CanvasCaptureMediaStreamTrack.canvas

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

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See also