gecko-dev/dom/webidl/BiquadFilterNode.webidl

66 строки
2.1 KiB
Plaintext

/* -*- 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://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html
*
* Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
* liability, trademark and document use rules apply.
*/
enum BiquadFilterType {
// Hack: Use numbers to support alternate enum values
"0", "1", "2", "3", "4", "5", "6", "7",
"lowpass",
"highpass",
"bandpass",
"lowshelf",
"highshelf",
"peaking",
"notch",
"allpass"
};
[PrefControlled]
interface BiquadFilterNode : AudioNode {
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
void getFrequencyResponse(Float32Array frequencyHz,
Float32Array magResponse,
Float32Array phaseResponse);
};
/*
* The origin of this IDL file is
* https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AlternateNames
*/
[PrefControlled]
partial interface BiquadFilterNode {
[Pref="media.webaudio.legacy.BiquadFilterNode"]
const unsigned short LOWPASS = 0;
[Pref="media.webaudio.legacy.BiquadFilterNode"]
const unsigned short HIGHPASS = 1;
[Pref="media.webaudio.legacy.BiquadFilterNode"]
const unsigned short BANDPASS = 2;
[Pref="media.webaudio.legacy.BiquadFilterNode"]
const unsigned short LOWSHELF = 3;
[Pref="media.webaudio.legacy.BiquadFilterNode"]
const unsigned short HIGHSHELF = 4;
[Pref="media.webaudio.legacy.BiquadFilterNode"]
const unsigned short PEAKING = 5;
[Pref="media.webaudio.legacy.BiquadFilterNode"]
const unsigned short NOTCH = 6;
[Pref="media.webaudio.legacy.BiquadFilterNode"]
const unsigned short ALLPASS = 7;
};