TheCanvasCaptureMediaStreamTrack interface of theMedia Capture and Streams API represents the video track contained in aMediaStream being generated from a<canvas> following a call toHTMLCanvasElement.captureStream().

Instance properties

This interface inherits the properties of its parent,MediaStreamTrack.

CanvasCaptureMediaStreamTrack.canvasRead only

Returns theHTMLCanvasElement object whose surface is captured in real-time.

Instance 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 aframeRate of 0 when callingcaptureStream().

Specifications

Browser compatibility

See also

• HTMLCanvasElement.captureStream() to begin capturing frames from a canvas