1219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard/* 2219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard ** Copyright 2003-2010, VisualOn, Inc. 3219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard ** 4219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard ** Licensed under the Apache License, Version 2.0 (the "License"); 5219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard ** you may not use this file except in compliance with the License. 6219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard ** You may obtain a copy of the License at 7219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard ** 8219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard ** http://www.apache.org/licenses/LICENSE-2.0 9219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard ** 10219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard ** Unless required by applicable law or agreed to in writing, software 11219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard ** distributed under the License is distributed on an "AS IS" BASIS, 12219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard ** See the License for the specific language governing permissions and 14219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard ** limitations under the License. 15219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard */ 16219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard/******************************************************************************* 17219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard File: interface.c 18219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard 19219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard Content: Interface psychoaccoustic/quantizer functions 20219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard 2117299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong*******************************************************************************/ 2217299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong 23219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard#include "basic_op.h" 24219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard#include "oper_32b.h" 2517299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong#include "psy_const.h" 2617299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong#include "interface.h" 2717299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong 2817299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong/***************************************************************************** 2917299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong* 3017299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong* function name: BuildInterface 3117299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong* description: update output parameter 3217299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong* 3317299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong**********************************************************************************/ 3417299ab50ceb70d904e610e3b2d7fb2361a11e03James Dongvoid BuildInterface(Word32 *groupedMdctSpectrum, 3517299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong const Word16 mdctScale, 3617299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong SFB_THRESHOLD *groupedSfbThreshold, 3717299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong SFB_ENERGY *groupedSfbEnergy, 3817299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong SFB_ENERGY *groupedSfbSpreadedEnergy, 3917299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong const SFB_ENERGY_SUM sfbEnergySumLR, 4017299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong const SFB_ENERGY_SUM sfbEnergySumMS, 4117299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong const Word16 windowSequence, 4217299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong const Word16 windowShape, 4317299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong const Word16 groupedSfbCnt, 4417299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong const Word16 *groupedSfbOffset, 4517299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong const Word16 maxSfbPerGroup, 4617299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong const Word16 *groupedSfbMinSnr, 4717299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong const Word16 noOfGroups, 4817299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong const Word16 *groupLen, 4917299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong PSY_OUT_CHANNEL *psyOutCh) 5017299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong{ 5117299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong Word32 j; 5217299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong Word32 grp; 53219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard Word32 mask; 5417299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong Word16 *tmpV; 5517299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong 5617299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong /* 5717299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong copy values to psyOut 5817299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong */ 5917299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong psyOutCh->maxSfbPerGroup = maxSfbPerGroup; 6017299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong psyOutCh->sfbCnt = groupedSfbCnt; 6117299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong if(noOfGroups) 6217299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong psyOutCh->sfbPerGroup = groupedSfbCnt/ noOfGroups; 6317299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong else 6417299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong psyOutCh->sfbPerGroup = 0x7fff; 6517299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong psyOutCh->windowSequence = windowSequence; 6617299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong psyOutCh->windowShape = windowShape; 6717299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong psyOutCh->mdctScale = mdctScale; 6817299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong psyOutCh->mdctSpectrum = groupedMdctSpectrum; 6917299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong psyOutCh->sfbEnergy = groupedSfbEnergy->sfbLong; 7017299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong psyOutCh->sfbThreshold = groupedSfbThreshold->sfbLong; 7117299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong psyOutCh->sfbSpreadedEnergy = groupedSfbSpreadedEnergy->sfbLong; 7217299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong 73219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard tmpV = psyOutCh->sfbOffsets; 7417299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong for(j=0; j<groupedSfbCnt + 1; j++) { 7517299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong *tmpV++ = groupedSfbOffset[j]; 7617299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong } 77219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard 7817299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong tmpV = psyOutCh->sfbMinSnr; 7917299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong for(j=0;j<groupedSfbCnt; j++) { 8017299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong *tmpV++ = groupedSfbMinSnr[j]; 8117299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong } 8217299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong 8317299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong /* generate grouping mask */ 8417299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong mask = 0; 8517299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong for (grp = 0; grp < noOfGroups; grp++) { 8617299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong mask = mask << 1; 8717299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong for (j=1; j<groupLen[grp]; j++) { 8817299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong mask = mask << 1; 8917299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong mask |= 1; 9017299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong } 9117299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong } 9217299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong psyOutCh->groupingMask = mask; 9317299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong 9417299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong if (windowSequence != SHORT_WINDOW) { 9517299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong psyOutCh->sfbEnSumLR = sfbEnergySumLR.sfbLong; 9617299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong psyOutCh->sfbEnSumMS = sfbEnergySumMS.sfbLong; 9717299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong } 9817299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong else { 9917299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong Word32 i; 10017299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong Word32 accuSumMS=0; 101219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard Word32 accuSumLR=0; 102219e2627f1e062c10645664b0d2470d4dfaf5083Mans Rullgard Word32 *pSumMS = sfbEnergySumMS.sfbShort; 10317299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong Word32 *pSumLR = sfbEnergySumLR.sfbShort; 10417299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong 10517299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong for (i=TRANS_FAC; i; i--) { 10617299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong accuSumLR = L_add(accuSumLR, *pSumLR); pSumLR++; 10717299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong accuSumMS = L_add(accuSumMS, *pSumMS); pSumMS++; 10817299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong } 10917299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong psyOutCh->sfbEnSumMS = accuSumMS; 11017299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong psyOutCh->sfbEnSumLR = accuSumLR; 11117299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong } 11217299ab50ceb70d904e610e3b2d7fb2361a11e03James Dong} 113