Source/WebCore/Modules/webaudio/AudioBufferSourceNode.idl

/*
 * Copyright (C) 2010, Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1.  Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

// A cached (non-streamed), memory-resident audio source
[
    Conditional=WEB_AUDIO,
    JSGenerateToJSObject,
    ActiveDOMObject,
] interface AudioBufferSourceNode : AudioNode {
    attribute AudioBuffer? buffer;

    const unsigned short UNSCHEDULED_STATE = 0;
    const unsigned short SCHEDULED_STATE = 1;
    const unsigned short PLAYING_STATE = 2;
    const unsigned short FINISHED_STATE = 3;

    readonly attribute unsigned short playbackState;

    readonly attribute AudioParam gain;
    readonly attribute AudioParam playbackRate;

    attribute boolean loop;

    attribute unrestricted double loopStart;
    attribute unrestricted double loopEnd;

    [MayThrowException, ImplementedAs=startLater] void start(optional unrestricted double when = 0, optional unrestricted double grainOffset = 0, optional unrestricted double grainDuration);
    [MayThrowException, ImplementedAs=stopLater] void stop(optional unrestricted double when = 0);

    attribute EventHandler onended;
};