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: interface.c 18e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard 19e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard Content: Interface psychoaccoustic/quantizer functions 20e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard 21956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong*******************************************************************************/ 22956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 23e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard#include "basic_op.h" 24e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard#include "oper_32b.h" 25956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#include "psy_const.h" 26956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong#include "interface.h" 27956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 28956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong/***************************************************************************** 29956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong* 30956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong* function name: BuildInterface 31956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong* description: update output parameter 32956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong* 33956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong**********************************************************************************/ 34956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dongvoid BuildInterface(Word32 *groupedMdctSpectrum, 35956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const Word16 mdctScale, 36956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong SFB_THRESHOLD *groupedSfbThreshold, 37956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong SFB_ENERGY *groupedSfbEnergy, 38956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong SFB_ENERGY *groupedSfbSpreadedEnergy, 39956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const SFB_ENERGY_SUM sfbEnergySumLR, 40956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const SFB_ENERGY_SUM sfbEnergySumMS, 41956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const Word16 windowSequence, 42956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const Word16 windowShape, 43956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const Word16 groupedSfbCnt, 44956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const Word16 *groupedSfbOffset, 45956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const Word16 maxSfbPerGroup, 46956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const Word16 *groupedSfbMinSnr, 47956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const Word16 noOfGroups, 48956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong const Word16 *groupLen, 49956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong PSY_OUT_CHANNEL *psyOutCh) 50956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong{ 51956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word32 j; 52b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard Word32 grp; 53e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard Word32 mask; 54956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word16 *tmpV; 55956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 56956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong /* 57956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong copy values to psyOut 58956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong */ 59b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard psyOutCh->maxSfbPerGroup = maxSfbPerGroup; 60b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard psyOutCh->sfbCnt = groupedSfbCnt; 61956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong if(noOfGroups) 62956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong psyOutCh->sfbPerGroup = groupedSfbCnt/ noOfGroups; 63956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong else 64956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong psyOutCh->sfbPerGroup = 0x7fff; 65b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard psyOutCh->windowSequence = windowSequence; 66b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard psyOutCh->windowShape = windowShape; 67b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard psyOutCh->mdctScale = mdctScale; 68956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong psyOutCh->mdctSpectrum = groupedMdctSpectrum; 69956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong psyOutCh->sfbEnergy = groupedSfbEnergy->sfbLong; 70956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong psyOutCh->sfbThreshold = groupedSfbThreshold->sfbLong; 71956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong psyOutCh->sfbSpreadedEnergy = groupedSfbSpreadedEnergy->sfbLong; 72b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard 73e2e838afcf03e603a41a0455846eaf9614537c16Mans Rullgard tmpV = psyOutCh->sfbOffsets; 74956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong for(j=0; j<groupedSfbCnt + 1; j++) { 75956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong *tmpV++ = groupedSfbOffset[j]; 76956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong } 77b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard 78956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong tmpV = psyOutCh->sfbMinSnr; 79956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong for(j=0;j<groupedSfbCnt; j++) { 80956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong *tmpV++ = groupedSfbMinSnr[j]; 81956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong } 82b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard 83956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong /* generate grouping mask */ 84b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard mask = 0; 85956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong for (grp = 0; grp < noOfGroups; grp++) { 86956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong mask = mask << 1; 87956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong for (j=1; j<groupLen[grp]; j++) { 88956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong mask = mask << 1; 89b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard mask |= 1; 90956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong } 91956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong } 92b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard psyOutCh->groupingMask = mask; 93b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard 94956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong if (windowSequence != SHORT_WINDOW) { 95b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard psyOutCh->sfbEnSumLR = sfbEnergySumLR.sfbLong; 96b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard psyOutCh->sfbEnSumMS = sfbEnergySumMS.sfbLong; 97956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong } 98956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong else { 99956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word32 i; 100956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong Word32 accuSumMS=0; 101b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard Word32 accuSumLR=0; 1029fc4dfb69df0b5a13b7a1904272eb1dcf8113d0cMartin Storsjo const Word32 *pSumMS = sfbEnergySumMS.sfbShort; 1039fc4dfb69df0b5a13b7a1904272eb1dcf8113d0cMartin Storsjo const Word32 *pSumLR = sfbEnergySumLR.sfbShort; 104956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong 105956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong for (i=TRANS_FAC; i; i--) { 106956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong accuSumLR = L_add(accuSumLR, *pSumLR); pSumLR++; 107956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong accuSumMS = L_add(accuSumMS, *pSumMS); pSumMS++; 108956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong } 109b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard psyOutCh->sfbEnSumMS = accuSumMS; 110b676a05348e4c516fa8b57e33b10548e6142c3f8Mans Rullgard psyOutCh->sfbEnSumLR = accuSumLR; 111956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong } 112956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong} 113