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decg729.c
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/*/////////////////////////////////////////////////////////////////////////////
//
// INTEL CORPORATION PROPRIETARY INFORMATION
// This software is supplied under the terms of a license agreement or
// nondisclosure agreement with Intel Corporation and may not be copied
// or disclosed except in accordance with the terms of that agreement.
// Copyright(c) 2005-2008 Intel Corporation. All Rights Reserved.
//
// Intel(R) Integrated Performance Primitives
// USC - Unified Speech Codec interface library
//
// By downloading and installing USC codec, you hereby agree that the
// accompanying Materials are being provided to you under the terms and
// conditions of the End User License Agreement for the Intel(R) Integrated
// Performance Primitives product previously accepted by you. Please refer
// to the file ippEULA.rtf or ippEULA.txt located in the root directory of your Intel(R) IPP
// product installation for more information.
//
// A speech coding standards promoted by ITU, ETSI, 3GPP and other
// organizations. Implementations of these standards, or the standard enabled
// platforms may require licenses from various entities, including
// Intel Corporation.
//
//
// Purpose: G.729/A/B/D/E speech codec: decoder API functions.
//
*/
#include <ippsc.h>
#include "owng729.h"
/* HPF coefficients */
static __ALIGN32 CONST Ipp16s tab1[3] = {
7699,
-15398,
7699};
static __ALIGN32 CONST Ipp16s tab2[3] = {BWF_HARMONIC_E, 15836, -7667};
static __ALIGN32 CONST Ipp16s lspSID_init[LPF_DIM] = {31441, 27566, 21458, 13612,
4663, -4663, -13612,
-21458, -27566, -31441};
static __ALIGN32 CONST Ipp16s tab3[32] = {
1, 3, 8, 6, 18, 16,
11, 13, 38, 36, 31, 33,
21, 23, 28, 26, 0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0};
static __ALIGN32 CONST Ipp16s tab4[32] = {
0, 2, 5, 4, 12, 10, 7, 9, 25,
24, 20, 22, 14, 15, 19, 17,
36, 31, 21, 26, 1, 6, 16, 11,
27, 29, 32, 30, 39, 37, 34, 35};
static Ipp32s DecoderObjSize(void) {
Ipp32s fltSize;
Ipp32s objSize = sizeof(G729Decoder_Obj);
ippsHighPassFilterSize_G729(&fltSize);
objSize += fltSize; /* provide memory for postprocessing high pass filter with upscaling */
SynthesisFilterSize_G729(&fltSize);
objSize += 2 * fltSize;/* provide memory for two synthesis filters */
ippsPhaseDispersionGetStateSize_G729D_16s(&fltSize);
objSize += fltSize; /* provide memory for phase dispersion */
objSize += 4*32;
return objSize;
}
G729_CODECFUN( APIG729_Status, apiG729Decoder_Alloc,
(G729Codec_Type codecType, Ipp32s *pCodecSize)) {
if((codecType != G729_CODEC)&&(codecType != G729A_CODEC)
&&(codecType != G729D_CODEC)&&(codecType != G729E_CODEC)&&(codecType != G729I_CODEC)) {
return APIG729_StsBadCodecType;
}
*pCodecSize = DecoderObjSize();
return APIG729_StsNoErr;
}
G729_CODECFUN( APIG729_Status, apiG729Decoder_Init,
(G729Decoder_Obj* decoderObj, G729Codec_Type codecType)) {
Ipp32s i,fltSize;
Ipp16s abDec[6];
Ipp8s* oldMemBuff;
if((codecType != G729_CODEC)&&(codecType != G729A_CODEC)
&&(codecType != G729D_CODEC)&&(codecType != G729E_CODEC)&&(codecType != G729I_CODEC)) {
return APIG729_StsBadCodecType;
}
oldMemBuff = decoderObj->Mem.base; /* if Reinit */
ippsZero_16s((Ipp16s*)decoderObj,sizeof(*decoderObj)>>1) ;
decoderObj->objPrm.objSize = DecoderObjSize();
decoderObj->objPrm.key = DEC_KEY;
decoderObj->objPrm.codecType=codecType;
decoderObj->codecType=codecType;
decoderObj->synFltw=NULL;
decoderObj->synFltw0=NULL;
decoderObj->PhDispMem=NULL;
decoderObj->postProc = (Ipp8s*)decoderObj + sizeof(G729Decoder_Obj);
decoderObj->postProc = IPP_ALIGNED_PTR(decoderObj->postProc, 16);
ippsHighPassFilterSize_G729(&fltSize);
decoderObj->synFltw = (Ipp8s*)decoderObj->postProc + fltSize;
decoderObj->synFltw = IPP_ALIGNED_PTR(decoderObj->synFltw, 16);
SynthesisFilterSize_G729(&fltSize);
decoderObj->synFltw0 = (Ipp8s*)decoderObj->synFltw + fltSize;
decoderObj->synFltw0 = IPP_ALIGNED_PTR(decoderObj->synFltw0, 16);
decoderObj->PhDispMem = (IppsPhaseDispersion_State_G729D*)((char*)decoderObj->synFltw0 + fltSize);
decoderObj->PhDispMem = IPP_ALIGNED_PTR(decoderObj->PhDispMem, 16);
abDec[0] = tab2[0];
abDec[1] = tab2[1];
abDec[2] = tab2[2];
abDec[3] = tab1[0];
abDec[4] = tab1[1];
abDec[5] = tab1[2];
for(i=0;i<4;i++) decoderObj->prevFrameQuantEn[i]=-14336;
ippsHighPassFilterInit_G729(abDec,decoderObj->postProc);
SynthesisFilterInit_G729(decoderObj->synFltw);
SynthesisFilterInit_G729(decoderObj->synFltw0);
ippsPhaseDispersionInit_G729D_16s(decoderObj->PhDispMem);
/* synthesis speech buffer*/
ippsZero_16s(decoderObj->LTPostFilt,TBWD_DIM);
decoderObj->voiceFlag=60;
ippsZero_16s(decoderObj->prevExcitat, L_prevExcitat);
decoderObj->betaPreFilter = PITCH_SHARP_MIN;
decoderObj->prevFrameDelay = 60;
decoderObj->gains[0] = 0;
decoderObj->gains[1] = 0;
for(i=0; i<LSP_MA_ORDER; i++)
ippsCopy_16s( &resetPrevLSP[0], &decoderObj->prevLSPfreq[i][0], LPF_DIM );
ippsCopy_16s(presetLSP, decoderObj->prevSubfrLSP, LPF_DIM );
ippsCopy_16s(resetPrevLSP, decoderObj->prevSubfrLSPquant, LPF_DIM);
decoderObj->preemphFilt = 0;
ippsZero_16s(decoderObj->resFilBuf1, MAX_PITCH_LAG+LP_SUBFRAME_DIM);
ippsZero_16s(decoderObj->zeroPostFiltVec1 + LPF_DIM+1, BWLPCF1_DIM/*IMP_RESP_LEN*/);
decoderObj->seedSavage = 21845;
decoderObj->seed = SEED_INIT;
decoderObj->CNGvar = 3;
decoderObj->pstFltMode = 1;
if(decoderObj->codecType == G729_CODEC ) {
decoderObj->gainExact = BWF_HARMONIC;
} else if( decoderObj->codecType == G729A_CODEC) {
decoderObj->gainExact = (1<<12);
decoderObj->CNGidx = 0;
decoderObj->SIDflag0 = 0;
decoderObj->SIDflag1 = 1;
ippsCopy_16s( lspSID_init, decoderObj->lspSID, LPF_DIM );
} else {
decoderObj->prevMA = 0;
decoderObj->gammaPost1 = BWF1_PST_E;
decoderObj->gammaPost2 = BWF2_PST_E;
decoderObj->gammaHarm = BWF_HARMONIC_E;
decoderObj->BWDcounter2 = 0;
decoderObj->FWDcounter2 = 0;
ippsZero_16s(decoderObj->pBwdLPC, BWLPCF1_DIM);
ippsZero_16s(decoderObj->pBwdLPC2, BWLPCF1_DIM);
decoderObj->pBwdLPC[0] = (1<<12);
decoderObj->pBwdLPC2[0] = (1<<12);
decoderObj->prevVoiceFlag = 0;
decoderObj->prevBFI = 0;
decoderObj->prevLPmode = 0;
decoderObj->interpCoeff2 = 0;
decoderObj->interpCoeff2_2 = 4506;
ippsZero_16s(decoderObj->pPrevFilt, BWLPCF1_DIM);
decoderObj->pPrevFilt[0] = (1<<12);
decoderObj->prevPitch = 30;
decoderObj->stat_pitch = 0;
ippsZero_16s(decoderObj->pPrevBwdLPC, BWLPCF1_DIM);
decoderObj->pPrevBwdLPC[0]= (1<<12);
ippsZero_16s(decoderObj->pPrevBwdRC, 2);
decoderObj->valGainAttenuation = IPP_MAX_16S;
decoderObj->BFIcount = 0;
decoderObj->BWDFrameCounter = 0;
decoderObj->gainExact = BWF_HARMONIC;
ippsWinHybridGetStateSize_G729E_16s(&fltSize);
if(fltSize > sizeof(Ipp32s)*BWLPCF1_DIM) {
return APIG729_StsNotInitialized;
}
ippsWinHybridInit_G729E_16s((IppsWinHybridState_G729E_16s*)&decoderObj->hwState);
decoderObj->SIDflag0 = 0;
decoderObj->SIDflag1 = 1;
decoderObj->CNGidx = 0;
ippsCopy_16s( lspSID_init, decoderObj->lspSID, LPF_DIM );
decoderObj->sidGain = SIDgain[0];
}
apiG729Decoder_InitBuff(decoderObj,oldMemBuff);
return APIG729_StsNoErr;
}
G729_CODECFUN( APIG729_Status, apiG729Decoder_InitBuff,
(G729Decoder_Obj* decoderObj, Ipp8s *buff)) {
if(NULL==decoderObj || NULL==buff)
return APIG729_StsBadArgErr;
decoderObj->Mem.base = buff;
decoderObj->Mem.CurPtr = decoderObj->Mem.base;
decoderObj->Mem.VecPtr = (Ipp32s *)(decoderObj->Mem.base+G729_ENCODER_SCRATCH_MEMORY_SIZE);
return APIG729_StsNoErr;
}
G729_CODECFUN( APIG729_Status, apiG729Decoder_Mode,
(G729Decoder_Obj* decoderObj, Ipp32s mode))
{
if(NULL==decoderObj)
return APIG729_StsBadArgErr;
decoderObj->pstFltMode = mode;
return APIG729_StsNoErr;
}
static APIG729_Status G729Decode
(G729Decoder_Obj* decoderObj,const Ipp8u* src, Ipp32s frametype, Ipp16s* dst);
static APIG729_Status G729ADecode
(G729Decoder_Obj* decoderObj,const Ipp8u* src, Ipp32s frametype, Ipp16s* dst);
static APIG729_Status G729BaseDecode
(G729Decoder_Obj* decoderObj,const Ipp8u* src, Ipp32s frametype, Ipp16s* dst);
G729_CODECFUN( APIG729_Status, apiG729Decode,
(G729Decoder_Obj* decoderObj,const Ipp8u* src, Ipp32s frametype, Ipp16s* dst)) {
if(decoderObj->codecType == G729A_CODEC) {
if(G729ADecode(decoderObj,src,frametype,dst) != APIG729_StsNoErr) {
return APIG729_StsErr;
}
} else if(decoderObj->codecType == G729_CODEC && frametype != 2 && frametype != 4) {
if(G729BaseDecode(decoderObj,src,frametype,dst) != APIG729_StsNoErr) {
return APIG729_StsErr;
}
} else {
if(G729Decode(decoderObj,src,frametype,dst) != APIG729_StsNoErr) {
return APIG729_StsErr;
}
}
return APIG729_StsNoErr;
}
APIG729_Status G729Decode
(G729Decoder_Obj* decoderObj,const Ipp8u* src, Ipp32s frametype, Ipp16s* dst) {
LOCAL_ALIGN_ARRAY(32, Ipp16s, AzDec, BWLPCF1_DIM*2,decoderObj);
LOCAL_ALIGN_ARRAY(32, Ipp16s, newLSP,LPF_DIM,decoderObj);
LOCAL_ALIGN_ARRAY(32, Ipp16s, ACELPcodeVec, LP_SUBFRAME_DIM,decoderObj);
LOCAL_ALIGN_ARRAY(32, Ipp16s, BWDfiltLPC, 2*BWLPCF1_DIM,decoderObj);
LOCAL_ALIGN_ARRAY(32, Ipp16s, FWDfiltLPC, 2*LPF_DIM+2,decoderObj);
LOCAL_ALIGN_ARRAY(32, Ipp16s, BWDrc,BWLPCF_DIM,decoderObj);
LOCAL_ALIGN_ARRAY(32, Ipp32s, BWDacf,BWLPCF1_DIM,decoderObj);
LOCAL_ALIGN_ARRAY(32, Ipp32s, BWDhighAcf,BWLPCF1_DIM,decoderObj);
LOCAL_ALIGN_ARRAY(32, Ipp16s, phaseDispExcit,LP_SUBFRAME_DIM,decoderObj);
LOCAL_ARRAY(Ipp16s, idx,4,decoderObj);
LOCAL_ARRAY(Ipp16s, delayVal,2,decoderObj);
LOCAL_ARRAY(Ipp16s, tmp_parm,5,decoderObj);
Ipp16s prevFrameDelay1=0; /* 1-st subframe pitch lag*/
Ipp16s subfrVoiceFlag, *pAz, *pA;
Ipp8s *synFltw = decoderObj->synFltw;
Ipp16s *prevExcitat = decoderObj->prevExcitat;
Ipp16s *excitation = prevExcitat + L_prevExcitat;
Ipp16s *synth = decoderObj->LTPostFilt+SYNTH_BWD_DIM;
Ipp16s *prevSubfrLSP = decoderObj->prevSubfrLSP;
const Ipp8u *pParm;
const Ipp16s *parm;
Ipp16s *ppAz, temp, badFrameIndicator, badPitch, index, pulseSign, gPl, gC;
Ipp16s voiceFlag = decoderObj->voiceFlag;
Ipp16s sidGain = decoderObj->sidGain;
Ipp16s gainNow = decoderObj->gainNow;
Ipp16s *lspSID = decoderObj->lspSID;
Ipp32s i, j, subfrIdx, index2, fType, gpVal=0, LPmode = 0;
Ipp16s satFilter, statStat, mAq, prevM, dominantBWDmode = 0, L_hSt;
IppStatus status;
if(NULL==decoderObj || NULL==src || NULL ==dst)
return APIG729_StsBadArgErr;
if((decoderObj->codecType != G729_CODEC)
&&(decoderObj->codecType != G729D_CODEC)&&(decoderObj->codecType != G729E_CODEC)&&(decoderObj->codecType != G729I_CODEC)) {
return APIG729_StsBadCodecType;
}
if(decoderObj->objPrm.objSize <= 0)
return APIG729_StsNotInitialized;
if(DEC_KEY != decoderObj->objPrm.key)
return APIG729_StsBadCodecType;
delayVal[0]=delayVal[1]=0;
pA = AzDec;
pParm = src;
if(frametype == -1) {
decoderObj->decPrm[1] = 0;
decoderObj->decPrm[0] = 1;
} else if(frametype == 0) {
decoderObj->decPrm[1] = 0;
decoderObj->decPrm[0] = 0;
} else if(frametype == 1) {
decoderObj->decPrm[1] = 1;
decoderObj->decPrm[0] = 0;
i=0;
decoderObj->decPrm[1+1] = ExtractBitsG729(&pParm,&i,1);
decoderObj->decPrm[1+2] = ExtractBitsG729(&pParm,&i,5);
decoderObj->decPrm[1+3] = ExtractBitsG729(&pParm,&i,4);
decoderObj->decPrm[1+4] = ExtractBitsG729(&pParm,&i,5);
} else if(frametype == 2) {
decoderObj->decPrm[0] = 0;
decoderObj->decPrm[1] = 2;
i=0;
decoderObj->decPrm[2] = ExtractBitsG729(&pParm,&i,1+FIR_STAGE_BITS);
decoderObj->decPrm[3] = ExtractBitsG729(&pParm,&i,SEC_STAGE_BITS*2);
decoderObj->decPrm[4] = ExtractBitsG729(&pParm,&i,8);
decoderObj->decPrm[5] = ExtractBitsG729(&pParm,&i,9);
decoderObj->decPrm[6] = ExtractBitsG729(&pParm,&i,2);
decoderObj->decPrm[7] = ExtractBitsG729(&pParm,&i,6);
decoderObj->decPrm[8] = ExtractBitsG729(&pParm,&i,4);
decoderObj->decPrm[9] = ExtractBitsG729(&pParm,&i,9);
decoderObj->decPrm[10] = ExtractBitsG729(&pParm,&i,2);
decoderObj->decPrm[11] = ExtractBitsG729(&pParm,&i,6);
decoderObj->codecType = G729D_CODEC;
} else if(frametype == 3) {
i=0;
decoderObj->decPrm[1] = 3;
decoderObj->decPrm[0] = 0;
decoderObj->decPrm[1+1] = ExtractBitsG729(&pParm,&i,1+FIR_STAGE_BITS);
decoderObj->decPrm[1+2] = ExtractBitsG729(&pParm,&i,SEC_STAGE_BITS*2);
decoderObj->decPrm[1+3] = ExtractBitsG729(&pParm,&i,8);
decoderObj->decPrm[1+4] = ExtractBitsG729(&pParm,&i,1);
decoderObj->decPrm[1+5] = ExtractBitsG729(&pParm,&i,13);
decoderObj->decPrm[1+6] = ExtractBitsG729(&pParm,&i,4);
decoderObj->decPrm[1+7] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[1+8] = ExtractBitsG729(&pParm,&i,5);
decoderObj->decPrm[1+9] = ExtractBitsG729(&pParm,&i,13);
decoderObj->decPrm[1+10] = ExtractBitsG729(&pParm,&i,4);
decoderObj->decPrm[1+11] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[1+4] = (Ipp16s)((equality(decoderObj->decPrm[1+3])+decoderObj->decPrm[1+4]) & 0x00000001); /* parity error (1) */
decoderObj->codecType = G729_CODEC;
} else if(frametype == 4) {
Ipp16s tmp;
i=0;
tmp = ExtractBitsG729(&pParm,&i,2);
decoderObj->decPrm[0] = 0;
decoderObj->decPrm[1] = 4;
if(tmp==0) {
decoderObj->decPrm[2] = 0;
decoderObj->decPrm[3] = ExtractBitsG729(&pParm,&i,1+FIR_STAGE_BITS);
decoderObj->decPrm[4] = ExtractBitsG729(&pParm,&i,SEC_STAGE_BITS*2);
decoderObj->decPrm[5] = ExtractBitsG729(&pParm,&i,8);
decoderObj->decPrm[6] = ExtractBitsG729(&pParm,&i,1);
decoderObj->decPrm[7] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[8] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[9] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[10] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[11] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[12] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[13] = ExtractBitsG729(&pParm,&i,5);
decoderObj->decPrm[14] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[15] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[16] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[17] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[18] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[19] = ExtractBitsG729(&pParm,&i,7);
i = decoderObj->decPrm[5]>>1;
i &= 1;
decoderObj->decPrm[6] = (Ipp16s)(decoderObj->decPrm[6] + i);
decoderObj->decPrm[6] = (Ipp16s)((equality(decoderObj->decPrm[5])+decoderObj->decPrm[6]) & 0x00000001);/* parm[6] = parity error (1) */
} else {
decoderObj->decPrm[2] = 1; /*LPmode*/
decoderObj->decPrm[3] = ExtractBitsG729(&pParm,&i,8);
decoderObj->decPrm[4] = ExtractBitsG729(&pParm,&i,1);
decoderObj->decPrm[5] = ExtractBitsG729(&pParm,&i,13);
decoderObj->decPrm[6] = ExtractBitsG729(&pParm,&i,10);
decoderObj->decPrm[7] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[8] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[9] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[10] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[11] = ExtractBitsG729(&pParm,&i,5);
decoderObj->decPrm[12] = ExtractBitsG729(&pParm,&i,13);
decoderObj->decPrm[13] = ExtractBitsG729(&pParm,&i,10);
decoderObj->decPrm[14] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[15] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[16] = ExtractBitsG729(&pParm,&i,7);
decoderObj->decPrm[17] = ExtractBitsG729(&pParm,&i,7);
i = decoderObj->decPrm[3]>>1;
i &= 1;
decoderObj->decPrm[4] = (Ipp16s)(decoderObj->decPrm[4] + i);
decoderObj->decPrm[4] = (Ipp16s)((equality(decoderObj->decPrm[3])+decoderObj->decPrm[4]) & 0x00000001);/* parm[4] = parity error (1) */
}
decoderObj->codecType = G729E_CODEC;
}
parm = decoderObj->decPrm;
badFrameIndicator = *parm++;
fType = *parm;
if(badFrameIndicator == 1) {
fType = decoderObj->CNGvar;
if(fType == 1) fType = 0;
} else {
decoderObj->valGainAttenuation = IPP_MAX_16S;
decoderObj->BFIcount = 0;
}
if( fType == 4) {
if(badFrameIndicator != 0) {
LPmode = decoderObj->prevLPmode;
} else {
LPmode = parm[1];
}
if(decoderObj->prevBFI != 0) {
voiceFlag = decoderObj->prevVoiceFlag;
decoderObj->voiceFlag = decoderObj->prevVoiceFlag;
}
ippsWinHybrid_G729E_16s32s(decoderObj->LTPostFilt, BWDacf,
(IppsWinHybridState_G729E_16s*)&decoderObj->hwState);
BWDLagWindow(BWDacf, BWDhighAcf);
if(ippsLevinsonDurbin_G729_32s16s(BWDhighAcf, BWLPCF_DIM, &BWDfiltLPC[BWLPCF1_DIM], BWDrc,&temp) == ippStsOverflow) {
ippsCopy_16s(decoderObj->pPrevBwdLPC,&BWDfiltLPC[BWLPCF1_DIM],BWLPCF1_DIM);
BWDrc[0] = decoderObj->pPrevBwdRC[0];
BWDrc[1] = decoderObj->pPrevBwdRC[1];
} else {
ippsCopy_16s(&BWDfiltLPC[BWLPCF1_DIM],decoderObj->pPrevBwdLPC,BWLPCF1_DIM);
decoderObj->pPrevBwdRC[0] = BWDrc[0];
decoderObj->pPrevBwdRC[1] = BWDrc[1];
}
satFilter = 0;
for(i=BWLPCF1_DIM; i<2*BWLPCF1_DIM; i++) {
if(BWDfiltLPC[i] >= IPP_MAX_16S) {
satFilter = 1;
break;
}
}
if(satFilter == 1) ippsCopy_16s(decoderObj->pBwdLPC2, &BWDfiltLPC[BWLPCF1_DIM], BWLPCF1_DIM);
else ippsCopy_16s(&BWDfiltLPC[BWLPCF1_DIM], decoderObj->pBwdLPC2, BWLPCF1_DIM);
ippsMulPowerC_NR_16s_Sfs(&BWDfiltLPC[BWLPCF1_DIM], N0_98, &BWDfiltLPC[BWLPCF1_DIM], BWLPCF1_DIM, 15);
}
ippsMove_16s(&decoderObj->LTPostFilt[LP_FRAME_DIM], &decoderObj->LTPostFilt[0], SYNTH_BWD_DIM);
if(LPmode == 1) {
Ipp16s tmp;
if((decoderObj->interpCoeff2 != 0)) {
tmp = (Ipp16s)((1<<12) - decoderObj->interpCoeff2);
ippsInterpolateC_G729_16s_Sfs(BWDfiltLPC + BWLPCF1_DIM, tmp,
decoderObj->pBwdLPC, decoderObj->interpCoeff2, BWDfiltLPC + BWLPCF1_DIM, BWLPCF1_DIM, 12);
}
}
if((badFrameIndicator != 0)&&(decoderObj->prevBFI == 0) && (decoderObj->CNGvar >3))
ippsCopy_16s(&BWDfiltLPC[BWLPCF1_DIM],decoderObj->pBwdLPC,BWLPCF1_DIM);
if(fType < 2) {
if(fType == 1) {
LOCAL_ALIGN_ARRAY(32, Ipp16s, lsfq,LPF_DIM,decoderObj);
sidGain = SIDgain[(Ipp32s)parm[4]];
ippsLSFDecode_G729B_16s(&parm[1],(Ipp16s*)(decoderObj->prevLSPfreq),lsfq);
ippsLSFToLSP_G729_16s(lsfq,lspSID);
LOCAL_ALIGN_ARRAY_FREE(32, Ipp16s, lsfq,LPF_DIM,decoderObj);
} else {
if(decoderObj->CNGvar > 1) {
QuantSIDGain_G729B_16s(&decoderObj->SIDflag0, &decoderObj->SIDflag1, 0, &temp, &index2);
sidGain = SIDgain[(Ipp32s)index2];
}
}
if(decoderObj->CNGvar > 1) {
gainNow = sidGain;
} else {
gainNow = (Ipp16s)((gainNow * GAIN0 + BWF_HARMONIC)>>15);
gainNow = Add_16s(gainNow, (Ipp16s)((sidGain * GAIN1 + BWF_HARMONIC)>>15));
}
if(gainNow == 0) {
ippsZero_16s(excitation,LP_FRAME_DIM);
gpVal = 0;
for(subfrIdx = 0; subfrIdx < LP_FRAME_DIM; subfrIdx += LP_SUBFRAME_DIM) {
ippsPhaseDispersionUpdate_G729D_16s((Ipp16s)gpVal, gainNow,decoderObj->PhDispMem);
}
} else {
for(i = 0; i < LP_FRAME_DIM; i += LP_SUBFRAME_DIM) {
Ipp32s invSq;
Ipp16s pG2, tmp, tmp2;
const Ipp16s *excCached;
LOCAL_ARRAY(Ipp16s, IdxVec, 4, decoderObj);
LOCAL_ARRAY(Ipp16s, pulseSignVec, 4, decoderObj);
LOCAL_ALIGN_ARRAY(32, Ipp16s, excg, LP_SUBFRAME_DIM, decoderObj);
LOCAL_ARRAY(Ipp16s,tempArray,LP_SUBFRAME_DIM, decoderObj);
RandomCodebookParm_G729B_16s(&decoderObj->seed,IdxVec,pulseSignVec,&pG2,delayVal);
ippsDecodeAdaptiveVector_G729_16s_I(delayVal,&prevExcitat[i]);
if(decoderObj->CNGidx > CNG_STACK_SIZE-1) { /* not cached */
ippsRandomNoiseExcitation_G729B_16s(&decoderObj->seed,excg,LP_SUBFRAME_DIM);
ippsDotProd_16s32s_Sfs(excg,excg,LP_SUBFRAME_DIM,&invSq,0);
ippsInvSqrt_32s_I(&invSq,1);
excCached=excg;
} else {
decoderObj->seed = cngSeedOut[decoderObj->CNGidx];
invSq = cngInvSqrt[decoderObj->CNGidx];
excCached=&cngCache[decoderObj->CNGidx][0];
decoderObj->CNGidx++;
}
NoiseExcitationFactorization_G729B_16s(excCached,invSq,gainNow,excg,LP_SUBFRAME_DIM);
tmp2 = (Ipp16s)ComfortNoiseExcitation_G729B_16s_I(excg,IdxVec,pulseSignVec,gainNow,pG2,&excitation[i],&tmp,tempArray);
if(tmp2 < 0) gpVal = 0;
if(tmp < 0) tmp = -tmp;
ippsPhaseDispersionUpdate_G729D_16s((Ipp16s)gpVal,tmp,decoderObj->PhDispMem);
LOCAL_ARRAY_FREE(Ipp16s,tempArray,LP_SUBFRAME_DIM, decoderObj);
LOCAL_ALIGN_ARRAY_FREE(32, Ipp16s, excg, LP_SUBFRAME_DIM, decoderObj);
LOCAL_ARRAY_FREE(Ipp16s, pulseSignVec, 4, decoderObj);
LOCAL_ARRAY_FREE(Ipp16s, IdxVec, 4, decoderObj);
}
}
ippsInterpolate_G729_16s(prevSubfrLSP,lspSID,prevSubfrLSP, LPF_DIM );
ippsLSPToLPC_G729_16s(prevSubfrLSP,&FWDfiltLPC[0]);
ippsLSPToLPC_G729_16s(lspSID,&FWDfiltLPC[LPF_DIM+1]);
ippsCopy_16s(lspSID, prevSubfrLSP, LPF_DIM );
decoderObj->sidGain = sidGain;
decoderObj->gainNow = gainNow;
ppAz = FWDfiltLPC;
for(subfrIdx = 0; subfrIdx < LP_FRAME_DIM; subfrIdx += LP_SUBFRAME_DIM) {
if(SynthesisFilter_G729_16s(ppAz,&excitation[subfrIdx],&synth[subfrIdx],LP_SUBFRAME_DIM,synFltw,20)==
ippStsOverflow) {
/* scale down excitation and redo in case of overflow */
ippsRShiftC_16s_I(2,prevExcitat,L_prevExcitat+LP_FRAME_DIM);
SynthesisFilterOvf_G729_16s(ppAz,&excitation[subfrIdx],&synth[subfrIdx],LP_SUBFRAME_DIM,synFltw,20);
}
ppAz += LPF_DIM+1;
}
decoderObj->betaPreFilter = PITCH_SHARP_MIN;
prevFrameDelay1 = decoderObj->prevFrameDelay;
decoderObj->interpCoeff2_2 = 4506;
decoderObj->BWDFrameCounter = 0;
decoderObj->stat_pitch = 0;
ippsCopy_16s(&FWDfiltLPC[LPF_DIM+1], decoderObj->pPrevFilt, LPF_DIM+1);
ippsZero_16s(&decoderObj->pPrevFilt[LPF_DIM+1], (BWLPCF1_DIM-LPF_DIM-1));
} else {
decoderObj->seed = SEED_INIT;
decoderObj->CNGidx = 0;
parm++;
if(decoderObj->codecType == G729E_CODEC) parm++;
if( LPmode==0 ) {
LOCAL_ARRAY(Ipp16s, qIndex,4,decoderObj);
qIndex[0] = (Ipp16s)((parm[0] >> FIR_STAGE_BITS) & 1);
qIndex[1] = (Ipp16s)(parm[0] & (FIR_STAGE - 1));
qIndex[2] = (Ipp16s)((parm[1] >> SEC_STAGE_BITS) & (SEC_STAGE - 1));
qIndex[3] = (Ipp16s)(parm[1] & (SEC_STAGE - 1));
if(!badFrameIndicator) {
decoderObj->prevMA = qIndex[0];
ippsLSFDecode_G729_16s( qIndex, (Ipp16s*)decoderObj->prevLSPfreq, decoderObj->prevSubfrLSPquant);
} else {
ippsLSFDecodeErased_G729_16s( decoderObj->prevMA,
(Ipp16s*)decoderObj->prevLSPfreq, decoderObj->prevSubfrLSPquant);
}
ippsLSFToLSP_G729_16s(decoderObj->prevSubfrLSPquant, newLSP); /* Convert LSFs to LSPs */
parm += 2;
LOCAL_ARRAY_FREE(Ipp16s, qIndex,4,decoderObj);
if( decoderObj->prevLPmode == 0) {
ippsInterpolate_G729_16s(newLSP,prevSubfrLSP,prevSubfrLSP, LPF_DIM );
ippsLSPToLPC_G729_16s(prevSubfrLSP, FWDfiltLPC); /* 1-st subframe */
ippsLSPToLPC_G729_16s(newLSP, &FWDfiltLPC[LPF_DIM+1]); /* 2-nd subframe */
} else {
ippsLSPToLPC_G729_16s(newLSP, FWDfiltLPC); /* 1-st subframe */
ippsMove_16s(FWDfiltLPC, &FWDfiltLPC[LPF_DIM+1], LPF_DIM+1);/* 2-nd subframe */
}
/* update the next frame LSFs*/
ippsCopy_16s(newLSP, prevSubfrLSP, LPF_DIM );
decoderObj->interpCoeff2_2 = 4506;
mAq = LPF_DIM;
pA = FWDfiltLPC;
ippsCopy_16s(&FWDfiltLPC[LPF_DIM+1], decoderObj->pPrevFilt, LPF_DIM+1);
ippsZero_16s(&decoderObj->pPrevFilt[LPF_DIM+1], (BWLPCF1_DIM-LPF_DIM-1));
} else {
Ipp16s tmp;
decoderObj->interpCoeff2_2 = (Ipp16s)(decoderObj->interpCoeff2_2 - 410);
if( decoderObj->interpCoeff2_2 < 0) decoderObj->interpCoeff2_2 = 0;
tmp = (Ipp16s)((1<<12) - decoderObj->interpCoeff2_2);
ippsInterpolateC_G729_16s_Sfs(BWDfiltLPC + BWLPCF1_DIM, tmp,
decoderObj->pPrevFilt, decoderObj->interpCoeff2_2, BWDfiltLPC + BWLPCF1_DIM, BWLPCF1_DIM, 12);
ippsInterpolate_G729_16s
(BWDfiltLPC + BWLPCF1_DIM, decoderObj->pPrevFilt, BWDfiltLPC, BWLPCF1_DIM);
mAq = BWLPCF_DIM;
pA = BWDfiltLPC;
ippsCopy_16s(&BWDfiltLPC[BWLPCF1_DIM], decoderObj->pPrevFilt, BWLPCF1_DIM);
}
for(ppAz=pA,subfrIdx = 0; subfrIdx < LP_FRAME_DIM; subfrIdx += LP_SUBFRAME_DIM) {
Ipp32s pitchIndx;
pitchIndx = *parm++;
badPitch = badFrameIndicator;
if(subfrIdx == 0) {
if(decoderObj->codecType != G729D_CODEC)
badPitch = (Ipp16s)(badFrameIndicator + *parm++);
}
DecodeAdaptCodebookDelays(&decoderObj->prevFrameDelay,&decoderObj->prevFrameDelay2,delayVal,subfrIdx,badPitch,pitchIndx,decoderObj->codecType);
if(subfrIdx == 0)
prevFrameDelay1 = delayVal[0]; /* if first frame */
ippsDecodeAdaptiveVector_G729_16s_I(delayVal,&prevExcitat[subfrIdx]);
/* pitch tracking */
if( decoderObj->codecType == G729E_CODEC) {
PitchTracking_G729E(&decoderObj->prevFrameDelay, &decoderObj->prevFrameDelay2, &decoderObj->prevPitch, &decoderObj->stat_pitch,
&decoderObj->pitchStatIntDelay, &decoderObj->pitchStatFracDelay);
} else {
Ipp16s sTmpPrevFrameDelay, sTmpPrevFrameDelay2;
sTmpPrevFrameDelay = decoderObj->prevFrameDelay;
sTmpPrevFrameDelay2 = decoderObj->prevFrameDelay2;
PitchTracking_G729E(&sTmpPrevFrameDelay, &sTmpPrevFrameDelay2, &decoderObj->prevPitch, &decoderObj->stat_pitch,
&decoderObj->pitchStatIntDelay, &decoderObj->pitchStatFracDelay);
}
statStat = 0;
if(decoderObj->codecType == G729_CODEC) {
if(badFrameIndicator != 0) {
index = (Ipp16s)(Rand_16s(&decoderObj->seedSavage) & (Ipp16s)0x1fff); /* 13 bits random */
pulseSign = (Ipp16s)(Rand_16s(&decoderObj->seedSavage) & (Ipp16s)15); /* 4 bits random */
} else {
index = parm[0];
pulseSign = parm[1];
}
i = index & 7;
idx[0] = (Ipp16s)(5 * i);
index = (Ipp16s)(index >> 3);
i = index & 7;
idx[1] = (Ipp16s)(5 * i + 1);
index = (Ipp16s)(index >> 3);
i = index & 7;
idx[2] = (Ipp16s)(5 * i + 2);
index = (Ipp16s)(index >> 3);
j = index & 1;
index = (Ipp16s)(index >> 1);
i = index & 7;
idx[3] = (Ipp16s)(i * 5 + 3 + j);
/* decode the signs & build the codeword */
ippsZero_16s(ACELPcodeVec,LP_SUBFRAME_DIM);
for(j=0; j<4; j++) {
if((pulseSign & 1) != 0) {
ACELPcodeVec[idx[j]] = 8191;
} else {
ACELPcodeVec[idx[j]] = -BWF_HARMONIC_E;
}
pulseSign = (Ipp16s)(pulseSign >> 1);
}
parm += 2;
decoderObj->BWDFrameCounter = 0;
} else if(decoderObj->codecType == G729D_CODEC) {
Ipp16s sTmpIdx;
if(badFrameIndicator != 0) {
index = Rand_16s(&decoderObj->seedSavage);
pulseSign = Rand_16s(&decoderObj->seedSavage);
} else {
index = parm[0];
pulseSign = parm[1];
}
ippsZero_16s(ACELPcodeVec,LP_SUBFRAME_DIM);
sTmpIdx = tab3[index & 15];
if((pulseSign & 1) != 0) {
ACELPcodeVec[sTmpIdx] += 8191;
} else {
ACELPcodeVec[sTmpIdx] -= BWF_HARMONIC_E;
}
index >>= 4;
pulseSign >>= 1;
sTmpIdx = tab4[index & 31];
if((pulseSign & 1) != 0) {
ACELPcodeVec[sTmpIdx] += 8191;
} else {
ACELPcodeVec[sTmpIdx] -= BWF_HARMONIC_E;
}
parm += 2;
decoderObj->BWDFrameCounter = 0;
} else if(decoderObj->codecType == G729E_CODEC) {
Ipp16s sIdxCounter, trackVal;
Ipp16s pos1, pos2, pos3, sTmpPulseSign;
ippsZero_16s(ACELPcodeVec,LP_SUBFRAME_DIM);
if(badFrameIndicator != 0) {
tmp_parm[0] = Rand_16s(&decoderObj->seedSavage);
tmp_parm[1] = Rand_16s(&decoderObj->seedSavage);
tmp_parm[2] = Rand_16s(&decoderObj->seedSavage);
tmp_parm[3] = Rand_16s(&decoderObj->seedSavage);
tmp_parm[4] = Rand_16s(&decoderObj->seedSavage);
} else {
ippsCopy_16s(parm, tmp_parm, 5);
}
if(LPmode == 0) {
pos1 = (Ipp16s)((tmp_parm[0] & 7) * 5);
if(((tmp_parm[0]>>3) & 1) == 0)
sTmpPulseSign = (1<<12);
else sTmpPulseSign = -(1<<12);
ACELPcodeVec[pos1] = sTmpPulseSign;
pos2 = (Ipp16s)(((tmp_parm[0]>>4) & 7) * 5);
if(pos2 > pos1)
sTmpPulseSign = (Ipp16s)(-sTmpPulseSign);
ACELPcodeVec[pos2] = (Ipp16s)(ACELPcodeVec[pos2] + sTmpPulseSign);
pos1 = (Ipp16s)(((tmp_parm[1] & 7) * 5) + 1);
if(((tmp_parm[1]>>3) & 1) == 0)
sTmpPulseSign = (1<<12);
else
sTmpPulseSign = -(1<<12);
ACELPcodeVec[pos1] = sTmpPulseSign;
pos2 = (Ipp16s)((((tmp_parm[1]>>4) & 7) * 5) + 1);
if(pos2 > pos1)
sTmpPulseSign = (Ipp16s)(-sTmpPulseSign);
ACELPcodeVec[pos2] = (Ipp16s)(ACELPcodeVec[pos2] + sTmpPulseSign);
pos1 = (Ipp16s)(((tmp_parm[2] & 7) * 5) + 2);
if(((tmp_parm[2]>>3) & 1) == 0)
sTmpPulseSign = (1<<12);
else
sTmpPulseSign = -(1<<12);
ACELPcodeVec[pos1] = sTmpPulseSign;
pos2 = (Ipp16s)((((tmp_parm[2]>>4) & 7) * 5) + 2);
if(pos2 > pos1)
sTmpPulseSign = (Ipp16s)(-sTmpPulseSign);
ACELPcodeVec[pos2] = (Ipp16s)(ACELPcodeVec[pos2] + sTmpPulseSign);
pos1 = (Ipp16s)(((tmp_parm[3] & 7) * 5) + 3);
if(((tmp_parm[3]>>3) & 1) == 0)
sTmpPulseSign = (1<<12);
else
sTmpPulseSign = -(1<<12);
ACELPcodeVec[pos1] = sTmpPulseSign;
pos2 = (Ipp16s)((((tmp_parm[3]>>4) & 7) * 5) + 3);
if(pos2 > pos1)
sTmpPulseSign = (Ipp16s)(-sTmpPulseSign);
ACELPcodeVec[pos2] = (Ipp16s)(ACELPcodeVec[pos2] + sTmpPulseSign);
pos1 = (Ipp16s)(((tmp_parm[4] & 7) * 5) + 4);
if(((tmp_parm[4]>>3) & 1) == 0)
sTmpPulseSign = (1<<12);
else sTmpPulseSign = -(1<<12);
ACELPcodeVec[pos1] = sTmpPulseSign;
pos2 = (Ipp16s)((((tmp_parm[4]>>4) & 7) * 5) + 4);
if(pos2 > pos1) sTmpPulseSign = (Ipp16s)(-sTmpPulseSign);
ACELPcodeVec[pos2] = (Ipp16s)(ACELPcodeVec[pos2] + sTmpPulseSign);
decoderObj->BWDFrameCounter = 0;
} else {
trackVal = (Ipp16s)((tmp_parm[0]>>10) & 7);
if(trackVal > 4)
trackVal = 4;
for(sIdxCounter=0; sIdxCounter<2; sIdxCounter++) {
pos1 = (Ipp16s)(((tmp_parm[sIdxCounter] & 7) * 5) + trackVal);
if(((tmp_parm[sIdxCounter]>>3) & 1) == 0)
sTmpPulseSign = (1<<12);
else
sTmpPulseSign = -(1<<12);
ACELPcodeVec[pos1] = sTmpPulseSign;
pos2 = (Ipp16s)((((tmp_parm[sIdxCounter]>>4) & 7) * 5) + trackVal);
if(pos2 > pos1)
sTmpPulseSign = (Ipp16s)(-sTmpPulseSign);
ACELPcodeVec[pos2] = (Ipp16s)(ACELPcodeVec[pos2] + sTmpPulseSign);
pos3 = (Ipp16s)((((tmp_parm[sIdxCounter]>>7) & 7) * 5) + trackVal);
if(pos3 > pos2)
sTmpPulseSign = (Ipp16s)(-sTmpPulseSign);
ACELPcodeVec[pos3] = (Ipp16s)(ACELPcodeVec[pos3] + sTmpPulseSign);
trackVal++;
if(trackVal > 4)
trackVal = 0;
}
for(sIdxCounter=2; sIdxCounter<5; sIdxCounter++) {
pos1 = (Ipp16s)(((tmp_parm[sIdxCounter] & 7) * 5) + trackVal);
if(((tmp_parm[sIdxCounter]>>3) & 1) == 0)
sTmpPulseSign = (1<<12);
else
sTmpPulseSign = -(1<<12);
ACELPcodeVec[pos1] = sTmpPulseSign;
pos2 = (Ipp16s)((((tmp_parm[sIdxCounter]>>4) & 7) * 5) + trackVal);
if(pos2 > pos1)
sTmpPulseSign = (Ipp16s)(-sTmpPulseSign);
ACELPcodeVec[pos2] = (Ipp16s)(ACELPcodeVec[pos2] + sTmpPulseSign);
trackVal++;
if(trackVal > 4)
trackVal = 0;
}
decoderObj->BWDFrameCounter++;
if(decoderObj->BWDFrameCounter >= 30) {
statStat = 1;
decoderObj->BWDFrameCounter = 30;
}
}
parm += 5;
}
decoderObj->betaPreFilter = (Ipp16s)(decoderObj->betaPreFilter << 1);
if(delayVal[0] < LP_SUBFRAME_DIM) {
ippsHarmonicFilter_16s_I(decoderObj->betaPreFilter,delayVal[0],&ACELPcodeVec[delayVal[0]],LP_SUBFRAME_DIM-delayVal[0]);
}
pitchIndx = *parm++;
if(decoderObj->codecType == G729_CODEC) {
if(!badFrameIndicator) {
LOCAL_ARRAY(Ipp16s, gIngx, 2, decoderObj);
ippsDotProd_16s32s_Sfs(ACELPcodeVec, ACELPcodeVec, LP_SUBFRAME_DIM, &i, 0); /* ACELPcodeVec energy */
gIngx[0] = (Ipp16s)(pitchIndx >> CDBK2_BIT_NUM) ;
gIngx[1] = (Ipp16s)(pitchIndx & (CDBK2_DIM-1));
ippsDecodeGain_G729_16s(i, decoderObj->prevFrameQuantEn, gIngx, decoderObj->gains);
LOCAL_ARRAY_FREE(Ipp16s, gIngx, 2, decoderObj);
} else {
ippsDecodeGain_G729_16s(0, decoderObj->prevFrameQuantEn, NULL, decoderObj->gains);
}
} else {
Ipp32s energy;
ippsDotProd_16s32s_Sfs(ACELPcodeVec, ACELPcodeVec, LP_SUBFRAME_DIM, &energy, 0); /* ACELPcodeVec energy */
if(decoderObj->codecType == G729D_CODEC) {
if(badFrameIndicator) {
ippsDecodeGain_G729_16s(0, decoderObj->prevFrameQuantEn, NULL, decoderObj->gains);
} else {
LOCAL_ARRAY(Ipp16s, gIngx, 2, decoderObj);
Ipp16s foo = 1;
gIngx[0] = (Ipp16s)(pitchIndx >> CDBK2_BIT_NUM_6K) ;
gIngx[1] = (Ipp16s)(pitchIndx & (CDBK2_DIM_6K-1)) ;
ippsDecodeGain_G729I_16s(energy, foo, decoderObj->prevFrameQuantEn, gIngx, decoderObj->gains );
LOCAL_ARRAY_FREE(Ipp16s, gIngx, 2, decoderObj);
}
} else { /* G729E_CODEC*/
if(!badFrameIndicator) {
LOCAL_ARRAY(Ipp16s, gIngx, 2, decoderObj);
gIngx[0] = (Ipp16s)(pitchIndx >> CDBK2_BIT_NUM) ;
gIngx[1] = (Ipp16s)(pitchIndx & (CDBK2_DIM-1));
ippsDecodeGain_G729_16s(energy, decoderObj->prevFrameQuantEn, gIngx, decoderObj->gains);
LOCAL_ARRAY_FREE(Ipp16s, gIngx, 2, decoderObj);
} else { /* erasure*/
Ipp16s oldCodebookGain = decoderObj->gains[1];
ippsDecodeGain_G729I_16s(0, decoderObj->valGainAttenuation, decoderObj->prevFrameQuantEn, NULL, decoderObj->gains );
if(decoderObj->BFIcount < 2) {
decoderObj->gains[0] = (Ipp16s)((statStat)? BWF_HARMONIC : PITCH_GAIN_MAX);
decoderObj->gains[1] = oldCodebookGain;
} else {
if(statStat) {
if(decoderObj->BFIcount > 10) decoderObj->valGainAttenuation = (Ipp16s)((decoderObj->valGainAttenuation * 32604)>>15);
} else decoderObj->valGainAttenuation = (Ipp16s)((decoderObj->valGainAttenuation * 32112)>>15);
}
}
}
}
/* update pitch sharpening with quantized gain pitch */
decoderObj->betaPreFilter = decoderObj->gains[0];
if(decoderObj->betaPreFilter > PITCH_SHARP_MAX)
decoderObj->betaPreFilter = PITCH_SHARP_MAX;
if(decoderObj->betaPreFilter < PITCH_SHARP_MIN)
decoderObj->betaPreFilter = PITCH_SHARP_MIN;
/* synthesis of speech corresponding to excitation*/
if(badFrameIndicator) {
decoderObj->BFIcount++;
if(voiceFlag == 0 ) {
gC = decoderObj->gains[1];
gPl = 0;
} else {
gC = 0;
gPl = decoderObj->gains[0];
}
} else {
gC = decoderObj->gains[1];
gPl = decoderObj->gains[0];
}
ippsInterpolateC_NR_G729_16s_Sfs(&excitation[subfrIdx],gPl,ACELPcodeVec,gC,&excitation[subfrIdx],LP_SUBFRAME_DIM,14);
if(decoderObj->codecType == G729D_CODEC)
status = SynthesisFilter_G729_16s_update(ppAz,&excitation[subfrIdx],&synth[subfrIdx],LP_SUBFRAME_DIM,synFltw,BWLPCF_DIM-mAq,0);
else
status = SynthesisFilter_G729_16s(ppAz,&excitation[subfrIdx],&synth[subfrIdx],LP_SUBFRAME_DIM,synFltw,BWLPCF_DIM-mAq);
if(status == ippStsOverflow) {
ippsRShiftC_16s_I(2,prevExcitat,L_prevExcitat+LP_FRAME_DIM);
SynthesisFilterOvf_G729_16s(ppAz,&excitation[subfrIdx],&synth[subfrIdx],LP_SUBFRAME_DIM,synFltw,BWLPCF_DIM-mAq);
}
if(decoderObj->codecType == G729D_CODEC) {
ippsPhaseDispersion_G729D_16s(&excitation[subfrIdx], phaseDispExcit, decoderObj->gains[1],
decoderObj->gains[0], ACELPcodeVec, decoderObj->PhDispMem);
SynthesisFilter_G729_16s(ppAz,phaseDispExcit,&synth[subfrIdx],LP_SUBFRAME_DIM,synFltw,BWLPCF_DIM-mAq);
} else {
ippsPhaseDispersionUpdate_G729D_16s(decoderObj->gains[0], decoderObj->gains[1],decoderObj->PhDispMem);
}
ppAz += mAq+1;
}
}
if(badFrameIndicator == 0) {
ippsDotProd_16s32s_Sfs(excitation,excitation,LP_FRAME_DIM,&i,-1);
decoderObj->SIDflag1 = Exp_32s(i);
decoderObj->SIDflag0 = (Ipp16s)(((i << decoderObj->SIDflag1)+0x8000)>>16);
decoderObj->SIDflag1 = (Ipp16s)(16 - decoderObj->SIDflag1);
}
decoderObj->CNGvar = (Ipp16s)fType;
if(enerDB(synth, (Ipp16s)LP_FRAME_DIM) >= BWF_HARMONIC_E) tstDominantBWDmode(&decoderObj->BWDcounter2,&decoderObj->FWDcounter2,&dominantBWDmode, (Ipp16s)LPmode);
ippsMove_16s(&prevExcitat[LP_FRAME_DIM], &prevExcitat[0], L_prevExcitat);
if( LPmode == 0) {
ippsCopy_16s(FWDfiltLPC, AzDec, 2*LPF_DIM+2);
prevM = LPF_DIM;
} else {
ippsCopy_16s(BWDfiltLPC, AzDec, 2*BWLPCF1_DIM);
prevM = BWLPCF_DIM;
}
decoderObj->prevBFI = badFrameIndicator;
decoderObj->prevLPmode = (Ipp16s)LPmode;
decoderObj->prevVoiceFlag = voiceFlag;
if(badFrameIndicator != 0)
decoderObj->interpCoeff2 = (1<<12);
else {
if(LPmode == 0)
decoderObj->interpCoeff2 = 0;
else {
if(dominantBWDmode == 1)
decoderObj->interpCoeff2 -= 410;
else decoderObj->interpCoeff2 -= 2048;
if(decoderObj->interpCoeff2 < 0)
decoderObj->interpCoeff2= 0;
}
}
decoderObj->voiceFlag = 0;
pAz = AzDec;
if (decoderObj->pstFltMode) {
if((decoderObj->codecType == G729_CODEC)&&(fType>2)) {
for(subfrIdx=0; subfrIdx<LP_FRAME_DIM; subfrIdx+=LP_SUBFRAME_DIM) {
Post_G729(prevFrameDelay1,(Ipp16s)subfrIdx,pAz,&dst[subfrIdx],&subfrVoiceFlag,decoderObj);
if(subfrVoiceFlag != 0) {
decoderObj->voiceFlag = subfrVoiceFlag;
}
pAz += LPF_DIM+1;
}
} else {
parm = decoderObj->decPrm;
if(fType<4) {
L_hSt = IMP_RESP_LEN;
decoderObj->gammaPost1 = BWF1_PST;
decoderObj->gammaPost2 = BWF2_PST;
decoderObj->gammaHarm = BWF_HARMONIC;
} else {
L_hSt = IMP_RESP_LEN_E;
/* reduce postfiltering */
if((parm[2] == 1) && (dominantBWDmode == 1)) {
decoderObj->gammaHarm -= 410;
if(decoderObj->gammaHarm < 0)
decoderObj->gammaHarm = 0;
decoderObj->gammaPost1 -= 1147;
if(decoderObj->gammaPost1 < 0)
decoderObj->gammaPost1 = 0;
decoderObj->gammaPost2 -= 1065;
if(decoderObj->gammaPost2 < 0)
decoderObj->gammaPost2 = 0;
} else {
decoderObj->gammaHarm += 410;
if(decoderObj->gammaHarm > BWF_HARMONIC_E)
decoderObj->gammaHarm = BWF_HARMONIC_E;
decoderObj->gammaPost1 += 1147;
if(decoderObj->gammaPost1 > BWF1_PST_E)