Source/WebCore/webaudio/AudioBuffer.idl

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
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 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 */

module audio {
    interface [
        Conditional=WEB_AUDIO & WEBGL
    ] AudioBuffer {
        readonly attribute long length; // in sample-frames
        readonly attribute float duration; // in seconds
        readonly attribute float sampleRate; // in sample-frames per second

        attribute float gain; // linear gain (default 1.0)

        // Channel access
        readonly attribute unsigned long numberOfChannels;
        Float32Array getChannelData(in unsigned long channelIndex);
    };
}