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: tns.h 18e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard 19e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard Content: TNS structures 20e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard 21956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong*******************************************************************************/ 22956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 23956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#ifndef _TNS_H 24956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#define _TNS_H 25e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard 26956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#include "typedef.h" 27956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#include "psy_const.h" 28956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 29956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 30956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 31956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#define TNS_MAX_ORDER 12 32956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#define TNS_MAX_ORDER_SHORT 5 33956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 34956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#define FILTER_DIRECTION 0 35956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 36956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dongtypedef struct{ /*stuff that is tabulated dependent on bitrate etc. */ 37956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 threshOn; /* min. prediction gain for using tns TABUL * 100*/ 38956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word32 lpcStartFreq; /* lowest freq for lpc TABUL*/ 39956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word32 lpcStopFreq; /* TABUL */ 40956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word32 tnsTimeResolution; 41956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong}TNS_CONFIG_TABULATED; 42956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 43956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 44956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dongtypedef struct { /*assigned at InitTime*/ 45956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 tnsActive; 46956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 tnsMaxSfb; 47956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 48956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 maxOrder; /* max. order of tns filter */ 49956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 tnsStartFreq; /* lowest freq. for tns filtering */ 50956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 coefRes; 51956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 52956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong TNS_CONFIG_TABULATED confTab; 53956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 54956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word32 acfWindow[TNS_MAX_ORDER+1]; 55956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 56956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 tnsStartBand; 57956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 tnsStartLine; 58956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 59956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 tnsStopBand; 60956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 tnsStopLine; 61956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 62956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 lpcStartBand; 63956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 lpcStartLine; 64956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 65956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 lpcStopBand; 66956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 lpcStopLine; 67956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 68956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 tnsRatioPatchLowestCb; 69956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 tnsModifyBeginCb; 70956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 71956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 threshold; /* min. prediction gain for using tns TABUL * 100 */ 72956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 73956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong}TNS_CONFIG; 74956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 75956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 76956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dongtypedef struct { 77956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 tnsActive; 78956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word32 parcor[TNS_MAX_ORDER]; 79956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 predictionGain; 80956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong} TNS_SUBBLOCK_INFO; /* Word16 size: 26 */ 81956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 82956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dongtypedef struct{ 83956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong TNS_SUBBLOCK_INFO subBlockInfo[TRANS_FAC]; 84956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong} TNS_DATA_SHORT; 85956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 86956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dongtypedef struct{ 87956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong TNS_SUBBLOCK_INFO subBlockInfo; 88956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong} TNS_DATA_LONG; 89956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 90956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dongtypedef struct{ 91956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong TNS_DATA_LONG tnsLong; 92956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong TNS_DATA_SHORT tnsShort; 93956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong}TNS_DATA_RAW; 94956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 95956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dongtypedef struct{ 96956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 numOfSubblocks; 97956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong TNS_DATA_RAW dataRaw; 98956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong}TNS_DATA; /* Word16 size: 1 + 8*26 + 26 = 235 */ 99956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 100956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dongtypedef struct{ 101956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 tnsActive[TRANS_FAC]; 102956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 coefRes[TRANS_FAC]; 103956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 length[TRANS_FAC]; 104956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 order[TRANS_FAC]; 105956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 coef[TRANS_FAC*TNS_MAX_ORDER_SHORT]; 106956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong}TNS_INFO; /* Word16 size: 72 */ 107956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 108956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#endif /* _TNS_H */ 109