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: quantize.h 18 19 Content: Quantization functions 20 21 *******************************************************************************/ 22 23 #ifndef _QUANTIZE_H_ 24 #define _QUANTIZE_H_ 25 #include "typedefs.h" 26 27 /* quantizing */ 28 29 #define MAX_QUANT 8191 30 31 void QuantizeSpectrum(Word16 sfbCnt, 32 Word16 maxSfbPerGroup, 33 Word16 sfbPerGroup, 34 Word16 *sfbOffset, Word32 *mdctSpectrum, 35 Word16 globalGain, Word16 *scalefactors, 36 Word16 *quantizedSpectrum); 37 38 Word32 calcSfbDist(const Word32 *spec, 39 Word16 sfbWidth, 40 Word16 gain); 41 42 #endif /* _QUANTIZE_H_ */ 43