Video Speed Controller (Unofficial-FF-Fork) 作者: forkdons

This add-on is an unofficial fork of the original open-source Video Speed Controller project by Ilya Grigorik.

Features:

• speed up / slow down HTML5 video and audio playback,
• quick rewind / advance,
• toggle preferred speed,
• show/hide on-page controller,
• customizable keyboard shortcuts,
• site blacklist support.

Default shortcuts:
- S slower
- D faster
- R reset to 1.0x
- Z rewind 10s
- X advance 10s
- G preferred speed toggle
- V show/hide controller
- M set marker
- J jump to marker

Project origin notice

• This is not an official release from the original author.
• Upstream repository: https://github.com/igrigorik/videospeed
• This fork is maintained separately for Firefox distribution.

License

Distributed under the MIT License.
The package preserves the original license text (LICENSE) and includes fork attribution (FORK_NOTICE.md) in compliance with MIT requirements.