internal static void silk_PLC_conceal(
SilkChannelDecoder psDec, /* I/O Decoder state */
SilkDecoderControl psDecCtrl, /* I/O Decoder control */
short[] frame, /* O LPC residual signal */
int frame_ptr
)
{
int i, j, k;
int lag, idx, sLTP_buf_idx;
int rand_seed, harm_Gain_Q15, rand_Gain_Q15, inv_gain_Q30;
int energy1, energy2, shift1, shift2;
int rand_ptr;
int pred_lag_ptr;
int LPC_pred_Q10, LTP_pred_Q12;
short rand_scale_Q14;
short[] B_Q14;
int sLPC_Q14_ptr;
short[] sLTP = new short[psDec.ltp_mem_length];
int[] sLTP_Q14 = new int[psDec.ltp_mem_length + psDec.frame_length];
PLCStruct psPLC = psDec.sPLC;
int[] prevGain_Q10 = new int[2];
prevGain_Q10[0] = Inlines.silk_RSHIFT(psPLC.prevGain_Q16[0], 6);
prevGain_Q10[1] = Inlines.silk_RSHIFT(psPLC.prevGain_Q16[1], 6);
if (psDec.first_frame_after_reset != 0)
{
Arrays.MemSetShort(psPLC.prevLPC_Q12, 0, SilkConstants.MAX_LPC_ORDER);
}
silk_PLC_energy(out energy1, out shift1, out energy2, out shift2, psDec.exc_Q14, prevGain_Q10, psDec.subfr_length, psDec.nb_subfr);
if (Inlines.silk_RSHIFT(energy1, shift2) < Inlines.silk_RSHIFT(energy2, shift1))
{
/* First sub-frame has lowest energy */
rand_ptr = Inlines.silk_max_int(0, (psPLC.nb_subfr - 1) * psPLC.subfr_length - SilkConstants.RAND_BUF_SIZE);
}
else
{
/* Second sub-frame has lowest energy */
rand_ptr = Inlines.silk_max_int(0, psPLC.nb_subfr * psPLC.subfr_length - SilkConstants.RAND_BUF_SIZE);
}
/* Set up Gain to random noise component */
B_Q14 = psPLC.LTPCoef_Q14;
rand_scale_Q14 = psPLC.randScale_Q14;
/* Set up attenuation gains */
harm_Gain_Q15 = HARM_ATT_Q15[Inlines.silk_min_int(NB_ATT - 1, psDec.lossCnt)];
if (psDec.prevSignalType == SilkConstants.TYPE_VOICED)
{
rand_Gain_Q15 = PLC_RAND_ATTENUATE_V_Q15[Inlines.silk_min_int(NB_ATT - 1, psDec.lossCnt)];
}
else
{
rand_Gain_Q15 = PLC_RAND_ATTENUATE_UV_Q15[Inlines.silk_min_int(NB_ATT - 1, psDec.lossCnt)];
}
/* LPC concealment. Apply BWE to previous LPC */
BWExpander.silk_bwexpander(psPLC.prevLPC_Q12, psDec.LPC_order, ((int)((SilkConstants.BWE_COEF) * ((long)1 << (16)) + 0.5)) /*Inlines.SILK_CONST(SilkConstants.BWE_COEF, 16)*/);
/* First Lost frame */
if (psDec.lossCnt == 0)
{
rand_scale_Q14 = 1 << 14;
/* Reduce random noise Gain for voiced frames */
if (psDec.prevSignalType == SilkConstants.TYPE_VOICED)
{
for (i = 0; i < SilkConstants.LTP_ORDER; i++)
{
rand_scale_Q14 -= B_Q14[i];
}
rand_scale_Q14 = Inlines.silk_max_16(3277, rand_scale_Q14); /* 0.2 */
rand_scale_Q14 = (short)Inlines.silk_RSHIFT(Inlines.silk_SMULBB(rand_scale_Q14, psPLC.prevLTP_scale_Q14), 14);
}
else
{
/* Reduce random noise for unvoiced frames with high LPC gain */
int invGain_Q30, down_scale_Q30;
invGain_Q30 = LPCInversePredGain.silk_LPC_inverse_pred_gain(psPLC.prevLPC_Q12, psDec.LPC_order);
down_scale_Q30 = Inlines.silk_min_32(Inlines.silk_RSHIFT((int)1 << 30, SilkConstants.LOG2_INV_LPC_GAIN_HIGH_THRES), invGain_Q30);
down_scale_Q30 = Inlines.silk_max_32(Inlines.silk_RSHIFT((int)1 << 30, SilkConstants.LOG2_INV_LPC_GAIN_LOW_THRES), down_scale_Q30);
down_scale_Q30 = Inlines.silk_LSHIFT(down_scale_Q30, SilkConstants.LOG2_INV_LPC_GAIN_HIGH_THRES);
rand_Gain_Q15 = Inlines.silk_RSHIFT(Inlines.silk_SMULWB(down_scale_Q30, rand_Gain_Q15), 14);
}
}
rand_seed = psPLC.rand_seed;
lag = Inlines.silk_RSHIFT_ROUND(psPLC.pitchL_Q8, 8);
sLTP_buf_idx = psDec.ltp_mem_length;
/* Rewhiten LTP state */
idx = psDec.ltp_mem_length - lag - psDec.LPC_order - SilkConstants.LTP_ORDER / 2;
Inlines.OpusAssert(idx > 0);
Filters.silk_LPC_analysis_filter(sLTP, idx, psDec.outBuf, idx, psPLC.prevLPC_Q12, 0, psDec.ltp_mem_length - idx, psDec.LPC_order);
/* Scale LTP state */
inv_gain_Q30 = Inlines.silk_INVERSE32_varQ(psPLC.prevGain_Q16[1], 46);
inv_gain_Q30 = Inlines.silk_min(inv_gain_Q30, int.MaxValue >> 1);
for (i = idx + psDec.LPC_order; i < psDec.ltp_mem_length; i++)
{
sLTP_Q14[i] = Inlines.silk_SMULWB(inv_gain_Q30, sLTP[i]);
}
/***************************/
/* LTP synthesis filtering */
/***************************/
for (k = 0; k < psDec.nb_subfr; k++)
{
/* Set up pointer */
pred_lag_ptr = sLTP_buf_idx - lag + SilkConstants.LTP_ORDER / 2;
for (i = 0; i < psDec.subfr_length; i++)
{
/* Unrolled loop */
/* Avoids introducing a bias because Inlines.silk_SMLAWB() always rounds to -inf */
LTP_pred_Q12 = 2;
LTP_pred_Q12 = Inlines.silk_SMLAWB(LTP_pred_Q12, sLTP_Q14[pred_lag_ptr], B_Q14[0]);
LTP_pred_Q12 = Inlines.silk_SMLAWB(LTP_pred_Q12, sLTP_Q14[pred_lag_ptr - 1], B_Q14[1]);
LTP_pred_Q12 = Inlines.silk_SMLAWB(LTP_pred_Q12, sLTP_Q14[pred_lag_ptr - 2], B_Q14[2]);
LTP_pred_Q12 = Inlines.silk_SMLAWB(LTP_pred_Q12, sLTP_Q14[pred_lag_ptr - 3], B_Q14[3]);
LTP_pred_Q12 = Inlines.silk_SMLAWB(LTP_pred_Q12, sLTP_Q14[pred_lag_ptr - 4], B_Q14[4]);
pred_lag_ptr++;
/* Generate LPC excitation */
rand_seed = Inlines.silk_RAND(rand_seed);
idx = Inlines.silk_RSHIFT(rand_seed, 25) & SilkConstants.RAND_BUF_MASK;
sLTP_Q14[sLTP_buf_idx] = Inlines.silk_LSHIFT32(Inlines.silk_SMLAWB(LTP_pred_Q12, psDec.exc_Q14[rand_ptr + idx], rand_scale_Q14), 2);
sLTP_buf_idx++;
}
/* Gradually reduce LTP gain */
for (j = 0; j < SilkConstants.LTP_ORDER; j++)
{
B_Q14[j] = (short)(Inlines.silk_RSHIFT(Inlines.silk_SMULBB(harm_Gain_Q15, B_Q14[j]), 15));
}
/* Gradually reduce excitation gain */
rand_scale_Q14 = (short)(Inlines.silk_RSHIFT(Inlines.silk_SMULBB(rand_scale_Q14, rand_Gain_Q15), 15));
/* Slowly increase pitch lag */
psPLC.pitchL_Q8 = Inlines.silk_SMLAWB(psPLC.pitchL_Q8, psPLC.pitchL_Q8, SilkConstants.PITCH_DRIFT_FAC_Q16);
psPLC.pitchL_Q8 = Inlines.silk_min_32(psPLC.pitchL_Q8, Inlines.silk_LSHIFT(Inlines.silk_SMULBB(SilkConstants.MAX_PITCH_LAG_MS, psDec.fs_kHz), 8));
lag = Inlines.silk_RSHIFT_ROUND(psPLC.pitchL_Q8, 8);
}
/***************************/
/* LPC synthesis filtering */
/***************************/
sLPC_Q14_ptr = psDec.ltp_mem_length - SilkConstants.MAX_LPC_ORDER;
/* Copy LPC state */
Array.Copy(psDec.sLPC_Q14_buf, 0, sLTP_Q14, sLPC_Q14_ptr, SilkConstants.MAX_LPC_ORDER);
Inlines.OpusAssert(psDec.LPC_order >= 10); /* check that unrolling works */
for (i = 0; i < psDec.frame_length; i++)
{
/* partly unrolled */
int sLPCmaxi = sLPC_Q14_ptr + SilkConstants.MAX_LPC_ORDER + i;
/* Avoids introducing a bias because Inlines.silk_SMLAWB() always rounds to -inf */
LPC_pred_Q10 = Inlines.silk_RSHIFT(psDec.LPC_order, 1);
LPC_pred_Q10 = Inlines.silk_SMLAWB(LPC_pred_Q10, sLTP_Q14[sLPCmaxi - 1], psPLC.prevLPC_Q12[0]);
LPC_pred_Q10 = Inlines.silk_SMLAWB(LPC_pred_Q10, sLTP_Q14[sLPCmaxi - 2], psPLC.prevLPC_Q12[1]);
LPC_pred_Q10 = Inlines.silk_SMLAWB(LPC_pred_Q10, sLTP_Q14[sLPCmaxi - 3], psPLC.prevLPC_Q12[2]);
LPC_pred_Q10 = Inlines.silk_SMLAWB(LPC_pred_Q10, sLTP_Q14[sLPCmaxi - 4], psPLC.prevLPC_Q12[3]);
LPC_pred_Q10 = Inlines.silk_SMLAWB(LPC_pred_Q10, sLTP_Q14[sLPCmaxi - 5], psPLC.prevLPC_Q12[4]);
LPC_pred_Q10 = Inlines.silk_SMLAWB(LPC_pred_Q10, sLTP_Q14[sLPCmaxi - 6], psPLC.prevLPC_Q12[5]);
LPC_pred_Q10 = Inlines.silk_SMLAWB(LPC_pred_Q10, sLTP_Q14[sLPCmaxi - 7], psPLC.prevLPC_Q12[6]);
LPC_pred_Q10 = Inlines.silk_SMLAWB(LPC_pred_Q10, sLTP_Q14[sLPCmaxi - 8], psPLC.prevLPC_Q12[7]);
LPC_pred_Q10 = Inlines.silk_SMLAWB(LPC_pred_Q10, sLTP_Q14[sLPCmaxi - 9], psPLC.prevLPC_Q12[8]);
LPC_pred_Q10 = Inlines.silk_SMLAWB(LPC_pred_Q10, sLTP_Q14[sLPCmaxi - 10], psPLC.prevLPC_Q12[9]);
for (j = 10; j < psDec.LPC_order; j++)
{
LPC_pred_Q10 = Inlines.silk_SMLAWB(LPC_pred_Q10, sLTP_Q14[sLPCmaxi - j - 1], psPLC.prevLPC_Q12[j]);
}
/* Add prediction to LPC excitation */
sLTP_Q14[sLPCmaxi] = Inlines.silk_ADD_LSHIFT32(sLTP_Q14[sLPCmaxi], LPC_pred_Q10, 4);
/* Scale with Gain */
frame[frame_ptr + i] = (short)Inlines.silk_SAT16(Inlines.silk_SAT16(Inlines.silk_RSHIFT_ROUND(Inlines.silk_SMULWW(sLTP_Q14[sLPCmaxi], prevGain_Q10[1]), 8)));
}
/* Save LPC state */
Array.Copy(sLTP_Q14, sLPC_Q14_ptr + psDec.frame_length, psDec.sLPC_Q14_buf, 0, SilkConstants.MAX_LPC_ORDER);
/**************************************/
/* Update states */
/**************************************/
psPLC.rand_seed = rand_seed;
psPLC.randScale_Q14 = rand_scale_Q14;
for (i = 0; i < SilkConstants.MAX_NB_SUBFR; i++)
{
psDecCtrl.pitchL[i] = lag;
}
}
/* Decode parameters from payload */
internal static void silk_decode_parameters(
SilkChannelDecoder psDec, /* I/O State */
SilkDecoderControl psDecCtrl, /* I/O Decoder control */
int condCoding /* I The type of conditional coding to use */
)
{
int i, k, Ix;
short[] pNLSF_Q15 = new short[psDec.LPC_order];
short[] pNLSF0_Q15 = new short[psDec.LPC_order];
sbyte[][] cbk_ptr_Q7;
/* Dequant Gains */
BoxedValueSbyte boxedLastGainIndex = new BoxedValueSbyte(psDec.LastGainIndex);
GainQuantization.silk_gains_dequant(psDecCtrl.Gains_Q16, psDec.indices.GainsIndices,
boxedLastGainIndex, condCoding == SilkConstants.CODE_CONDITIONALLY ? 1 : 0, psDec.nb_subfr);
psDec.LastGainIndex = boxedLastGainIndex.Val;
/****************/
/* Decode NLSFs */
/****************/
NLSF.silk_NLSF_decode(pNLSF_Q15, psDec.indices.NLSFIndices, psDec.psNLSF_CB);
/* Convert NLSF parameters to AR prediction filter coefficients */
NLSF.silk_NLSF2A(psDecCtrl.PredCoef_Q12[1], pNLSF_Q15, psDec.LPC_order);
/* If just reset, e.g., because internal Fs changed, do not allow interpolation */
/* improves the case of packet loss in the first frame after a switch */
if (psDec.first_frame_after_reset == 1)
{
psDec.indices.NLSFInterpCoef_Q2 = 4;
}
if (psDec.indices.NLSFInterpCoef_Q2 < 4)
{
/* Calculation of the interpolated NLSF0 vector from the interpolation factor, */
/* the previous NLSF1, and the current NLSF1 */
for (i = 0; i < psDec.LPC_order; i++)
{
pNLSF0_Q15[i] = (short)(psDec.prevNLSF_Q15[i] + Inlines.silk_RSHIFT(Inlines.silk_MUL(psDec.indices.NLSFInterpCoef_Q2,
pNLSF_Q15[i] - psDec.prevNLSF_Q15[i]), 2));
}
/* Convert NLSF parameters to AR prediction filter coefficients */
NLSF.silk_NLSF2A(psDecCtrl.PredCoef_Q12[0], pNLSF0_Q15, psDec.LPC_order);
}
else
{
/* Copy LPC coefficients for first half from second half */
Array.Copy(psDecCtrl.PredCoef_Q12[1], psDecCtrl.PredCoef_Q12[0], psDec.LPC_order);
}
Array.Copy(pNLSF_Q15, psDec.prevNLSF_Q15, psDec.LPC_order);
/* After a packet loss do BWE of LPC coefs */
if (psDec.lossCnt != 0)
{
BWExpander.silk_bwexpander(psDecCtrl.PredCoef_Q12[0], psDec.LPC_order, SilkConstants.BWE_AFTER_LOSS_Q16);
BWExpander.silk_bwexpander(psDecCtrl.PredCoef_Q12[1], psDec.LPC_order, SilkConstants.BWE_AFTER_LOSS_Q16);
}
if (psDec.indices.signalType == SilkConstants.TYPE_VOICED)
{
/*********************/
/* Decode pitch lags */
/*********************/
/* Decode pitch values */
DecodePitch.silk_decode_pitch(psDec.indices.lagIndex, psDec.indices.contourIndex, psDecCtrl.pitchL, psDec.fs_kHz, psDec.nb_subfr);
/* Decode Codebook Index */
cbk_ptr_Q7 = Tables.silk_LTP_vq_ptrs_Q7[psDec.indices.PERIndex]; /* set pointer to start of codebook */
for (k = 0; k < psDec.nb_subfr; k++)
{
Ix = psDec.indices.LTPIndex[k];
for (i = 0; i < SilkConstants.LTP_ORDER; i++)
{
psDecCtrl.LTPCoef_Q14[k * SilkConstants.LTP_ORDER + i] = (short)(Inlines.silk_LSHIFT(cbk_ptr_Q7[Ix][i], 7));
}
}
/**********************/
/* Decode LTP scaling */
/**********************/
Ix = psDec.indices.LTP_scaleIndex;
psDecCtrl.LTP_scale_Q14 = Tables.silk_LTPScales_table_Q14[Ix];
}
else
{
Arrays.MemSetInt(psDecCtrl.pitchL, 0, psDec.nb_subfr);
Arrays.MemSetShort(psDecCtrl.LTPCoef_Q14, 0, SilkConstants.LTP_ORDER * psDec.nb_subfr);
psDec.indices.PERIndex = 0;
psDecCtrl.LTP_scale_Q14 = 0;
}
}
/* Find pitch lags */
internal static void silk_find_pitch_lags(
SilkChannelEncoder psEnc, /* I/O encoder state */
SilkEncoderControl psEncCtrl, /* I/O encoder control */
short[] res, /* O residual */
short[] x, /* I Speech signal */
int x_ptr
)
{
int buf_len, i, scale;
int thrhld_Q13, res_nrg;
int x_buf, x_buf_ptr;
short[] Wsig;
int Wsig_ptr;
int[] auto_corr = new int[SilkConstants.MAX_FIND_PITCH_LPC_ORDER + 1];
short[] rc_Q15 = new short[SilkConstants.MAX_FIND_PITCH_LPC_ORDER];
int[] A_Q24 = new int[SilkConstants.MAX_FIND_PITCH_LPC_ORDER];
short[] A_Q12 = new short[SilkConstants.MAX_FIND_PITCH_LPC_ORDER];
/******************************************/
/* Set up buffer lengths etc based on Fs */
/******************************************/
buf_len = psEnc.la_pitch + psEnc.frame_length + psEnc.ltp_mem_length;
/* Safety check */
Inlines.OpusAssert(buf_len >= psEnc.pitch_LPC_win_length);
x_buf = x_ptr - psEnc.ltp_mem_length;
/*************************************/
/* Estimate LPC AR coefficients */
/*************************************/
/* Calculate windowed signal */
Wsig = new short[psEnc.pitch_LPC_win_length];
/* First LA_LTP samples */
x_buf_ptr = x_buf + buf_len - psEnc.pitch_LPC_win_length;
Wsig_ptr = 0;
ApplySineWindow.silk_apply_sine_window(Wsig, Wsig_ptr, x, x_buf_ptr, 1, psEnc.la_pitch);
/* Middle un - windowed samples */
Wsig_ptr += psEnc.la_pitch;
x_buf_ptr += psEnc.la_pitch;
Array.Copy(x, x_buf_ptr, Wsig, Wsig_ptr, (psEnc.pitch_LPC_win_length - Inlines.silk_LSHIFT(psEnc.la_pitch, 1)));
/* Last LA_LTP samples */
Wsig_ptr += psEnc.pitch_LPC_win_length - Inlines.silk_LSHIFT(psEnc.la_pitch, 1);
x_buf_ptr += psEnc.pitch_LPC_win_length - Inlines.silk_LSHIFT(psEnc.la_pitch, 1);
ApplySineWindow.silk_apply_sine_window(Wsig, Wsig_ptr, x, x_buf_ptr, 2, psEnc.la_pitch);
/* Calculate autocorrelation sequence */
BoxedValueInt boxed_scale = new BoxedValueInt();
Autocorrelation.silk_autocorr(auto_corr, boxed_scale, Wsig, psEnc.pitch_LPC_win_length, psEnc.pitchEstimationLPCOrder + 1);
scale = boxed_scale.Val;
/* Add white noise, as fraction of energy */
auto_corr[0] = Inlines.silk_SMLAWB(auto_corr[0], auto_corr[0], ((int)((TuningParameters.FIND_PITCH_WHITE_NOISE_FRACTION) * ((long)1 << (16)) + 0.5)) /*Inlines.SILK_CONST(TuningParameters.FIND_PITCH_WHITE_NOISE_FRACTION, 16)*/) + 1;
/* Calculate the reflection coefficients using schur */
res_nrg = Schur.silk_schur(rc_Q15, auto_corr, psEnc.pitchEstimationLPCOrder);
/* Prediction gain */
psEncCtrl.predGain_Q16 = Inlines.silk_DIV32_varQ(auto_corr[0], Inlines.silk_max_int(res_nrg, 1), 16);
/* Convert reflection coefficients to prediction coefficients */
K2A.silk_k2a(A_Q24, rc_Q15, psEnc.pitchEstimationLPCOrder);
/* Convert From 32 bit Q24 to 16 bit Q12 coefs */
for (i = 0; i < psEnc.pitchEstimationLPCOrder; i++)
{
A_Q12[i] = (short)Inlines.silk_SAT16(Inlines.silk_RSHIFT(A_Q24[i], 12));
}
/* Do BWE */
BWExpander.silk_bwexpander(A_Q12, psEnc.pitchEstimationLPCOrder, ((int)((TuningParameters.FIND_PITCH_BANDWIDTH_EXPANSION) * ((long)1 << (16)) + 0.5)) /*Inlines.SILK_CONST(TuningParameters.FIND_PITCH_BANDWIDTH_EXPANSION, 16)*/);
/*****************************************/
/* LPC analysis filtering */
/*****************************************/
Filters.silk_LPC_analysis_filter(res, 0, x, x_buf, A_Q12, 0, buf_len, psEnc.pitchEstimationLPCOrder);
if (psEnc.indices.signalType != SilkConstants.TYPE_NO_VOICE_ACTIVITY && psEnc.first_frame_after_reset == 0)
{
/* Threshold for pitch estimator */
thrhld_Q13 = ((int)((0.6f) * ((long)1 << (13)) + 0.5)) /*Inlines.SILK_CONST(0.6f, 13)*/;
thrhld_Q13 = Inlines.silk_SMLABB(thrhld_Q13, ((int)((-0.004f) * ((long)1 << (13)) + 0.5)) /*Inlines.SILK_CONST(-0.004f, 13)*/, psEnc.pitchEstimationLPCOrder);
thrhld_Q13 = Inlines.silk_SMLAWB(thrhld_Q13, ((int)((-0.1f) * ((long)1 << (21)) + 0.5)) /*Inlines.SILK_CONST(-0.1f, 21)*/, psEnc.speech_activity_Q8);
thrhld_Q13 = Inlines.silk_SMLABB(thrhld_Q13, ((int)((-0.15f) * ((long)1 << (13)) + 0.5)) /*Inlines.SILK_CONST(-0.15f, 13)*/, Inlines.silk_RSHIFT(psEnc.prevSignalType, 1));
thrhld_Q13 = Inlines.silk_SMLAWB(thrhld_Q13, ((int)((-0.1f) * ((long)1 << (14)) + 0.5)) /*Inlines.SILK_CONST(-0.1f, 14)*/, psEnc.input_tilt_Q15);
thrhld_Q13 = Inlines.silk_SAT16(thrhld_Q13);
/*****************************************/
/* Call pitch estimator */
/*****************************************/
BoxedValueShort boxed_lagIndex = new BoxedValueShort(psEnc.indices.lagIndex);
BoxedValueSbyte boxed_contourIndex = new BoxedValueSbyte(psEnc.indices.contourIndex);
BoxedValueInt boxed_LTPcorr = new BoxedValueInt(psEnc.LTPCorr_Q15);
if (PitchAnalysisCore.silk_pitch_analysis_core(res, psEncCtrl.pitchL, boxed_lagIndex, boxed_contourIndex,
boxed_LTPcorr, psEnc.prevLag, psEnc.pitchEstimationThreshold_Q16,
(int)thrhld_Q13, psEnc.fs_kHz, psEnc.pitchEstimationComplexity, psEnc.nb_subfr) == 0)
{
psEnc.indices.signalType = SilkConstants.TYPE_VOICED;
}
else
{
psEnc.indices.signalType = SilkConstants.TYPE_UNVOICED;
}
psEnc.indices.lagIndex = boxed_lagIndex.Val;
psEnc.indices.contourIndex = boxed_contourIndex.Val;
psEnc.LTPCorr_Q15 = boxed_LTPcorr.Val;
}
else
{
Arrays.MemSetInt(psEncCtrl.pitchL, 0, SilkConstants.MAX_NB_SUBFR);
psEnc.indices.lagIndex = 0;
psEnc.indices.contourIndex = 0;
psEnc.LTPCorr_Q15 = 0;
}
}
