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
31void QuantizeSpectrum(Word16 sfbCnt,
32                      Word16 maxSfbPerGroup,
33                      Word16 sfbPerGroup,
34                      Word16 *sfbOffset, Word32 *mdctSpectrum,
35                      Word16 globalGain, Word16 *scalefactors,
36                      Word16 *quantizedSpectrum);
37
38Word32 calcSfbDist(const Word32 *spec,
39                   Word16  sfbWidth,
40                   Word16  gain);
41
42#endif /* _QUANTIZE_H_ */
43