The CanvasCaptureMediaStreamTrack
interface represents the video track contained in a MediaStream
being generated from a <canvas>
following a call to HTMLCanvasElement.captureStream()
.
Part of the Media Capture and Streams API.
Properties
This interface inherits the properties of its parent, MediaStreamTrack
.
CanvasCaptureMediaStreamTrack.canvas
Read only- Returns the
HTMLCanvasElement
object whose surface is captured in real-time.
Methods
This interface inherits the methods of its parent, MediaStreamTrack
.
CanvasCaptureMediaStreamTrack.requestFrame()
- Manually forces a frame to be captured and sent to the stream. This lets applications that wish to specify the frame capture times directly do so, if they specified a
frameRate
of 0 when callingcaptureStream()
.
Specifications
Specification | Status | Comment |
---|---|---|
Media Capture from DOM ElementsThe definition of 'CanvasCaptureMediaStreamTrack' in that specification. | Working Draft | Initial definition |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Chrome
Full support 51 |
Edge
Full support ≤79 |
Firefox Full support 41 Full support 41 Disabled' From version 41: this feature is behind the |
IE
No support No |
Opera
No support No |
Safari
No support No |
WebView Android
Full support 51 |
Chrome Android
Full support 51 |
Firefox Android Full support 41 Full support 41 Disabled' From version 41: this feature is behind the |
Opera Android
No support No |
Safari iOS
No support No |
Samsung Internet Android
Full support 5.0 |
Chrome
No support No |
Edge
No support No |
Firefox Full support 41 Full support 41 Disabled' From version 41: this feature is behind the |
IE
No support No |
Opera
No support No |
Safari
No support No |
WebView Android
No support No |
Chrome Android
No support No |
Firefox Android Full support 41 Full support 41 Disabled' From version 41: this feature is behind the |
Opera Android
No support No |
Safari iOS
No support No |
Samsung Internet Android
No support No | |
Chrome
Full support 51 |
Edge
Full support ≤79 |
Firefox Full support 41 Full support 41 Disabled' From version 41: this feature is behind the |
IE
No support No |
Opera
No support No |
Safari
No support No |
WebView Android
Full support 51 |
Chrome Android
Full support 51 |
Firefox Android
? |
Opera Android
No support No |
Safari iOS
No support No |
Samsung Internet Android
Full support 5.0 |
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.
- User must explicitly enable this feature.'
- User must explicitly enable this feature.
See also
HTMLCanvasElement.captureStream()
to begin capturing frames from a canvas
CanvasCaptureMediaStreamTrack by Mozilla Contributors is licensed under CC-BY-SA 2.5.