AudioBuffer.webidl (1339B)
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://webaudio.github.io/web-audio-api/ 8 * 9 * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C 10 * liability, trademark and document use rules apply. 11 */ 12 13 dictionary AudioBufferOptions { 14 unsigned long numberOfChannels = 1; 15 required unsigned long length; 16 required float sampleRate; 17 }; 18 19 [Pref="dom.webaudio.enabled", 20 Exposed=Window] 21 interface AudioBuffer { 22 [Throws] 23 constructor(AudioBufferOptions options); 24 25 readonly attribute float sampleRate; 26 readonly attribute unsigned long length; 27 28 // in seconds 29 readonly attribute double duration; 30 31 readonly attribute unsigned long numberOfChannels; 32 33 [Throws] 34 Float32Array getChannelData(unsigned long channel); 35 36 [Throws] 37 undefined copyFromChannel(Float32Array destination, unsigned long channelNumber, optional unsigned long startInChannel = 0); 38 [Throws] 39 undefined copyToChannel(Float32Array source, unsigned long channelNumber, optional unsigned long startInChannel = 0); 40 };