Chrome现在在工具栏中提供了一个全局媒体控制 UI^{(Global Media Controls UI)}，它可以帮助您控制在Chrome中播放的所有媒体。因此，例如，如果您在Netflix上观看^(Netflix)YouTube视频或连续剧，您将能够通过一个按钮控制其中一个或全部。该功能适用​​于Chrome 79，无需启用实验标志。在这篇文章中，我们将分享如何在Chrome中启用或禁用全局^(Chrome)媒体播放控制^{(Media Playback Control)}。

Chrome中的全局媒体播放控制^{(Media Playback Control)}

虽然我们已经可以选择在任何选项卡中静音任何音频或视频播放^{( mute any audio or video playback)}，但在Chrome中实现^(Chrome)全局媒体播放控制^{(Global Media Playback Control)}是另一个层次。由于此功能默认启用，因此当视频开始播放时，您应该会在您的个人资料旁边看到一个音乐图标。单击^(Click)它，它将显示所有视频播放的播放控件。

但是，转到下一个视频或上一个视频的选项会因一个网站而异于另一个网站。

例如，YouTube 几乎提供了一个带有暂停、下一个、上一个、视频缩略图和视频标题的迷你播放器^{(YouTube offers almost a mini player with pause, next, previous, a thumbnail for the video, and a title of the video)}。另一方面，Netflix和Facebook只提供暂停和播放按钮。它将再次发生变化，更多的网站开始实施播放控件所需的架构。

此功能仍在推出中。去年12月^(December)报道的，现在才看到。一旦可供您使用，它会在您播放视频时立即提示您通知。

如果您看不到它或者您想禁用Chrome中的全局媒体播放控件^{(Global Media Playback Control)}，请按照以下步骤操作：

• 打开一个新选项卡，然后输入chrome://flags
• 在搜索框中输入Global Media Playback Control
• 当标志出现时，单击默认按钮将其更改为Enabled或Disabled。

如果禁用它，您将无法再看到该控件。此功能也将在Microsoft Edge Chromium（版本 79）中可用。截至目前，可以使用标志启用它。

有趣的是，如果您单击音量图标以使播放视频的任何选项卡静音，则全局媒体播放控制^{(Global Media Playback Control)}图标将被禁用。当没有其他媒体暂停或播放时，就会发生这种情况。

总的来说，我认为这是一个方便的功能。如果您打开许多带有媒体播放功能的网页，您可以通过一个控制按钮来播放和暂停它们。

How to enable Global Media Playback Control in Chrome

Chrome is now offering a Global Media Controls UI in the toolbar, which helps you control all the media playing in Chrome. So, for example, if you are watching a YouTube video or a series on Netflix, you will be able to control one or all of them from a single button. The feature works on Chrome 79 without enabling an experimental flag. In this post, we will share how to enable or disable Global Media Playback Control in Chrome.

Global Media Playback Control in Chrome

While we already have the option to mute any audio or video playback in any of the tabs, but the implementation of Global Media Playback Control in Chrome is another level.  Since this feature is enabled by default, you should see a music icon next to your profile when a video starts playing. Click on it, and it will display playback control for all the video playback.

However, the option to go to the next video or previous video will differ from one website to another website.

For example, YouTube offers almost a mini player with pause, next, previous, a thumbnail for the video, and a title of the video. On the other hand, Netflix and Facebook only offer a pause and play button. It will change once more, and more websites start implementing the schema required for the playback controls.

This feature is still be rolling out. It was reported in December, and I only got to see it now. Once available for you, it will prompt you with a notification as soon as you play a video.

If you are not able to see it or you want to disable the Global Media Playback Control in Chrome, follow the steps:

• Open a new tab, and type chrome://flags
• In the search box type Global Media Playback Control
• When the flag appears, click on the default button to change it to Enabled or Disabled.

If you disable it, you will not get to see the control anymore. This feature will also become available in Microsoft Edge Chromium (version 79). As of now, it can be enabled using the flag.

It is interesting to note that if you click on the volume icon to mute any of the tabs playing a video, the Global Media Playback Control icon will be disabled. It happens when there are no other media that is paused or playing.

Overall I think this is a handy feature. If you open a lot of web pages with media playback, you can play and pause them from a single control button.

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