AudioDecoder: configure() method

Secure contextAvailable in 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

Browser compatibility