200   int sfb;  in FDKaacEnc_PnsDetect()  local
208       for (sfb=0; sfb<MAX_GROUPED_SFB; sfb++) {  in FDKaacEnc_PnsDetect()
209 …        noiseNrg[sfb] = NO_NOISE_PNS;                           /* clear nrg's of previous frame */  in FDKaacEnc_PnsDetect()
221         for (sfb = 0; sfb < sfbActive; sfb++) {  in FDKaacEnc_PnsDetect()
222           pnsData->pnsFlag[sfb] = 0;    /* clear all pnsFlags */  in FDKaacEnc_PnsDetect()
246   for(sfb = 0; sfb < sfbActive; sfb++) {  in FDKaacEnc_PnsDetect()
249     if(sfb < startNoiseSfb){  in FDKaacEnc_PnsDetect()
250       pnsData->pnsFlag[sfb] = 0;  in FDKaacEnc_PnsDetect()
261     if((pnsData->noiseFuzzyMeasure[sfb] > FL2FXCONST_SGL(0.5)) &&  in FDKaacEnc_PnsDetect()
262 …( (sfbThresholdLdData[sfb] + FL2FXCONST_DBL(0.5849625f/64.0f))  /* thr * 1.5 = thrLd +ld(1.5)/64 */  in FDKaacEnc_PnsDetect()
263          < sfbEnergyLdData[sfb] ) )  in FDKaacEnc_PnsDetect()
269       pnsData->pnsFlag[sfb] = 1; /* PNS_ON */  in FDKaacEnc_PnsDetect()
272       pnsData->pnsFlag[sfb] = 0; /* PNS_OFF */  in FDKaacEnc_PnsDetect()
283   for(sfb=1; sfb<maxSfbPerGroup-1; sfb++) {  in FDKaacEnc_PnsDetect()
284     if((pnsData->noiseFuzzyMeasure[sfb]>pnsConf->np.gapFillThr) &&  in FDKaacEnc_PnsDetect()
285        (pnsData->pnsFlag[sfb-1]) && (pnsData->pnsFlag[sfb+1])) {  in FDKaacEnc_PnsDetect()
286       pnsData->pnsFlag[sfb] = 1;  in FDKaacEnc_PnsDetect()
306   for(sfb=1; sfb<maxSfbPerGroup-1; sfb++) {  in FDKaacEnc_PnsDetect()
307     if((pnsData->pnsFlag[sfb-1]==0)&&(pnsData->pnsFlag[sfb+1]==0)) {  in FDKaacEnc_PnsDetect()
308       pnsData->pnsFlag[sfb] = 0;  in FDKaacEnc_PnsDetect()
399   int sfb;  in FDKaacEnc_CalcNoiseNrgs()  local
402   for(sfb = 0; sfb < sfbActive; sfb++) {  in FDKaacEnc_CalcNoiseNrgs()
403     if(pnsFlag[sfb]) {  in FDKaacEnc_CalcNoiseNrgs()
404       INT nrg = (-sfbEnergyLdData[sfb]+FL2FXCONST_DBL(0.5f/64.0f))>>(DFRACT_BITS-1-7);  in FDKaacEnc_CalcNoiseNrgs()
405       noiseNrg[sfb] = tmp - nrg;  in FDKaacEnc_CalcNoiseNrgs()
432   INT sfb;  in FDKaacEnc_CodePnsChannel()  local
438     for(sfb = 0; sfb < sfbActive; sfb++) {  in FDKaacEnc_CodePnsChannel()
440       noiseNrg[sfb] = NO_NOISE_PNS;  in FDKaacEnc_CodePnsChannel()
446   for(sfb = 0; sfb < sfbActive; sfb++) {  in FDKaacEnc_CodePnsChannel()
447     if(pnsFlag[sfb]) {  in FDKaacEnc_CodePnsChannel()
449       if(noiseNrg[sfb] != NO_NOISE_PNS)  in FDKaacEnc_CodePnsChannel()
450         sfbThresholdLdData[sfb] = sfbEnergyLdData[sfb] + FL2FXCONST_DBL(1.0f/LD_DATA_SCALING);  in FDKaacEnc_CodePnsChannel()
454         INT deltaiNoiseEnergy = noiseNrg[sfb] - lastiNoiseEnergy;  in FDKaacEnc_CodePnsChannel()
457             noiseNrg[sfb] -= deltaiNoiseEnergy - CODE_BOOK_PNS_LAV;  in FDKaacEnc_CodePnsChannel()
459             noiseNrg[sfb] -= deltaiNoiseEnergy + CODE_BOOK_PNS_LAV;  in FDKaacEnc_CodePnsChannel()
464       lastiNoiseEnergy = noiseNrg[sfb];  in FDKaacEnc_CodePnsChannel()
468       noiseNrg[sfb] = NO_NOISE_PNS;  in FDKaacEnc_CodePnsChannel()
499   INT sfb;  in FDKaacEnc_PreProcessPnsChannelPair()  local
508   for(sfb=0;sfb< sfbActive;sfb++) {  in FDKaacEnc_PreProcessPnsChannelPair()
509     FIXP_DBL quot = (sfbEnergyLeftLD[sfb]>>1) + (sfbEnergyRightLD[sfb]>>1);  in FDKaacEnc_PreProcessPnsChannelPair()
514       FIXP_DBL accu = sfbEnergyMid[sfb]- (((sfbEnergyLeft[sfb]>>1)+(sfbEnergyRight[sfb]>>1))>>1);  in FDKaacEnc_PreProcessPnsChannelPair()
522     pNoiseEnergyCorrelationL[sfb] = ccf;  in FDKaacEnc_PreProcessPnsChannelPair()
523     pNoiseEnergyCorrelationR[sfb] = ccf;  in FDKaacEnc_PreProcessPnsChannelPair()
552   INT sfb;  in FDKaacEnc_PostProcessPnsChannelPair()  local
557   for(sfb=0;sfb<sfbActive;sfb++) {  in FDKaacEnc_PostProcessPnsChannelPair()
561     if( msMask[sfb] ) {  in FDKaacEnc_PostProcessPnsChannelPair()
562       if( (pnsDataLeft->pnsFlag[sfb]) &&  in FDKaacEnc_PostProcessPnsChannelPair()
563           (pnsDataRight->pnsFlag[sfb]) ) {  in FDKaacEnc_PostProcessPnsChannelPair()
566         if(pnsDataLeft->noiseEnergyCorrelation[sfb] <= pnsConf->noiseCorrelationThresh){  in FDKaacEnc_PostProcessPnsChannelPair()
567           msMask[sfb] = 0;  in FDKaacEnc_PostProcessPnsChannelPair()
575         pnsDataLeft->pnsFlag[sfb] = 0;  in FDKaacEnc_PostProcessPnsChannelPair()
576         pnsDataRight->pnsFlag[sfb] = 0;  in FDKaacEnc_PostProcessPnsChannelPair()
584     if( (pnsDataLeft->pnsFlag[sfb]) && (pnsDataRight->pnsFlag[sfb]) ) {  in FDKaacEnc_PostProcessPnsChannelPair()
585       if(pnsDataLeft->noiseEnergyCorrelation[sfb] > pnsConf->noiseCorrelationThresh) {  in FDKaacEnc_PostProcessPnsChannelPair()
586         msMask[sfb] = 1;  in FDKaacEnc_PostProcessPnsChannelPair()