AudioDecoder: configure() method

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

Note: This feature is available in Dedicated Web Workers.

The configure() method of the AudioDecoder interface enqueues a control message to configure the audio decoder for decoding chunks.

Syntax

configure(config)

Parameters

config

A dictionary object containing the following members:

codec: A string containing a valid codec string. See "codecs" parameter for details on codec string construction.
sampleRate: An integer representing the number of frame samples per second.
numberOfChannels: An integer representing the number of audio channels.
description Optional: An ArrayBuffer, a TypedArray, or a DataView containing a sequence of codec specific bytes, commonly known as extradata.

Note: The registrations in the WebCodecs Codec Registry link to a specification detailing whether and how to populate the optional description member.

Return value

None (undefined).

Exceptions

TypeError: Thrown if the provided config is invalid.
InvalidStateError DOMException: Thrown if the state is "closed".
NotSupportedError DOMException: Thrown if the provided config is valid but the user agent cannot provide a codec that can decode this profile.

Examples

The following example configures the audioDecoder with the opus codec.

audioDecoder.configure({
  codec: "opus",
  sampleRate: 44100,
  numberOfChannels: 2,
});

Specifications

Specification
WebCodecs # dom-audiodecoder-configure

Browser compatibility

BCD tables only load in the browser