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Universal Media Control

Universal Media Control EN

The1MHR · Firefox

This extension lets you quickly seek video playback forwards and backwards.

30用户 v1.4当前版本
权限提示 该扩展申请访问所有网站(<all_urls>),意味着它可以读取你在任意站点的页面内容,包括已登录的页面。这是许多扩展正常工作的必要条件,但也值得你确认来源可信。

简介

This extension lets you quickly seek video playback forwards and backwards.

This tiny and efficient extension helps you easily seek forwards and backwards in videos that are embedded in webpages. It does this by adding "keyboard controls" AKA "hotkeys" or "keyboard shortcuts" that you can use to make the video playback position seek forwards or backwards. No clickable GUI buttons are added, so you absolutely MUST use the hotkeys to operate the extension and control / seek the video. If you don't understand how to use hotkeys, then don't install this extension - you simply won't be able to utilize the functionality.

This extension attempts to be universal, so that it works on most video & audio players embedded in the web pages of most websites. However, this is a technically challenging thing to do because there's many hundreds of different video player variations to account for. So, please be aware that it won't always work correctly. However, it does works properly most of the time, and so I believe you will find it useful, and certainly better than nothing. Please keep this in mind when rating the extension - the extension is intended for "power users" that can cope if it doesn't always work well.

How to use it (only 2 steps):
1) Click on any video so that it starts playing
2) Use any of the following Keyboard Controls to make the video seek forward or backward:

Keyboard Controls (windows / linux):
Ctrl + LeftArrow: Seek backwards 3 seconds
Ctrl + RightArrow: Seek forward 3 seconds
Ctrl + SpaceBar: Toggle play / pause
Ctrl + Alt + SpaceBar: Toggle mute / unmute
Ctrl + Shift + LeftArrow: Seek backwards 15 seconds
Ctrl + Shift + RightArrow: Seek forward 15 seconds
Ctrl + Shift + DownArrow: Seek backwards to start
Ctrl + Shift + UpArrow: Seek forward to end (great for skipping advertisements!)

Keyboard Controls (Mac):
Ctrl + Command + LeftArrow: Seek backwards 3 seconds
Ctrl + Command + RightArrow: Seek forward 3 seconds
Ctrl + SpaceBar: Toggle play / pause
Ctrl + Alt + SpaceBar: Toggle mute / unmute
Ctrl + Shift + LeftArrow: Seek backwards 15 seconds
Ctrl + Shift + RightArrow: Seek forward 15 seconds
Ctrl + Shift + DownArrow: Seek backwards to start
Ctrl + Shift + UpArrow: Seek forward to end (great for skipping advertisements!)

For example, hold the Ctrl key and then press the left arrow key twice to QUICKLY seek backwards 6 seconds!

You can configure how far forwards and backwards each key takes you via the extension config page. To see the config page, click the extension icon on the top-right of your browser, then select "options", just like on any other extension.

An ad-blocker is highly recommended in conjunction with this extension. Otherwise, videos from advertisements will get picked up by this extension, and your hotkey commands may get sent to the ad, instead of the main webpage video that you desire, causing the ad to seek forwards or backwards instead of the video.

There are similar competing extensions to this one, but a key benefit to this extension is that you usually don't need the video to have "focus" in order to use the keyboard controls. This allows for easier usage. Often, you don't even need to first click the video in order to control it - you can begin using keyboard controls as soon as the page loads and the video starts playing, without ever using your mouse (assuming the video starts playing automatically). This extensions also offers some limited support of webpages that have multiple videos embedded in it - your hotkey commands are sent to the most recently active video, and -- if needed -- an easy way to declare your opinion of the most recently active video is to just click on the video.

Limitations:
- Sometimes, you may need to first click on a video before the keyboard controls will be able to control it.
- Webpages that have more than 1 video playing at the same time may cause this extension to behave weird. Fortunately, not too many web pages do that, but some do (often, the 2nd video is an advertisement).
- Keyboard controls don't work when you have your cursor in a text input field (such as a search field).
- This extension doesn't work on 100% of all web pages, but should work for most. Maybe 95%.

Changelog

V1.4- Document hotkeys better. Add undo/redo functionality.

V1.3 - Beta release.

Universal Media Control 是做什么的

Universal Media Control 是一款面向 Firefox 的隐私与安全类扩展,主要用来拦截追踪器、屏蔽广告、管理 Cookie、加固浏览器指纹。官方对它的介绍是:This extension lets you quickly seek video playback forwards and backwards.在Firefox 附加组件商店(AMO)上,它当前版本 1.4,约 30 名用户。

适合什么人用

从功能定位看,Universal Media Control 更适合在意上网被跟踪、希望减少广告干扰的用户。如果你平时只是偶尔遇到相关需求,用浏览器自带功能也能凑合;但如果这件事每天都发生,装一个专门处理它的扩展通常比手动操作省事得多。需要注意的是它作用于所有网站,装上后建议先观察一两天,确认不影响常用站点的正常使用。

怎么安装 Universal Media Control

  1. 打开Firefox 附加组件商店(AMO)上的官方页面;
  2. 点「添加到浏览器」并确认权限提示;
  3. 装好后在扩展列表里固定图标,方便随时开关。

本站只做索引与介绍,安装包来自官方商店。如果商店页面提示当前地区不可用,说明该扩展未在你所在区域上架。

常见问题

Universal Media Control 是免费的吗?

Universal Media Control 在Firefox 附加组件商店(AMO)免费提供下载。它是浏览器扩展,装上就能直接用,不需要注册账号。

Universal Media Control 安全吗?

它只申请了 0 项权限,范围比较克制,没有申请「读取所有网站数据」这种大权限。

Universal Media Control 支持哪些浏览器?

当前收录的版本来自Firefox 附加组件商店(AMO),适用于 Firefox。同一个扩展在其他商店可能有对应版本,但功能与版本号不一定相同。

怎么卸载 Universal Media Control?

在扩展管理页找到 Universal Media Control,点移除即可。它在本地保存的设置会一起清掉,不会残留数据。

权限清单 来自 manifest.json 原文

站点访问 1

  • <all_urls>

接口权限 1

  • storage