| /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| * You can obtain one at http://mozilla.org/MPL/2.0/. |
| * |
| * The origin of this IDL file is |
| * https://webaudio.github.io/web-audio-api/ |
| * |
| * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C |
| * liability, trademark and document use rules apply. |
| */ |
| |
| dictionary AudioBufferOptions { |
| unsigned long numberOfChannels = 1; |
| required unsigned long length; |
| required float sampleRate; |
| }; |
| |
| [Pref="dom.webaudio.enabled", |
| Constructor(AudioBufferOptions options)] |
| interface AudioBuffer { |
| |
| readonly attribute float sampleRate; |
| readonly attribute unsigned long length; |
| |
| // in seconds |
| readonly attribute double duration; |
| |
| readonly attribute unsigned long numberOfChannels; |
| |
| [Throws] |
| Float32Array getChannelData(unsigned long channel); |
| |
| [Throws] |
| undefined copyFromChannel(Float32Array destination, long channelNumber, optional unsigned long startInChannel = 0); |
| [Throws] |
| undefined copyToChannel(Float32Array source, long channelNumber, optional unsigned long startInChannel = 0); |
| }; |