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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
*
* Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
* liability, trademark and document use rules apply.
*/
enum BiquadFilterType {
"lowpass",
"highpass",
"bandpass",
"lowshelf",
"highshelf",
"peaking",
"notch",
"allpass"
};
dictionary BiquadFilterOptions : AudioNodeOptions {
BiquadFilterType type = "lowpass";
float Q = 1;
float detune = 0;
float frequency = 350;
float gain = 0;
};
[Pref="dom.webaudio.enabled",
Exposed=Window]
interface BiquadFilterNode : AudioNode {
[Throws]
constructor(BaseAudioContext context,
optional BiquadFilterOptions options = {});
attribute BiquadFilterType type;
readonly attribute AudioParam frequency; // in Hertz
readonly attribute AudioParam detune; // in Cents
readonly attribute AudioParam Q; // Quality factor
readonly attribute AudioParam gain; // in Decibels
[Throws]
void getFrequencyResponse(Float32Array frequencyHz,
Float32Array magResponse,
Float32Array phaseResponse);
};
// Mozilla extension
BiquadFilterNode includes AudioNodePassThrough;