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/*
** Copyright 2003-2010, VisualOn, Inc.
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
/*******************************************************************************
File: bit_cnt.h
Content: Huffman Bitcounter & coder structure and functions
*******************************************************************************/
#ifndef __BITCOUNT_H
#define __BITCOUNT_H
#include "bitbuffer.h"
#include "basic_op.h"
#define INVALID_BITCOUNT (MAX_16/4)
/*
code book number table
*/
enum codeBookNo{
CODE_BOOK_ZERO_NO= 0,
CODE_BOOK_1_NO= 1,
CODE_BOOK_2_NO= 2,
CODE_BOOK_3_NO= 3,
CODE_BOOK_4_NO= 4,
CODE_BOOK_5_NO= 5,
CODE_BOOK_6_NO= 6,
CODE_BOOK_7_NO= 7,
CODE_BOOK_8_NO= 8,
CODE_BOOK_9_NO= 9,
CODE_BOOK_10_NO= 10,
CODE_BOOK_ESC_NO= 11,
CODE_BOOK_RES_NO= 12,
CODE_BOOK_PNS_NO= 13
};
/*
code book index table
*/
enum codeBookNdx{
CODE_BOOK_ZERO_NDX=0,
CODE_BOOK_1_NDX,
CODE_BOOK_2_NDX,
CODE_BOOK_3_NDX,
CODE_BOOK_4_NDX,
CODE_BOOK_5_NDX,
CODE_BOOK_6_NDX,
CODE_BOOK_7_NDX,
CODE_BOOK_8_NDX,
CODE_BOOK_9_NDX,
CODE_BOOK_10_NDX,
CODE_BOOK_ESC_NDX,
CODE_BOOK_RES_NDX,
CODE_BOOK_PNS_NDX,
NUMBER_OF_CODE_BOOKS
};
/*
code book lav table
*/
enum codeBookLav{
CODE_BOOK_ZERO_LAV=0,
CODE_BOOK_1_LAV=1,
CODE_BOOK_2_LAV=1,
CODE_BOOK_3_LAV=2,
CODE_BOOK_4_LAV=2,
CODE_BOOK_5_LAV=4,
CODE_BOOK_6_LAV=4,
CODE_BOOK_7_LAV=7,
CODE_BOOK_8_LAV=7,
CODE_BOOK_9_LAV=12,
CODE_BOOK_10_LAV=12,
CODE_BOOK_ESC_LAV=16,
CODE_BOOK_SCF_LAV=60,
CODE_BOOK_PNS_LAV=60
};
Word16 bitCount(const Word16 *aQuantSpectrum,
const Word16 noOfSpecLines,
Word16 maxVal,
Word16 *bitCountLut);
Word16 codeValues(Word16 *values, Word16 width, Word16 codeBook, HANDLE_BIT_BUF hBitstream);
Word16 bitCountScalefactorDelta(Word16 delta);
Word16 codeScalefactorDelta(Word16 scalefactor, HANDLE_BIT_BUF hBitstream);
#endif
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