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66 lines
2.2 KiB
Plaintext
66 lines
2.2 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/#enumdef-automationrate
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* https://webaudio.github.io/web-audio-api/#audioparam
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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 AutomationRate {
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"a-rate",
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"k-rate"
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};
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[Pref="dom.webaudio.enabled",
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Exposed=Window]
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interface AudioParam {
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[SetterThrows]
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attribute float value;
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readonly attribute float defaultValue;
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readonly attribute float minValue;
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readonly attribute float maxValue;
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// Parameter automation.
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[Throws]
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AudioParam setValueAtTime(float value, double startTime);
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[Throws]
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AudioParam linearRampToValueAtTime(float value, double endTime);
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[Throws]
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AudioParam exponentialRampToValueAtTime(float value, double endTime);
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// Exponentially approach the target value with a rate having the given time constant.
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[Throws]
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AudioParam setTargetAtTime(float target, double startTime, double timeConstant);
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// Sets an array of arbitrary parameter values starting at time for the given duration.
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// The number of values will be scaled to fit into the desired duration.
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[Throws]
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AudioParam setValueCurveAtTime(sequence<float> values, double startTime, double duration);
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// Cancels all scheduled parameter changes with times greater than or equal to startTime.
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[Throws]
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AudioParam cancelScheduledValues(double startTime);
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};
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// Mozilla extension
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partial interface AudioParam {
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// The ID of the AudioNode this AudioParam belongs to.
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[ChromeOnly]
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readonly attribute unsigned long parentNodeId;
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// The name of the AudioParam
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[ChromeOnly]
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readonly attribute DOMString name;
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};
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partial interface AudioParam {
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// This attribute is used for mochitest only.
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[ChromeOnly]
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readonly attribute boolean isTrackSuspended;
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};
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