CanvasCaptureMediaStream.canvas

This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the spec changes.

The CanvasCaptureMediaStream.canvas read-only property returns the HTMLCanvasElement associated with the stream.

Syntax

var elt = stream.canvas;

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 'HTMLCanvasElement' in that specification.	Editor's Draft	Initial definition

Feature	Chrome	Firefox (Gecko)	Internet Explorer	Opera	Safari (WebKit)
Basic support	Not supported	41 (41)^[1]	Not supported	Not supported	Not supported

Feature	Android	Firefox Mobile (Gecko)	IE Phone	Opera Mobile	Safari Mobile
Basic support	Not supported	41.0 (41)^[1]	Not supported	Not supported	Not supported

[1] Disabled by default; set the preference canvas.capturestream.enabled to true to activate.

CanvasCaptureMediaStream.canvas

Syntax

Example

Specifications

Browser compatibility

See also

Document Tags and Contributors