This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The VideoPlaybackQuality
interface represents the set of metrics describing the playback quality of a video.
An instance is created using the HTMLVideoElement.getVideoPlaybackQuality()
method.
Properties
The VideoPlaybackQuality
interface doesn't inherit any property.
VideoPlaybackQuality.creationTime
Read only- A
DOMHighResTimeStamp
containing the time in miliseconds since the start of the navigation and the creation of the object. VideoPlaybackQuality.totalVideoFrames
Read only- An
unsigned long
giving the number of video frames created and dropped since the creation of the associatedHTMLVideoElement
. VideoPlaybackQuality.droppedVideoFrames
Read only- An
unsigned long
giving the number of video frames dropped since the creation of the associatedHTMLVideoElement
. VideoPlaybackQuality.corruptedVideoFrames
Read only- An
unsigned long
giving the number of video frames corrupted since the creation of the associatedHTMLVideoElement
. A corrupted frame may be created or dropped. VideoPlaybackQuality.totalFrameDelay
Read only Obsolete since Gecko 30- A
double
containing the sum of the frame delay since the creation of the associatedHTMLVideoElement
. The frame delay is the difference between a frame's theoretical presentation time and its effective display time.
Methods
The VideoPlaybackQuality
interface neither implements any specific method, nor inherits any.
Specifications
Specification | Status | Comment |
---|---|---|
Media Source Extensions The definition of 'VideoPlaybackQuality' in that specification. |
Candidate Recommendation | Initial definition. |
Browser compatibility
Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|---|
Basic support | 23 | (Yes) | 25.0 (25.0)[1] 42.0 (42.0) |
11[2] | 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] Only works on Windows 8+.
See also
- The
HTMLVideoElement.getVideoPlaybackQuality()
method for constructing and returning this interface. MediaSource
SourceBuffer