зеркало из https://github.com/mozilla/gecko-dev.git
54 строки
1.6 KiB
Plaintext
54 строки
1.6 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* The origin of this IDL file is
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* https://webaudio.github.io/web-audio-api/
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*
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* Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
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* liability, trademark and document use rules apply.
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*/
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enum BiquadFilterType {
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"lowpass",
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"highpass",
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"bandpass",
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"lowshelf",
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"highshelf",
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"peaking",
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"notch",
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"allpass"
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};
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dictionary BiquadFilterOptions : AudioNodeOptions {
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BiquadFilterType type = "lowpass";
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float Q = 1;
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float detune = 0;
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float frequency = 350;
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float gain = 0;
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};
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[Pref="dom.webaudio.enabled",
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Exposed=Window]
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interface BiquadFilterNode : AudioNode {
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[Throws]
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constructor(BaseAudioContext context,
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optional BiquadFilterOptions options = {});
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attribute BiquadFilterType type;
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readonly attribute AudioParam frequency; // in Hertz
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readonly attribute AudioParam detune; // in Cents
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readonly attribute AudioParam Q; // Quality factor
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readonly attribute AudioParam gain; // in Decibels
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[Throws]
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undefined getFrequencyResponse(Float32Array frequencyHz,
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Float32Array magResponse,
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Float32Array phaseResponse);
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};
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// Mozilla extension
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BiquadFilterNode includes AudioNodePassThrough;
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