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
BCD tables only load in the browser
See also
HTMLCanvasElement.captureStream()
to create a stream to capture a given canvas element.<canvas>