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owng729.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) 2005-2007 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: Miscellaneous.
//
*/
#include <ipps.h>
#include "owng729.h"
#include "vadg729.h"
#include <ippdefs.h>
#if defined(__ICL ) && defined(_IPP_A6)
#include <xmmintrin.h>
#endif
#define ZEROcrossBegin 120
#define VADinitFrame 32
#define ZEROcrossEnd 200
static __ALIGN32 CONST Ipp16s t[GAIN_NUM+1] = {820,26<<1,26};
static __ALIGN32 CONST Ipp16s t1[GAIN_NUM+1] = {0,0,1};
static __ALIGN32 CONST Ipp16s energyLogTable[17] = { 2000+466, 2000+520, 2000+571, 2000+619, 2000+665, 2000+708, 2000+749,
2789, 2000+827, 2000+863, 2000+898, 2000+931, 2000+964, 2000+995, 3000+25, 3000+54, 3000+83};
static __ALIGN32 CONST Ipp32s wlag_bwd[BWLPCF_DIM]={
2100000000+47252352, 2100000000+47202688, 2100000000+47120000, 2100000000+47004032, 2100000000+46855040,
2100000000+46673024, 2100000000+46457728, 2100000000+46209536, 2100000000+45928192, 2100000000+45613952,
2100000000+45266432, 2100000000+44886016, 2100000000+44472704, 2100000000+44026240, 2100000000+43546880,
2100000000+43034624, 2100000000+42489344, 2100000000+41911296, 2100000000+41300224, 2100000000+40656512,
2100000000+39979776, 2100000000+39270400, 2100000000+38528128, 2100000000+37753344, 2100000000+36945920,
2100000000+36105600, 2100000000+35232896, 2100000000+34327552, 2100000000+33389696, 2100000000+32419328
};
__ALIGN32 CONST Ipp16s presetOldA[LPF_DIM+1]={ (1<<12), 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
__ALIGN32 CONST Ipp16s presetLSP[LPF_DIM]={ 3*10000, 26*1000,21*1000, 15*1000, 8*1000, 0*1000,
-8*1000,-15*1000,-21*1000,-26*1000};
__ALIGN32 CONST Ipp16s resetPrevLSP[LPF_DIM] = { 2000+339, 4000+679,7000+18, 9000+358, 11000+698,
14000+37, 16000+377,18000+717, 21000+56, 23000+396};
__ALIGN32 CONST Ipp16s SIDgain[32] = {
(1<<1), (1<<2)+1, (1<<3), (1<<3)+5,
(1<<4)+(1<<2), (1<<5), 5*10, (1<<6),
8*10, 100+1, 100+27, 100+60,
200+01, 200+53, 300+18, 400+1,
500+5, 600+35, 800, 1000+7,
1000+268, 1000+596, 2000+10, 2000+530,
3000+185, 4000+9, 5000+48, 6000+355,
8*1000,10000+71,12000+679,15000+962
};
__ALIGN32 CONST Ipp16s areas[L_prevExcitat-1+3] = {
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,
3,3,3,3,3,3,3,3,3,3,3,3,3,0,0,0
};
__ALIGN32 CONST Ipp16s LUT1[CDBK1_DIM]={
5,
1,
4,
7,
3,
0,
6,
2
};
__ALIGN32 CONST Ipp16s LUT2[CDBK2_DIM]={
4,
6,
0,
2,
12,
14,
8,
10,
15,
11,
9,
13,
7,
3,
1,
5
};
static __ALIGN32 CONST Ipp16s logTable[33]={
0,1455,2866,4236,5568,6863,
8124,9352,10549,11716,12855,13967,
15054,16117,17156,18172,19167,20142,
21097,22033,22951,23852,24735,25603,
26455,27291,28113,28922,29716,30497,
31266,32023, IPP_MAX_16S};
__ALIGN32 CONST Ipp16s cngCache[CNG_STACK_SIZE][LP_SUBFRAME_DIM]={
{/* 0 */
86,-609,391,173,-80,-718,-47,559,235,676,
-4,-110,5,-521,-506,-300,256,-727,-527,-9,
-38,60,-69,-263,661,-722,-154,1500,303,-511,
-272,-866,938,179,91,833,4,-698,933,-573*1
},
{/* 1 */
225,547,-292,-470,302,264,728,-578,-294,332,
1589,-845,487,241,241,775,83,-523,-242,188,
-992,602,650,-48,332,542,-153,581,-39,323,
931,25,-59,-569,-192,-178,-238,-596,60,482*1
},
{/*2*/
-57,-821,254,-1,365,-278,21,-371,-12,-536,
11,1020,-166,455,-798,74,-95,133,152,-647,
199,-476,-209,-633,-306,-350,-859,118,436,-511,
-260,68,379,63,50,755,33,-674,585,-383*1
},
{/*3*/
1140,589,364,-527,-516,-83,-220,1154,-27,878,
-707,-1166,557,-626,437,-317,-810,15,654,115,
-34,-273,-570,-380,-185,-464,863,-268,271,464,
-169,-571,312,-47,-592,-779,-64,49,616,646*1
},
{/*4*/
259,-1109,-623,852,406,757,-493,911,1032,-480,
630,937,-421,-214,184,-92,-883,-491,-293,382,
-864,735,221,-1223,-878,394,192,723,101,-1004,
130,-434,535,127,549,-88,-86,201,935,739*1
},
{/*5*/
-937,-304,-546,-350,572,460,626,-690,-128,-471,
103,347,549,-539,443,199,41,1282,-400,404,
-114,-642,644,-576,1106,-677,505,333,119,151,
-307,-455,-517,-204,-254,-378,-800,-208,150,-462*1
},
{/*6*/
-497,770,-829,-271,-722,281,1105,-392,-212,15,
192,-290,523,486,-1010,37,-55,-356,1085,75,
-408,51,331,338,486,169,1338,312,-443,512,
-1016,-1,387,-970,-73,-91,-94,-691,-443,44*1
},
{/*7*/
993,-320,-251,208,577,376,150,-71,-254,657,
-890,-255,-478,9,215,-342,-93,482,391,-334,
387,-486,152,-229,452,179,8,-29,100,-1109,
-39,780,-155,-252,9,-364,709,188,-358,-387*1
},
{/*8*/
-49,-395,248,506,25,-9,-461,-148,68,-166,
-179,-BW_EXP_FACT ,-434,156,72,1009,-455,-65,-1246,772,
-509,-319,477,-1034,942,420,-393,201,-200,102,
242,-133,-1885,777,-692,-498,-531,-117,-121,128*1
},
{/*9*/
-828,402,-490,-144,1216,806,-62,-588,-483,539,
-305,345,217,111,315,-419,-266,-476,-760,194,
-910,-200,52,646,-177,429,705,-597,-629,-127,
685,47,-216,182,-518,20,-476,-182,-858,344*1
},
{/*10*/
-250,903,-395,-654,-483,-491,-260,-400,-493,-636,
-414,79,-278,-46,1193,781,160,-255,-561,172,
311,-753,470,-214,173,1022,-324,-375,772,-52,
131,711,1082,635,297,486,81,521,688,484*1
},
{/*11*/
-492,537,420,213,-1076,170,-115,-362,485,-102,
469,-330,605,235,126,-201,-202,667,-122,-1001,
-914,-340,-273,-168,-505,284,-329,-264,-1,1005,
-288,761,-424,-227,360,-679,272,-338,-431,26*1
},
{/*12*/
345,156,94,317,-549,-809,208,-1432,574,-783,
803,-654,640,748,341,1117,-349,-314,360,807,
165,-383,-1190,-558,648,-485,-211,604,-950,-106,
223,-313,493,-272,-910,273,-145,43,-28,316*1
},
{/*13*/
838,-630,164,-588,-38,566,-24,-495,-49,67,
653,-563,291,431,145,234,984,636,-10,358,
492,-856,-326,835,-159,53,-289,-897,-459,-223,
-925,-228,-406,-146,-696,-232,-2,-230,396,117*1
},
{/*14*/
75,505,-74,-735,473,-128,-588,23,584,486,
-365,494,406,-211,81,-348,-571,339,240,571,
723,602,-402,-847,-830,-448,205,1032,-112,263,
-1013,62,-193,685,554,-683,973,-1228,808,843*1
},
{/*15*/
301,-392,-151,1056,702,-671,-470,-199,174,-343,
-694,-847,-769,82,-821,138,-593,602,683,-318,
192,195,748,-677,48,395,-116,-429,-511,-332,
-371,-84,-463,-452,493,356,-830,1061,-594,381*1
},
{/*16*/
64,-830,609,447,379,-460,1164,-222,149,-633,
-362,100,-624,-327,129,391,106,-52,75,-375,
-219,190,1014,-148,447,-623,-128,1070,570,67,
747,-815,-364,-298,-459,-1197,207,328,352,-74*1
},
{/*17*/
-258,-552,-344,654,-342,540,517,-125,439,-63,
-319,-41,-477,-315,222,-628,-528,810,-422,-352,
-228,-274,311,277,425,-493,-141,745,-107,151,
-240,30,226,636,524,690,-114,-64,105,167*1
},
{/*18*/
381,506,-475,-1123,4,-264,539,780,362,215,
242,346,433,-619,-344,137,215,-204,-705,-361,
-290,-1102,-331,-634,964,-239,268,-172,-629,335,
-446,515,-463,622,89,-111,-584,620,335,0*1
},
{/*19*/
-692,-1027,628,210,309,446,-371,450,-643,478,
261,-237,550,607,-1058,707,302,319,-234,-300,
-361,128,-337,-188,-417,32,679,-491,136,545,
256,837,272,129,-72,726,-519,-190,-303,-314*1
},
{/*20*/
-1242,-123,-605,31,408,-336,-1018,57,491,442,
-440,-460,29,165,107,14,48,-145,621,-55,
34,26,80,-157,-11,-348,-494,222,-89,-241,
-75,-456,-198,-167,311,-141,-340,-124,154,141*1
},
{/*21*/
780,-100,322,286,592,505,-201,-213,-779,437,
139,-873,-263,-302,-192,356,94,846,-172,-112,
-222,811,201,285,327,-409,-99,9,203,-1276,
-46,86,944,768,870,2,-12,605,-421,271*1
},
{/*22*/
-962,-727,353,-376,-452,-993,-48,238,-229,502,
286,53,217,684,-179,-421,1400,67,-421,-158,
-266,697,74,840,341,528,-232,15,-365,-442,
-313,-587,690,-163,341,60,-80,-173,196,-94*1
},
{/*23*/
145,200,230,265,338,-543,726,81,1138,-167,
295,-518,-13,-206,-553,2,-557,-1174,-792,-405,
-492,515,88,-1229,-332,763,-983,92,949,-428,
89,484,-235,12,234,461,214,549,-38,533*1
},
{/*24*/
-343,-121,-317,252,724,234,-35,591,734,556,
-296,385,-311,335,434,148,-365,81,-403,390,
-450,308,-1273,89,-568,-10,898,267,307,-359,
-36,-98,637,-229,1047,-496,424,-130,561,-413*1
},
{/*25*/
144,-10,402,-892,-531,235,-353,-471,169,-705,
267,-211,-314,244,216,-110,66,8,1028,-170,
-225,125,145,-389,-677,-431,-899,255,760,-122,
-54,740,-12,1050,630,40,-943,-497,131,-307*1
},
{/*26*/
557,805,-1268,-640,-477,660,-910,351,762,738,
-839,29,-336,17,-33,-68,839,-993,998,-966,
189,-242,-308,409,-236,220,147,471,74,-117,
-199,246,97,-231,-832,756,343,-1144,294,467*1
},
{/*27*/
284,762,-803,-282,309,-22,293,262,429,827,
462,-121,-890,-1301,214,103,-1090,252,-961,424,
-681,-148,7,328,335,-451,-464,-183,-600,365,
184,-87,-416,254,417,106,-135,-786,233,-118*1
},
{/*28*/
-149,359,96,-264,974,-639,179,2,16,380,
229,237,563,342,-776,-73,53,-239,-278,98,
24,171,701,-276,-38,-474,-401,343,-131,-128,
-1022,-95,255,-837,-140,-52,610,-555,199,-42*1
},
{/*29*/
682,6,184,-31,671,19,-675,413,-525,-129,
353,-326,-856,-436,198,822,188,-392,394,787,
49,517,-593,591,-251,-783,307,236,826,-194,
536,-280,206,746,-932,69,451,-521,1,257*1
},
{/*30*/
233,912,-316,-473,856,-10,419,510,-346,-707,
-159,-1356,-299,355,0,75,-541,106,-130,193,
-46,-432,-547,24,160,-233,283,590,-433,-835,
-1222,869,733,836,568,347,-436,-342,535,-462*1
},
{/*31*/
-754,1201,-390,137,254,505,-102,-511,-689,418,
-229,474,-1,938,251,-494,-752,19,-196,171,
-384,-805,-36,419,81,-508,221,252,-383,-116,
61,-332,274,373,510,-819,-510,-67,542,325*1
},
};
__ALIGN32 CONST Ipp16s cngSeedOut[CNG_STACK_SIZE]={
-26766, 5273, -20980, 12987, 20566, 2637, -17200, -25649,
24058, -31807, 27220, 6819, -31650, -27403, 23192, 9015,
18306, 4585, -3684, -5749, -5274, -29027, 21344, 24991,
29706, 24337, 25572, 16243, -23186, -26811, -14552, -2297
};
__ALIGN32 CONST Ipp32s cngInvSqrt[CNG_STACK_SIZE]={
320863, 323781, 388729, 303149, 269026, 324406, 304813, 391279,
300993, 335038, 312683, 356481, 286752, 349341, 292467, 315662,
323859, 418904, 340163, 350720, 452932, 342818, 349410, 315175,
357434, 352913, 286583, 332201, 413044, 346627, 309243, 358885
};
__ALIGN32 CONST Ipp16s gammaFac1[2*(LPF_DIM+1)]={
IPP_MAX_16S,24000+576,18000+432,13000+824,10000+368,7000+776,5000+832,4000+374,3000+281,2000+461,1000+846,
IPP_MAX_16S,24000+576,18000+432,13000+824,10000+368,7000+776,5000+832,4000+374,3000+281,2000+461,1000+846
};
__ALIGN32 CONST Ipp16s g729gammaFac2_pst[LPF_DIM+1] = {
IPP_MAX_16S, BWF2_PST, 9000+912, 5000+451, 2000+998, 1000+649, 900+7, 400+99, 200+74, 100+51, 83
};
__ALIGN32 CONST Ipp16s g729gammaFac1_pst[LPF_DIM+1] = {
IPP_MAX_16S, BWF2, 16000+57, 11200+40, 7800+68, 5500+8, 3800+56, 2600+99, 1800+89, 1300+22, 900+25
};
static __ALIGN32 CONST Ipp16s gStats[6] ={400<<4,400<<3,400*6,400<<2,400<<1,400};
static __ALIGN32 CONST Ipp16s gThrs[6] ={955,819,614,410,205,0};
static __ALIGN32 CONST Ipp16s gStats1[6]={400<<4,400<<3,400<<2,400<<1,400};
/* ///////////////////////////////////////////////////////////////////////////////////////
// Name: updateExcErr_G729
// Purpose: update excitation error
// Parameters:
// pSrcDst - coder error
*/
void updateExcErr_G729( Ipp16s val, Ipp32s indx, Ipp32s *pSrcDst) {
Ipp32s i, area1, area2, L_tmp, L_tmp1=0, tmp = 0;
Ipp16s high, low;
L_tmp = -1;
if(indx < LP_SUBFRAME_DIM) {
high = (Ipp16s)(pSrcDst[0] >> 16);
low = (Ipp16s)((pSrcDst[0]>>1) & IPP_MAX_16S);
tmp = high*val + ((low*val)>>15);
tmp = (tmp << 2) + (Ipp32s)BWF_HARMONIC;
L_tmp = IPP_MAX(L_tmp,tmp);
high = (Ipp16s)(tmp >> 16);
low = (Ipp16s)((tmp>>1) & IPP_MAX_16S);
L_tmp1 = high*val + ((low*val)>>15);
L_tmp1 = ShiftL_32s(L_tmp1, 2);
L_tmp1 = Add_32s(L_tmp1, (Ipp32s)BWF_HARMONIC);
L_tmp = IPP_MAX(L_tmp,L_tmp1);
} else {
area1 = areas[indx-LP_SUBFRAME_DIM];
area2 = areas[indx-1];
for(i = area1; i <= area2; i++) {
high = (Ipp16s)(pSrcDst[i] >> 16);
low = (Ipp16s)((pSrcDst[i]>>1) & IPP_MAX_16S);
L_tmp1 = high*val + ((low*val)>>15);
L_tmp1 = (L_tmp1 << 2) + (Ipp32s)BWF_HARMONIC;
L_tmp = IPP_MAX(L_tmp,L_tmp1);
}
}
for(i=3; i>=1; i--) {
pSrcDst[i] = pSrcDst[i-1];
}
pSrcDst[0] = L_tmp;
return;
}
Ipp16s calcErr_G729(Ipp32s val, Ipp32s *pSrc) {
Ipp16s i, area1;
area1 = areas[IPP_MAX(0, val - LP_SUBFRAME_DIM - 10)];
for(i=areas[val + 10 - 2]; i>=area1; i--) {
if(pSrc[i] > 983040000)
return 1; /* Error threshold improving BWF_HARMONIC. * 60000. */
}
return 0;
}
/* ///////////////////////////////////////////////////////////////////////////////////////
// Name: Log2_G729
// Purpose: update excitation error
// Parameters:
// pDst1 - log2 integer part. 0<=val<=30
// pDst2 - log2 fractional part. 0<=val<1
// pSrcDst - coder error
*/
void Log2_G729(Ipp32s val, Ipp16s *pDst1, Ipp16s *pDst2) {
Ipp16s order, i, j;
Ipp32s L_tmp;
if( val <= 0 ) {
pDst1[0] = pDst2[0] = 0;
return;
}
order = Exp_32s(val);
val <<= order;
pDst1[0] = (Ipp16s)(30 - order);
i = (Ipp16s)(val>>25);
j = (Ipp16s)((val >> 10) & IPP_MAX_16S);
i -= 32;
L_tmp = logTable[i]<<15;
L_tmp -= (logTable[i] - logTable[i+1]) * j;
pDst2[0] = (Ipp16s)(L_tmp >> 15);
return;
}
void NoiseExcitationFactorization_G729B_16s(const Ipp16s *pSrc,
Ipp32s val1, Ipp16s val2, Ipp16s *pDst, Ipp32s len) {
Ipp32s order, L_tmp;
Ipp16s high, low, tmp1;
high = (Ipp16s)(val1>>16);
low = (Ipp16s)((val1>>1)&IPP_MAX_16S);
tmp1 = (Ipp16s)(((val2 * 19043)+BWF_HARMONIC)>>15);
tmp1 = (Ipp16s)(tmp1 + val2);
L_tmp = high*tmp1 + ((low*tmp1)>>15);
order = Norm_32s_I(&L_tmp);
tmp1 = (Ipp16s)(L_tmp>>16);
order -= 15;
ippsMulC_NR_16s_Sfs(pSrc,tmp1,pDst,len,15);
if(order<0) {
ippsLShiftC_16s_I(-order,pDst,len);
} else if(order>0) {
Ipp16s const1=(Ipp16s)(1<<(order-1));
ippsAddC_16s_I(const1,pDst,len);
/* ippsRShiftC_NR_16s_I() */
ippsRShiftC_16s_I(order,pDst,len);
}
}
Ipp32s ComfortNoiseExcitation_G729B_16s_I(const Ipp16s *pSrc, const Ipp16s *pPos,
const Ipp16s *pSign, Ipp16s val, Ipp16s val1,
Ipp16s *pSrcDst, Ipp16s *pSrcDst1, Ipp16s *shiftDst){
Ipp16s i, j, tmp1, tmp2, max, high, low, tmp3;
Ipp16s x1, x2, x3 = (Ipp16s)(val1<<1);
Ipp16s sVal0, sVal1, sVal2, sVal3;
Ipp32s L_tmp, L_tmp1, L_tmp2, order, deltaSign = 1;
ippsMulC_NR_16s_ISfs(x3,pSrcDst,LP_SUBFRAME_DIM,15);
ippsAdd_16s_ISfs(pSrc,pSrcDst,LP_SUBFRAME_DIM,0);
ippsMax_16s(pSrcDst,LP_SUBFRAME_DIM,&tmp1);
ippsMin_16s(pSrcDst,LP_SUBFRAME_DIM,&tmp2);
if(tmp2==IPP_MIN_16S)
tmp2++;
if(tmp2<0)
tmp2 = (Ipp16s)(-tmp2);
max = (Ipp16s)(IPP_MAX(tmp1,tmp2));
if(max == 0)
order = 0;
else {
order = 3 - Exp_16s(max);
if(order < 0)
order = 0;
}
ippsRShiftC_16s(pSrcDst,order,shiftDst, LP_SUBFRAME_DIM);
ippsDotProd_16s32s_Sfs(shiftDst,shiftDst, LP_SUBFRAME_DIM, &L_tmp1, 0);
L_tmp1 <<= 1;
tmp3 = 0;
for(i=0; i<4; i++) {
j = pPos[i];
if(pSign[i] == 0) {
tmp3 = (Ipp16s)(tmp3 - (pSrcDst[j] >> order));
} else {
tmp3 = (Ipp16s)(tmp3 + (pSrcDst[j] >> order));
}
}
L_tmp = val * LP_SUBFRAME_DIM;
L_tmp >>= 5;
L_tmp2 = val * L_tmp;
tmp1 = (Ipp16s)(order<<1);
L_tmp = L_tmp2 >> tmp1;
L_tmp -= L_tmp1;
tmp3 >>= 1;
L_tmp += (tmp3 * tmp3)<<1;
order++;
if(L_tmp < 0) {
sVal0 = Abs_16s(pSrc[pPos[0]]); sVal1 = Abs_16s(pSrc[pPos[1]]);
sVal2 = Abs_16s(pSrc[pPos[2]]); sVal3 = Abs_16s(pSrc[pPos[3]]);
ippsCopy_16s(pSrc, pSrcDst, LP_SUBFRAME_DIM);
tmp1 = (Ipp16s)(sVal0 | sVal1);
tmp2 = (Ipp16s)(sVal2 | sVal3);
tmp1 = (Ipp16s)(tmp1 | tmp2);
order = ((tmp1 & BWF_HARMONIC) == 0) ? 1 : 2;
for(tmp3=i=0; i<4; i++) {
tmp1 = (Ipp16s)(pSrc[pPos[i]] >> order);
if(pSign[i] == 0) {
tmp3 = (Ipp16s)(tmp3 - tmp1);
} else {
tmp3 = (Ipp16s)(tmp3 + tmp1);
}
}
high = (Ipp16s)(L_tmp2>>15);
low = (Ipp16s)(L_tmp2 & IPP_MAX_16S);
L_tmp = high * 24576 + ((low*24576)>>15);
tmp1 = (Ipp16s)(2 * order - 2);
L_tmp = L_tmp >> tmp1;
L_tmp += 2 * tmp3 * tmp3;
deltaSign = -1;
}
tmp2 = (Ipp16s)ownSqrt_32s(L_tmp>>1);
x1 = (Ipp16s)(tmp2 - tmp3);
x2 = (Ipp16s)(-(tmp3 + tmp2));
sVal1 = Abs_16s(x1);
sVal2 = Abs_16s(x2);
if(sVal2 < sVal1)
x1 = x2;
tmp1 = (Ipp16s)(2 - order);
if(tmp1>=0)
pSrcDst1[0] = ShiftR_NR_16s(x1, tmp1);
else
pSrcDst1[0] = ShiftL_16s((Ipp16s)x1, (Ipp16u)(-tmp1));
if(pSrcDst1[0] > 5000)
pSrcDst1[0] = 5000;
else
if(pSrcDst1[0] < -5000)
pSrcDst1[0] = -5000;
for(i=0; i<4; i++) {
j = pPos[i];
if(pSign[i] != 0) {
pSrcDst[j] = (Ipp16s)(pSrcDst[j] + pSrcDst1[0]);
} else {
pSrcDst[j] = (Ipp16s)(pSrcDst[j] - pSrcDst1[0]);
}
}
return deltaSign;
}
void RandomCodebookParm_G729B_16s(Ipp16s *pSeed, Ipp16s *pPos, Ipp16s *pSign,
Ipp16s *pGain, Ipp16s* delay){
Ipp16s tmp1, tmp2;
Ipp16s fractal;
/* generate random adaptive codebook & fixed codebook parameters */
tmp1 = Rand_16s(pSeed);
fractal = (Ipp16s)((tmp1 & 3) - 1);
if(fractal == 2)
fractal = 0;
tmp1 >>= 2;
delay[0] = (Ipp16s)((tmp1 & 0x003f) + 40);
tmp1 >>= 6;
tmp2 = (Ipp16s)(tmp1 & 7);
pPos[0] = (Ipp16s)(5 * tmp2);
tmp1 >>= 3;
pSign[0] = (Ipp16s)(tmp1 & 1);
tmp1 >>= 1;
tmp2 = (Ipp16s)(tmp1 & 7);
pPos[1] = (Ipp16s)(5 * tmp2 + 1);
tmp1 >>= 3;
pSign[1] = (Ipp16s)(tmp1 & 1);
tmp1 = Rand_16s(pSeed);
tmp2 = (Ipp16s)(tmp1 & 7);
pPos[2] = (Ipp16s)(5 * tmp2 + 2);
tmp1 >>= 3;
pSign[2] = (Ipp16s)(tmp1 & 1);
tmp1 >>= 1;
tmp2 = (Ipp16s)(tmp1 & 0x000f);
pPos[3] = (Ipp16s)((tmp2 & 1) + 3);
tmp2 = (Ipp16s)((tmp2>>1) & 7);
pPos[3] = (Ipp16s)(pPos[3] + 5 * tmp2);
tmp1 >>= 4;
pSign[3] = (Ipp16s)(tmp1 & 1);
delay[1] = fractal;
*pGain = (Ipp16s)(Rand_16s(pSeed) & 0x1fff);
}
static Ipp16s ownQuantizeEnergy(Ipp32s val, Ipp16s order, Ipp16s *pDst) {
Ipp16s exp, fractal, tmp, tmp1, index;
Log2_G729(val, &exp, &fractal);
tmp1 = (Ipp16s)(exp - order);
tmp = (Ipp16s)(tmp1 << 10);
tmp = (Ipp16s)(tmp + ((fractal + 0x10)>>5));
if(tmp <= -2721) {/* 8 dB */
pDst[0] = -12;
return 0;
}
if(tmp > 22111) { /* 65 dB */
pDst[0] = 66;
return 31;
}
if(tmp <= 4762) { /* 14 dB */
tmp += 3401;
index = (Ipp16s)((tmp * 24)>>15);
if(index < 1)
index = 1;
pDst[0] = (Ipp16s)((index<<2) - 8);
return index;
}
tmp -= 340;
index = (Ipp16s)(((tmp*193)>>17) - 1);
if(index < 6)
index = 6;
pDst[0] = (Ipp16s)((index<<1) + 4);
return(index);
}
/* ///////////////////////////////////////////////////////////////////////////////////////
// Name: QuantSIDGain_G729B_16s
// Purpose:
// Parameters:
// pSrc array of energies
// pSrcSfs corresponding scaling factors
// len number of energies
// pDst decoded energies in dB
// pIndx SID gain quantization index
*/
void QuantSIDGain_G729B_16s (const Ipp16s *pSrc, const Ipp16s *pSrcSfs,
Ipp32s len, Ipp16s *pDst, Ipp32s *pDstIndx){
Ipp16s i,order,temp,high,low;
Ipp32s val;
if(len == 0) {
val = *pSrc;
if(pSrcSfs[0]<0)
val >>= - pSrcSfs[0];
else
val <<= pSrcSfs[0];
order = 0;
high = (Ipp16s)(val >> 16);
low = (Ipp16s)((val>>1)&IPP_MAX_16S);
val = high * t[0] + ((low * t[0])>>15);
} else {
ippsMin_16s(pSrcSfs,len,&order);
order = (Ipp16s)(order + 16 - t1[len]);
val = 0;
for(i=0; i<len; i++) {
temp = (Ipp16s)(order - pSrcSfs[i]);
val += (pSrc[i]<<temp);
}
high = (Ipp16s)(val >> 16);
low = (Ipp16s)((val>>1)&IPP_MAX_16S);
val = high * t[i] + (((low * t[i] >> 1) & 0xffff8000)>>14);
}
*pDstIndx = ownQuantizeEnergy(val, order, pDst);
}
void Sum_G729_16s_Sfs(const Ipp16s *pSrc, const Ipp16s *pSrcSfs,
Ipp16s *pDst, Ipp16s *pDSfs, Ipp32s len, Ipp32s* pSum) {
Ipp16s sfs, order;
Ipp16s i, j;
sfs = pSrcSfs[0];
for(i=1; i<len; i++) {
if(pSrcSfs[i] < sfs)
sfs = pSrcSfs[i];
}
for(j=0; j<LPF_DIM+1; j++) {
pSum[j] = 0;
}
sfs += 14;
for(i=0; i<len; i++) {
order = (Ipp16s)(sfs - pSrcSfs[i]);
if(order<0) {
for(j=0; j<LPF_DIM+1; j++) {
pSum[j] += pSrc[(LPF_DIM+1)*i+j] >> -order;
}
} else {
for(j=0; j<LPF_DIM+1; j++) {
pSum[j] += pSrc[(LPF_DIM+1)*i+j] << order;
}
}
}
order = Norm_32s_I(&pSum[0]);
pDst[0] = (Ipp16s)(pSum[0]>>16);
for(i=1; i<=LPF_DIM; i++) {
pDst[i] = (Ipp16s)((pSum[i]<<order)>>16);
}
order -= 16;
*pDSfs = (Ipp16s)(sfs + order);
}
void VADMusicDetection(G729Codec_Type codecType,Ipp32s autoCorr,Ipp16s expAutoCorr,Ipp16s *pRc,
Ipp16s *lags, Ipp16s *pgains,Ipp16s stat_flg,Ipp16s *Vad,Ipp8s* pVADmem) {
Ipp16s i, j, exp, fractal, tmp, tmp1, tmp2, tmp3, flag1, flag2, flag,
pderr=IPP_MAX_16S, logE , spectrDist, threshold;
Ipp32s L_tmp;
VADmemory_Obj *vadMem = (VADmemory_Obj*)pVADmem;
for(i=0; i<4; i++) {
j = (Ipp16s)((pRc[i] * pRc[i])>>15);
j = (Ipp16s)(IPP_MAX_16S - j);
pderr = (Ipp16s)((pderr * j)>>15);
}
L_tmp = 2*(autoCorr>>16)*pderr + 2*((((autoCorr>>1)&0x7fff)*pderr)>>15);
Log2_G729(L_tmp, &exp, &fractal);
L_tmp = 9864*exp + ((fractal*9864)>>15);
i = (Ipp16s)(expAutoCorr - 2);
L_tmp += 9864 * i;
L_tmp = ShiftL_32s(L_tmp,12);
logE = (Ipp16s)((L_tmp>>16) - 4875);
L_tmp = 0;
for(i=0; i<10; i++) {
j = (Ipp16s)(vadMem->musicRC[i] - pRc[i]);
L_tmp += j * j;
}
if(L_tmp > IPP_MAX_32S/2)
spectrDist = IPP_MAX_32S >> 16;
else
spectrDist = (Ipp16s)(L_tmp>>15);
if( *Vad == 0 ) {
for(i=0; i<10; i++) {
L_tmp = COEFF1 * vadMem->musicRC[i];
L_tmp += PITCH_SHARP_MIN * pRc[i];
vadMem->musicRC[i] = (Ipp16s)(L_tmp>>15);
}
L_tmp = COEFF1 * vadMem->musicSEMean;
L_tmp += PITCH_SHARP_MIN * logE;
vadMem->musicSEMean = (Ipp16s)(L_tmp>>15);
}
/* flag determination */
tmp3=0; L_tmp=0;
for(i=0; i<5; i++) {
L_tmp += pgains[i] * 6554;
tmp3 = (Ipp16s)(tmp3 + lags[i]);
}
L_tmp = (L_tmp>>15) * 6554;
L_tmp += vadMem->MeanPgain * 26214;
vadMem->MeanPgain = (Ipp16s)(L_tmp>>15);
L_tmp = 0;
for(i=0; i<5; i++) {
j = (Ipp16s)(lags[i] << 2);
j = (Ipp16s)(j + lags[i]);
j = (Ipp16s)(j - tmp3);
L_tmp += j * j;
}
if(L_tmp > 256)
tmp2 = IPP_MAX_32S>>16;
else
tmp2 = (Ipp16s)(L_tmp<<7);
if( codecType == G729D_CODEC)
threshold = 11960;
else
threshold = 10322;
if(vadMem->MeanPgain > threshold)
flag2 =1;
else
flag2 =0;
if( (tmp2 < 21632) && (vadMem->MeanPgain > 7373))
flag1 =1;
else
flag1 =0;
flag= (Ipp16s)(((vadMem->VADPrev & (flag1 | flag2))| (flag2)));
if( (pRc[1] <= 14746) && (pRc[1] >= 0) && (vadMem->MeanPgain < BWF_HARMONIC_E))
vadMem->conscCounterFlagR++;
else
vadMem->conscCounterFlagR =0;
if( (stat_flg == 1) && (*Vad == 1))
vadMem->musicCounter += 256;
if( (vadMem->frameCounter & 0x003f) == 0) {
if( vadMem->frameCounter == 64)
vadMem->musicMCounter = vadMem->musicCounter;
else {
L_tmp = COEFF1 * vadMem->musicMCounter;
L_tmp += PITCH_SHARP_MIN * vadMem->musicCounter;
vadMem->musicMCounter = (Ipp16s)(L_tmp>>15);
}
}
if( vadMem->musicCounter == 0)
vadMem->conscCounter++;
else
vadMem->conscCounter = 0;
if( ((vadMem->conscCounter > 500) || (vadMem->conscCounterFlagR > 150))) vadMem->musicMCounter = 0;
if( (vadMem->frameCounter & 0x003f) == 0) {
vadMem->musicCounter = 0;
}
if( flag== 1 )
vadMem->count_pflag += 256;
if( (vadMem->frameCounter & 0x003f) == 0) {
if( vadMem->frameCounter == 64)
vadMem->Mcount_pflag = vadMem->count_pflag;
else {
if(vadMem->count_pflag > 6400) {
tmp1 = N0_98;
tmp = 655;
} else
if(vadMem->count_pflag > 5120) {
tmp1 = 31130;
tmp = 1638;
} else {
tmp1 = COEFF1;
tmp = PITCH_SHARP_MIN;
}
L_tmp = tmp1 * vadMem->Mcount_pflag;
L_tmp += tmp * vadMem->count_pflag;
vadMem->Mcount_pflag = (Ipp16s)(L_tmp>>15);
}
}
if( vadMem->count_pflag == 0)
vadMem->conscCounterFlagP++;
else
vadMem->conscCounterFlagP = 0;
if(((vadMem->conscCounterFlagP > 100) || (vadMem->conscCounterFlagR > 150))) vadMem->Mcount_pflag = 0;
if( (vadMem->frameCounter & 0x003f) == 0)
vadMem->count_pflag = 0;
if(codecType == G729E_CODEC) {
if( (spectrDist > 4915) && (logE > (vadMem->musicSEMean + 819)) && (vadMem->VADPrevEnergy > 10240) )
*Vad =1;
else if( ((spectrDist > 12452) || (logE > (vadMem->musicSEMean + 819))) &&
(vadMem->VADPrevEnergy > 10240) )
*Vad =1;
else if( ( (vadMem->Mcount_pflag > 2560) || (vadMem->musicMCounter > 280) || (vadMem->frameCounter < 64))
&& (vadMem->VADPrevEnergy > 1433))
*Vad =1;
}
return;
}
void SynthesisFilterOvf_G729_16s_I(const Ipp16s * pLPC, Ipp16s * pSrcDst,
Ipp32s len, Ipp8s * pMemUpdated,Ipp32s histLen) {
Ipp32s nTaps;
SynthesisFilterState *SynFltSt;
SynFltSt=(SynthesisFilterState*)pMemUpdated;
nTaps = SynFltSt->nTaps;
if(!histLen)
ippsSynthesisFilter_G729E_16s_I(pLPC,30, pSrcDst, len, SynFltSt->buffer);
else
ippsSynthesisFilterLow_NR_16s_ISfs(pLPC,pSrcDst, len, 12, SynFltSt->buffer+histLen);
ippsCopy_16s((pSrcDst+len-nTaps), SynFltSt->buffer, nTaps);
}
IppStatus SynthesisFilter_G729_16s (const Ipp16s * pLPC, const Ipp16s * pSrc,
Ipp16s * pDst, Ipp32s len, Ipp8s * pMemUpdated,Ipp32s histLen) {
Ipp32s nTaps;
SynthesisFilterState *SynFltSt;
IppStatus sts=ippStsNoErr;
SynFltSt=(SynthesisFilterState*)pMemUpdated;
nTaps = SynFltSt->nTaps;
if(histLen==0)
ippsSynthesisFilter_G729E_16s(pLPC, 30,pSrc, pDst, len, SynFltSt->buffer);
else
sts = ippsSynthesisFilter_NR_16s_Sfs(pLPC,pSrc,pDst, len, 12, SynFltSt->buffer+histLen);
if(sts != ippStsOverflow)
ippsCopy_16s((pDst+len-nTaps), SynFltSt->buffer, nTaps);
return sts;
}
IppStatus SynthesisFilter_G729_16s_update (const Ipp16s * pLPC, const Ipp16s * pSrc,
Ipp16s * pDst, Ipp32s len, Ipp8s * pMemUpdated,Ipp32s histLen, Ipp32s update) {
Ipp32s nTaps;
SynthesisFilterState *SynFltSt;
IppStatus sts=ippStsNoErr;
SynFltSt=(SynthesisFilterState*)pMemUpdated;
nTaps = SynFltSt->nTaps;
if(histLen==0) ippsSynthesisFilter_G729E_16s(pLPC, 30,pSrc, pDst, len, SynFltSt->buffer);
else
sts = ippsSynthesisFilter_NR_16s_Sfs(pLPC,pSrc,pDst, len, 12, SynFltSt->buffer+histLen);
if((sts != ippStsOverflow)&&(update==1))
ippsCopy_16s((pDst+len-nTaps), SynFltSt->buffer, nTaps);
return sts;
}
void SynthesisFilterOvf_G729_16s (const Ipp16s * pLPC, const Ipp16s * pSrc,
Ipp16s * pDst, Ipp32s len, Ipp8s * pMemUpdated,Ipp32s histLen) {
Ipp32s nTaps;
SynthesisFilterState *SynFltSt;
SynFltSt=(SynthesisFilterState*)pMemUpdated;
nTaps = SynFltSt->nTaps;
if(histLen==0) ippsSynthesisFilter_G729E_16s(pLPC, 30, pSrc, pDst, len, SynFltSt->buffer);
else
ippsSynthesisFilter_NR_16s_Sfs(pLPC,pSrc,pDst, len, 12, SynFltSt->buffer+histLen);
ippsCopy_16s((pDst+len-nTaps), SynFltSt->buffer, nTaps);
}
void SynthesisFilterSize_G729 (Ipp32s *pSize) {
*pSize = sizeof(SynthesisFilterState)+BWLPCF_DIM*sizeof(Ipp16s);
*pSize += 32;
}
void SynthesisFilterInit_G729 (Ipp8s * pMemUpdated) {
SynthesisFilterState *SynFltSt;
Ipp32s size;
SynFltSt=(SynthesisFilterState*)pMemUpdated;
size = sizeof(SynthesisFilterState);
SynFltSt->buffer = (Ipp16s*)((Ipp8s*)SynFltSt + size);
//SynFltSt->buffer = (Ipp16s*)(((((Ipp8s*)SynFltSt->buffer + 7) - (Ipp8s*)NULL)&~7));
SynFltSt->buffer = IPP_ALIGNED_PTR(SynFltSt->buffer, 32);
SynFltSt->nTaps = BWLPCF_DIM;
ippsZero_16s(SynFltSt->buffer,BWLPCF_DIM);
}
void CodewordImpConv_G729(Ipp32s index, const Ipp16s *pSrc1,const Ipp16s *pSrc2,Ipp16s *pDst) {
Ipp32s i;
Ipp32s sign0, sign1, sign2, sign3; /* 1, -1 */
Ipp32s idx0, idx1, idx2, idx3; /* position*/
idx0 = index & 0x7;
idx1 = (index>>3) & 0x7;
idx2 = (index>>6) & 0x7;
idx3 = index>>9;
idx0 = (idx0<<2)+idx0;
idx1 = (idx1<<2)+idx1+1;
idx2 = (idx2<<2)+idx2+2;
idx3 = ((idx3>>1)<<2)+(idx3>>1)+(idx3&1)+3;
if(idx0>idx1) {
i=idx0; idx0=idx1; idx1=i;
}
if(idx2>idx3) {
i=idx2; idx2=idx3; idx3=i;
}
if(idx0>idx2) {
i=idx0; idx0=idx2; idx2=i;
}
if(idx1>idx3) {
i=idx1; idx1=idx3; idx3=i;
}
if(idx1>idx2) {
i=idx1; idx1=idx2; idx2=i;
}
sign0 = ((pSrc1[idx0] >> 15)<<1)+1;
sign1 = ((pSrc1[idx1] >> 15)<<1)+1;
sign2 = ((pSrc1[idx2] >> 15)<<1)+1;
sign3 = ((pSrc1[idx3] >> 15)<<1)+1;
for(i=0; i<idx0; i++)
pDst[i]=0;
for(; i<idx1; i++)
pDst[i]=(Ipp16s)(sign0*pSrc2[i-idx0]);
for(; i<idx2; i++)
pDst[i]=Cnvrt_32s16s(sign0*pSrc2[i-idx0]+sign1*pSrc2[i-idx1]);
for(; i<idx3; i++)
pDst[i]=Cnvrt_32s16s(sign0*pSrc2[i-idx0]+sign1*pSrc2[i-idx1]+sign2*pSrc2[i-idx2]);
for(; i<LP_SUBFRAME_DIM; i++)
pDst[i]=Cnvrt_32s16s(sign0*pSrc2[i-idx0]+sign1*pSrc2[i-idx1]+sign2*pSrc2[i-idx2]+sign3*pSrc2[i-idx3]);
}
/*=============================================================
// pSrc - reflection coefficients
// pDst - log area ratio coefficients
*/
void _ippsRCToLAR_G729_16s (const Ipp16s* pSrc, Ipp16s* pDst, Ipp32s len) {
Ipp16s refC, Ax;
Ipp32s i, L_tmp, L_Bx;
for(i=0; i<len; i++) {
refC = Abs_16s(pSrc[i]);
refC >>= 4;
if(refC <= 1299 /* 0.6341 */) {
pDst[i] = refC;
} else {
if(refC <= 1815 /* 0.8864 */) {
Ax = 4567;
L_Bx = 3271557L/* 0.78 */;
} else if(refC <= 1944 /* 0.9490 */) {
Ax = 11776 /* 5.75 */;
L_Bx = 16357786L /* 3.90 */;
} else {
Ax = 27443 /* 13.40 */;
L_Bx = 46808433L /* 11.16 */;
}
refC >>= 1;
L_tmp = (refC * Ax)<<1;
L_tmp=Sub_32s(L_tmp,L_Bx);
pDst[i] = (Ipp16s)(L_tmp >> 11);
}
if(pSrc[i] < 0) {
pDst[i]=Cnvrt_32s16s(-pDst[i]);
}
}
}
/* ///////////////////////////////////////////////////////////////////////////////////////
// Name: ownMakeDecision
// Purpose:
// Parameters:
// bwf1 - banwidth expansion parameter
// bwf2 - bandwidth expansion parameter
// intLSF - interpolated LSF
// newLSF - new LSF vector for 2nd subframe
// pRc - reflection coefficients
*/
void _ippsPWGammaFactor_G729_16s ( const Ipp16s *pLAR, const Ipp16s *pLSF,
Ipp16s *flat, Ipp16s *pGamma1, Ipp16s *pGamma2, Ipp16s *pMem ) {
Ipp16s lar0, lar1, bwf1,bwf2;
Ipp32s i, L_tmp, L_min;