Normalize bitrate preset default to 2.5 Mbps

DONE.md

@@ -828,6 +828,7 @@ This file tracks completed features, fixes, and milestones.
 - ✅ Removed CRF visibility toggle from quality updates to prevent CBR/VBR bleed-through
 - ✅ Added CRF preset dropdown with Manual option
 - ✅ Added 0.5/1.0 Mbps bitrate presets and simplified preset names
+- ✅ Default bitrate preset normalized to 2.5 Mbps to avoid "select one"
 - ✅ Stabilized video seeking and embedded rendering
 - ✅ Improved player window positioning
 - ✅ Fixed clear video functionality

TODO.md

@@ -61,6 +61,7 @@ This file tracks upcoming features, improvements, and known issues.
   - CRF visibility no longer overridden by quality updates
   - CRF preset dropdown added with Manual option
   - Bitrate presets expanded to include 0.5/1.0 Mbps and renamed for clarity
+  - Default bitrate preset normalized to 2.5 Mbps to prevent empty select
 
 *Last Updated: 2025-12-20*
 

main.go

@@ -6091,6 +6091,31 @@ func buildConvertView(state *appState, src *videoSource) fyne.CanvasObject {
 		bitratePresetLabels = append(bitratePresetLabels, p.Label)
 	}
 
+	normalizePresetLabel := func(label string) string {
+		switch label {
+		case "2.5 Mbps - Medium Quality":
+			return "2.5 Mbps - Medium"
+		case "2.0 Mbps - Medium-Low Quality":
+			return "2.0 Mbps - Medium-Low"
+		case "1.5 Mbps - Low Quality":
+			return "1.5 Mbps - Low"
+		case "4.0 Mbps - Good Quality":
+			return "4.0 Mbps - Good"
+		case "6.0 Mbps - High Quality":
+			return "6.0 Mbps - High"
+		case "8.0 Mbps - Very High Quality":
+			return "8.0 Mbps - Very High"
+		case "0.5 Mbps - Ultra Low":
+			return label
+		case "1.0 Mbps - Very Low":
+			return label
+		case "Manual":
+			return "Manual"
+		default:
+			return label
+		}
+	}
+
 	var applyBitratePreset func(string)
 
 	bitratePresetSelect = widget.NewSelect(bitratePresetLabels, func(value string) {
@@ -6098,8 +6123,9 @@ func buildConvertView(state *appState, src *videoSource) fyne.CanvasObject {
 			applyBitratePreset(value)
 		}
 	})
+	state.convert.BitratePreset = normalizePresetLabel(state.convert.BitratePreset)
 	if state.convert.BitratePreset == "" || bitratePresetLookup[state.convert.BitratePreset].Label == "" {
-		state.convert.BitratePreset = "2.5 Mbps - Medium Quality"
+		state.convert.BitratePreset = "2.5 Mbps - Medium"
 	}
 	bitratePresetSelect.SetSelected(state.convert.BitratePreset)