| /external/chromium_org/third_party/opus/src/silk/float/ |
| structs_FLP.h | 45 silk_float HarmBoost_smth;
46 silk_float HarmShapeGain_smth;
47 silk_float Tilt_smth;
54 silk_float sLTP_shp[ LTP_BUF_LENGTH ];
55 silk_float sAR_shp[ MAX_SHAPE_LPC_ORDER + 1 ];
57 silk_float sLF_AR_shp;
58 silk_float sLF_MA_shp;
59 silk_float sHarmHP;
73 silk_float x_buf[ 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ];/* Buffer for find pitch and noise shape analysis */
74 silk_float LTPCorr; /* Normalized correlation from pitch lag esti (…)
[all...] |
| SigProc_FLP.h | 46 silk_float *ar, /* I/O AR filter to be expanded (without leading 1) */
48 const silk_float chirp /* I chirp factor (typically in range (0..1) ) */
54 silk_float silk_LPC_inverse_pred_gain_FLP( /* O return inverse prediction gain, energy domain */
55 const silk_float *A, /* I prediction coefficients [order] */
59 silk_float silk_schur_FLP( /* O returns residual energy */
60 silk_float refl_coef[], /* O reflection coefficients (length order) */
61 const silk_float auto_corr[], /* I autocorrelation sequence (length order+1) */
66 silk_float *A, /* O prediction coefficients [order] */
67 const silk_float *rc, /* I reflection coefficients [order] */
72 silk_float silk_levinsondurbin_FLP( /* O prediction error energy (…)
[all...] |
| main_FLP.h | 93 silk_float xw[], /* O Weighted signal */
94 const silk_float x[] /* I Speech signal */
104 const silk_float *pitch_res, /* I LPC residual from pitch analysis */
105 const silk_float *x /* I Input signal [frame_length + la_shape] */
110 silk_float *corr, /* O Result [order + 1] */
111 const silk_float *input, /* I Input data to correlate */
112 const silk_float warping, /* I Warping coefficient */
131 silk_float res[], /* O Residual */
132 const silk_float x[] /* I Speech signal */
139 const silk_float res_pitch[], /* I Residual from pitch analysis (…)
[all...] |
| solve_LS_FLP.c | 41 silk_float *A, /* I/O Pointer to Symetric Square Matrix */
43 silk_float *L, /* I/O Pointer to Square Upper triangular Matrix */
44 silk_float *Dinv /* I/O Pointer to vector holding the inverse diagonal elements of D */
52 const silk_float *L, /* I Pointer to Lower Triangular Matrix */
54 const silk_float *b, /* I b Vector */
55 silk_float *x /* O x Vector */
63 const silk_float *L, /* I Pointer to Lower Triangular Matrix */
65 const silk_float *b, /* I b Vector */
66 silk_float *x /* O x Vector */
74 silk_float *A, /* I/O Symmetric square matrix, out: reg (…)
[all...] |
| autocorrelation_FLP.c | 37 silk_float *results, /* O result (length correlationCount) */
38 const silk_float *inputData, /* I input data to correlate */
50 results[ i ] = (silk_float)silk_inner_product_FLP( inputData, inputData + i, inputDataSize - i );
|
| bwexpander_FLP.c | 36 silk_float *ar, /* I/O AR filter to be expanded (without leading 1) */
38 const silk_float chirp /* I chirp factor (typically in range (0..1) ) */
42 silk_float cfac = chirp;
|
| regularize_correlations_FLP.c | 36 silk_float *XX, /* I/O Correlation matrices */
37 silk_float *xx, /* I/O Correlation values */
38 const silk_float noise, /* I Noise energy to add */
|
| LPC_analysis_filter_FLP.c | 44 silk_float r_LPC[], /* O LPC residual signal */
45 const silk_float PredCoef[], /* I LPC coefficients */
46 const silk_float s[], /* I Input signal */
51 silk_float LPC_pred;
52 const silk_float *s_ptr;
82 silk_float r_LPC[], /* O LPC residual signal */
83 const silk_float PredCoef[], /* I LPC coefficients */
84 const silk_float s[], /* I Input signal */
89 silk_float LPC_pred;
90 const silk_float *s_ptr
[all...] |
| corrMatrix_FLP.c | 40 const silk_float *x, /* I x vector [L+order-1] used to create X */
41 const silk_float *t, /* I Target vector [L] */
44 silk_float *Xt /* O X'*t correlation vector [order] */
48 const silk_float *ptr1;
53 Xt[ lag ] = (silk_float)silk_inner_product_FLP( ptr1, t, L );
60 const silk_float *x, /* I x vector [ L+order-1 ] used to create X */
63 silk_float *XX /* O X'*X correlation matrix [order x order] */
68 const silk_float *ptr1, *ptr2;
72 matrix_ptr( XX, 0, 0, Order ) = ( silk_float )energy;
76 matrix_ptr( XX, j, j, Order ) = ( silk_float )energy
[all...] |
| k2a_FLP.c | 36 silk_float *A, /* O prediction coefficients [order] */
37 const silk_float *rc, /* I reflection coefficients [order] */
42 silk_float Atmp[ SILK_MAX_ORDER_LPC ];
|
| residual_energy_FLP.c | 38 silk_float silk_residual_energy_covar_FLP( /* O Weighted residual energy */
39 const silk_float *c, /* I Filter coefficients */
40 silk_float *wXX, /* I/O Weighted correlation matrix, reg. out */
41 const silk_float *wXx, /* I Weighted correlation vector */
42 const silk_float wxx, /* I Weighted correlation value */
47 silk_float tmp, nrg = 0.0f, regularization;
92 silk_float nrgs[ MAX_NB_SUBFR ], /* O Residual energy per subframe */
93 const silk_float x[], /* I Input signal */
94 silk_float a[ 2 ][ MAX_LPC_ORDER ], /* I AR coefs for each frame half */
95 const silk_float gains[], /* I Quantization gains (…)
[all...] |
| LTP_analysis_filter_FLP.c | 35 silk_float *LTP_res, /* O LTP res MAX_NB_SUBFR*(pre_lgth+subfr_lngth) */
36 const silk_float *x, /* I Input signal, with preceding samples */
37 const silk_float B[ LTP_ORDER * MAX_NB_SUBFR ], /* I LTP coefficients for each subframe */
39 const silk_float invGains[ MAX_NB_SUBFR ], /* I Inverse quantization gains */
45 const silk_float *x_ptr, *x_lag_ptr;
46 silk_float Btmp[ LTP_ORDER ];
47 silk_float *LTP_res_ptr;
48 silk_float inv_gain;
|
| schur_FLP.c | 34 silk_float silk_schur_FLP( /* O returns residual energy */
35 silk_float refl_coef[], /* O reflection coefficients (length order) */
36 const silk_float auto_corr[], /* I autocorrelation sequence (length order+1) */
41 silk_float C[ SILK_MAX_ORDER_LPC + 1 ][ 2 ];
42 silk_float Ctmp1, Ctmp2, rc_tmp;
|
| prefilter_FLP.c | 40 silk_float st_res[], /* I */
41 silk_float xw[], /* O */
42 silk_float *HarmShapeFIR, /* I */
43 silk_float Tilt, /* I */
44 silk_float LF_MA_shp, /* I */
45 silk_float LF_AR_shp, /* I */
51 silk_float state[], /* I/O State [order + 1] */
52 silk_float res[], /* O Residual signal [length] */
53 const silk_float coef[], /* I Coefficients [order] */
54 const silk_float input[], /* I Input signal [length] *
[all...] |
| LPC_inv_pred_gain_FLP.c | 40 silk_float silk_LPC_inverse_pred_gain_FLP( /* O return inverse prediction gain, energy domain */
41 const silk_float *A, /* I prediction coefficients [order] */
47 silk_float Atmp[ 2 ][ SILK_MAX_ORDER_LPC ];
48 silk_float *Aold, *Anew;
51 silk_memcpy( Anew, A, order * sizeof(silk_float) );
66 Anew[ n ] = (silk_float)( ( Aold[ n ] - Aold[ k - n - 1 ] * rc ) * rc_mult2 );
75 return (silk_float)invGain;
|
| scale_copy_vector_FLP.c | 36 silk_float *data_out,
37 const silk_float *data_in,
38 silk_float gain,
|
| warped_autocorrelation_FLP.c | 36 silk_float *corr, /* O Result [order + 1] */
37 const silk_float *input, /* I Input data to correlate */
38 const silk_float warping, /* I Warping coefficient */
69 /* Copy correlations in silk_float output format */
71 corr[ i ] = ( silk_float )C[ i ];
|
| scale_vector_FLP.c | 36 silk_float *data1,
37 silk_float gain,
|
| find_LPC_FLP.c | 40 const silk_float x[], /* I Input signal */
41 const silk_float minInvGain /* I Inverse of max prediction gain */
45 silk_float a[ MAX_LPC_ORDER ];
48 silk_float res_nrg, res_nrg_2nd, res_nrg_interp;
50 silk_float a_tmp[ MAX_LPC_ORDER ];
51 silk_float LPC_res[ MAX_FRAME_LENGTH + MAX_NB_SUBFR * MAX_LPC_ORDER ];
80 res_nrg_interp = (silk_float)(
|
| apply_sine_window_FLP.c | 39 silk_float px_win[], /* O Pointer to windowed signal */
40 const silk_float px[], /* I Pointer to input signal */
46 silk_float freq, c, S0, S1;
|
| find_LTP_FLP.c | 36 silk_float b[ MAX_NB_SUBFR * LTP_ORDER ], /* O LTP coefs */
37 silk_float WLTP[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ], /* O Weight for LTP quantization */
38 silk_float *LTPredCodGain, /* O LTP coding gain */
39 const silk_float r_lpc[], /* I LPC residual */
41 const silk_float Wght[ MAX_NB_SUBFR ], /* I Weights */
48 silk_float *b_ptr, temp, *WLTP_ptr;
49 silk_float LPC_res_nrg, LPC_LTP_res_nrg;
50 silk_float d[ MAX_NB_SUBFR ], m, g, delta_b[ LTP_ORDER ];
51 silk_float w[ MAX_NB_SUBFR ], nrg[ MAX_NB_SUBFR ], regu;
52 silk_float Rr[ LTP_ORDER ], rr[ MAX_NB_SUBFR ]
[all...] |
| inner_product_FLP.c | 34 /* inner product of two silk_float arrays, with result as double */
36 const silk_float *data1,
37 const silk_float *data2,
|
| levinsondurbin_FLP.c | 35 silk_float silk_levinsondurbin_FLP( /* O prediction error energy */
36 silk_float A[], /* O prediction coefficients [order] */
37 const silk_float corr[], /* I input auto-correlations [order + 1] */
42 silk_float min_nrg, nrg, t, km, Atmp1, Atmp2;
|
| find_pitch_lags_FLP.c | 39 silk_float res[], /* O Residual */
40 const silk_float x[] /* I Speech signal */
44 silk_float thrhld, res_nrg;
45 const silk_float *x_buf_ptr, *x_buf;
46 silk_float auto_corr[ MAX_FIND_PITCH_LPC_ORDER + 1 ];
47 silk_float A[ MAX_FIND_PITCH_LPC_ORDER ];
48 silk_float refl_coef[ MAX_FIND_PITCH_LPC_ORDER ];
49 silk_float Wsig[ FIND_PITCH_LPC_WIN_MAX ];
50 silk_float *Wsig_ptr;
76 silk_memcpy( Wsig_ptr, x_buf_ptr, ( psEnc->sCmn.pitch_LPC_win_length - ( psEnc->sCmn.la_pitch << 1 ) ) * sizeof( silk_float ) );
[all...] |
| noise_shape_analysis_FLP.c | 39 static inline silk_float warped_gain(
40 const silk_float *coefs,
41 silk_float lambda,
45 silk_float gain;
52 return (silk_float)( 1.0f / ( 1.0f - lambda * gain ) );
58 silk_float *coefs_syn,
59 silk_float *coefs_ana,
60 silk_float lambda,
61 silk_float limit,
65 silk_float tmp, maxabs, chirp, gain_syn, gain_ana
[all...] |
