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comparison: dom/webidl/AudioParam.webidl
dom/webidl/AudioParam.webidl
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| 1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 4 * You can obtain one at http://mozilla.org/MPL/2.0/. | |
| 5 * | |
| 6 * The origin of this IDL file is | |
| 7 * https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html | |
| 8 * | |
| 9 * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C | |
| 10 * liability, trademark and document use rules apply. | |
| 11 */ | |
| 12 | |
| 13 interface AudioParam { | |
| 14 | |
| 15 attribute float value; | |
| 16 readonly attribute float defaultValue; | |
| 17 | |
| 18 // Parameter automation. | |
| 19 [Throws] | |
| 20 void setValueAtTime(float value, double startTime); | |
| 21 [Throws] | |
| 22 void linearRampToValueAtTime(float value, double endTime); | |
| 23 [Throws] | |
| 24 void exponentialRampToValueAtTime(float value, double endTime); | |
| 25 | |
| 26 // Exponentially approach the target value with a rate having the given time constant. | |
| 27 [Throws] | |
| 28 void setTargetAtTime(float target, double startTime, double timeConstant); | |
| 29 | |
| 30 // Sets an array of arbitrary parameter values starting at time for the given duration. | |
| 31 // The number of values will be scaled to fit into the desired duration. | |
| 32 [Throws] | |
| 33 void setValueCurveAtTime(Float32Array values, double startTime, double duration); | |
| 34 | |
| 35 // Cancels all scheduled parameter changes with times greater than or equal to startTime. | |
| 36 [Throws] | |
| 37 void cancelScheduledValues(double startTime); | |
| 38 | |
| 39 }; |
