VideoTools/DONE.md

VideoTools - Completed Features

This file tracks completed features, fixes, and milestones.

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

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Last Updated: 2025-11-23