VideoPlaybackQuality.creationTime

The read-only creationTime property on the VideoPlaybackQuality interface reports the number of milliseconds since the browsing context was created this quality sample was recorded.

Syntax

value = videoPlaybackQuality.creationTime;

Value

A DOMHighResTimeStamp object which indicates the number of milliseconds that elapased between the time the browsing context was created and the time at which this sample of the video quality was obtained.

For details on how the time is determined, see Performance.now().

Example

This example calls getVideoPlaybackQuality() to obtain a VideoPlaybackQuality object, then determines what percentage of frames have been lost by either corruption or being dropped. If that exceeds 10% (0.1), a function called lostFramesThresholdExceeded() is called to, perhaps, update a quality indicator to show an increase in frame loss.

var videoElem = document.getElementById("my_vid");
var quality = videoElem.getVideoPlaybackQuality();

if ((quality.corruptedVideoFrames + quality.droppedVideoFrames)/quality.totalVideoFrames > 0.1) {
  lostFramesThresholdExceeded();
}

Specifications

Specification Status Comment
Unknown
The definition of 'VideoPlaybackQuality.corruptedVideoFrames' in that specification.
Unknown Initial definition.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic support
Experimental
Chrome Full support 23Edge Full support 12Firefox Full support 42
Full support 42
No support 25 — 42
Notes Disabled
Notes Limited support to a whitelist of sites, for example YouTube, Netflix, and other popular streaming sites. The whitelist was removed when Media Source Extensions was enabled by default in Firefox 42.
Disabled From version 25 until version 42 (exclusive): this feature is behind the media.mediasource.enabled preference. To change preferences in Firefox, visit about:config.
IE Full support 11
Notes
Full support 11
Notes
Notes Only works on Windows 8+.
Opera Full support 15Safari Full support 8WebView Android Full support 4.4.3Chrome Android ? Edge Mobile Full support YesFirefox Android No support NoOpera Android Full support 30Safari iOS No support NoSamsung Internet Android ?

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.
See implementation notes.
See implementation notes.
User must explicitly enable this feature.
User must explicitly enable this feature.

See also

Document Tags and Contributors

Last updated by: Sheppy,