Remove refactoring and HandBrake replacement documentation files
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# Main.go Modularization - Incremental Refactoring Prompt
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## Current State
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**Problem:** main.go is 14,116 lines (420KB) causing:
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- 5+ minute builds on Windows
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- Poor code maintainability
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- Difficult to navigate and modify
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**Goal:** Extract modules into separate files following established patterns
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**Already Extracted:**
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- ✅ `author_module.go` (1,421 lines) - Pattern reference
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- ✅ `subtitles_module.go` (756 lines) - Pattern reference
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- ✅ `inspect_module.go` (292 lines) - Pattern reference
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**Remaining:** 9 modules to extract (~10,000 lines)
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---
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## Extraction Order (Least Important → Most Important)
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Work through these **one module at a time**, testing after each extraction:
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### Phase 1: Simple Modules (Start Here)
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1. **filters_module.go** (~236 lines)
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- Lines: ~13261-13497
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- Functions: `showFiltersView()`, `buildFiltersView()`
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- State fields: `filtersFile`, `filterBrightness`, `filterContrast`, etc.
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- Why first: Simple UI-only, no job execution
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2. **upscale_module.go** (~889 lines + job executor)
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- Lines: ~13498-14387 + job executor at ~4568-5023
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- Functions: `showUpscaleView()`, `buildUpscaleView()`, `executeUpscaleJob()`, AI helpers
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- State fields: All `upscale*` fields (~25 fields)
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- Includes: AI backend detection, model helpers
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3. **thumb_module.go** (~335 lines + job executor)
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- Lines: ~12837-13172 + executeThumbJob at ~4222-4264
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- Functions: `showThumbView()`, `buildThumbView()`, `executeThumbJob()`
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- State fields: `thumbFile`, `thumbCount`, `thumbWidth`, etc.
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### Phase 2: Moderate Complexity
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4. **player_module.go** (~87 lines + playSession ~450 lines)
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- Lines: ~13173-13260 + playSession at ~8929-9329
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- Functions: `showPlayerView()`, `buildPlayerView()`, `stopPlayer()`, entire `playSession` type
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- State fields: `playerFile`, `player`, `playerReady`, `playerVolume`, etc.
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- Types: `playSession`, `playerSurface`, `playSession` methods
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- Note: Includes recent performance improvements
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5. **compare_module.go** (~503 lines + fullscreen)
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- Lines: ~12068-12571 + fullscreen at ~14277-14387
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- Functions: `showCompareView()`, `buildCompareView()`, `buildCompareFullscreenView()`, `showCompareFullscreen()`
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- State fields: `compareFile1`, `compareFile2`, `autoCompare`
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### Phase 3: Complex Infrastructure
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6. **merge_module.go** (~374 lines + job executor)
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- Lines: ~2752-3126 + executeMergeJob at ~3232-3564
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- Functions: `showMergeView()` (inline UI builder), `addMergeToQueue()`, `executeMergeJob()`
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- State fields: `mergeClips`, `mergeFormat`, `mergeOutput`, etc.
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- Types: `mergeClip` struct
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- Note: UI builder is inline, needs extraction to `buildMergeView()`
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7. **benchmark_module.go** (~326 lines)
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- Lines: ~1938-2264 + config persistence at ~700-729
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- Functions: `showBenchmark()`, `showBenchmarkHistory()`, benchmark helpers
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- Types: `benchmarkConfig`, `benchmarkRun`
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8. **queue_module.go** (~scattered functions)
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- Functions: `showQueue()`, `refreshQueueView()`, `jobExecutor()`, `buildFFmpegCommandFromJob()`
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- Lines: Various, needs gathering
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### Phase 4: Most Critical (Do Last)
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9. **convert_module.go** (~6,384 lines - THE BIG ONE)
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- Lines: ~5683-12067
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- Functions: 50+ functions including `buildConvertView()`, `showConvertView()`, all convert helpers
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- State fields: All `convert*` fields, `source`, `loadedVideos`, etc.
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- Types: `convertConfig`, `formatOption`
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- Shared components: `buildMetadataPanel()`, `buildVideoPane()` (used by other modules)
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- May need to split into multiple files if > 3000 lines
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---
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## Instructions for Each Module Extraction
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### Step-by-Step Process
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For each module (do ONE at a time):
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#### 1. Create the Module File
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**File:** `{module}_module.go` (e.g., `filters_module.go`)
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**Template:**
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```go
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package main
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import (
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// Copy imports from main.go that this module needs
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"fyne.io/fyne/v2"
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"fyne.io/fyne/v2/container"
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// ... etc
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)
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// Move the show{Module}View() method here
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func (s *appState) show{Module}View() {
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s.stopPreview()
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s.lastModule = s.active
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s.active = "{module}"
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s.setContent(build{Module}View(s))
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}
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// Move the build{Module}View() function here
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func build{Module}View(state *appState) fyne.CanvasObject {
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// ... entire function body ...
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}
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// Move any helper functions specific to this module
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// Move any job executor functions (execute{Module}Job)
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```
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#### 2. Remove from main.go
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Delete the exact same functions you just moved. Use line numbers as guide.
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**IMPORTANT:** Do NOT remove:
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- Shared functions used by multiple modules (e.g., `moduleColor()`, `probeVideo()`)
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- State fields in `appState` struct (leave all state in main.go)
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- Type definitions used across modules
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#### 3. Build and Test
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```bash
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# Must succeed
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go build -o VideoTools .
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# Check line count reduction
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wc -l main.go {module}_module.go
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# Test the module works
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./VideoTools # Navigate to the module and test basic functionality
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```
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#### 4. Commit
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```bash
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git add {module}_module.go main.go
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git commit -m "Extract {module} module from main.go
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- Create {module}_module.go (XXX lines)
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- Move show{Module}View() and build{Module}View()
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- Reduce main.go by XXX lines
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- All tests pass, module functions correctly
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"
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```
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#### 5. Move to Next Module
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Repeat the process for the next module in the order above.
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---
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## Reference Patterns
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Look at these existing extracted modules for the pattern:
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### Pattern 1: Simple Module (inspect_module.go)
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```go
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package main
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import (
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// Necessary imports
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)
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func (s *appState) showInspectView() {
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s.stopPreview()
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s.lastModule = s.active
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s.active = "inspect"
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s.setContent(buildInspectView(s))
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}
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func buildInspectView(state *appState) fyne.CanvasObject {
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// UI building code
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}
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```
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### Pattern 2: Module with Job Executor (subtitles_module.go)
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```go
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package main
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import (
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// Necessary imports
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)
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func (s *appState) showSubtitlesView() {
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// ...
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}
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func buildSubtitlesView(state *appState) fyne.CanvasObject {
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// ...
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}
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func (s *appState) executeSubtitlesJob(ctx context.Context, job *queue.Job, progressCallback func(float64)) error {
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// Job execution logic
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}
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// Helper functions specific to subtitles
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```
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### Pattern 3: Module with Types (author_module.go)
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```go
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package main
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import (
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// ...
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)
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// Types specific to this module
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type authorClip struct {
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// ...
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}
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func (s *appState) showAuthorView() {
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// ...
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}
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// Many helper functions specific to author module
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```
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---
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## What Stays in main.go
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**DO NOT MOVE these to module files:**
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### Core Application
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- `main()` function
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- `runGUI()` function
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- `type appState struct` definition (all fields stay)
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- Window setup and initialization
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### Shared Utilities (Used by 3+ modules)
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- `moduleColor()` - Color scheme helper
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- `moduleFooter()` - Footer bar builder
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- `statusStrip()` - Status bar
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- `probeVideo()` - Video file analysis (CRITICAL - used everywhere)
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- `buildMetadataPanel()` - Used by convert and other modules
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- `buildVideoPane()` - Video preview pane (used by many modules)
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- `formatBitrate()`, `formatClock()`, etc. - Format helpers
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### Navigation & State
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- `showMainMenu()` - Main menu builder
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- `setContent()` - Content switcher
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- History sidebar code
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- Stats bar updates
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- Drop handlers
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### Shared Types
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- `videoSource` type and methods
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- Shared constants and enums
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---
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## Special Cases & Gotchas
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### Convert Module (Do Last!)
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The convert module is massive and may need splitting:
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**Option A: Single File** (if < 3000 lines after extraction)
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- `convert_module.go`
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**Option B: Split into Multiple Files** (if > 3000 lines)
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- `convert_module.go` - Main UI and show function
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- `convert_config.go` - Configuration types and persistence
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- `convert_job.go` - Job execution logic
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- `convert_helpers.go` - Codec/format helpers
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**Shared Components:**
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- `buildMetadataPanel()` and `buildVideoPane()` might need to move to `shared_ui.go` if used by many modules
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### Merge Module Inline UI
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The merge module has UI building inline in `showMergeView()`. You'll need to:
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1. Extract inline UI to `buildMergeView()` function
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2. Then follow standard pattern
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### Player Module with playSession
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The `playSession` type and all its methods should move to `player_module.go` together.
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### Import Adjustments
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Some modules might need internal package imports that aren't in main.go:
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- Check for missing imports after extraction
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- Run `go build` to catch import errors
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- Add necessary imports to the module file
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---
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## Success Criteria for Each Extraction
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Before moving to next module, verify:
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- ✅ `go build` succeeds with no errors
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- ✅ Module file has clear structure (show function, build function, helpers)
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- ✅ main.go reduced by expected lines
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- ✅ Module works when tested in GUI
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- ✅ No duplicate code between main.go and module file
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- ✅ Git commit created with clear message
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- ✅ Can navigate to module and use basic features
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---
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## Tracking Progress
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After each extraction, update this checklist:
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- [ ] 1. filters_module.go (~236 lines)
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- [ ] 2. upscale_module.go (~1200 lines)
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- [ ] 3. thumb_module.go (~400 lines)
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- [ ] 4. player_module.go (~800 lines)
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- [ ] 5. compare_module.go (~550 lines)
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- [ ] 6. merge_module.go (~700 lines)
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- [ ] 7. benchmark_module.go (~400 lines)
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- [ ] 8. queue_module.go (~500 lines)
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- [ ] 9. convert_module.go (~6400 lines - may split)
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**Target:** main.go from 14,116 lines → ~4,000 lines
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---
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## Expected Timeline
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- **Simple modules (1-3):** 20-30 min each
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- **Moderate modules (4-5):** 30-45 min each
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- **Complex modules (6-8):** 45-60 min each
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- **Convert module (9):** 2-3 hours (largest, most critical)
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**Total:** ~8-12 hours of incremental work
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---
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## Final Build Performance Goal
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After all extractions:
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**Before:**
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- main.go: 14,329 lines (426KB)
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- Build time (Windows): 5+ minutes
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**After:**
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- main.go: ~4,000 lines (~120KB)
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- Module files: 10-12 files (~800-1500 lines each)
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- Build time (Windows): < 2 minutes (hopefully < 1 minute)
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---
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## Questions to Ask If Stuck
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1. **"Does this function use state from multiple modules?"**
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- Yes → Keep in main.go
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- No → Move to module file
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2. **"Is this function called by 3+ different modules?"**
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- Yes → Keep in main.go as shared utility
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- No → Move to the module that uses it
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3. **"Is this a type used across modules?"**
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- Yes → Keep type definition in main.go
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- No → Move to module file
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4. **"Where are the line numbers for this module?"**
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- Check this document's module listing
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- Use grep to find function: `grep -n "func buildXView" main.go`
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---
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## Emergency Rollback
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If an extraction breaks the build:
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```bash
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# Restore main.go from backup
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git checkout HEAD -- main.go
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# Remove the broken module file
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rm {module}_module.go
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# Try again with more care
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```
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---
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## Start Here
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**First module to extract:** `filters_module.go`
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1. Find lines ~13261-13497 in main.go
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2. Create `filters_module.go`
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3. Copy `showFiltersView()` and `buildFiltersView()`
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4. Remove from main.go
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5. Build, test, commit
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6. Move to next module
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Good luck! Take it one module at a time, test after each extraction, and the convert module will be much easier once you've established the pattern with the simpler modules.
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@ -1,197 +0,0 @@
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# VideoTools: Modern Video Processing Strategy
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## 🎯 Project Vision
|
|
||||||
|
|
||||||
VideoTools provides a **modern approach to video processing** with enhanced capabilities while maintaining simplicity and focusing on core video processing workflows.
|
|
||||||
|
|
||||||
## 📊 Modern Video Processing Features
|
|
||||||
|
|
||||||
### ✅ Core Video Processing Features (VideoTools Status)
|
|
||||||
| Feature | VideoTools Status | Notes |
|
|
||||||
|---------|-------------------|---------|
|
|
||||||
| Video transcoding | ✅ IMPLEMENTED | Enhanced with DVD/Blu-ray presets |
|
|
||||||
| Queue system | ✅ IMPLEMENTED | Advanced with job reordering and prioritization |
|
|
||||||
| Preset management | 🔄 PARTIAL | Basic presets, needs modern device profiles |
|
|
||||||
| Chapter support | 🔄 PLANNED | Auto-chapter creation in trim/merge modules |
|
|
||||||
| Multi-title support | 🔄 PLANNED | For DVD/Blu-ray sources |
|
|
||||||
| Subtitle support | 🔄 PLANNED | Advanced subtitle handling and styling |
|
|
||||||
| Audio track management | 🔄 PLANNED | Multi-track selection and processing |
|
|
||||||
| Quality control | ✅ IMPLEMENTED | Enhanced with size targets and validation |
|
|
||||||
| Device profiles | 🔄 PLANNED | Modern device optimization |
|
|
||||||
|
|
||||||
### 🚀 VideoTools Modern Advantages
|
|
||||||
| Feature | Traditional Tools | VideoTools | Advantage |
|
|
||||||
|---------|------------------|-------------|-----------|
|
|
||||||
| **Modern Architecture** | Monolithic | Modular | Extensible, maintainable |
|
|
||||||
| **Cross-Platform** | Limited | Full support | Linux, Windows parity |
|
|
||||||
| **AI Upscaling** | None | Planned | Next-gen enhancement |
|
|
||||||
| **Smart Chapters** | Manual | Auto-generation | Intelligent workflow |
|
|
||||||
| **Advanced Queue** | Basic | Enhanced | Better batch processing |
|
|
||||||
| **Lossless-Cut Style** | No | Planned | Frame-accurate trimming |
|
|
||||||
| **Blu-ray Authoring** | No | Planned | Professional workflows |
|
|
||||||
| **VT_Player Integration** | No | Planned | Unified ecosystem |
|
|
||||||
|
|
||||||
## 🎯 Core HandBrake Replacement Features
|
|
||||||
|
|
||||||
### 1. **Enhanced Convert Module** (Core Replacement)
|
|
||||||
```go
|
|
||||||
// HandBrake-equivalent transcoding with modern enhancements
|
|
||||||
type ConvertConfig struct {
|
|
||||||
// HandBrake parity features
|
|
||||||
VideoCodec string // H.264, H.265, AV1
|
|
||||||
AudioCodec string // AAC, AC3, Opus, FLAC
|
|
||||||
Quality Quality // CRF, bitrate, 2-pass
|
|
||||||
Preset string // Fast, Balanced, HQ, Archive
|
|
||||||
|
|
||||||
// VideoTools enhancements
|
|
||||||
DeviceProfile string // iPhone, Android, TV, Gaming
|
|
||||||
ContentAware bool // Auto-optimize for content type
|
|
||||||
SmartBitrate bool // Size-target encoding
|
|
||||||
AIUpscale bool // AI enhancement when upscaling
|
|
||||||
}
|
|
||||||
```
|
|
||||||
|
|
||||||
### 2. **Professional Preset System** (Enhanced)
|
|
||||||
```go
|
|
||||||
// Modern device and platform presets
|
|
||||||
type PresetCategory string
|
|
||||||
const (
|
|
||||||
PresetDevices PresetCategory = "devices" // iPhone, Android, TV
|
|
||||||
PresetPlatforms PresetCategory = "platforms" // YouTube, TikTok, Instagram
|
|
||||||
PresetQuality PresetCategory = "quality" // Fast, Balanced, HQ
|
|
||||||
PresetArchive PresetCategory = "archive" // Long-term preservation
|
|
||||||
)
|
|
||||||
|
|
||||||
// HandBrake-compatible + modern presets
|
|
||||||
- iPhone 15 Pro Max
|
|
||||||
- Samsung Galaxy S24
|
|
||||||
- PlayStation 5
|
|
||||||
- YouTube 4K HDR
|
|
||||||
- TikTok Vertical
|
|
||||||
- Instagram Reels
|
|
||||||
- Netflix 4K Profile
|
|
||||||
- Archive Master Quality
|
|
||||||
```
|
|
||||||
|
|
||||||
### 3. **Advanced Queue System** (Enhanced)
|
|
||||||
```go
|
|
||||||
// HandBrake queue with modern features
|
|
||||||
type QueueJob struct {
|
|
||||||
// HandBrake parity
|
|
||||||
Source string
|
|
||||||
Destination string
|
|
||||||
Settings ConvertConfig
|
|
||||||
Status JobStatus
|
|
||||||
|
|
||||||
// VideoTools enhancements
|
|
||||||
Priority int // Job prioritization
|
|
||||||
Dependencies []int // Job dependencies
|
|
||||||
RetryCount int // Smart retry logic
|
|
||||||
ETA time.Duration // Accurate time estimation
|
|
||||||
}
|
|
||||||
```
|
|
||||||
|
|
||||||
### 4. **Smart Title Selection** (Enhanced)
|
|
||||||
```go
|
|
||||||
// Enhanced title detection for multi-title sources
|
|
||||||
type TitleInfo struct {
|
|
||||||
ID int
|
|
||||||
Duration time.Duration
|
|
||||||
Resolution string
|
|
||||||
AudioTracks []AudioTrack
|
|
||||||
Subtitles []SubtitleTrack
|
|
||||||
Chapters []Chapter
|
|
||||||
Quality QualityMetrics
|
|
||||||
Recommended bool // AI-based recommendation
|
|
||||||
}
|
|
||||||
|
|
||||||
// Sources: DVD, Blu-ray, multi-title MKV
|
|
||||||
```
|
|
||||||
|
|
||||||
## 🔄 User Experience Strategy
|
|
||||||
|
|
||||||
### **Modern Video Processing Experience**
|
|
||||||
- **Intuitive Interface** - Clean, focused layout for common workflows
|
|
||||||
- **Smart Presets** - Content-aware and device-optimized settings
|
|
||||||
- **Efficient Queue** - Advanced batch processing with job management
|
|
||||||
- **Professional Workflows** - DVD/Blu-ray authoring, multi-format output
|
|
||||||
|
|
||||||
### **Enhanced Processing Capabilities**
|
|
||||||
- **Smart Defaults** - Content-aware optimization for better results
|
|
||||||
- **Hardware Acceleration** - GPU utilization across all platforms
|
|
||||||
- **Modern Codecs** - AV1, HEVC, VP9 with professional profiles
|
|
||||||
- **AI Features** - Intelligent upscaling and quality enhancement
|
|
||||||
|
|
||||||
## 📋 Implementation Priority
|
|
||||||
|
|
||||||
### **Phase 1: Core Modern Features** (6-8 weeks)
|
|
||||||
1. **Enhanced Convert Module** - Modern transcoding with smart optimization
|
|
||||||
2. **Professional Presets** - Device and platform-specific profiles
|
|
||||||
3. **Advanced Queue System** - Intelligent batch processing with prioritization
|
|
||||||
4. **Multi-Title Support** - DVD/Blu-ray source handling
|
|
||||||
|
|
||||||
### **Phase 2: Enhanced Workflows** (4-6 weeks)
|
|
||||||
5. **Smart Chapter System** - Auto-generation in trim/merge modules
|
|
||||||
6. **Advanced Audio Processing** - Multi-track management and conversion
|
|
||||||
7. **Comprehensive Subtitle System** - Advanced subtitle handling and styling
|
|
||||||
8. **Quality Control Tools** - Size targets and validation systems
|
|
||||||
|
|
||||||
### **Phase 3: Next-Generation Features** (6-8 weeks)
|
|
||||||
9. **AI-Powered Upscaling** - Modern enhancement and upscaling
|
|
||||||
10. **VT_Player Integration** - Unified playback and processing ecosystem
|
|
||||||
11. **Professional Blu-ray Authoring** - Complete Blu-ray workflow support
|
|
||||||
12. **Content-Aware Processing** - Intelligent optimization based on content analysis
|
|
||||||
|
|
||||||
## 🎯 Key Differentiators
|
|
||||||
|
|
||||||
### **Technical Advantages**
|
|
||||||
- **Modern Codebase** - Go language for better maintainability and performance
|
|
||||||
- **Modular Architecture** - Extensible design for future enhancements
|
|
||||||
- **Cross-Platform** - Native support on Linux and Windows
|
|
||||||
- **Hardware Acceleration** - Optimized GPU utilization across platforms
|
|
||||||
- **AI Integration** - Next-generation enhancement capabilities
|
|
||||||
|
|
||||||
### **User Experience**
|
|
||||||
- **Intuitive Interface** - Focused design for common video workflows
|
|
||||||
- **Smart Defaults** - Content-aware settings for excellent results
|
|
||||||
- **Optimized Performance** - Efficient encoding pipelines and processing
|
|
||||||
- **Real-time Feedback** - Quality metrics and progress indicators
|
|
||||||
- **Unified Ecosystem** - Integrated VT_Player for seamless workflow
|
|
||||||
|
|
||||||
### **Professional Features**
|
|
||||||
- **Broadcast Quality** - Professional standards compliance and validation
|
|
||||||
- **Advanced Workflows** - Complete DVD and Blu-ray authoring capabilities
|
|
||||||
- **Intelligent Batch Processing** - Advanced queue system with job management
|
|
||||||
- **Quality Assurance** - Built-in validation and testing tools
|
|
||||||
|
|
||||||
## 📊 Success Metrics
|
|
||||||
|
|
||||||
### **Modern Video Processing Goals**
|
|
||||||
- ✅ **Complete Feature Set** - Comprehensive video processing capabilities
|
|
||||||
- ✅ **50% Faster Encoding** - Optimized hardware utilization
|
|
||||||
- ✅ **30% Better Quality** - Smart optimization algorithms
|
|
||||||
- ✅ **Cross-Platform** - Native Linux/Windows support
|
|
||||||
|
|
||||||
### **Market Positioning**
|
|
||||||
- **Modern Video Suite** - Next-generation architecture and features
|
|
||||||
- **Professional Tool** - Beyond consumer-level capabilities
|
|
||||||
- **Intuitive Processing** - Smart defaults and user-friendly workflows
|
|
||||||
- **Ecosystem Solution** - Integrated VT_Player for seamless experience
|
|
||||||
|
|
||||||
## 🚀 User Experience Strategy
|
|
||||||
|
|
||||||
### **Launch Positioning**
|
|
||||||
- **"Modern Video Processing"** - Next-generation approach to video tools
|
|
||||||
- **"AI-Powered Enhancement"** - Intelligent upscaling and optimization
|
|
||||||
- **"Professional Video Suite"** - Comprehensive processing capabilities
|
|
||||||
- **"Cross-Platform Solution"** - Native support everywhere
|
|
||||||
|
|
||||||
### **User Onboarding**
|
|
||||||
- **Intuitive Interface** - Familiar workflows with modern enhancements
|
|
||||||
- **Smart Presets** - Content-aware settings for excellent results
|
|
||||||
- **Tutorial Integration** - Built-in guidance for advanced features
|
|
||||||
- **Workflow Examples** - Show common use cases and best practices
|
|
||||||
|
|
||||||
---
|
|
||||||
|
|
||||||
This strategy positions VideoTools as a **direct HandBrake replacement** while adding significant modern advantages and professional capabilities.
|
|
||||||
Loading…
Reference in New Issue
Block a user