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-/*
- * 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.
- */
-
-module audio {
- interface [
- Conditional=WEB_AUDIO,
- GenerateToJS
- ] RealtimeAnalyserNode : 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 float minDecibels;
- attribute float maxDecibels;
-
- // A value from 0.0 -> 1.0 where 0.0 represents no time averaging with the last analysis frame.
- attribute float 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.
- [Conditional=3D_CANVAS] void getFloatFrequencyData(in Float32Array array);
- [Conditional=3D_CANVAS] void getByteFrequencyData(in Uint8Array array);
-
- // Real-time waveform data
- [Conditional=3D_CANVAS] void getByteTimeDomainData(in Uint8Array array);
- };
-}