VT_Player/TODO.md
Stu 18a14c6020 Refactor to modular architecture with rainbow UI (v0.1.0-dev8)
Major refactoring to improve code organization and enhance UI:

Architecture:
- Split monolithic main.go into modular internal/ package structure
- Created internal/logging for centralized logging system
- Created internal/modules for module handler functions
- Created internal/ui for UI components and layouts
- Created internal/utils for shared utility functions

UI Enhancements:
- Implemented rainbow gradient across 8 module buttons (violet→red)
- Increased module button text size to 20 for better readability
- Fixed text centering on module tiles
- Converted Simple/Advanced mode toggle to tabs to save vertical space
- Added vertical scrollbars to prevent UI overflow
- Added metadata copy button (📋) to copy all metadata to clipboard

Video Processing:
- Fixed aspect ratio conversion to default to center-crop behavior
- Added 6 aspect handling modes: Auto, Crop, Letterbox, Pillarbox, Blur Fill, Stretch
- Fixed blur fill to maintain source resolution with padding (no scaling)
- Ensured all FFmpeg filters produce even-numbered dimensions for H.264

Known Issues:
- WMV files still produce FFmpeg error 234 during aspect conversions
  (requires codec-specific handling in future update)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-23 14:56:37 -05:00

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# VideoTools TODO
This file tracks upcoming features, improvements, and known issues.
## Critical Issues
### Build System
- [ ] **Fix GCC 15.2.1 CGO compilation hang** - Current builds hang during OpenGL/CGO compilation
- Investigate GCC version compatibility
- Test with older GCC versions
- Consider Docker build environment
- Document workaround for development builds
## Core Features
### Persistent Video Context
- [ ] Implement video info bar UI component
- [ ] Add "Clear Video" button globally accessible
- [ ] Update all modules to check for `state.source`
- [ ] Add "Use Different Video" option in modules
- [ ] Implement auto-clear preferences
- [ ] Add recent files tracking and dropdown menu
- [ ] Test video persistence across module switches
### Convert Module Completion
- [ ] Add hardware acceleration UI controls (NVENC, QSV, VAAPI)
- [ ] Implement two-pass encoding mode
- [ ] Add bitrate-based encoding option (not just CRF)
- [ ] Implement custom FFmpeg arguments field
- [ ] Add preset save/load functionality
- [ ] Add batch conversion queue
- [ ] Estimated file size calculator
- [ ] Preview/comparison mode
- [ ] Audio-only output option
- [ ] Add more codec options (AV1, VP9)
### Merge Module (Not Started)
- [ ] Design UI layout
- [ ] Implement file list/order management
- [ ] Add drag-and-drop reordering
- [ ] Preview transitions
- [ ] Handle mixed formats/resolutions
- [ ] Audio normalization across clips
- [ ] Transition effects (optional)
- [ ] Chapter markers at join points
### Trim Module (Not Started)
- [ ] Design UI with timeline
- [ ] Implement frame-accurate seeking
- [ ] Visual timeline with preview thumbnails
- [ ] Multiple trim ranges selection
- [ ] Chapter-based splitting
- [ ] Smart copy mode (no re-encode)
- [ ] Batch trim operations
- [ ] Keyboard shortcuts for marking in/out points
### Filters Module (Not Started)
- [ ] Design filter selection UI
- [ ] Implement color correction filters
- [ ] Brightness/Contrast
- [ ] Saturation/Hue
- [ ] Color balance
- [ ] Curves/Levels
- [ ] Implement enhancement filters
- [ ] Sharpen/Blur
- [ ] Denoise
- [ ] Deband
- [ ] Implement creative filters
- [ ] Grayscale/Sepia
- [ ] Vignette
- [ ] Speed adjustment
- [ ] Rotation/Flip
- [ ] Implement stabilization
- [ ] Add real-time preview
- [ ] Filter presets
- [ ] Custom filter chains
### Upscale Module (Not Started)
- [ ] Design UI for upscaling
- [ ] Implement traditional scaling (Lanczos, Bicubic)
- [ ] Integrate Waifu2x (if feasible)
- [ ] Integrate Real-ESRGAN (if feasible)
- [ ] Add resolution presets
- [ ] Quality vs. speed slider
- [ ] Before/after comparison
- [ ] Batch upscaling
### Audio Module (Not Started)
- [ ] Design audio extraction UI
- [ ] Implement audio track extraction
- [ ] Audio track replacement/addition
- [ ] Multi-track management
- [ ] Volume normalization
- [ ] Audio delay correction
- [ ] Format conversion
- [ ] Channel mapping
- [ ] Audio-only operations
### Thumb Module (Not Started)
- [ ] Design thumbnail generation UI
- [ ] Single thumbnail extraction
- [ ] Grid/contact sheet generation
- [ ] Customizable layouts
- [ ] Scene detection
- [ ] Animated thumbnails
- [ ] Batch processing
- [ ] Template system
### Inspect Module (Partial)
- [ ] Enhanced metadata display
- [ ] Stream information viewer
- [ ] Chapter viewer/editor
- [ ] Cover art viewer/extractor
- [ ] HDR metadata display
- [ ] Export reports (text/JSON)
- [ ] MediaInfo integration
- [ ] Comparison mode (before/after conversion)
### Rip Module (Not Started)
- [ ] Design disc ripping UI
- [ ] DVD drive detection and scanning
- [ ] Blu-ray drive support
- [ ] ISO file loading
- [ ] Title selection interface
- [ ] Track management (audio/subtitle)
- [ ] libdvdcss integration
- [ ] libaacs integration
- [ ] Batch ripping
- [ ] Metadata lookup integration
## Additional Modules
### Subtitle Module (Proposed)
- [ ] Requirements analysis
- [ ] UI design
- [ ] Extract subtitle tracks
- [ ] Add/replace subtitles
- [ ] Burn subtitles into video
- [ ] Format conversion
- [ ] Timing adjustment
- [ ] Multi-language support
### Streams Module (Proposed)
- [ ] Requirements analysis
- [ ] UI design
- [ ] Stream viewer/inspector
- [ ] Stream selection/removal
- [ ] Stream reordering
- [ ] Map streams to outputs
- [ ] Default flag management
### GIF Module (Proposed)
- [ ] Requirements analysis
- [ ] UI design
- [ ] Video segment to GIF
- [ ] Palette optimization
- [ ] Frame rate control
- [ ] Loop settings
- [ ] Dithering options
- [ ] Preview before export
### Crop Module (Proposed)
- [ ] Requirements analysis
- [ ] UI design
- [ ] Visual crop selector
- [ ] Auto-detect black bars
- [ ] Aspect ratio presets
- [ ] Preview with crop overlay
- [ ] Batch crop with presets
### Screenshots Module (Proposed)
- [ ] Requirements analysis
- [ ] UI design
- [ ] Single frame extraction
- [ ] Burst capture
- [ ] Scene-based capture
- [ ] Format options
- [ ] Batch processing
## UI/UX Improvements
### General Interface
- [ ] Keyboard shortcuts system
- [ ] Drag-and-drop file loading
- [ ] Dark/light theme toggle
- [ ] Custom color schemes
- [ ] Window size/position persistence
- [ ] Multi-window support
- [ ] Responsive layout improvements
### Media Player
- [ ] Enhanced playback controls
- [ ] Frame-by-frame navigation
- [ ] Playback speed control
- [ ] A-B repeat loop
- [ ] Snapshot/screenshot button
- [ ] Audio waveform display
- [ ] Subtitle display during playback
### Queue/Batch System
- [ ] Global job queue
- [ ] Priority management
- [ ] Pause/resume individual jobs
- [ ] Parallel processing option
- [ ] Queue persistence
- [ ] Estimated completion time
- [ ] Job history
### Settings/Preferences
- [ ] Settings dialog
- [ ] Default output directory
- [ ] FFmpeg path configuration
- [ ] Hardware acceleration preferences
- [ ] Auto-clear video behavior
- [ ] Preview quality settings
- [ ] Logging verbosity
- [ ] Update checking
## Performance & Optimization
- [ ] Optimize preview frame generation
- [ ] Cache metadata for recently opened files
- [ ] Implement progressive loading for large files
- [ ] Add GPU acceleration detection
- [ ] Optimize memory usage for long videos
- [ ] Background processing improvements
- [ ] FFmpeg process management enhancements
## Testing & Quality
- [ ] Unit tests for core functions
- [ ] Integration tests for FFmpeg commands
- [ ] UI automation tests
- [ ] Test suite for different video formats
- [ ] Regression tests
- [ ] Performance benchmarks
- [ ] Error handling improvements
- [ ] Logging system enhancements
## Documentation
### User Documentation
- [ ] Complete README.md for all modules
- [ ] Getting Started guide
- [ ] Installation instructions (Windows, macOS, Linux)
- [ ] Keyboard shortcuts reference
- [ ] Workflow examples
- [ ] FAQ section
- [ ] Troubleshooting guide
- [ ] Video tutorials (consider for future)
### Developer Documentation
- [ ] Architecture overview
- [ ] Code structure documentation
- [ ] FFmpeg integration guide
- [ ] Contributing guidelines
- [ ] Build instructions for all platforms
- [ ] Release process documentation
- [ ] API documentation (if applicable)
## Packaging & Distribution
- [ ] Create installers for Windows (.exe/.msi)
- [ ] Create macOS app bundle (.dmg)
- [ ] Create Linux packages (.deb, .rpm, AppImage)
- [ ] Set up CI/CD pipeline
- [ ] Automatic builds for releases
- [ ] Code signing (Windows/macOS)
- [ ] Update mechanism
- [ ] Crash reporting system
## Future Considerations
- [ ] Plugin system for extending functionality
- [ ] Scripting/automation support
- [ ] Command-line interface mode
- [ ] Web-based remote control
- [ ] Cloud storage integration
- [ ] Collaborative features
- [ ] AI-powered scene detection
- [ ] AI-powered quality enhancement
- [ ] Streaming output support
- [ ] Live input support (webcam, capture card)
## Known Issues
- **Build hangs on GCC 15.2.1** - CGO compilation freezes during OpenGL binding compilation
- No Windows/macOS builds tested yet
- Limited error messages for FFmpeg failures
- No progress indication during metadata parsing
- Preview frames not cleaned up on crash
## Research Needed
- [ ] Best practices for FFmpeg filter chain optimization
- [ ] GPU acceleration capabilities across platforms
- [ ] AI upscaling integration options
- [ ] Disc copy protection legal landscape
- [ ] Cross-platform video codecs support
- [ ] HDR/Dolby Vision handling