This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage 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 specification changes.
The VideoPlaybackQuality interface represents the set of metrics describing the playback quality of a video.
An instance is created using the HTMLVideoElement.getVideoPlaybackQuality() method.
The VideoPlaybackQuality interface doesn't inherit any property.
VideoPlaybackQuality.creationTime Read only
DOMHighResTimeStamp containing the time in miliseconds since the start of the navigation and the creation of the object.VideoPlaybackQuality.totalVideoFrames Read only
unsigned long giving the number of video frames created and dropped since the creation of the associated HTMLVideoElement.VideoPlaybackQuality.droppedVideoFrames Read only
unsigned long giving the number of video frames dropped since the creation of the associated HTMLVideoElement.VideoPlaybackQuality.corruptedVideoFrames Read only
unsigned long giving the number of video frames corrupted since the creation of the associated HTMLVideoElement. A corrupted frame may be created or dropped.VideoPlaybackQuality.totalFrameDelay Read only Obsolete since Gecko 30
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.The VideoPlaybackQuality interface neither implements any specific method, nor inherits any.
| Specification | Status | Comment |
|---|---|---|
| Media Source Extensions The definition of 'VideoPlaybackQuality' in that specification. | Candidate Recommendation | Initial definition. |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 23 |
25.0 (25.0)[1] 42.0 (42.0) | 11[2] | 15 | 8 |
| Feature | Android | Firefox Mobile (Gecko) | Firefox OS (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | 4.4.4 | 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+.
HTMLVideoElement.getVideoPlaybackQuality() method for constructing and returning this interface.MediaSourceSourceBuffer
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https://developer.mozilla.org/en-US/docs/Web/API/VideoPlaybackQuality