The read-only VideoTrack property sourceBuffer returns the SourceBuffer that created the track, or null if the track was not created by a SourceBuffer or the SourceBuffer has been removed from the MediaSource.sourceBuffers attribute of its parent media source.
A SourceBuffer or null.
| Specification |
|---|
| Media Source Extensions™ # dom-videotrack-sourcebuffer |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
sourceBuffer |
51 | 7912–79 | No | No | 38 | 7 | No | 51 | No | No | 13Exposed in Mobile Safari on iPad but not on iPhone. |
No |
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https://developer.mozilla.org/en-US/docs/Web/API/VideoTrack/sourceBuffer