1 /* 2 ** Copyright 2003-2010, VisualOn, Inc. 3 ** 4 ** Licensed under the Apache License, Version 2.0 (the "License"); 5 ** you may not use this file except in compliance with the License. 6 ** You may obtain a copy of the License at 7 ** 8 ** http://www.apache.org/licenses/LICENSE-2.0 9 ** 10 ** Unless required by applicable law or agreed to in writing, software 11 ** distributed under the License is distributed on an "AS IS" BASIS, 12 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 ** See the License for the specific language governing permissions and 14 ** limitations under the License. 15 */ 16 /******************************************************************************* 17 File: band_nrg.h 18 19 Content: Band/Line energy calculations functions 20 21 *******************************************************************************/ 22 23 24 #ifndef _BAND_NRG_H 25 #define _BAND_NRG_H 26 27 #include "typedef.h" 28 29 30 void CalcBandEnergy(const Word32 *mdctSpectrum, 31 const Word16 *bandOffset, 32 const Word16 numBands, 33 Word32 *bandEnergy, 34 Word32 *bandEnergySum); 35 36 37 void CalcBandEnergyMS(const Word32 *mdctSpectrumLeft, 38 const Word32 *mdctSpectrumRight, 39 const Word16 *bandOffset, 40 const Word16 numBands, 41 Word32 *bandEnergyMid, 42 Word32 *bandEnergyMidSum, 43 Word32 *bandEnergySide, 44 Word32 *bandEnergySideSum); 45 46 #endif 47