internal/thumbnail/generator.go

@@ -234,7 +234,7 @@ func (g *Generator) generateIndividual(ctx context.Context, config Config, durat
 			seconds := int(ts) % 60
 			timeStr := fmt.Sprintf("%02d:%02d:%02d", hours, minutes, seconds)
 
-			drawTextFilter := fmt.Sprintf("scale=%d:%d,drawtext=text='%s':fontcolor=white:fontsize=20:font='DejaVu Sans Mono':box=1:boxcolor=black@0.5:boxborderw=5:x=(w-text_w)/2:y=h-th-10",
+			drawTextFilter := fmt.Sprintf("scale=%d:%d,drawtext=text='%s':fontcolor=white:fontsize=20:box=1:boxcolor=black@0.5:boxborderw=5:x=(w-text_w)/2:y=h-th-10",
 				thumbWidth, thumbHeight, timeStr)
 
 			// Replace scale filter with combined filter
@@ -363,12 +363,12 @@ func (g *Generator) buildMetadataFilter(config Config, duration float64, thumbWi
 	// Create filter that:
 	// 1. Generates contact sheet from selected frames
 	// 2. Creates a blank header area
-	// 3. Draws metadata text on header (using monospace font)
+	// 3. Draws metadata text on header
 	// 4. Stacks header on top of contact sheet
 	filter := fmt.Sprintf(
 		"%s,%s,pad=%d:%d:0:%d:black,"+
-		"drawtext=text='%s':fontcolor=white:fontsize=14:font='DejaVu Sans Mono':x=10:y=10,"+
-		"drawtext=text='%s':fontcolor=white:fontsize=12:font='DejaVu Sans Mono':x=10:y=35",
+		"drawtext=text='%s':fontcolor=white:fontsize=14:x=10:y=10,"+
+		"drawtext=text='%s':fontcolor=white:fontsize=12:x=10:y=35",
 		selectFilter,
 		tileFilter,
 		sheetWidth,

main.go

@@ -9504,16 +9504,12 @@ func buildThumbView(state *appState) fyne.CanvasObject {
 		state.thumbRows = 6 // 4x6 = 24 thumbnails
 	}
 
-	// File label and video preview
+	// File label
 	fileLabel := widget.NewLabel("No file loaded")
 	fileLabel.TextStyle = fyne.TextStyle{Bold: true}
 
-	var videoContainer fyne.CanvasObject
 	if state.thumbFile != nil {
 		fileLabel.SetText(fmt.Sprintf("File: %s", filepath.Base(state.thumbFile.Path)))
-		videoContainer = buildVideoPane(state, fyne.NewSize(640, 360), state.thumbFile, nil)
-	} else {
-		videoContainer = container.NewCenter(widget.NewLabel("No video loaded"))
 	}
 
 	// Load button
@@ -9544,6 +9540,26 @@ func buildThumbView(state *appState) fyne.CanvasObject {
 	})
 	clearBtn.Importance = widget.LowImportance
 
+	// Thumbnail count slider
+	countLabel := widget.NewLabel(fmt.Sprintf("Thumbnail Count: %d", state.thumbCount))
+	countSlider := widget.NewSlider(3, 50)
+	countSlider.Value = float64(state.thumbCount)
+	countSlider.Step = 1
+	countSlider.OnChanged = func(val float64) {
+		state.thumbCount = int(val)
+		countLabel.SetText(fmt.Sprintf("Thumbnail Count: %d", int(val)))
+	}
+
+	// Thumbnail width slider
+	widthLabel := widget.NewLabel(fmt.Sprintf("Thumbnail Width: %d px", state.thumbWidth))
+	widthSlider := widget.NewSlider(160, 640)
+	widthSlider.Value = float64(state.thumbWidth)
+	widthSlider.Step = 32
+	widthSlider.OnChanged = func(val float64) {
+		state.thumbWidth = int(val)
+		widthLabel.SetText(fmt.Sprintf("Thumbnail Width: %d px", int(val)))
+	}
+
 	// Contact sheet checkbox
 	contactSheetCheck := widget.NewCheck("Generate Contact Sheet (single image)", func(checked bool) {
 		state.thumbContactSheet = checked
@@ -9551,10 +9567,9 @@ func buildThumbView(state *appState) fyne.CanvasObject {
 	})
 	contactSheetCheck.Checked = state.thumbContactSheet
 
-	// Conditional settings based on contact sheet mode
-	var settingsOptions fyne.CanvasObject
+	// Contact sheet grid options (only show if contact sheet is enabled)
+	var gridOptions fyne.CanvasObject
 	if state.thumbContactSheet {
-		// Contact sheet mode: show columns and rows
 		colLabel := widget.NewLabel(fmt.Sprintf("Columns: %d", state.thumbColumns))
 		colSlider := widget.NewSlider(2, 12)
 		colSlider.Value = float64(state.thumbColumns)
@@ -9573,47 +9588,16 @@ func buildThumbView(state *appState) fyne.CanvasObject {
 			rowLabel.SetText(fmt.Sprintf("Rows: %d", int(val)))
 		}
 
-		totalThumbs := state.thumbColumns * state.thumbRows
-		totalLabel := widget.NewLabel(fmt.Sprintf("Total thumbnails: %d", totalThumbs))
-		totalLabel.TextStyle = fyne.TextStyle{Italic: true}
-
-		settingsOptions = container.NewVBox(
+		gridOptions = container.NewVBox(
 			widget.NewSeparator(),
 			widget.NewLabel("Contact Sheet Grid:"),
 			colLabel,
 			colSlider,
 			rowLabel,
 			rowSlider,
-			totalLabel,
 		)
 	} else {
-		// Individual thumbnails mode: show count and width
-		countLabel := widget.NewLabel(fmt.Sprintf("Thumbnail Count: %d", state.thumbCount))
-		countSlider := widget.NewSlider(3, 50)
-		countSlider.Value = float64(state.thumbCount)
-		countSlider.Step = 1
-		countSlider.OnChanged = func(val float64) {
-			state.thumbCount = int(val)
-			countLabel.SetText(fmt.Sprintf("Thumbnail Count: %d", int(val)))
-		}
-
-		widthLabel := widget.NewLabel(fmt.Sprintf("Thumbnail Width: %d px", state.thumbWidth))
-		widthSlider := widget.NewSlider(160, 640)
-		widthSlider.Value = float64(state.thumbWidth)
-		widthSlider.Step = 32
-		widthSlider.OnChanged = func(val float64) {
-			state.thumbWidth = int(val)
-			widthLabel.SetText(fmt.Sprintf("Thumbnail Width: %d px", int(val)))
-		}
-
-		settingsOptions = container.NewVBox(
-			widget.NewSeparator(),
-			widget.NewLabel("Individual Thumbnails:"),
-			countLabel,
-			countSlider,
-			widthLabel,
-			widthSlider,
-		)
+		gridOptions = container.NewVBox()
 	}
 
 	// Generate button
@@ -9627,30 +9611,15 @@ func buildThumbView(state *appState) fyne.CanvasObject {
 		state.showThumbView()
 
 		go func() {
-			// Create output directory in same folder as video
-			videoDir := filepath.Dir(state.thumbFile.Path)
-			videoBaseName := strings.TrimSuffix(filepath.Base(state.thumbFile.Path), filepath.Ext(state.thumbFile.Path))
-			outputDir := filepath.Join(videoDir, fmt.Sprintf("%s_thumbnails", videoBaseName))
+			// Create temp directory for thumbnails
+			outputDir := filepath.Join(os.TempDir(), fmt.Sprintf("videotools_thumbs_%d", time.Now().Unix()))
 
 			generator := thumbnail.NewGenerator(platformConfig.FFmpegPath)
-
-			// Configure based on mode
-			var count, width int
-			if state.thumbContactSheet {
-				// Contact sheet: count is determined by grid, use default width
-				count = state.thumbColumns * state.thumbRows
-				width = 320 // Fixed width for contact sheets
-			} else {
-				// Individual thumbnails: use user settings
-				count = state.thumbCount
-				width = state.thumbWidth
-			}
-
 			config := thumbnail.Config{
 				VideoPath:     state.thumbFile.Path,
 				OutputDir:     outputDir,
-				Count:         count,
-				Width:         width,
+				Count:         state.thumbCount,
+				Width:         state.thumbWidth,
 				Format:        "jpg",
 				Quality:       85,
 				ContactSheet:  state.thumbContactSheet,
@@ -9712,30 +9681,24 @@ func buildThumbView(state *appState) fyne.CanvasObject {
 	settingsPanel := container.NewVBox(
 		widget.NewLabel("Settings:"),
 		widget.NewSeparator(),
+		countLabel,
+		countSlider,
+		widthLabel,
+		widthSlider,
+		widget.NewSeparator(),
 		contactSheetCheck,
-		settingsOptions,
+		gridOptions,
 		widget.NewSeparator(),
 		generateBtn,
 	)
 
-	// Main content - split layout with preview on left, settings on right
-	leftColumn := container.NewVBox(
-		videoContainer,
-	)
-
-	rightColumn := container.NewVBox(
-		settingsPanel,
-	)
-
-	mainContent := container.NewHSplit(leftColumn, rightColumn)
-	mainContent.Offset = 0.55 // Give more space to preview
-
+	// Main content
 	content := container.NewBorder(
 		container.NewVBox(instructions, widget.NewSeparator(), fileLabel, container.NewHBox(loadBtn, clearBtn)),
 		nil,
 		nil,
 		nil,
-		mainContent,
+		settingsPanel,
 	)
 
 	return container.NewBorder(topBar, nil, nil, nil, content)