index.md

title	slug	page-type	browser-compat
VideoEncoder	Web/API/VideoEncoder	web-api-interface	api.VideoEncoder

{{APIRef("WebCodecs API")}}{{SecureContext_Header}}{{AvailableInWorkers("window_and_dedicated")}}

The VideoEncoder interface of the {{domxref('WebCodecs API', '', '', 1)}} encodes {{domxref("VideoFrame")}} objects into {{domxref("EncodedVideoChunk")}}s.

{{InheritanceDiagram}}

Constructor

• {{domxref("VideoEncoder.VideoEncoder", "VideoEncoder()")}}
  • : Creates a new VideoEncoder object.

Instance properties

Inherits properties from its parent, {{DOMxRef("EventTarget")}}.

• {{domxref("VideoEncoder.encodeQueueSize")}} {{ReadOnlyInline}}
  • : An integer representing the number of encode queue requests.
• {{domxref("VideoEncoder.state")}} {{ReadOnlyInline}}
  • : Represents the state of the underlying codec and whether it is configured for encoding.

Events

• {{domxref("VideoEncoder.dequeue_event", "dequeue")}}
  • : Fires to signal a decrease in {{domxref("VideoEncoder.encodeQueueSize")}}.

Static methods

• {{domxref("VideoEncoder.isConfigSupported_static", "VideoEncoder.isConfigSupported()")}}
  • : Returns a promise indicating whether the provided VideoEncoderConfig is supported.

Instance methods

Inherits methods from its parent, {{DOMxRef("EventTarget")}}.

• {{domxref("VideoEncoder.configure()")}}
  • : Asynchronously prepares the encoder to accept video frames for encoding with the specified parameters.
• {{domxref("VideoEncoder.encode()")}}
  • : Asynchronously encodes a {{domxref("VideoFrame")}}.
• {{domxref("VideoEncoder.flush()")}}
  • : Returns a promise that resolves once all pending encodes have been completed.
• {{domxref("VideoEncoder.reset()")}}
  • : Cancels all pending encodes and callbacks.
• {{domxref("VideoEncoder.close()")}}
  • : Ends all pending work and releases system resources.

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

Video processing with WebCodecs