The CanvasCaptureMediaStreamTrack
canvas
read-only property returns the HTMLCanvasElement
from which frames are being captured.
Syntax
var elt = stream.canvas;
Value
An HTMLCanvasElement
indicating the canvas which is the source of the frames being captured.
Example
// Find the canvas element to capture var canvasElt = document.getElementsByTagName("canvas")[0]; // Get the stream var stream = canvasElt.captureStream(25); // 25 FPS // Do things to the stream ... // Obtain the canvas associated with the stream var canvas = stream.canvas;
Specifications
Specification | Status | Comment |
---|---|---|
Media Capture from DOM Elements The definition of 'CanvasCaptureMediaStreamTrack.canvas' 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.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
canvas | Chrome No support No | Edge No support No | Firefox
Full support
41
| 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
| Opera Android No support No | Safari iOS No support No | Samsung Internet Android No support No |
Legend
- Full support
- Full support
- No support
- No support
- 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 create a stream to capture a given canvas element.<canvas>