This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
Obsolete since Gecko 30 (Firefox 30 / Thunderbird 30 / SeaMonkey 2.27 / Firefox OS 1.4)
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
The VideoPlaybackQuality.totalFrameDelay
read-only property returns a double
containing the sum of the frame delay since the creation of the associated HTMLVideoElement
. The frame delay is the difference between a frame's theoretical presentation time and its effective display time.
value = videoPlaybackQuality.totalFrameDelay;
var videoElt = document.getElementById('my_vid'); var quality = videoElt.getVideoPlaybackQuality(); alert(quality.totalFrameDelay);
Specification | Status | Comment |
---|---|---|
Media Source Extensions The definition of 'VideoPlaybackQuality.totalFrameDelay' in that specification. | Candidate Recommendation | Initial definition. |
Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|---|
Basic support | 23 | (Yes) |
25.0 (25.0)[1] 30.0 (30.0)[2] | 11[3] | 15 | 8 |
Feature | Android | Edge | Firefox Mobile (Gecko) | Firefox OS (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|---|
Basic support | 4.4.4 | (Yes) | No support | No support | 11 | 30 | No support |
[1] Available after switching the about:config
preference media.mediasource.enabled
to true
. In addition, support was limited to a whitelist of sites, for example YouTube, Netflix, and other popular streaming sites. The whitelist was removed and Media Source Extensions was enabled by default in 42+ for all sites.
[2] Obsolete since Gecko 30.
[3] Only works on Windows 8+.
HTMLVideoElement.getVideoPlaybackQuality()
method for constructing and returning this interface.MediaSource
SourceBuffer
© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/VideoPlaybackQuality/totalFrameDelay