/*
 * 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
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 *    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
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[
    Conditional=WEB_AUDIO,
    JSGenerateToJSObject,
] interface AnalyserNode : AudioNode {
    attribute unsigned long fftSize;
    readonly attribute unsigned long frequencyBinCount;

    // minDecibels / maxDecibels represent the range to scale the FFT analysis data for conversion to unsigned byte values.
    attribute unrestricted double minDecibels;
    attribute unrestricted double maxDecibels;

    // A value from 0.0 -> 1.0 where 0.0 represents no time averaging with the last analysis frame.
    attribute unrestricted double smoothingTimeConstant;

    // Copies the current frequency data into the passed array.
    // If the array has fewer elements than the frequencyBinCount, the excess elements will be dropped.
    void getFloatFrequencyData(Float32Array? array); // FIXME: The parameter should not be nullable.
    void getByteFrequencyData(Uint8Array? array); // FIXME: The parameter should not be nullable.

    // Real-time waveform data
    void getByteTimeDomainData(Uint8Array? array); // FIXME: The parameter should not be nullable.
};
