Searched defs:lsf (Results 1 - 5 of 5) sorted by relevance
/frameworks/av/media/libstagefright/codecs/amrnb/common/src/ |
H A D | reorder.cpp | 85 lsf = vector of LSFs (range: 0<=val<=0.5)(Word16) 93 lsf -> reordered vector of LSFs (Word16) 124 Word16 *lsf, // (i/o) : vector of LSFs (range: 0<=val<=0.5) 139 if (sub (lsf[i], lsf_min) < 0) 141 lsf[i] = lsf_min; 143 lsf_min = add (lsf[i], min_dist); 174 Word16 *lsf, /* (i/o) : vector of LSFs (range: 0<=val<=0.5) */ 182 Word16 *p_lsf = &lsf[0]; 173 Reorder_lsf( Word16 *lsf, Word16 min_dist, Word16 n, Flag *pOverflow ) argument
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H A D | lsfwt.cpp | 55 lsf -- Pointer to Word16 -- LSF vector 75 d[i] = lsf[i+1] - lsf[i-1] 187 Word16 *lsf, /* input : LSF vector */ 196 Word16 *p_lsf = &lsf[0]; 197 Word16 *p_lsf_2 = &lsf[1]; 201 /* wf[0] = lsf[1] - 0 */ 210 * wf[9] = 4000 - lsf[8] 186 Lsf_wt( Word16 *lsf, Word16 *wf, Flag *pOverflow ) argument
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H A D | lsp_lsf.cpp | 127 lsf = buffer containing normalized line spectral frequencies; valid 150 lsf[i] = arccos(lsp[i])/(2*pi) 152 The transformation from lsp[i] to lsf[i] is approximated by a look-up table 169 Word16 lsf[], // (i) : lsf[m] normalized (range: 0.0<=val<=0.5) 179 ind = shr (lsf[i], 8); // ind = b8-b15 of lsf[i] 180 offset = lsf[i] & 0x00ff; // offset = b0-b7 of lsf[i] 215 Word16 lsf[], /* ( 214 Lsf_lsp( Word16 lsf[], Word16 lsp[], Word16 m, Flag *pOverflow ) argument 346 Lsp_lsf( Word16 lsp[], Word16 lsf[], Word16 m, Flag *pOverflow ) argument [all...] |
/frameworks/av/media/libstagefright/codecs/amrnb/enc/src/ |
H A D | dtx_enc.cpp | 541 Word16 lsf[M]; 621 Lsp_lsf(lsp, lsf, M); 622 Reorder_lsf(lsf, LSF_GAP, M); 623 Lsf_lsp(lsf, lsp, M); 677 Word16 lsf[M]; local 808 Lsp_lsf(lsp, lsf, M, pOverflow); 809 Reorder_lsf(lsf, LSF_GAP, M, pOverflow); 810 Lsf_lsp(lsf, lsp, M, pOverflow);
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/frameworks/av/media/libstagefright/codecs/amrnb/dec/src/ |
H A D | dtx_dec.cpp | 195 // initialize decoder lsf history 294 /* initialize decoder lsf history */ 344 lsfState = decoder lsf states 354 lsfState = decoder lsf states 390 D_plsfState* lsfState, // i/o : decoder lsf states 425 Word16 lsf[M]; 483 lsf[j] = extract_l(L_shr(L_lsf[j],3)); // divide by 8 486 Lsf_lsp(lsf, st->lsp, M); 492 // compute lsf variability vector 498 // compute mean lsf 881 Word16 lsf[M]; local 1493 dtx_dec_activity_update(dtx_decState *st, Word16 lsf[], Word16 frame[], Flag *pOverflow) argument [all...] |
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