Add horizontal/vertical flip and rotation transformations to Convert module

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Implements video transformation features:
- Horizontal flip (mirror effect) using hflip filter
- Vertical flip (upside down) using vflip filter
- Rotation support: 90°, 180°, 270° clockwise using transpose filters

UI additions in Advanced mode:
- New "VIDEO TRANSFORMATIONS" section
- Two checkboxes for flip controls with descriptive labels
- Dropdown selector for rotation angles
- Hint text explaining transformation purpose

Filter implementation:
- Applied after aspect ratio conversion, before frame rate conversion
- Works in both queue-based and direct conversion paths
- Uses FFmpeg standard filters: hflip, vflip, transpose

Addresses user request to add flip/rotation capabilities inspired by Jake's script using -vf hflip.

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

Co-Authored-By: Claude <noreply@anthropic.com>

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Stu Leak 2025-12-06 01:18:38 -05:00

parent 1b0ec5b90e

commit fb9b01de0b

1 changed files with 623 additions and 284 deletions

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