
         {
             if (Config.GetBool("keepTempFolder")) return;
             Logger.Log("Deleting temporary files...");

Code/Main/InterpolateSteps.cs

@@ -0,0 +1,140 @@
+using Flowframes.Data;
+using Flowframes.IO;
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Flowframes.Main
+{
+    using static Interpolate;
+
+    class InterpolateSteps
+    {
+        public enum Step { ExtractScnChanges, ExtractFrames, Interpolate, CreateVid, Reset }
+
+        public static string currentInPath;
+        public static string currentOutPath;
+        public static string currentInterpFramesDir;
+        public static AI currentAi;
+        public static OutMode currentOutMode;
+
+        public static async Task Run(string step)
+        {
+            canceled = false;
+            Program.mainForm.SetWorking(true);
+            InitState();
+
+            if (step.Contains("Extract Scene Changes"))
+                await ExtractSceneChanges();
+            if (step.Contains("Extract Video Frames"))
+                await ExtractVideoFrames();
+            if (step.Contains("Run Interpolation"))
+                await DoInterpolate();
+            if (step.Contains("Create Output Video"))
+                await CreateOutputVid();
+            if (step.Contains("Cleanup"))
+                await Reset();
+
+            Program.mainForm.SetWorking(false);
+            Logger.Log("Done running this step.");
+        }
+
+        static void InitState ()
+        {
+            BatchEntry e = Program.mainForm.GetBatchEntry();
+            interpFactor = e.interpFactor;
+            currentAi = e.ai;
+
+            if (string.IsNullOrWhiteSpace(currentInPath))
+                currentInPath = e.inPath;
+
+            if (string.IsNullOrWhiteSpace(currentOutPath))
+                currentOutPath = e.outPath;
+
+            if (string.IsNullOrWhiteSpace(currentTempDir))
+                currentTempDir = InterpolateUtils.GetTempFolderLoc(currentInPath, currentOutPath);
+
+            if (string.IsNullOrWhiteSpace(currentFramesPath))
+                currentFramesPath = Path.Combine(currentTempDir, "frames");
+        }
+
+        public static async Task ExtractSceneChanges ()
+        {
+            Program.mainForm.SetStatus("Extracting scenes from video...");
+            await FFmpegCommands.ExtractSceneChanges(currentInPath, Path.Combine(currentTempDir, "scenes"));
+            await Task.Delay(10);
+        }
+
+        public static async Task ExtractVideoFrames ()
+        {
+            currentFramesPath = Path.Combine(currentTempDir, "frames");
+            bool extractAudio = true;
+            Program.mainForm.SetStatus("Extracting frames from video...");
+            Size resolution = IOUtils.GetVideoRes(currentInPath);
+            int maxHeight = Config.GetInt("maxVidHeight");
+            if (resolution.Height > maxHeight)
+            {
+                float factor = (float)maxHeight / resolution.Height;
+                int width = (resolution.Width * factor).RoundToInt();
+                Logger.Log($"Video is bigger than the maximum - Downscaling to {width}x{maxHeight}.");
+                await FFmpegCommands.VideoToFrames(currentInPath, currentFramesPath, Config.GetInt("dedupMode") == 2, false, new Size(width, maxHeight));
+            }
+            else
+            {
+                await FFmpegCommands.VideoToFrames(currentInPath, currentFramesPath, Config.GetInt("dedupMode") == 2, false);
+            }
+            if (extractAudio)
+            {
+                string audioFile = Path.Combine(currentTempDir, "audio.m4a");
+                if (audioFile != null && !File.Exists(audioFile))
+                    await FFmpegCommands.ExtractAudio(currentInPath, audioFile);
+            }
+            if (!canceled && Config.GetBool("enableLoop") && Config.GetInt("timingMode") != 1)
+            {
+                string lastFrame = IOUtils.GetHighestFrameNumPath(currentOutPath);
+                int newNum = Path.GetFileName(lastFrame).GetInt() + 1;
+                string newFilename = Path.Combine(lastFrame.GetParentDir(), newNum.ToString().PadLeft(8, '0') + ".png");
+                string firstFrame = new DirectoryInfo(currentOutPath).GetFiles("*.png")[0].FullName;
+                File.Copy(firstFrame, newFilename);
+                Logger.Log("Copied loop frame.");
+            }
+        }
+
+        public static async Task DoInterpolate ()
+        {
+            await PostProcessFrames();
+
+            string interpFramesDir = Path.Combine(currentTempDir, "frames-interpolated");
+            if (!IOUtils.TryDeleteIfExists(interpFramesDir))
+            {
+                InterpolateUtils.ShowMessage("Failed to delete old \"interpolated-frames folder\" - Make sure none of the files are opened in another program!", "Error");
+                return;
+            }
+            lastInterpFactor = interpFactor;
+            int frames = IOUtils.GetAmountOfFiles(currentFramesPath, false, "*.png");
+            int targetFrameCount = frames * lastInterpFactor;
+            GetProgressByFrameAmount(interpFramesDir, targetFrameCount);
+            if (canceled) return;
+            Program.mainForm.SetStatus("Running AI...");
+            int tilesize = currentAi.supportsTiling ? Config.GetInt($"tilesize_{currentAi.aiName}") : 512;
+            await RunAi(interpFramesDir, targetFrameCount, tilesize, currentAi);
+            Program.mainForm.SetProgress(0);
+        }
+
+        public static async Task CreateOutputVid ()
+        {
+            currentInterpFramesDir = Path.Combine(currentTempDir, "frames-interpolated");
+            string outPath = Path.Combine(currentOutPath, Path.GetFileNameWithoutExtension(currentInPath) + IOUtils.GetAiSuffix(currentAi, lastInterpFactor) + InterpolateUtils.GetExt(currentOutMode));
+            await CreateVideo.FramesToVideo(currentInterpFramesDir, outPath, currentOutMode);
+        }
+
+        public static async Task Reset ()
+        {
+            Cleanup(currentInterpFramesDir);
+        }
+    }
+}

Code/Main/VfrDedupe.cs

@@ -12,20 +12,32 @@ namespace Flowframes.Main
 {
     class VfrDedupe
     {
+
+        public static async Task CreateTimecodeFiles(string framesPath, bool loopEnabled, bool firstFrameFix)
+        {
+            Logger.Log("Generating timecodes...");
+            await CreateTimecodeFile(framesPath, loopEnabled, 2, firstFrameFix);
+            await CreateTimecodeFile(framesPath, loopEnabled, 4, firstFrameFix);
+            await CreateTimecodeFile(framesPath, loopEnabled, 8, firstFrameFix);
+            frameFiles = null;
+            Logger.Log($"Generating timecodes... Done.", false, true);
+        }
+
+        static FileInfo[] frameFiles;
+
         public static async Task CreateTimecodeFile(string framesPath, bool loopEnabled, int interpFactor, bool firstFrameFix)
         {
             bool sceneDetection = true;
-            Logger.Log("Generating timecodes...");
 
-            FileInfo[] frameFiles = new DirectoryInfo(framesPath).GetFiles("*.png");
+            if(frameFiles == null || frameFiles.Length < 1)
-            string vfrFile = Path.Combine(framesPath.GetParentDir(), "vfr.ini");
+                frameFiles = new DirectoryInfo(framesPath).GetFiles("*.png");
+            string vfrFile = Path.Combine(framesPath.GetParentDir(), $"vfr-x{interpFactor}.ini");
             string fileContent = "";
 
             string scnFramesPath = Path.Combine(framesPath.GetParentDir(), "scenes");
             string interpPath = framesPath.Replace(@"\", "/") + "-interpolated";
 
             int lastFrameDuration = 1;
-            bool discardNext = false;
 
             // Calculate time duration between frames
             int totalFileCount = 1;
@@ -59,7 +71,7 @@ namespace Flowframes.Main
                     if (discardThisFrame)
                     {
                         int lastNum = totalFileCount - 1;
-                        for(int dupeCount = 1; dupeCount < interpFramesAmount; dupeCount++)
+                        for (int dupeCount = 1; dupeCount < interpFramesAmount; dupeCount++)
                         {
                             //Logger.Log($"-> Writing #{frm + 1}: {lastNum}");
                             fileContent += $"file '{interpPath}/{lastNum.ToString().PadLeft(8, '0')}.png'\nduration {durationStr}\n";
@@ -73,15 +85,17 @@ namespace Flowframes.Main
                     totalFileCount++;   // Don't increment, so we dupe the last frame and ignore the interp frame
                 }
 
-                if ((i+1) % 50 == 0)
+                if ((i + 1) % 100 == 0)
                 {
-                    Logger.Log($"Generating timecodes... {i + 1}/{frameFiles.Length}", false, true);
+                    Logger.Log($"Generating timecodes for {interpFactor}x...", false, true);
                     await Task.Delay(1);
                 }
             }
 
             File.WriteAllText(vfrFile, fileContent);
-            Logger.Log($"Generating timecodes... Done.", false, true);
+
+            if (interpFactor > 2)       // Skip all steps that only need to be done once
+                return;
 
             if (firstFrameFix)
             {
@@ -95,7 +109,11 @@ namespace Flowframes.Main
             {
                 int lastFileNumber = frameFiles.Last().Name.GetInt();
                 lastFileNumber += lastFrameDuration;
-                File.Copy(frameFiles.First().FullName, Path.Combine(frameFiles.First().FullName.GetParentDir(), lastFileNumber + ".png"));
+                string loopFrameTargetPath = Path.Combine(frameFiles.First().FullName.GetParentDir(), lastFileNumber + ".png");
+                if (File.Exists(loopFrameTargetPath))
+                    return;
+                File.Copy(frameFiles.First().FullName, loopFrameTargetPath);
+                //Logger.Log("Copied loop frame to " + loopFrameTargetPath);
             }
         }
     }

Code/OS/OSUtils.cs

@@ -98,16 +98,24 @@ namespace Flowframes.OS
 
         public static bool DriveIsSSD(string path)
         {
-            var detectedDrives = Detector.DetectFixedDrives(QueryType.SeekPenalty);
+            try
-            if (detectedDrives.Count != 0)
             {
-                char pathDriveLetter = (path[0].ToString().ToUpper())[0];
+                var detectedDrives = Detector.DetectFixedDrives(QueryType.SeekPenalty);
-                foreach (var detectedDrive in detectedDrives)
+                if (detectedDrives.Count != 0)
                 {
-                    if (detectedDrive.DriveLetter == pathDriveLetter && detectedDrive.HardwareType.ToString().ToLower().Trim() == "ssd")
+                    char pathDriveLetter = (path[0].ToString().ToUpper())[0];
-                        return true;
+                    foreach (var detectedDrive in detectedDrives)
+                    {
+                        if (detectedDrive.DriveLetter == pathDriveLetter && detectedDrive.HardwareType.ToString().ToLower().Trim() == "ssd")
+                            return true;
+                    }
                 }
             }
+            catch (Exception e)
+            {
+                Logger.Log("Failed to detect drive type: " + e.Message);
+                return true;    // Default to SSD on fail
+            }
             return false;
         }
 
@@ -118,7 +126,14 @@ namespace Flowframes.OS
 
         public static int GetFreeRamMb ()
         {
-            return (int)(new ComputerInfo().AvailablePhysicalMemory / 1048576);
+            try
+            {
+                return (int)(new ComputerInfo().AvailablePhysicalMemory / 1048576);
+            }
+            catch
+            {
+                return 1000;
+            }
         }
     }
 }