| /external/chromium_org/third_party/opus/src/silk/ |
| sum_sqr_shift.c | 44 opus_int32 nrg_tmp, nrg; local
46 nrg = 0;
50 nrg = silk_SMLABB_ovflw( nrg, x[ i ], x[ i ] );
51 nrg = silk_SMLABB_ovflw( nrg, x[ i + 1 ], x[ i + 1 ] );
52 if( nrg < 0 ) {
54 nrg = (opus_int32)silk_RSHIFT_uint( (opus_uint32)nrg, 2 );
62 nrg = (opus_int32)silk_ADD_RSHIFT_uint( nrg, (opus_uint32)nrg_tmp, shft )
[all...] |
| VAD.c | 278 opus_int32 nl, nrg, inv_nrg; local
294 nrg = silk_ADD_POS_SAT32( pX[ k ], psSilk_VAD->NoiseLevelBias[ k ] );
295 silk_assert( nrg > 0 );
298 inv_nrg = silk_DIV32( silk_int32_MAX, nrg );
302 if( nrg > silk_LSHIFT( nl, 3 ) ) {
304 } else if( nrg < nl ) {
|
| /external/chromium_org/third_party/opus/src/silk/float/ |
| levinsondurbin_FLP.c | 42 silk_float min_nrg, nrg, t, km, Atmp1, Atmp2; local
45 nrg = corr[ 0 ];
46 nrg = silk_max_float(min_nrg, nrg);
47 A[ 0 ] = corr[ 1 ] / nrg;
48 nrg -= A[ 0 ] * corr[ 1 ];
49 nrg = silk_max_float(min_nrg, nrg);
59 km = t / nrg;
62 nrg -= km * t
[all...] |
| residual_energy_FLP.c | 37 /* Residual energy: nrg = wxx - 2 * wXx * c + c' * wXX * c */
47 silk_float tmp, nrg = 0.0f, regularization; local
54 nrg = wxx;
60 nrg -= 2.0f * tmp;
68 nrg += c[ i ] * ( 2.0f * tmp + matrix_c_ptr( wXX, i, i, D ) * c[ i ] );
70 if( nrg > 0 ) {
82 silk_assert( nrg == 0 );
83 nrg = 1.0f;
86 return nrg;
|
| find_LTP_FLP.c | 51 silk_float w[ MAX_NB_SUBFR ], nrg[ MAX_NB_SUBFR ], regu; local
73 nrg[ k ] = silk_residual_energy_covar_FLP( b_ptr, WLTP_ptr, Rr, rr[ k ], LTP_ORDER );
75 temp = Wght[ k ] / ( nrg[ k ] * Wght[ k ] + 0.01f * subfr_length );
90 LPC_LTP_res_nrg += nrg[ k ] * Wght[ k ];
|
| noise_shape_analysis_FLP.c | 138 silk_float nrg, pre_nrg, log_energy, log_energy_prev, energy_variation; local
187 nrg = ( silk_float )nSamples + ( silk_float )silk_energy_FLP( pitch_res_ptr, nSamples );
188 log_energy = silk_log2( nrg );
258 nrg = silk_levinsondurbin_FLP( &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], auto_corr, psEnc->sCmn.shapingLPCOrder );
259 psEncCtrl->Gains[ k ] = ( silk_float )sqrt( nrg );
280 nrg = silk_LPC_inverse_pred_gain_FLP( &psEncCtrl->AR1[ k * MAX_SHAPE_LPC_ORDER ], psEnc->sCmn.shapingLPCOrder );
281 psEncCtrl->GainsPre[ k ] = 1.0f - 0.7f * ( 1.0f - pre_nrg / nrg );
|
| /external/chromium_org/third_party/opus/src/silk/fixed/ |
| residual_energy16_FIX.c | 34 /* Residual energy: nrg = wxx - 2 * wXx * c + c' * wXX * c */
45 opus_int32 c_max, w_max, tmp, tmp2, nrg; local
78 nrg = silk_RSHIFT( wxx, 1 + lshifts ) - tmp; /* Q: -lshifts - 1 */
91 nrg = silk_ADD_LSHIFT32( nrg, tmp2, lshifts ); /* Q: -lshifts - 1 */
94 if( nrg < 1 ) {
95 nrg = 1;
96 } else if( nrg > silk_RSHIFT( silk_int32_MAX, lshifts + 2 ) ) {
97 nrg = silk_int32_MAX >> 1;
99 nrg = silk_LSHIFT( nrg, lshifts + 1 ); /* Q0 *
[all...] |
| burg_modified_FIX.c | 56 opus_int32 C0, num, nrg, rc_Q31, invGain_Q30, Atmp_QA, Atmp1, tmp1, tmp2, x1, x2; local
165 nrg = silk_ADD32( CAb[ 0 ], CAf[ 0 ] ); /* Q( 1-rshifts ) */
175 nrg = silk_ADD_LSHIFT32( nrg, silk_SMMUL( silk_ADD32( CAb[ k + 1 ], CAf[ k + 1 ] ),
184 if( silk_abs( num ) < nrg ) {
185 rc_Q31 = silk_DIV32_varQ( num, nrg, 31 );
258 nrg = CAf[ 0 ]; /* Q( -rshifts ) */
262 nrg = silk_SMLAWW( nrg, CAf[ k + 1 ], Atmp1 ); /* Q( -rshifts ) */
266 *res_nrg = silk_SMLAWW( nrg, silk_SMMUL( FIND_LPC_COND_FAC, C0 ), -tmp1 ); /* Q( -rshifts ) *
[all...] |
| noise_shape_analysis_FIX.c | 153 opus_int32 nrg, pre_nrg_Q30, log_energy_Q7, log_energy_prev_Q7, energy_variation_Q7; local
212 silk_sum_sqr_shift( &nrg, &scale, pitch_res_ptr, nSamples );
213 nrg += silk_RSHIFT( nSamples, scale ); /* Q(-scale)*/
215 log_energy_Q7 = silk_lin2log( nrg );
289 nrg = silk_schur64( refl_coef_Q16, auto_corr, psEnc->sCmn.shapingLPCOrder );
290 silk_assert( nrg >= 0 );
302 nrg >>= 1;
305 tmp32 = silk_SQRT_APPROX( nrg );
333 nrg = silk_LPC_inverse_pred_gain_Q24( AR1_Q24, psEnc->sCmn.shapingLPCOrder );
335 /*psEncCtrl->GainsPre[ k ] = 1.0f - 0.7f * ( 1.0f - pre_nrg / nrg ) = 0.3f + 0.7f * pre_nrg / nrg;*
[all...] |
| find_LTP_FIX.c | 62 opus_int32 b_Q16[ LTP_ORDER ], delta_b_Q14[ LTP_ORDER ], d_Q14[ MAX_NB_SUBFR ], nrg[ MAX_NB_SUBFR ], g_Q26; local
108 nrg[ k ] = silk_residual_energy16_covar_FIX( b_Q14_ptr, WLTP_ptr, Rr, rr[ k ], LTP_ORDER, 14 ); /* nrg_fix in Q( -corr_rshifts[ k ] ) */
110 /* temp = Wght[ k ] / ( nrg[ k ] * Wght[ k ] + 0.01f * subfr_length ); */
112 denom32 = silk_LSHIFT_SAT32( silk_SMULWB( nrg[ k ], Wght_Q15[ k ] ), 1 + extra_shifts ) + /* Q( -corr_rshifts[ k ] + extra_shifts ) */
152 LPC_LTP_res_nrg = silk_ADD32( LPC_LTP_res_nrg, silk_RSHIFT( silk_ADD32( silk_SMULWB( nrg[ k ], Wght_Q15[ k ] ), 1 ), 1 + ( maxRshifts - corr_rshifts[ k ] ) ) ); /* Q( -maxRshifts ) */
|
| /external/webrtc/src/modules/audio_coding/codecs/isac/main/source/ |
| lpc_analysis.c | 117 double nrg[4], chng, pg; local
123 nrg[0] = 0.0001;
125 nrg[0] += input[k]*input[k];
127 nrg[1] = 0.0001;
129 nrg[1] += input[k]*input[k];
131 nrg[2] = 0.0001;
133 nrg[2] += input[k]*input[k];
135 nrg[3] = 0.0001;
137 nrg[3] += input[k]*input[k];
141 chng = 0.25 * (fabs(10.0 * log10(nrg[3] / nrg[2]))
171 double nrg[4], chng; local
[all...] |
| entropy_coding.c | 408 WebRtc_Word32 nrg, res; local
533 nrg = 0;
536 nrg += (ARCoefQ12[j] * ((CorrQ7_norm[j - n] * ARCoefQ12[n] + 256) >> 9) +
540 nrg += (ARCoefQ12[j] * ((CorrQ7_norm[n - j] * ARCoefQ12[n] + 256) >> 9) +
545 nrg_u32 = (WebRtc_UWord32)nrg;
552 nrg = 0x7FFFFFFF;
554 nrg = (WebRtc_Word32)nrg_u32;
557 gain2_Q10 = WebRtcSpl_DivResultInQ31(FRAMESAMPLES_QUARTER, nrg);
[all...] |
| /external/webrtc/src/modules/audio_processing/agc/ |
| digital_agc.c | 313 WebRtc_Word32 nrg, max_nrg; local
417 nrg = WEBRTC_SPL_MUL_16_16(out[k * L + n], out[k * L + n]);
418 if (nrg > max_nrg)
420 max_nrg = nrg;
668 WebRtc_Word32 out, nrg, tmp32, tmp32b; local
677 nrg = 0;
706 nrg += WEBRTC_SPL_RSHIFT_W32(tmp32, 6);
712 if (!(0xFFFF0000 & nrg))
719 if (!(0xFF000000 & (nrg << zeros)))
723 if (!(0xF0000000 & (nrg << zeros))
[all...] |
| analog_agc.c | 116 WebRtc_Word32 nrg, max_nrg, sample, tmp32; local
281 nrg = WEBRTC_SPL_MUL_16_16(in_mic[i * L + n], in_mic[i * L + n]);
282 if (nrg > max_nrg)
284 max_nrg = nrg;
405 WebRtc_UWord32 nrg; local
433 nrg = WEBRTC_SPL_MUL_16_16(in_near[sampleCntr], in_near[sampleCntr]);
434 frameNrg += nrg;
[all...] |
| /frameworks/av/media/libstagefright/codecs/aacenc/src/ |
| line_pe.c | 96 Word32 nrg = sfbEnergy[sfbGrp+sfb]; local
100 if (nrg > thres) {
|
| /external/aac/libSBRenc/src/ |
| env_est.cpp | 501 mhLoweringEnergy(FIXP_DBL nrg, INT M)
514 tmpScale = CountLeadingBits(nrg);
515 nrg <<= tmpScale;
516 nrg = fMult(nrg, FL2FXCONST_DBL(0.398107267f)); /* The maximum boost is 1.584893, so the maximum attenuation should be square(1/1.584893) = 0.398107267 */
517 nrg >>= tmpScale;
521 nrg >>= 1;
525 return nrg;
537 FIXP_DBL nrg,
543 if (nrg>FL2FXCONST_DBL(0))
[all...] |
| invf_est.cpp | 111 4, /* Number of borders Nrg. */
140 4, /* Number of borders Nrg. */
368 FIXP_DBL nrg; local
374 nrg = (fMultDiv2(FL2FXCONST_DBL(2.f*0.375f), (FIXP_DBL)(CalcLdData(detectorValues->avgNrg+(FIXP_DBL)1) + FL2FXCONST_DBL(0.0625f) + FL2FXCONST_DBL(0.6875f)))) << 0; /* scaled by 1/2^8; 2^44 -> qmf energy scale */
391 regionNrg = findRegion(nrg,nrgBorders,numRegionsNrg);
|
| /external/aac/libSBRdec/src/ |
| psdec.cpp | 595 FIXP_DBL peakDiff, nrg, transRatio; local
687 nrg = h_ps_d->specificTo.mpeg.aPrevNrgBin[bin] + fMult( INT_FILTER_COEFF, aaPowerSlot[bin] - h_ps_d->specificTo.mpeg.aPrevNrgBin[bin] );
691 nrg = fixMax(nrg,FL2FXCONST_DBL(0.f));
693 /* save nrg for the next frame */
694 h_ps_d->specificTo.mpeg.aPrevNrgBin[bin] = nrg;
696 nrg = fMult( nrg, TRANSIENT_IMPACT_FACTOR );
699 if ( peakDiff <= nrg || peakDiff == FL2FXCONST_DBL(0.0) ) {
702 else if ( nrg <= FL2FXCONST_DBL(0.0f) )
[all...] |
| /external/chromium_org/third_party/opus/src/src/ |
| opus_demo.c | 223 double bits=0.0, bits_max=0.0, bits_act=0.0, bits2=0.0, nrg; local
752 nrg = 0.0;
756 nrg += in[ k ] * (double)in[ k ];
759 if ( ( nrg / ( frame_size * channels ) ) > 1e5 ) {
|
| /external/aac/libAACenc/src/ |
| aacenc_pns.cpp | 209 noiseNrg[sfb] = NO_NOISE_PNS; /* clear nrg's of previous frame */
404 INT nrg = (-sfbEnergyLdData[sfb]+FL2FXCONST_DBL(0.5f/64.0f))>>(DFRACT_BITS-1-7); local
405 noiseNrg[sfb] = tmp - nrg;
|
| /external/webrtc/src/modules/audio_coding/codecs/isac/fix/source/ |
| entropy_coding.c | 507 WebRtc_Word32 nrg; local
569 nrg = 0;
572 nrg += WEBRTC_SPL_RSHIFT_W32(WEBRTC_SPL_MUL(ARCoefQ12[j], WEBRTC_SPL_RSHIFT_W32(WEBRTC_SPL_MUL(CorrQ7_norm[j-n], ARCoefQ12[n]) + 256, 9)) + 4, 3);
574 nrg += WEBRTC_SPL_RSHIFT_W32(WEBRTC_SPL_MUL(ARCoefQ12[j], WEBRTC_SPL_RSHIFT_W32(WEBRTC_SPL_MUL(CorrQ7_norm[n-j], ARCoefQ12[n]) + 256, 9)) + 4, 3);
578 nrg = WEBRTC_SPL_RSHIFT_W32(nrg, lft_shft);
580 nrg = WEBRTC_SPL_LSHIFT_W32(nrg, -lft_shft);
582 if(nrg>131072)
583 gain2_Q10 = WebRtcSpl_DivResultInQ31(FRAMESAMPLES >> 2, nrg); /* also shifts 31 bits to the left! *
[all...] |
