Searched defs:energy (Results 1 - 25 of 36) sorted by relevance

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/external/webrtc/webrtc/modules/audio_coding/codecs/ilbc/
H A Denergy_inverse.c24 int16_t *energy, /* (i/o) Energy and inverse
25 energy (in Q29) */
26 size_t noOfEnergies) /* (i) The length of the energy
33 /* Set the minimum energy value to 16384 to avoid overflow */
34 energyPtr=energy;
40 /* Calculate inverse energy in Q29 */
41 energyPtr=energy;
23 WebRtcIlbcfix_EnergyInverse( int16_t *energy, size_t noOfEnergies) argument
H A Dcb_mem_energy.c24 * Function WebRtcIlbcfix_CbMemEnergy computes the energy of all
36 int16_t *energyShifts, /* (o) Shift value of the energy */
37 int scale, /* (i) The scaling of all energy values */
38 size_t base_size /* (i) Index to where energy values should be stored */
41 int32_t energy, tmp32; local
43 /* Compute the energy and store it in a vector. Also the
44 * corresponding shift values are stored. The energy values
47 /* Calculate the energy in the first block of 'lTarget' sampels. */
52 energy = WebRtcSpl_DotProductWithScale( pp, pp, lTarget, scale);
54 /* Normalize the energy an
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H A Dcb_mem_energy_augmentation.c25 int scale, /* (i) The scaling of all energy values */
26 size_t base_size, /* (i) Index to where energy values should be stored */
28 int16_t *energyShifts /* (o) Shift value of the energy */
30 int32_t energy, tmp32; local
41 /* Compute the energy for the first (low-5) noninterpolated samples */
47 /* Update the energy recursively to save complexity */
50 energy = nrjRecursive;
53 energy += WebRtcSpl_DotProductWithScale(interpSamplesPtr, interpSamplesPtr, 4, scale);
56 /* Compute energy for the remaining samples */
58 energy
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H A Dcb_mem_energy_calc.c21 /* Compute the energy of the rest of the cb memory
25 int32_t energy, /* (i) input start energy */
30 int16_t *energyShifts, /* (o) Shift value of the energy */
31 int scale, /* (i) The scaling of all energy values */
32 size_t base_size /* (i) Index to where energy values should be stored */
47 /* Calculate next energy by a +/-
50 energy += tmp >> scale;
51 energy = WEBRTC_SPL_MAX(energy,
24 WebRtcIlbcfix_CbMemEnergyCalc( int32_t energy, size_t range, int16_t *ppi, int16_t *ppo, int16_t *energyW16, int16_t *energyShifts, int scale, size_t base_size ) argument
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H A Ddo_plc.c42 int32_t measure, maxMeasure, energy; local
105 /* Use the criteria (corr*corr)/energy to compare if
143 abs(corr(vec1, vec2))/(sqrt(energy(vec1))*sqrt(energy(vec2)))
232 energy = 0;
271 energy += (PLCresidual[i] * PLCresidual[i]) >>
276 if (energy < (WEBRTC_SPL_SHIFT_W32(((int32_t)iLBCdec_inst->blockl*900),-(iLBCdec_inst->prevScale+1)))) {
277 energy = 0;
/external/libopus/silk/
H A Dsum_sqr_shift.c37 opus_int32 *energy, /* O Energy of x, after shifting to the right */
38 opus_int *shift, /* O Number of bits right shift applied to energy */
83 *energy = nrg;
36 silk_sum_sqr_shift( opus_int32 *energy, opus_int *shift, const opus_int16 *x, opus_int len ) argument
H A DPLC.c211 /* Find the subframe with lowest energy of the last two and use that as random noise generator */
216 /* First sub-frame has lowest energy */
219 /* Second sub-frame has lowest energy */
374 opus_int32 energy; local
379 /* Calculate energy in concealed residual */
386 silk_sum_sqr_shift( &energy, &energy_shift, frame, length );
392 energy = silk_RSHIFT( energy, psPLC->conc_energy_shift - energy_shift );
395 /* Fade in the energy difference */
396 if( energy > psPL
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/external/eigen/bench/
H A Dvdw_new.cpp37 // energy . . . . ...
50 SCALAR energy = 0.0; local
52 energy += E_VDW(interactions1, interactions2);
53 energy *= 1 + 1e-20 * i; // prevent compiler from optimizing the loop
55 cout << "energy = " << energy << endl;
/external/libopus/silk/float/
H A DcorrMatrix_FLP.c67 double energy; local
71 energy = silk_energy_FLP( ptr1, L ); /* X[:,0]'*X[:,0] */
72 matrix_ptr( XX, 0, 0, Order ) = ( silk_float )energy;
75 energy += ptr1[ -j ] * ptr1[ -j ] - ptr1[ L - j ] * ptr1[ L - j ];
76 matrix_ptr( XX, j, j, Order ) = ( silk_float )energy;
82 energy = silk_inner_product_FLP( ptr1, ptr2, L );
83 matrix_ptr( XX, lag, 0, Order ) = ( silk_float )energy;
84 matrix_ptr( XX, 0, lag, Order ) = ( silk_float )energy;
87 energy += ptr1[ -j ] * ptr2[ -j ] - ptr1[ L - j ] * ptr2[ L - j ];
88 matrix_ptr( XX, lag + j, j, Order ) = ( silk_float )energy;
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H A Dpitch_analysis_core_FLP.c93 double cross_corr, normalizer, energy, energy_tmp; local
280 * Find energy of each subframe projected onto its history, for a range of delays
296 energy = silk_energy_FLP( basis_ptr, sf_length_8kHz );
297 C[ k ][ d ] = (silk_float)( 2 * cross_corr / ( energy + energy_tmp ) );
437 energy = energy_tmp;
440 energy += energies_st3[ k ][ j ][ lag_counter ];
443 CCmax_new = (silk_float)( 2 * cross_corr / energy );
569 double energy; local
595 /* Calculate the energy for first lag */
597 energy
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/external/libopus/silk/fixed/
H A DcorrMatrix_FIX.c85 opus_int32 energy; local
88 /* Calculate energy to find shift used to fit in 32 bits */
89 silk_sum_sqr_shift( &energy, &rshifts_local, x, L + order - 1 );
91 head_room_rshifts = silk_max( head_room - silk_CLZ32( energy ), 0 );
93 energy = silk_RSHIFT32( energy, head_room_rshifts );
96 /* Calculate energy of first column (0) of X: X[:,0]'*X[:,0] */
99 energy -= silk_RSHIFT32( silk_SMULBB( x[ i ], x[ i ] ), rshifts_local );
102 /* Adjust energy */
103 energy
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H A Dpitch_analysis_core_FIX.c70 silk_pe_stage3_vals energies_st3[], /* O 3 DIM energy array */
71 const opus_int16 frame[], /* I vector to calc energy in */
104 opus_int32 cross_corr, normalizer, energy, shift, energy_basis, energy_target; local
168 silk_sum_sqr_shift( &energy, &shift, frame_4kHz, frame_length_4kHz );
317 silk_sum_sqr_shift( &energy, &shift, frame_8kHz, frame_length_8kHz );
326 * Find energy of each subframe projected onto its history, for a range of delays
469 silk_sum_sqr_shift( &energy, &shift, frame, frame_length );
533 energy = energy_target;
538 energy = silk_ADD32( energy,
678 opus_int32 energy; local
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/external/webrtc/webrtc/modules/audio_processing/
H A Dsplitting_filter_unittest.cc66 float energy[kNumBands]; local
68 energy[j] = 0.f;
70 energy[j] += bands.fbuf_const()->channels(j)[0][k] *
73 energy[j] /= kSamplesPer16kHzChannel;
75 EXPECT_GT(energy[j], kAmplitude * kAmplitude / 4);
77 EXPECT_LT(energy[j], kAmplitude * kAmplitude / 4);
/external/webrtc/webrtc/modules/audio_coding/neteq/
H A Dbackground_noise.h91 energy = 2500;
103 int32_t energy; member in struct:webrtc::BackgroundNoise::ChannelParameters
118 // Increments the energy threshold by a factor 1 + |kThresholdIncrement|.
H A Dnormal.cc84 int32_t energy = WebRtcSpl_DotProductWithScale(signal, signal, local
89 energy = energy / scaled_energy_length;
91 energy = 0;
95 if ((energy != 0) &&
96 (energy > background_noise_.Energy(channel_ix))) {
97 // Normalize new frame energy to 15 bits.
98 scaling = WebRtcSpl_NormW32(energy) - 16;
99 // We want background_noise_.energy() / energy i
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/external/aac/libAACenc/src/
H A Dgrp_data.cpp199 FIXP_DBL energy = sfbEnergy->Short[wnd][sfb]; local
202 energy = nrgAddSaturate(energy, sfbEnergy->Short[wnd+j][sfb]);
204 sfbEnergy->Long[i++] = energy;
217 FIXP_DBL energy = sfbEnergyMS->Short[wnd][sfb]; local
220 energy = nrgAddSaturate(energy, sfbEnergyMS->Short[wnd+j][sfb]);
222 sfbEnergyMS->Long[i++] = energy;
235 FIXP_DBL energy = sfbSpreadEnergy->Short[wnd][sfb]; local
238 energy
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H A Dquantize.cpp353 description: calculates energy and distortion of quantized values
357 output: energy, distortion
371 FIXP_DBL energy = FL2FXCONST_DBL(0.0f); local
385 /* energy */
386 energy += fPow2(invQuantSpec);
402 *en = CalcLdData(energy)+FL2FXCONST_DBL(0.03125f);
/external/opencv3/modules/core/src/
H A Dpca.cpp192 double energy = g.at<T>(L, 0) / g.at<T>(g.rows - 1, 0); local
193 if(energy > retainedVariance)
278 // compute the cumulative energy content for each eigenvector
/external/libvpx/libvpx/vp9/encoder/
H A Dvp9_aq_variance.c27 #define ENERGY_IN_BOUNDS(energy)\
28 assert((energy) >= ENERGY_MIN && (energy) <= ENERGY_MAX)
41 unsigned int vp9_vaq_segment_id(int energy) { argument
42 ENERGY_IN_BOUNDS(energy);
43 return SEGMENT_ID(energy);
200 double energy; local
205 energy = vp9_log_block_var(cpi, x, bs) - energy_midpoint;
206 return clamp((int)round(energy), ENERGY_MIN, ENERGY_MAX);
/external/webrtc/webrtc/common_audio/vad/
H A Dvad_filterbank.c143 // Calculates the energy of |data_in| in dB, and also updates an overall
146 // - data_in [i] : Input audio data for energy calculation.
149 // - total_energy [i/o] : An external energy updated with the energy of
153 // - log_energy [o] : 10 * log10("energy of |data_in|") given in Q4.
157 // |tot_rshifts| accumulates the number of right shifts performed on |energy|.
159 // The |energy| will be normalized to 15 bits. We use unsigned integer because
161 uint32_t energy = 0; local
166 energy = (uint32_t) WebRtcSpl_Energy((int16_t*) data_in, data_length,
169 if (energy !
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/external/opencv/cv/src/
H A Dcvsnakes.cpp58 // alpha - pointer to coefficient of continuity energy,
59 // beta - pointer to coefficient of curvature energy,
60 // gamma - pointer to coefficient of image energy,
64 // scheme - image energy scheme
65 // if _CV_SNAKE_IMAGE - image intensity is energy
66 // if _CV_SNAKE_GRAD - magnitude of gradient is energy
216 float energy; local
228 Econt[(j + centery) * win.width + k + centerx] = energy =
232 maxEcont = MAX( maxEcont, energy );
233 minEcont = MIN( minEcont, energy );
251 float energy; local
286 float energy; local
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/external/opencv3/modules/photo/src/
H A Dcontrast_preserve.hpp86 vector <double> energy; local
101 energy.push_back(-1.0*log(exp(-1.0*pow(temp[i],2)/sigma) + exp(-1.0*pow(temp1[i],2)/sigma)));
105 sum +=energy[i];
/external/speex/libspeex/
H A Dltp.c185 spx_word32_t *energy; local
191 energy = corr;
194 VARDECL(spx_word32_t *energy);
197 ALLOC(energy, end-start+2, spx_word32_t);
200 ener16 = energy;
230 energy[0]=inner_prod(sw-start, sw-start, len);
234 /* Update energy for next pitch*/
235 energy[i-start+1] = SUB32(ADD32(energy[i-start],SHR32(MULT16_16(sw[-i-1],sw[-i-1]),6)), SHR32(MULT16_16(sw[-i+len-1],sw[-i+len-1]),6));
236 if (energy[
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/external/webrtc/webrtc/modules/audio_processing/aecm/
H A Daecm_core.c310 // Get energy for the delayed far end signal and estimated
688 // Calculates and returns the log of |energy| in Q8. The input |energy| is
690 static int16_t LogOfEnergyInQ8(uint32_t energy, int q_domain) { argument
693 if (energy > 0) {
694 int zeros = WebRtcSpl_NormU32(energy);
695 int16_t frac = ExtractFractionPart(energy, zeros);
696 // log2 of |energy| in Q8.
705 // echoes. There is also an update of energy decision levels, i.e. internal VAD.
711 // @param nearEner [in] Near end energy fo
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/external/webrtc/webrtc/modules/audio_processing/ns/
H A Dns_core.c947 // Calculates the energy of a buffer.
949 // * |buffer| is the buffer over which the energy is calculated.
951 // Returns the calculated energy.
954 float energy = 0.f; local
957 energy += buffer[i] * buffer[i];
960 return energy;
1048 float energy; local
1072 energy = Energy(winData, self->anaLen);
1073 if (energy == 0.0) {

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