| /external/chromium_org/third_party/opus/src/silk/float/ |
| corrMatrix_FLP.c | 43 const opus_int Order, /* I Max lag for correlation */
47 opus_int lag; local
51 for( lag = 0; lag < Order; lag++ ) {
52 /* Calculate X[:,lag]'*t */
53 Xt[ lag ] = (silk_float)silk_inner_product_FLP( ptr1, t, L );
62 const opus_int Order, /* I Max lag for correlation */
66 opus_int j, lag; local
80 for( lag = 1; lag < Order; lag++ )
[all...] |
| prefilter_FLP.c | 46 opus_int lag, /* I */
102 opus_int j, k, lag; local
114 lag = P->lagPrev;
118 lag = psEncCtrl->pitchL[ k ];
145 silk_prefilt_FLP( P, pxw, pxw, HarmShapeFIR, Tilt, LF_MA_shp, LF_AR_shp, lag, psEnc->sCmn.subfr_length );
164 opus_int lag, /* I */
181 if( lag > 0 ) {
183 idx = lag + LTP_shp_buf_idx;
|
| pitch_analysis_core_FLP.c | 48 opus_int start_lag, /* I start lag */
57 opus_int start_lag, /* I start lag */
68 opus_int *pitch_out, /* O Pitch lag values [nb_subfr] */
69 opus_int16 *lagIndex, /* O Lag Index */
72 opus_int prevLag, /* I Last lag of previous frame; set to zero is unvoiced */
73 const silk_float search_thres1, /* I First stage threshold for lag candidates 0 - 1 */
74 const silk_float search_thres2, /* I Final threshold for lag candidates 0 - 1 */
96 opus_int CBimax, CBimax_new, lag, start_lag, end_lag, lag_new; local
119 /* Set up frame lengths max / min lag for the sampling frequency */
209 /* Apply short-lag bias *
[all...] |
| find_LTP_FLP.c | 40 const opus_int lag[ MAX_NB_SUBFR ], /* I LTP lags */
59 lag_ptr = r_ptr - ( lag[ k ] + LTP_ORDER / 2 );
|
| /external/chromium_org/third_party/opus/src/silk/fixed/ |
| corrMatrix_FIX.c | 43 const opus_int order, /* I Max lag for correlation */
48 opus_int lag, i; local
57 for( lag = 0; lag < order; lag++ ) {
62 Xt[ lag ] = inner_prod; /* X[:,lag]'*t */
67 for( lag = 0; lag < order; lag++ )
84 opus_int i, j, lag, rshifts_local, head_room_rshifts; local
[all...] |
| prefilter_FIX.c | 44 opus_int lag, /* I Lag for harmonic shaping */
98 opus_int j, k, lag; local
113 lag = P->lagPrev;
119 lag = psEncCtrl->pitchL[ k ];
148 silk_prefilt_FIX( P, x_filt_Q12, pxw_Q3, HarmShapeFIRPacked_Q12, Tilt_Q14, LF_shp_Q14, lag, psEnc->sCmn.subfr_length );
166 opus_int lag, /* I Lag for harmonic shaping */
182 if( lag > 0 ) {
185 idx = lag + LTP_shp_buf_idx
[all...] |
| pitch_analysis_core_FIX.c | 62 opus_int start_lag, /* I lag offset to search around */
71 opus_int start_lag, /* I lag offset to search around */
82 opus_int *pitch_out, /* O 4 pitch lag values */
83 opus_int16 *lagIndex, /* O Lag Index */
86 opus_int prevLag, /* I Last lag of previous frame; set to zero is unvoiced */
87 const opus_int32 search_thres1_Q16, /* I First stage threshold for lag candidates 0 - 1 */
88 const opus_int search_thres2_Q13, /* I Final threshold for lag candidates 0 - 1 */
106 opus_int CBimax, CBimax_new, CBimax_old, lag, start_lag, end_lag, lag_new; local
129 /* Set up frame lengths max / min lag for the sampling frequency */
225 /* Combine two subframes into single correlation measure and apply short-lag bias *
[all...] |
| /external/speex/libspeex/ |
| lpc.h | 42 spx_word16_t *ac, /* out: [0...lag-1] ac values */
43 int lag, int n);
|
| lpc_bfin.h | 39 spx_word16_t *ac, /* out: [0...lag-1] ac values */
40 int lag,
50 ac32top = ac32+lag-1;
53 lag_1 = lag-1;
71 xs = x+lag-1;
119 for (i=0;i<lag;i++)
|
| lpc.c | 124 * for lags between 0 and lag-1, and x == 0 outside 0...n-1
130 spx_word16_t *ac, /* out: [0...lag-1] ac values */
131 int lag,
157 for (i=0;i<lag;i++)
179 * for lags between 0 and lag-1, and x == 0 outside 0...n-1
183 float *ac, /* out: [0...lag-1] ac values */
184 int lag,
190 while (lag--)
192 for (i = lag, d = 0; i < n; i++)
193 d += x[i] * x[i-lag];
[all...] |
| /external/chromium_org/third_party/opus/src/silk/ |
| decode_pitch.c | 46 opus_int lag, k, min_lag, max_lag, cbk_size; local
71 lag = min_lag + lagIndex;
74 pitch_lags[ k ] = lag + matrix_ptr( Lag_CB_ptr, k, contourIndex, cbk_size );
|
| NSQ.c | 45 const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag */
59 opus_int lag, /* I Pitch lag */
89 opus_int k, lag, start_idx, LSF_interpolation_flag; local
101 /* Set unvoiced lag to the previous one, overwrite later for voiced */
102 lag = NSQ->lagPrev;
135 lag = pitchL[ k ];
140 start_idx = psEncC->ltp_mem_length - lag - psEncC->predictLPCOrder - LTP_ORDER / 2;
154 AR_shp_Q13, lag, HarmShapeFIRPacked_Q14, Tilt_Q14[ k ], LF_shp_Q14[ k ], Gains_Q16[ k ], Lambda_Q10,
185 opus_int lag, /* I Pitch lag *
387 opus_int i, lag; local
[all...] |
| decode_core.c | 45 opus_int i, k, lag = 0, start_idx, sLTP_buf_idx, NLSF_interpolation_flag, signalType; local
137 lag = psDecCtrl->pitchL[ k ];
142 start_idx = psDec->ltp_mem_length - lag - psDec->LPC_order - LTP_ORDER / 2;
157 for( i = 0; i < lag + LTP_ORDER/2; i++ ) {
163 for( i = 0; i < lag + LTP_ORDER/2; i++ ) {
173 pred_lag_ptr = &sLTP_Q15[ sLTP_buf_idx - lag + LTP_ORDER / 2 ];
|
| NSQ_del_dec.c | 72 const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag */
92 opus_int lag, /* I Pitch lag */
127 opus_int i, k, lag, start_idx, LSF_interpolation_flag, Winner_ind, subfr; local
142 /* Set unvoiced lag to the previous one, overwrite later for voiced */
143 lag = NSQ->lagPrev;
166 /* For voiced frames limit the decision delay to lower than the pitch lag */
172 if( lag > 0 ) {
173 decisionDelay = silk_min_int( decisionDelay, lag - LTP_ORDER / 2 - 1 );
206 lag = pitchL[ k ]
650 opus_int i, k, lag; local
[all...] |
| PLC.c | 175 opus_int lag, idx, sLTP_buf_idx, shift1, shift2; local
267 lag = silk_RSHIFT_ROUND( psPLC->pitchL_Q8, 8 );
271 idx = psDec->ltp_mem_length - lag - psDec->LPC_order - LTP_ORDER / 2;
286 pred_lag_ptr = &sLTP_Q14[ sLTP_buf_idx - lag + LTP_ORDER / 2 ];
312 /* Slowly increase pitch lag */
315 lag = silk_RSHIFT_ROUND( psPLC->pitchL_Q8, 8 );
361 psDecCtrl->pitchL[ i ] = lag;
|
| /external/flac/libFLAC/include/private/ |
| lpc.h | 52 * OUT out[0,lag-1]
60 * Compute the autocorrelation for lags between 0 and lag-1.
62 * Asserts that lag > 0.
66 * IN 0 < lag <= data_len
67 * OUT autoc[0,lag-1]
69 void FLAC__lpc_compute_autocorrelation(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
73 void FLAC__lpc_compute_autocorrelation_asm_ia32(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
74 void FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_4(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
75 void FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_8(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
76 void FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_12(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
[all...] |
| /frameworks/av/media/libstagefright/codecs/amrnb/enc/src/ |
| pitch_fr.cpp | 47 Description: *lag-- decrements the pointer. (*lag)-- decrements what is
128 Word16 max_frac_lag; /* lag up to which fractional lags are used */
132 Word16 delta_int_low; /* integer lag below TO to start search from */
448 lag = pointer to integer pitch of type Word16
475 fractional positions around lag T0. The position at which the
494 Word16 *lag, // i/o : integer pitch
510 max = Interpol_3or6 (&corr[*lag], *frac, flag3); // function result
513 corr_int = Interpol_3or6 (&corr[*lag], i, flag3);
525 *lag = sub (*lag, 1)
1385 Word16 lag; local
[all...] |
| /external/chromium_org/third_party/opus/src/celt/ |
| celt_lpc.h | 51 int _celt_autocorr(const opus_val16 *x, opus_val32 *ac, const opus_val16 *window, int overlap, int lag, int n);
|
| celt_lpc.c | 225 opus_val32 *ac, /* out: [0...lag-1] ac values */
228 int lag,
234 int fastN=n-lag;
278 celt_pitch_xcorr(xptr, xptr, ac, fastN, lag+1);
279 for (k=0;k<=lag;k++)
292 for (i=0;i<=lag;i++)
300 for (i=0;i<=lag;i++)
|
| pitch.c | 191 /* Lag windowing */
295 int lag; local
311 lag = len+max_pitch;
314 ALLOC(y_lp4, lag>>2, opus_val16);
320 for (j=0;j<lag>>2;j++)
325 ymax = celt_maxabs16(y_lp4, lag>>2);
331 for (j=0;j<lag>>2;j++)
|
| /external/webrtc/src/modules/audio_coding/codecs/isac/main/source/ |
| filter_functions.c | 94 int lag, n; local
98 for (lag = 0; lag <= order; lag++)
101 x_lag = &x[lag];
103 for (n = 1; n < N - lag; n++) {
108 r[lag] = sum;
|
| pitch_filter.c | 23 * y(z) = x(z) + damper(z) * gain * (x(z) + y(z)) * z ^ (-lag);
26 * y(z) = x(z) - damper(z) * gain * (x(z) + y(z)) * z ^ (-lag);
28 * Note that |lag| is a floating number so we perform an interpolation to
29 * obtain the correct |lag|.
93 * lag : pitch-lag for the current segment of input.
94 * lag_offset : the offset of lag w.r.t. current sample.
109 double lag; member in struct:__anon31350
145 /* Index of |parameters->buffer| where samples are read for fractional-lag
218 /* Compute integer lag-offset. *
[all...] |
| /frameworks/base/tests/touchlag/ |
| touchlag.cpp | 202 void get(int lag, int* x, int* y) {
203 const int i = (index - lag) & 0xF;
216 printf("\nusage: %s [-h] [-l lag]\n", name);
223 int lag = 0; local
238 lag = atoi(optarg);
265 if (lag) {
278 queue.get(lag, &lag_x, &lag_y);
280 if (lag) {
|
| /external/aac/libAACenc/src/ |
| aacenc_tns.cpp | 533 Calculate autocorellation value for one lag
538 \param lag to be calculated
539 \param scaling of the lag
546 const INT lag,
553 if (lag==0) {
559 for (i=startLine; i<(stopLine-lag); i++) {
560 result += (fMult(spectrum[i], spectrum[i+lag])>>scale);
626 int i, idx0, idx1, idx2, idx3, idx4, lag; local
670 /* compute autocorrelation value at lag zero, i. e. energy, for each quarter */
683 for (lag = 1; lag <= maxOrder; lag++)
[all...] |
| /development/tools/axl/ |
| chewie.py | 30 ## pull out request lag -- queue to start to done
31 def lag(): function
184 if __name__ == '__main__': lag()
|
