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43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
13 years ago
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/*
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** Copyright 2003-2010, VisualOn, Inc.
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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/*******************************************************************************
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File: quantize.h
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Content: Quantization functions
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*******************************************************************************/
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#ifndef _QUANTIZE_H_
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#define _QUANTIZE_H_
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#include "typedefs.h"
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/* quantizing */
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#define MAX_QUANT 8191
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void QuantizeSpectrum(Word16 sfbCnt,
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Word16 maxSfbPerGroup,
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Word16 sfbPerGroup,
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Word16 *sfbOffset, Word32 *mdctSpectrum,
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Word16 globalGain, Word16 *scalefactors,
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Word16 *quantizedSpectrum);
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Word32 calcSfbDist(const Word32 *spec,
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Word16 sfbWidth,
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Word16 gain);
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#endif /* _QUANTIZE_H_ */
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