Class CanvasVideoFrameBuffer

constructor

• new CanvasVideoFrameBuffer(canvas: HTMLCanvasElement): CanvasVideoFrameBuffer

  Parameters

  • canvas: HTMLCanvasElement

  Returns CanvasVideoFrameBuffer

framerate

height

width

asCanvasElement

• asCanvasElement(): HTMLCanvasElement

  Returns HTMLCanvasElement or OffscreenCanvas if the internal source can be transformed into one. Optional method. Returns null if the buffer is destroyed.

  Returns HTMLCanvasElement

asCanvasImageSource

• asCanvasImageSource(): Promise<CanvasImageSource>

  Returns the buffer as CanvasImageSource which can be drawn on HTMLCanvasElement directly. If destroy is already called, asCanvasImageSource should reject.

  Returns Promise<CanvasImageSource>

destroy

• destroy(): void

  Explicitly destroys the source and intermediate buffers in [[VideoFrameBuffer]]. After destroy is called, this [[VideoFrameBuffer]] must be discarded. destroy is typically required to be called, when MediaStream, HTMLVideoElement and ImageData are passed in as initialization data.

  Returns void