/external/chromium_org/third_party/speex/libspeex/ |
H A D | lpc.c | 56 #include "lpc.h" 74 spx_coef_t *lpc, /* out: [0...p-1] LPC coefficients */ 86 lpc[i] = 0; 95 rr = SUB32(rr,MULT16_16(lpc[j],ac[i - j])); 102 lpc[i] = r; 105 spx_word16_t tmp = lpc[j]; 106 lpc[j] = MAC16_16_P13(lpc[j],r,lpc[i-1-j]); 107 lpc[ 73 _spx_lpc( spx_coef_t *lpc, const spx_word16_t *ac, int p ) argument [all...] |
H A D | nb_celp.c | 38 #include "lpc.h" 266 VARDECL(spx_coef_t *lpc); 284 ALLOC(lpc, st->lpcSize, spx_coef_t); 320 _spx_lpc(lpc, autocorr, st->lpcSize); 322 roots=lpc_to_lsp (lpc, st->lpcSize, lsp, 10, LSP_DELTA1, stack); 1206 VARDECL(spx_coef_t *lpc); 1207 ALLOC(lpc, st->lpcSize, spx_coef_t); 1208 bw_lpc(QCONST16(0.93f,15), st->interp_qlpc, lpc, st->lpcSize); local 1221 iir_mem16(st->exc, lpc, out, st->frameSize, st->lpcSize, st->mem_sp, stack);
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/external/speex/libspeex/ |
H A D | lpc.c | 56 #include "lpc.h" 74 spx_coef_t *lpc, /* out: [0...p-1] LPC coefficients */ 86 lpc[i] = 0; 95 rr = SUB32(rr,MULT16_16(lpc[j],ac[i - j])); 102 lpc[i] = r; 105 spx_word16_t tmp = lpc[j]; 106 lpc[j] = MAC16_16_P13(lpc[j],r,lpc[i-1-j]); 107 lpc[ 73 _spx_lpc( spx_coef_t *lpc, const spx_word16_t *ac, int p ) argument [all...] |
H A D | nb_celp.c | 38 #include "lpc.h" 266 VARDECL(spx_coef_t *lpc); 284 ALLOC(lpc, st->lpcSize, spx_coef_t); 320 _spx_lpc(lpc, autocorr, st->lpcSize); 322 roots=lpc_to_lsp (lpc, st->lpcSize, lsp, 10, LSP_DELTA1, stack); 1206 VARDECL(spx_coef_t *lpc); 1207 ALLOC(lpc, st->lpcSize, spx_coef_t); 1208 bw_lpc(QCONST16(0.93f,15), st->interp_qlpc, lpc, st->lpcSize); local 1221 iir_mem16(st->exc, lpc, out, st->frameSize, st->lpcSize, st->mem_sp, stack);
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/external/libvorbis/lib/ |
H A D | lpc.c | 14 last mod: $Id: lpc.c 16227 2009-07-08 06:58:46Z xiphmont $ 51 #include "lpc.h" 59 Output: m lpc coefficients, excitation energy */ 63 double *lpc=alloca(sizeof(*lpc)*(m)); local 76 /* Generate lpc coefficients from autocorr values */ 86 memset(lpc+i,0,(m-i)*sizeof(*lpc)); 95 for(j=0;j<i;j++)r-=lpc[j]*aut[i-j]; 100 lpc[ [all...] |
H A D | block.c | 30 #include "lpc.h" 418 float *lpc=alloca(order*sizeof(*lpc)); local 430 vorbis_lpc_from_data(work,lpc,v->pcm_current-v->centerW,order); 444 vorbis_lpc_predict(lpc,work+v->pcm_current-v->centerW-order, 466 float *lpc=alloca(order*sizeof(*lpc)); local 490 vorbis_lpc_from_data(v->pcm[i]+v->eofflag-n,lpc,n,order); 493 vorbis_lpc_predict(lpc,v->pcm[i]+v->eofflag-order,order,
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H A D | lsp.c | 25 /* Note that the lpc-lsp conversion finds the roots of polynomial with 404 /* Convert lpc coefficients to lsp coefficients */ 405 int vorbis_lpc_to_lsp(float *lpc,float *lsp,int m){ argument 424 for(i=1;i<=g1_order;i++) g1[g1_order-i] = lpc[i-1]+lpc[m-i]; 426 for(i=1;i<=g2_order;i++) g2[g2_order-i] = lpc[i-1]-lpc[m-i];
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/external/chromium_org/third_party/opus/src/celt/ |
H A D | celt_lpc.c | 47 opus_val32 lpc[LPC_ORDER]; local 49 float *lpc = _lpc; local 53 lpc[i] = 0; 60 rr += MULT32_32_Q31(lpc[j],ac[i - j]); 64 lpc[i] = SHR32(r,3); 68 tmp1 = lpc[j]; 69 tmp2 = lpc[i-1-j]; 70 lpc[j] = tmp1 + MULT32_32_Q31(r,tmp2); 71 lpc[i-1-j] = tmp2 + MULT32_32_Q31(r,tmp1); 87 _lpc[i] = ROUND16(lpc[ [all...] |
H A D | pitch.c | 153 opus_val16 lpc[4], mem[5]={0,0,0,0,0}; local 202 _celt_lpc(lpc, ac, 4); 206 lpc[i] = MULT16_16_Q15(lpc[i], tmp); 209 lpc2[0] = lpc[0] + QCONST16(.8f,SIG_SHIFT); 210 lpc2[1] = lpc[1] + MULT16_16_Q15(c1,lpc[0]); 211 lpc2[2] = lpc[2] + MULT16_16_Q15(c1,lpc[1]); 212 lpc2[3] = lpc[ [all...] |
H A D | celt_decoder.c | 92 /* opus_val16 lpc[], Size = channels*LPC_ORDER */ 340 opus_val16 *lpc; local 362 lpc = (opus_val16*)(st->_decode_mem+(DECODE_BUFFER_SIZE+overlap)*C); 363 oldBandE = lpc+C*LPC_ORDER; 503 _celt_lpc(lpc+c*LPC_ORDER, ac, LPC_ORDER); 518 celt_fir(exc+MAX_PERIOD-exc_length, lpc+c*LPC_ORDER, 584 celt_iir(buf+DECODE_BUFFER_SIZE-N, lpc+c*LPC_ORDER, 672 opus_val16 *lpc; local 711 lpc = (opus_val16*)(st->_decode_mem+(DECODE_BUFFER_SIZE+overlap)*CC); 712 oldBandE = lpc 1142 opus_val16 *lpc, *oldBandE, *oldLogE, *oldLogE2; local [all...] |
/external/libopus/celt/ |
H A D | celt_lpc.c | 47 opus_val32 lpc[LPC_ORDER]; local 49 float *lpc = _lpc; local 53 lpc[i] = 0; 60 rr += MULT32_32_Q31(lpc[j],ac[i - j]); 64 lpc[i] = SHR32(r,3); 68 tmp1 = lpc[j]; 69 tmp2 = lpc[i-1-j]; 70 lpc[j] = tmp1 + MULT32_32_Q31(r,tmp2); 71 lpc[i-1-j] = tmp2 + MULT32_32_Q31(r,tmp1); 87 _lpc[i] = ROUND16(lpc[ [all...] |
H A D | pitch.c | 153 opus_val16 lpc[4], mem[5]={0,0,0,0,0}; local 202 _celt_lpc(lpc, ac, 4); 206 lpc[i] = MULT16_16_Q15(lpc[i], tmp); 209 lpc2[0] = lpc[0] + QCONST16(.8f,SIG_SHIFT); 210 lpc2[1] = lpc[1] + MULT16_16_Q15(c1,lpc[0]); 211 lpc2[2] = lpc[2] + MULT16_16_Q15(c1,lpc[1]); 212 lpc2[3] = lpc[ [all...] |
H A D | celt_decoder.c | 92 /* opus_val16 lpc[], Size = channels*LPC_ORDER */ 340 opus_val16 *lpc; local 362 lpc = (opus_val16*)(st->_decode_mem+(DECODE_BUFFER_SIZE+overlap)*C); 363 oldBandE = lpc+C*LPC_ORDER; 503 _celt_lpc(lpc+c*LPC_ORDER, ac, LPC_ORDER); 518 celt_fir(exc+MAX_PERIOD-exc_length, lpc+c*LPC_ORDER, 584 celt_iir(buf+DECODE_BUFFER_SIZE-N, lpc+c*LPC_ORDER, 672 opus_val16 *lpc; local 711 lpc = (opus_val16*)(st->_decode_mem+(DECODE_BUFFER_SIZE+overlap)*CC); 712 oldBandE = lpc 1142 opus_val16 *lpc, *oldBandE, *oldLogE, *oldLogE2; local [all...] |
/external/chromium_org/third_party/webrtc/modules/audio_coding/codecs/ilbc/ |
H A D | do_plc.c | 35 int16_t *lpc, /* (i) decoded LPC (only used for no PL) */ 298 WEBRTC_SPL_MEMCPY_W16(PLClpc, lpc, (LPC_FILTERORDER+1)); 29 WebRtcIlbcfix_DoThePlc( int16_t *PLCresidual, int16_t *PLClpc, int16_t PLI, int16_t *decresidual, int16_t *lpc, int16_t inlag, iLBC_Dec_Inst_t *iLBCdec_inst ) argument
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/external/flac/libFLAC/ |
H A D | lpc.c | 40 #include "private/lpc.h" 115 FLAC__double r, err, ref[FLAC__MAX_LPC_ORDER], lpc[FLAC__MAX_LPC_ORDER]; local 128 r -= lpc[j] * autoc[i-j]; 132 lpc[i]=r; 134 FLAC__double tmp = lpc[j]; 135 lpc[j] += r * lpc[i-1-j]; 136 lpc[i-1-j] += r * tmp; 139 lpc[j] += lpc[ [all...] |
/external/flac/include/FLAC/ |
H A D | format.h | 348 FLAC__Subframe_LPC lpc; member in union:__anon21467::__anon21468
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