1e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard/* 2e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard ** Copyright 2003-2010, VisualOn, Inc. 3e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard ** 4e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard ** Licensed under the Apache License, Version 2.0 (the "License"); 5e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard ** you may not use this file except in compliance with the License. 6e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard ** You may obtain a copy of the License at 7e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard ** 8e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard ** http://www.apache.org/licenses/LICENSE-2.0 9e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard ** 10e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard ** Unless required by applicable law or agreed to in writing, software 11e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard ** distributed under the License is distributed on an "AS IS" BASIS, 12e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard ** See the License for the specific language governing permissions and 14e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard ** limitations under the License. 15e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard */ 16e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard/******************************************************************************* 17e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard File: dyn_bits.h 18e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard 19e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard Content: Noiseless coder module structure and functions 20e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard 21956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong*******************************************************************************/ 22956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 23956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#ifndef __DYN_BITS_H 24956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#define __DYN_BITS_H 25956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 26956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#include "psy_const.h" 27956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#include "tns.h" 28956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#include "bit_cnt.h" 29956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 30956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 31956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 32956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#define MAX_SECTIONS MAX_GROUPED_SFB 33956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#define SECT_ESC_VAL_LONG 31 34956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#define SECT_ESC_VAL_SHORT 7 35956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#define CODE_BOOK_BITS 4 36956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#define SECT_BITS_LONG 5 37956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#define SECT_BITS_SHORT 3 38956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 39956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dongtypedef struct 40956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong{ 41956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 codeBook; 42956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 sfbStart; 43956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 sfbCnt; 44956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 sectionBits; 45956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong} 46956c553ab0ce72f8074ad0fda2ffd66a0305700cJames DongSECTION_INFO; 47956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 48956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 49956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 50956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 51956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dongtypedef struct 52956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong{ 53956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 blockType; 54956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 noOfGroups; 55956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 sfbCnt; 56956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 maxSfbPerGroup; 57956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 sfbPerGroup; 58956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 noOfSections; 59956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong SECTION_INFO sectionInfo[MAX_SECTIONS]; 60956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 sideInfoBits; /* sectioning bits */ 61956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 huffmanBits; /* huffman coded bits */ 62956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 scalefacBits; /* scalefac coded bits */ 63956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 firstScf; /* first scf to be coded */ 64956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 bitLookUp[MAX_SFB_LONG*(CODE_BOOK_ESC_NDX+1)]; 65956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 mergeGainLookUp[MAX_SFB_LONG]; 66956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong} 67956c553ab0ce72f8074ad0fda2ffd66a0305700cJames DongSECTION_DATA; /* Word16 size: 10 + 60(MAX_SECTIONS)*4(SECTION_INFO) + 51(MAX_SFB_LONG)*12(CODE_BOOK_ESC_NDX+1) + 51(MAX_SFB_LONG) = 913 */ 68956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 69956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 70956c553ab0ce72f8074ad0fda2ffd66a0305700cJames DongWord16 BCInit(void); 71956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 72956c553ab0ce72f8074ad0fda2ffd66a0305700cJames DongWord16 dynBitCount(const Word16 *quantSpectrum, 73956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const UWord16 *maxValueInSfb, 74956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const Word16 *scalefac, 75956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const Word16 blockType, 76956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const Word16 sfbCnt, 77956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const Word16 maxSfbPerGroup, 78956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const Word16 sfbPerGroup, 79956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const Word16 *sfbOffset, 80956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong SECTION_DATA *sectionData); 81956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 82956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#endif 83