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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at
* The origin of this IDL file is
// [Serializable, Transferable] are implemented without adding attributes here,
// but directly with {Read,Write}StructuredClone and Transfer/FromTransfered.
[Exposed=(Window,DedicatedWorker), Pref=""]
interface AudioData {
constructor(AudioDataInit init);
readonly attribute AudioSampleFormat? format;
readonly attribute float sampleRate;
readonly attribute unsigned long numberOfFrames;
readonly attribute unsigned long numberOfChannels;
readonly attribute unsigned long long duration; // microseconds
readonly attribute long long timestamp; // microseconds
unsigned long allocationSize(AudioDataCopyToOptions options);
undefined copyTo(
// bug 1696216: Should be `copyTo(AllowSharedBufferSource destination, ...)`
([AllowShared] ArrayBufferView or [AllowShared] ArrayBuffer) destination,
AudioDataCopyToOptions options);
AudioData clone();
undefined close();
dictionary AudioDataInit {
required AudioSampleFormat format;
required float sampleRate;
required [EnforceRange] unsigned long numberOfFrames;
required [EnforceRange] unsigned long numberOfChannels;
required [EnforceRange] long long timestamp; // microseconds
// bug 1696216: Should be AllowSharedBufferSource
required ([AllowShared] ArrayBufferView or [AllowShared] ArrayBuffer) data;
sequence<ArrayBuffer> transfer = [];
enum AudioSampleFormat {
dictionary AudioDataCopyToOptions {
required [EnforceRange] unsigned long planeIndex;
[EnforceRange] unsigned long frameOffset = 0;
[EnforceRange] unsigned long frameCount;
AudioSampleFormat format;