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52 lines
1.6 KiB
Plaintext
52 lines
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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dictionary AnalyserOptions : AudioNodeOptions {
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unsigned long fftSize = 2048;
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double maxDecibels = -30;
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double minDecibels = -100;
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double smoothingTimeConstant = 0.8;
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};
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[Pref="dom.webaudio.enabled",
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Exposed=Window]
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interface AnalyserNode : AudioNode {
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[Throws]
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constructor(BaseAudioContext context,
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optional AnalyserOptions options = {});
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// Real-time frequency-domain data
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undefined getFloatFrequencyData(Float32Array array);
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undefined getByteFrequencyData(Uint8Array array);
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// Real-time waveform data
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undefined getFloatTimeDomainData(Float32Array array);
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undefined getByteTimeDomainData(Uint8Array array);
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[SetterThrows, Pure]
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attribute unsigned long fftSize;
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[Pure]
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readonly attribute unsigned long frequencyBinCount;
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[SetterThrows, Pure]
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attribute double minDecibels;
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[SetterThrows, Pure]
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attribute double maxDecibels;
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[SetterThrows, Pure]
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attribute double smoothingTimeConstant;
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};
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// Mozilla extension
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AnalyserNode includes AudioNodePassThrough;
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