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107 lines
2.6 KiB
C
107 lines
2.6 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: bit_cnt.h
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Content: Huffman Bitcounter & coder structure and functions
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*******************************************************************************/
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#ifndef __BITCOUNT_H
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#define __BITCOUNT_H
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#include "bitbuffer.h"
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#include "basic_op.h"
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#define INVALID_BITCOUNT (MAX_16/4)
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/*
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code book number table
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*/
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enum codeBookNo{
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CODE_BOOK_ZERO_NO= 0,
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CODE_BOOK_1_NO= 1,
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CODE_BOOK_2_NO= 2,
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CODE_BOOK_3_NO= 3,
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CODE_BOOK_4_NO= 4,
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CODE_BOOK_5_NO= 5,
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CODE_BOOK_6_NO= 6,
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CODE_BOOK_7_NO= 7,
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CODE_BOOK_8_NO= 8,
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CODE_BOOK_9_NO= 9,
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CODE_BOOK_10_NO= 10,
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CODE_BOOK_ESC_NO= 11,
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CODE_BOOK_RES_NO= 12,
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CODE_BOOK_PNS_NO= 13
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};
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/*
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code book index table
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*/
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enum codeBookNdx{
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CODE_BOOK_ZERO_NDX=0,
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CODE_BOOK_1_NDX,
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CODE_BOOK_2_NDX,
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CODE_BOOK_3_NDX,
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CODE_BOOK_4_NDX,
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CODE_BOOK_5_NDX,
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CODE_BOOK_6_NDX,
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CODE_BOOK_7_NDX,
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CODE_BOOK_8_NDX,
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CODE_BOOK_9_NDX,
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CODE_BOOK_10_NDX,
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CODE_BOOK_ESC_NDX,
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CODE_BOOK_RES_NDX,
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CODE_BOOK_PNS_NDX,
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NUMBER_OF_CODE_BOOKS
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};
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/*
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code book lav table
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*/
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enum codeBookLav{
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CODE_BOOK_ZERO_LAV=0,
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CODE_BOOK_1_LAV=1,
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CODE_BOOK_2_LAV=1,
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CODE_BOOK_3_LAV=2,
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CODE_BOOK_4_LAV=2,
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CODE_BOOK_5_LAV=4,
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CODE_BOOK_6_LAV=4,
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CODE_BOOK_7_LAV=7,
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CODE_BOOK_8_LAV=7,
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CODE_BOOK_9_LAV=12,
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CODE_BOOK_10_LAV=12,
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CODE_BOOK_ESC_LAV=16,
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CODE_BOOK_SCF_LAV=60,
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CODE_BOOK_PNS_LAV=60
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};
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Word16 bitCount(const Word16 *aQuantSpectrum,
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const Word16 noOfSpecLines,
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Word16 maxVal,
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Word16 *bitCountLut);
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Word16 codeValues(Word16 *values, Word16 width, Word16 codeBook, HANDLE_BIT_BUF hBitstream);
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Word16 bitCountScalefactorDelta(Word16 delta);
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Word16 codeScalefactorDelta(Word16 scalefactor, HANDLE_BIT_BUF hBitstream);
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#endif
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