Update VT Player done/todo docs

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# VideoTools - Completed Features
# VT Player Completed Items
This file tracks completed features, fixes, and milestones.
## Version 0.1.0-dev13 (In Progress - 2025-12-03)
### Features
- ✅ **Automatic Black Bar Detection and Cropping**
- Detects and removes black bars to reduce file size (15-30% typical reduction)
- One-click "Detect Crop" button analyzes video using FFmpeg cropdetect
- Samples 10 seconds from middle of video for stable detection
- Shows estimated file size reduction percentage before applying
- User confirmation dialog displays before/after dimensions
- Manual crop override capability (width, height, X/Y offsets)
- Applied before scaling for optimal results
- Works in both direct convert and queue job execution
- Proper handling for videos without black bars
- 30-second timeout protection for detection process
- ✅ **Frame Rate Conversion UI with Size Estimates**
- Comprehensive frame rate options: Source, 23.976, 24, 25, 29.97, 30, 50, 59.94, 60
- Intelligent file size reduction estimates (40-50% for 60→30 fps)
- Real-time hints showing "Converting X → Y fps: ~Z% smaller file"
- Warning for upscaling attempts with judder notice
- Automatic calculation based on source and target frame rates
- Dynamic updates when video or frame rate changes
- Supports both film (24 fps) and broadcast standards (25/29.97/30)
- Uses FFmpeg fps filter for frame rate conversion
- ✅ **Encoder Preset Descriptions with Speed/Quality Trade-offs**
- Detailed information for all 9 preset options
- Speed comparisons relative to "slow" and "medium" baselines
- File size impact percentages for each preset
- Visual icons indicating speed categories (⚡⏩⚖️🎯🐌)
- Recommends "slow" as best quality/size ratio
- Dynamic hint updates when preset changes
- Helps users make informed encoding time decisions
- Ranges from ultrafast (~10x faster, ~30% larger) to veryslow (~5x slower, ~15-20% smaller)
- ✅ **Compare Module**
- Side-by-side video comparison interface
- Load two videos and compare detailed metadata
- Displays format, resolution, codecs, bitrates, frame rate, pixel format
- Shows color space, color range, GOP size, field order
- Indicates presence of chapters and metadata
- Accessible via GUI button (pink color) or CLI: `videotools compare <file1> <file2>`
- Added formatBitrate() helper function for consistent bitrate display
- ✅ **Target File Size Encoding Mode**
- New "Target Size" bitrate mode in convert module
- Specify desired output file size (e.g., "25MB", "100MB", "8MB")
- Automatically calculates required video bitrate based on:
- Target file size
- Video duration
- Audio bitrate
- Container overhead (3% reserved)
- Implemented ParseFileSize() to parse size strings (KB, MB, GB)
- Implemented CalculateBitrateForTargetSize() for bitrate calculation
- Works in both GUI convert view and job queue execution
- Minimum bitrate sanity check (100 kbps) to prevent invalid outputs
### Technical Improvements
- ✅ Added compare command to CLI help text
- ✅ Consistent "Target Size" naming throughout UI and code
- ✅ Added compareFile1 and compareFile2 to appState for video comparison
- ✅ Module button grid updated with compare button (pink/magenta color)
## Version 0.1.0-dev12 (2025-12-02)
### Features
- ✅ **Automatic hardware encoder detection and selection**
- Prioritizes NVIDIA NVENC > Intel QSV > VA-API > OpenH264
- Falls back to software encoders (libx264/libx265) if no hardware acceleration available
- Automatically uses best available encoder without user configuration
- Significant performance improvement on systems with GPU encoding support
- ✅ **iPhone/mobile device compatibility settings**
- H.264 profile selection (baseline, main, high)
- H.264 level selection (3.0, 3.1, 4.0, 4.1, 5.0, 5.1)
- Defaults to main profile, level 4.0 for maximum compatibility
- Ensures videos play on iPhone 4 and newer devices
- ✅ **Advanced deinterlacing with dual methods**
- Added bwdif (Bob Weaver) deinterlacing - higher quality than yadif
- Kept yadif for faster processing when speed is priority
- Auto-detect interlaced content based on field_order metadata
- Deinterlace modes: Auto (detect and apply), Force, Off
- Defaults to bwdif for best quality
- ✅ **Audio normalization for compatibility**
- Force stereo (2 channels) output
- Force 48kHz sample rate
- Ensures consistent playback across all devices
- Optional toggle for maximum compatibility mode
- ✅ **10-bit encoding for better compression**
- Changed default pixel format from yuv420p to yuv420p10le
- Provides 10-20% file size reduction at same visual quality
- Better handling of color gradients and banding
- Automatic for all H.264/H.265 conversions
- ✅ **Browser desync fix**
- Added `-fflags +genpts` to regenerate timestamps
- Added `-r` flag to enforce constant frame rate (CFR)
- Fixes "desync after multiple plays" issue in Chromium browsers (Chrome, Edge, Vivaldi)
- Eliminates gradual audio drift when scrubbing/seeking
- ✅ **Extended resolution support**
- Added 8K (4320p) resolution option
- Supports: 720p, 1080p, 1440p, 4K (2160p), 8K (4320p)
- Prepared for future VR and ultra-high-resolution content
- ✅ **Black bar cropping infrastructure**
- Added AutoCrop configuration option
- Cropdetect filter support for future auto-detection
- Foundation for 15-30% file size reduction in dev13
### Technical Improvements
- ✅ All new settings propagate to both direct convert and queue processing
- ✅ Backward compatible with legacy InverseTelecine setting
- ✅ Comprehensive logging for all encoding decisions
- ✅ Settings persist across video loads
### Bug Fixes
- ✅ Fixed VFR (Variable Frame Rate) handling that caused desync
- ✅ Prevented timestamp drift in long videos
- ✅ Improved browser playback compatibility
## Version 0.1.0-dev11 (2025-11-30)
### Features
- ✅ Added persistent conversion stats bar visible on all screens
- Real-time progress updates for running jobs
- Displays pending/completed/failed job counts
- Clickable to open queue view
- Shows job title and progress percentage
- ✅ Added multi-video navigation with Prev/Next buttons
- Load multiple videos for batch queue setup
- Switch between loaded videos to review settings before queuing
- Shows "Video X of Y" counter
- ✅ Added installation script with animated loading spinner
- Braille character animations
- Shows current task during build and install
- Interactive path selection (system-wide or user-local)
- ✅ Added error dialogs with "Copy Error" button
- One-click error message copying for debugging
- Applied to all major error scenarios
- Better user experience when reporting issues
### Improvements
- ✅ Align direct convert and queue behavior
- Show active direct convert inline in queue with live progress
- Preserve queue scroll position during updates
- Back button from queue returns to originating module
- Queue badge includes active direct conversions
- Allow adding to queue while a convert is running
- ✅ DVD-compliant outputs
- Enforce MPEG-2 video + AC-3 audio, yuv420p
- Apply NTSC/PAL targets with correct fps/resolution
- Disable cover art for DVD targets to avoid mux errors
- Unified settings for direct and queued jobs
- ✅ Updated queue tile to show active/total jobs instead of completed/total
- Shows pending + running jobs out of total
- More intuitive status at a glance
- ✅ Fixed critical deadlock in queue callback system
- Callbacks now run in goroutines to prevent blocking
- Prevents app freezing when adding jobs to queue
- ✅ Improved batch file handling with detailed error reporting
- Shows which specific files failed to analyze
- Continues processing valid files when some fail
- Clear summary messages
- ✅ Fixed queue status display
- Always shows progress percentage (even at 0%)
- Clearer indication when job is running vs. pending
- ✅ Fixed queue deserialization for formatOption struct
- Handles JSON map conversion properly
- Prevents panic when reloading saved queue on startup
### Bug Fixes
- ✅ Fixed crash when dragging multiple files
- Better error handling in batch processing
- Graceful degradation for problematic files
- ✅ Fixed deadlock when queue callbacks tried to read stats
- ✅ Fixed formatOption deserialization from saved queue
## Version 0.1.0-dev7 (2025-11-23)
### Features
- ✅ Changed default aspect ratio from 16:9 to Source across all instances
- Updated initial state default
- Updated empty fallback default
- Updated reset button behavior
- Updated clear video behavior
- Updated hint label text
### Documentation
- ✅ Created comprehensive MODULES.md with all planned modules
- ✅ Created PERSISTENT_VIDEO_CONTEXT.md design document
- ✅ Created VIDEO_PLAYER.md documenting custom player implementation
- ✅ Reorganized docs into module-specific folders
- ✅ Created detailed Convert module documentation
- ✅ Created detailed Inspect module documentation
- ✅ Created detailed Rip module documentation
- ✅ Created docs/README.md navigation hub
- ✅ Created TODO.md and DONE.md tracking files
## Version 0.1.0-dev6 and Earlier
### Core Application
- ✅ Fyne-based GUI framework
- ✅ Multi-module architecture with tile-based main menu
- ✅ Application icon and branding
- ✅ Debug logging system (VIDEOTOOLS_DEBUG environment variable)
- ✅ Cross-module state management
- ✅ Window initialization and sizing
### Convert Module (Partial Implementation)
- ✅ Basic video conversion functionality
- ✅ Format selection (MP4, MKV, WebM, MOV, AVI)
- ✅ Codec selection (H.264, H.265, VP9)
- ✅ Quality presets (CRF-based encoding)
- ✅ Output aspect ratio selection
- Source, 16:9, 4:3, 1:1, 9:16, 21:9
- ✅ Aspect ratio handling methods
- Auto, Letterbox, Pillarbox, Blur Fill
- ✅ Deinterlacing options
- Inverse telecine with default smoothing
- ✅ Mode toggle (Simple/Advanced)
- ✅ Output filename customization
- ✅ Default output naming ("-convert" suffix)
- ✅ Status indicator during conversion
- ✅ Cancelable conversion process
- ✅ FFmpeg command construction
- ✅ Process management and execution
### Video Loading & Metadata
- ✅ File selection dialog
- ✅ FFprobe integration for metadata parsing
- ✅ Video source structure with comprehensive metadata
- Path, format, resolution, duration
- Video/audio codecs
- Bitrate, framerate, pixel format
- Field order detection
- ✅ Preview frame generation (24 frames)
- ✅ Temporary directory management for previews
### Media Player
- ✅ Embedded video playback using FFmpeg
- ✅ Audio playback with SDL2
- ✅ Frame-accurate rendering
- ✅ Playback controls (play/pause)
- ✅ Volume control
- ✅ Seek functionality with progress bar
- ✅ Player window sizing based on video aspect ratio
- ✅ Frame pump system for smooth playback
- ✅ Audio/video synchronization
- ✅ Stable seeking and embedded video rendering
### Metadata Display
- ✅ Metadata panel showing key video information
- ✅ Resolution display
- ✅ Duration formatting
- ✅ Codec information
- ✅ Aspect ratio display
- ✅ Field order indication
### Inspect Module (Basic)
- ✅ Video metadata viewing
- ✅ Technical details display
- ✅ Comprehensive information in Convert module metadata panel
- ✅ Cover art preview capability
### UI Components
- ✅ Main menu with 8 module tiles
- Convert, Merge, Trim, Filters, Upscale, Audio, Thumb, Inspect
- ✅ Module color coding for visual identification
- ✅ Clear video control in metadata panel
- ✅ Reset button for Convert settings
- ✅ Status label for operation feedback
- ✅ Progress indication during operations
### Git & Version Control
- ✅ Git repository initialization
- ✅ .gitignore configuration
- ✅ Version tagging system (v0.1.0-dev1 through dev7)
- ✅ Commit message formatting
- ✅ Binary exclusion from repository
- ✅ Build cache exclusion
### Build System
- ✅ Go modules setup
- ✅ Fyne dependencies integration
- ✅ FFmpeg/FFprobe external tool integration
- ✅ SDL2 integration for audio
- ✅ OpenGL bindings (go-gl) for video rendering
- ✅ Cross-platform file path handling
### Asset Management
- ✅ Application icon (VT_Icon.svg)
- ✅ Icon export to PNG format
- ✅ Icon embedding in application
### Logging & Debugging
- ✅ Category-based logging (SYS, UI, MODULE, etc.)
- ✅ Timestamp formatting
- ✅ Debug output toggle via environment variable
- ✅ Comprehensive debug messages throughout application
- ✅ Log file output (videotools.log)
### Error Handling
- ✅ FFmpeg execution error capture
- ✅ File selection cancellation handling
- ✅ Video parsing error messages
- ✅ Process cancellation cleanup
### Utility Functions
- ✅ Duration formatting (seconds to HH:MM:SS)
- ✅ Aspect ratio parsing and calculation
- ✅ File path manipulation
- ✅ Temporary directory creation and cleanup
## Technical Achievements
### Architecture
- ✅ Clean separation between UI and business logic
- ✅ Shared state management across modules
- ✅ Modular design allowing easy addition of new modules
- ✅ Event-driven UI updates
### FFmpeg Integration
- ✅ Dynamic FFmpeg command building
- ✅ Filter chain construction for complex operations
- ✅ Stream mapping for video/audio handling
- ✅ Process execution with proper cleanup
- ✅ Progress parsing from FFmpeg output (basic)
### Media Playback
- ✅ Custom media player implementation
- ✅ Frame extraction and display pipeline
- ✅ Audio decoding and playback
- ✅ Synchronization between audio and video
- ✅ Embedded playback within application window
- ✅ Checkpoint system for playback position
### UI/UX
- ✅ Responsive layout adapting to content
- ✅ Intuitive module selection
- ✅ Clear visual feedback during operations
- ✅ Logical grouping of related controls
- ✅ Helpful hint labels for user guidance
## Milestones
- **2025-11-23** - v0.1.0-dev7 released with Source aspect ratio default
- **2025-11-22** - Documentation reorganization and expansion
- **2025-11-21** - Last successful binary build (GCC compatibility)
- **Earlier** - v0.1.0-dev1 through dev6 with progressive feature additions
- dev6: Aspect ratio controls and cancelable converts
- dev5: Icon and basic UI improvements
- dev4: Build cache management
- dev3: Media player checkpoint
- Earlier: Initial implementation and architecture
## Development Progress
### Lines of Code (Estimated)
- **main.go**: ~2,500 lines (comprehensive Convert module, UI, player)
- **Documentation**: ~1,500 lines across multiple files
- **Total**: ~4,000+ lines
### Modules Status
- **Convert**: 60% complete (core functionality working, advanced features pending)
- **Inspect**: 20% complete (basic metadata display, needs dedicated module)
- **Merge**: 0% (planned)
- **Trim**: 0% (planned)
- **Filters**: 0% (planned)
- **Upscale**: 0% (planned)
- **Audio**: 0% (planned)
- **Thumb**: 0% (planned)
- **Rip**: 0% (planned)
### Documentation Status
- **Module Documentation**: 30% complete
- ✅ Convert: Complete
- ✅ Inspect: Complete
- ✅ Rip: Complete
- ⏳ Others: Pending
- **Design Documents**: 50% complete
- ✅ Persistent Video Context
- ✅ Module Overview
- ⏳ Architecture
- ⏳ FFmpeg Integration
- **User Guides**: 0% complete
## Bug Fixes & Improvements
### Recent Fixes
- ✅ Fixed aspect ratio default from 16:9 to Source (dev7)
- ✅ Stabilized video seeking and embedded rendering
- ✅ Improved player window positioning
- ✅ Fixed clear video functionality
- ✅ Resolved build caching issues
- ✅ Removed binary from git repository
### Performance Improvements
- ✅ Optimized preview frame generation
- ✅ Efficient FFmpeg process management
- ✅ Proper cleanup of temporary files
- ✅ Responsive UI during long operations
## Acknowledgments
### Technologies Used
- **Fyne** - Cross-platform GUI framework
- **FFmpeg/FFprobe** - Video processing and analysis
- **SDL2** - Audio playback
- **OpenGL (go-gl)** - Video rendering
- **Go** - Primary programming language
### Community Resources
- FFmpeg documentation and community
- Fyne framework documentation
- Go community and standard library
---
*Last Updated: 2025-11-23*
- Forked and rebranded from VideoTools (module path, scripts, branding) with a clean docs layout under `docs/`.
- Aligned git history with VideoTools so upstream sync and PRs are straightforward.
- Minimal player-first UX: app boots directly into a dark landing screen with centered play icon, “Load Video” button, and drop hint.
- Playlist basics: load single/multiple files or folders; prev/next navigation; list view when media is present.
- Drag-and-drop: drop files or folders anywhere to load (folders are scanned for videos).
- Player controls: play/pause, seek slider with time labels, volume/mute slider, prev/next track buttons, and session reuse for loaded media.
- Queue/convert UI removed from the surface; only player UI is exposed (legacy code still present but hidden).

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# VideoTools TODO (v0.1.0-dev13 plan)
This file tracks upcoming features, improvements, and known issues.
## Priority Features for dev13 (Based on Jake's research)
### Quality & Compression Improvements
- [x] **Automatic black bar detection and cropping** (v0.1.0-dev13 - COMPLETED)
- Implement ffmpeg cropdetect analysis pass
- Auto-apply detected crop values
- 15-30% file size reduction with zero quality loss
- Add manual crop override option
- [x] **Frame rate conversion UI** (v0.1.0-dev13 - COMPLETED)
- Dropdown: Source, 23.976, 24, 25, 29.97, 30, 50, 59.94, 60 fps
- Auto-suggest 60→30fps conversion with size estimate
- Show file size impact (40-50% reduction for 60→30)
- [x] **HEVC/H.265 encoder preset options** (v0.1.0-dev13 - COMPLETED)
- Preset dropdown: ultrafast, superfast, veryfast, faster, fast, medium, slow, slower, veryslow
- Show time/quality trade-off estimates
- Recommend "slow" for best quality/size balance
- [ ] **Advanced filters module**
- Denoising: hqdn3d (fast), nlmeans (slow, high quality)
- Sharpening: unsharp filter with strength slider
- Deblocking: remove compression artifacts
- All with strength sliders and preview
### Encoding Features
- [ ] **2-pass encoding for precise bitrate targeting**
- UI for target file size
- Auto-calculate bitrate from duration + size
- Progress tracking for both passes
- [ ] **SVT-AV1 codec support**
- Faster than H.265, smaller files
- Add compatibility warnings for iOS
- Preset selection (0-13)
### UI & Workflow
- [ ] **Add UI controls for dev12 backend features**
- H.264 profile/level dropdowns
- Deinterlace method selector (yadif/bwdif)
- Audio normalization checkbox
- Auto-crop toggle
- [ ] **Encoding presets system**
- "iPhone Compatible" preset (main/4.0, stereo, 48kHz, auto-crop)
- "Maximum Compression" preset (H.265, slower, CRF 24, 10-bit, auto-crop)
- "Fast Encode" preset (medium, hardware encoding)
- Save custom presets
- [ ] **File size estimator**
- Show estimated output size before encoding
- Based on source duration, target bitrate/CRF
- Update in real-time as settings change
### VR & Advanced Features
- [ ] **VR video support infrastructure**
- Detect VR metadata tags
- Side-by-side and over-under format detection
- Preserve VR metadata in output
- Add VR-specific presets
- [ ] **Batch folder import**
- Select folder, auto-add all videos to queue
- Filter by extension
- Apply same settings to all files
- Progress indicator for folder scanning
## Windows Compatibility (v0.1.0-dev14)
### Build System
- [ ] **Cross-compilation setup**
- Configure CGO for Windows cross-compilation
- Set up MinGW-w64 toolchain
- Test Fyne compilation on Windows
- Create Windows build script equivalent to build.sh
- [ ] **Dependency bundling**
- Bundle ffmpeg.exe with Windows builds
- Include all required DLLs (OpenGL, etc.)
- Create installer with dependencies
- Add ffmpeg to PATH or bundle in application directory
### Platform-Specific Code
- [ ] **Path handling**
- Replace Unix path separators with filepath.Separator
- Handle Windows drive letters (C:\, D:\, etc.)
- Support UNC paths (\\server\share\)
- Test with spaces and special characters in paths
- [ ] **File dialogs**
- Ensure Fyne file dialogs work on Windows
- Test drag-and-drop on Windows Explorer
- Handle Windows file associations
- Add "Open with VideoTools" context menu option
- [ ] **Process management**
- Test ffmpeg process spawning on Windows
- Handle Windows process termination (no SIGTERM)
- Support Windows-style console output
- Test background process handling
### Hardware Detection
- [ ] **Windows GPU detection**
- Detect NVIDIA GPUs (NVENC) on Windows
- Detect Intel integrated graphics (QSV)
- Detect AMD GPUs (AMF)
- Auto-select best available encoder
- [ ] **Windows-specific encoders**
- Add Windows Media Foundation encoders
- Test NVENC on Windows (h264_nvenc, hevc_nvenc)
- Test Intel QSV on Windows
- Add fallback to software encoding
### Testing & Distribution
- [ ] **Windows testing**
- Test on Windows 10
- Test on Windows 11
- Test with different GPU vendors
- Test on systems without GPU
- [ ] **Installation**
- Create Windows installer (MSI or NSIS)
- Add to Windows Start Menu
- Create desktop shortcut option
- Auto-update mechanism
- [ ] **Documentation**
- Windows installation guide
- Windows-specific troubleshooting
- GPU driver requirements
- Antivirus whitelist instructions
### Nice-to-Have
- [ ] Windows Store submission
- [ ] Portable/USB-stick version
- [ ] Windows taskbar progress integration
- [ ] File thumbnail generation for Windows Explorer
- [ ] Windows notification system integration
## Critical Issues / Polishing
- [ ] Queue polish: ensure scroll/refresh stability with 10+ jobs and long runs
- [ ] Direct+queue parity: verify label/progress/order are correct when mixing modes
- [ ] Conversion error surfacing: include stderr snippet in dialog for faster debug
- [ ] DVD author helper (optional): one-click VIDEO_TS/ISO from DVD .mpg
- [ ] Build reliability: document cgo/GL deps and avoid accidental cache wipes
## 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 (dev12 focus)
- [ ] 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
- [x] Add batch conversion queue (v0.1.0-dev11)
- [x] Multi-video loading and navigation (v0.1.0-dev11)
- [ ] 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
- [x] Drag-and-drop file loading (v0.1.0-dev11)
- [x] Multiple file drag-and-drop with batch processing (v0.1.0-dev11)
- [ ] 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
- [x] Global job queue (v0.1.0-dev11)
- [x] Priority management (v0.1.0-dev11)
- [x] Pause/resume individual jobs (v0.1.0-dev11)
- [x] Queue persistence (v0.1.0-dev11)
- [x] Job history (v0.1.0-dev11)
- [x] Persistent status bar showing queue stats (v0.1.0-dev11)
- [ ] Parallel processing option
- [ ] Estimated completion time
### 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
- Preview frames not cleaned up on crash
## Fixed Issues (v0.1.0-dev11)
- ✅ Limited error messages for FFmpeg failures - Added "Copy Error" button to all error dialogs
- ✅ No progress indication during metadata parsing - Added persistent stats bar showing real-time progress
- ✅ Crash when dragging multiple files - Improved error handling with detailed reporting
- ✅ Queue callback deadlocks - Fixed by running callbacks in goroutines
- ✅ Queue deserialization panic - Fixed formatOption struct handling
## 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
# VT Player TODO
## Near-term UI/UX
- Replace placeholder play icon with a proper asset; keep centered “Load Video” and drop hint on any window size.
- Tighten control bar (Haruna-like): cleaner spacing, distinct buttons, consistent sizing.
- Add keyboard shortcuts (Space play/pause, Left/Right seek, +/- volume, F fullscreen).
- Fullscreen toggle wired to player backend; ensure external ffplay window obeys target coords/sizing.
## Playback & Playlist
- Add per-item remove/clear actions; optional recent-files list; drag-to-reorder playlist.
- Show active item highlight and hover states; keep drop-to-playlist behavior for files/folders.
- Verify drop handling on all platforms (Wayland/X11/Windows).
## Keyframing (next milestone)
- Define keyframe data model and storage (per file).
- Render markers/ticks on the seek bar; jump/add/delete keyframes with shortcuts.
- Keep compatibility with VideoTools (same metadata format/paths).
## Integration with VideoTools
- Keep `master` rebased on `upstream/master`; cherry-pick player changes to upstream PR branches when needed.
- Document how to flip module paths/branding when preparing a PR back to VideoTools.
## Cleanup/Codebase
- Remove unused convert/queue/compare code paths and dead menu logic once player is stable.
- Simplify `main.go` by moving player view/controls into dedicated files.
- Delete old VideoTools-only docs/content that no longer applies once we finish the pruning.