VideoDecoder: dequeue event

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

The dequeue event of the {{domxref("VideoDecoder")}} interface fires to signal a decrease in {{domxref("VideoDecoder.decodeQueueSize")}}.

This eliminates the need for developers to use a {{domxref("Window.setTimeout", "setTimeout()")}} poll to determine when the queue has decreased, and more work should be queued up.

Syntax

Use the event name in methods like {{domxref("EventTarget.addEventListener", "addEventListener()")}}, or set an event handler property.

addEventListener("dequeue", (event) => { })

ondequeue = (event) => { }

Example

videoDecoder.addEventListener("dequeue", (event) => {
  // Queue up more encoding work
});

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}