113 lines
3.8 KiB
C
113 lines
3.8 KiB
C
/*
|
|
** Copyright 2003-2010, VisualOn, Inc.
|
|
**
|
|
** Licensed under the Apache License, Version 2.0 (the "License");
|
|
** you may not use this file except in compliance with the License.
|
|
** You may obtain a copy of the License at
|
|
**
|
|
** http://www.apache.org/licenses/LICENSE-2.0
|
|
**
|
|
** Unless required by applicable law or agreed to in writing, software
|
|
** distributed under the License is distributed on an "AS IS" BASIS,
|
|
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
** See the License for the specific language governing permissions and
|
|
** limitations under the License.
|
|
*/
|
|
/*******************************************************************************
|
|
File: interface.c
|
|
|
|
Content: Interface psychoaccoustic/quantizer functions
|
|
|
|
*******************************************************************************/
|
|
|
|
#include "basic_op.h"
|
|
#include "oper_32b.h"
|
|
#include "psy_const.h"
|
|
#include "interface.h"
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* function name: BuildInterface
|
|
* description: update output parameter
|
|
*
|
|
**********************************************************************************/
|
|
void BuildInterface(Word32 *groupedMdctSpectrum,
|
|
const Word16 mdctScale,
|
|
SFB_THRESHOLD *groupedSfbThreshold,
|
|
SFB_ENERGY *groupedSfbEnergy,
|
|
SFB_ENERGY *groupedSfbSpreadedEnergy,
|
|
const SFB_ENERGY_SUM sfbEnergySumLR,
|
|
const SFB_ENERGY_SUM sfbEnergySumMS,
|
|
const Word16 windowSequence,
|
|
const Word16 windowShape,
|
|
const Word16 groupedSfbCnt,
|
|
const Word16 *groupedSfbOffset,
|
|
const Word16 maxSfbPerGroup,
|
|
const Word16 *groupedSfbMinSnr,
|
|
const Word16 noOfGroups,
|
|
const Word16 *groupLen,
|
|
PSY_OUT_CHANNEL *psyOutCh)
|
|
{
|
|
Word32 j;
|
|
Word32 grp;
|
|
Word32 mask;
|
|
Word16 *tmpV;
|
|
|
|
/*
|
|
copy values to psyOut
|
|
*/
|
|
psyOutCh->maxSfbPerGroup = maxSfbPerGroup;
|
|
psyOutCh->sfbCnt = groupedSfbCnt;
|
|
if(noOfGroups)
|
|
psyOutCh->sfbPerGroup = groupedSfbCnt/ noOfGroups;
|
|
else
|
|
psyOutCh->sfbPerGroup = 0x7fff;
|
|
psyOutCh->windowSequence = windowSequence;
|
|
psyOutCh->windowShape = windowShape;
|
|
psyOutCh->mdctScale = mdctScale;
|
|
psyOutCh->mdctSpectrum = groupedMdctSpectrum;
|
|
psyOutCh->sfbEnergy = groupedSfbEnergy->sfbLong;
|
|
psyOutCh->sfbThreshold = groupedSfbThreshold->sfbLong;
|
|
psyOutCh->sfbSpreadedEnergy = groupedSfbSpreadedEnergy->sfbLong;
|
|
|
|
tmpV = psyOutCh->sfbOffsets;
|
|
for(j=0; j<groupedSfbCnt + 1; j++) {
|
|
*tmpV++ = groupedSfbOffset[j];
|
|
}
|
|
|
|
tmpV = psyOutCh->sfbMinSnr;
|
|
for(j=0;j<groupedSfbCnt; j++) {
|
|
*tmpV++ = groupedSfbMinSnr[j];
|
|
}
|
|
|
|
/* generate grouping mask */
|
|
mask = 0;
|
|
for (grp = 0; grp < noOfGroups; grp++) {
|
|
mask = mask << 1;
|
|
for (j=1; j<groupLen[grp]; j++) {
|
|
mask = mask << 1;
|
|
mask |= 1;
|
|
}
|
|
}
|
|
psyOutCh->groupingMask = mask;
|
|
|
|
if (windowSequence != SHORT_WINDOW) {
|
|
psyOutCh->sfbEnSumLR = sfbEnergySumLR.sfbLong;
|
|
psyOutCh->sfbEnSumMS = sfbEnergySumMS.sfbLong;
|
|
}
|
|
else {
|
|
Word32 i;
|
|
Word32 accuSumMS=0;
|
|
Word32 accuSumLR=0;
|
|
const Word32 *pSumMS = sfbEnergySumMS.sfbShort;
|
|
const Word32 *pSumLR = sfbEnergySumLR.sfbShort;
|
|
|
|
for (i=TRANS_FAC; i; i--) {
|
|
accuSumLR = L_add(accuSumLR, *pSumLR); pSumLR++;
|
|
accuSumMS = L_add(accuSumMS, *pSumMS); pSumMS++;
|
|
}
|
|
psyOutCh->sfbEnSumMS = accuSumMS;
|
|
psyOutCh->sfbEnSumLR = accuSumLR;
|
|
}
|
|
}
|