| /* |
| * Copyright (C) 2011, Google Inc. All rights reserved. |
| * Copyright (C) 2016, Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| [ |
| Conditional=WEB_AUDIO, |
| ImplementedAs=BiquadFilterType |
| ] enum BiquadFilterType { |
| "lowpass", |
| "highpass", |
| "bandpass", |
| "lowshelf", |
| "highshelf", |
| "peaking", |
| "notch", |
| "allpass" |
| }; |
| |
| [ |
| Conditional=WEB_AUDIO, |
| JSGenerateToJSObject, |
| ] 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 |
| |
| // FIXME: the parameters should not be nullable. |
| void getFrequencyResponse(Float32Array? frequencyHz, Float32Array? magResponse, Float32Array? phaseResponse); |
| }; |