我们的志愿者还没有将这篇文章翻译为 中文 (简体)。加入我们帮助完成翻译!
This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the spec changes.
The HTMLVideoElement.getVideoPlaybackQuality()
creates and returns a VideoPlaybackQuality
object containing metrics about the current quality of the video restitution.
Syntax
videoPQ = videoElement.getVideoPlaybackQuality();
Example
var videoElt = document.getElementById("my_vid"); var quality = videoElt.getVideoPlaybackQuality(); alert(quality.creationTime);
Specifications
Specification | Status | Comment |
---|---|---|
Media Source Extensions The definition of 'HTMLVideoElement.getVideoPlaybackQuality()' in that specification. |
Working Draft | Initial definition. |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
Basic support | Not supported | 25.0 (25.0) [1] | Not supported | ? | Not supported |
Feature | Android | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|
Basic support | Not supported | 25.0 (25.0) [1] | Not supported | ? | Not supported |
[1] Available after switching the about:config
preference media.mediasource.enabled
to true
.
See also
- The
VideoPlaybackQuality
interface.