1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
4 * You can obtain one at http://mozilla.org/MPL/2.0/.
6 * The origin of this IDL file is
7 * https://webaudio.github.io/web-audio-api/
9 * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
10 * liability, trademark and document use rules apply.
13 dictionary AnalyserOptions : AudioNodeOptions {
14 unsigned long fftSize = 2048;
15 double maxDecibels = -30;
16 double minDecibels = -100;
17 double smoothingTimeConstant = 0.8;
20 [Pref="dom.webaudio.enabled",
22 interface AnalyserNode : AudioNode {
24 constructor(BaseAudioContext context,
25 optional AnalyserOptions options = {});
27 // Real-time frequency-domain data
28 undefined getFloatFrequencyData(Float32Array array);
29 undefined getByteFrequencyData(Uint8Array array);
31 // Real-time waveform data
32 undefined getFloatTimeDomainData(Float32Array array);
33 undefined getByteTimeDomainData(Uint8Array array);
36 attribute unsigned long fftSize;
38 readonly attribute unsigned long frequencyBinCount;
41 attribute double minDecibels;
43 attribute double maxDecibels;
46 attribute double smoothingTimeConstant;
51 AnalyserNode includes AudioNodePassThrough;