This commit implements two new features:
1. Compare Module:
- New UI module for side-by-side video comparison
- Loads two video files and displays detailed metadata comparison
- Shows format, resolution, codecs, bitrates, frame rate, color info, etc.
- Accessible via GUI module button or CLI: videotools compare <file1> <file2>
- Added formatBitrate() helper function for consistent bitrate display
2. Target File Size Encoding Mode:
- New bitrate mode "Target Size" for convert module
- Allows users to 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
Additional changes:
- Updated printUsage() to include compare command
- Added compare button to module grid with pink color
- Added compareFile1 and compareFile2 to appState
- Consistent "Target Size" naming throughout (UI and code)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Add comprehensive DVD-Video encoding functionality:
- New internal/convert package with modular architecture
- types.go: Core types (VideoSource, ConvertConfig, FormatOption)
- ffmpeg.go: FFmpeg codec mapping and video probing
- presets.go: Output format definitions
- dvd.go: NTSC-specific DVD encoding and validation
- dvd_regions.go: PAL, SECAM, and multi-region support
- New internal/app/dvd_adapter.go for main.go integration
Features implemented:
✓ DVD-NTSC preset (720×480@29.97fps, MPEG-2/AC-3)
✓ Multi-region support (NTSC, PAL, SECAM - all region-free)
✓ Comprehensive validation system with actionable warnings
✓ Automatic framerate conversion (23.976p, 24p, 30p, 60p)
✓ Audio resampling to 48 kHz
✓ Aspect ratio handling (4:3, 16:9, letterboxing)
✓ Interlacing detection and preservation
✓ DVDStyler-compatible output (no re-encoding)
✓ PS2-safe bitrate limits (max 9000 kbps)
Complete technical specifications and integration guide in:
- DVD_IMPLEMENTATION_SUMMARY.md
All packages compile without errors or warnings.
Ready for integration with existing queue and UI systems.
🤖 Generated with Claude Code
