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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 http://mozilla.org/MPL/2.0/.
*
* The origin of this IDL file is
* https://webaudio.github.io/web-audio-api/
*
* Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
* liability, trademark and document use rules apply.
*/
dictionary AnalyserOptions : AudioNodeOptions {
unsigned long fftSize = 2048;
double maxDecibels = -30;
double minDecibels = -100;
double smoothingTimeConstant = 0.8;
};
[Pref="dom.webaudio.enabled",
Exposed=Window]
interface AnalyserNode : AudioNode {
[Throws]
constructor(BaseAudioContext context,
optional AnalyserOptions options = {});
// Real-time frequency-domain data
void getFloatFrequencyData(Float32Array array);
void getByteFrequencyData(Uint8Array array);
// Real-time waveform data
void getFloatTimeDomainData(Float32Array array);
void getByteTimeDomainData(Uint8Array array);
[SetterThrows, Pure]
attribute unsigned long fftSize;
[Pure]
readonly attribute unsigned long frequencyBinCount;
[SetterThrows, Pure]
attribute double minDecibels;
[SetterThrows, Pure]
attribute double maxDecibels;
[SetterThrows, Pure]
attribute double smoothingTimeConstant;
};
// Mozilla extension
AnalyserNode includes AudioNodePassThrough;
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