Searched refs:lpc (Results 1 - 22 of 22) sorted by relevance

/external/libvorbis/lib/
H A Dlpc.h14 last mod: $Id: lpc.h 16037 2009-05-26 21:10:58Z xiphmont $
24 extern float vorbis_lpc_from_data(float *data,float *lpc,int n,int m);
H A Dlpc.c14 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[
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H A Dlsp.h22 extern int vorbis_lpc_to_lsp(float *lpc,float *lsp,int m);
H A DMakefile.am10 lpc.c analysis.c synthesis.c psy.c info.c \
14 envelope.h lpc.h lsp.h codebook.h misc.h psy.h\
H A Dlsp.c25 /* 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];
H A Dblock.c30 #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,
/external/speex/libspeex/
H A Dlpc.c56 #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
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H A Dlpc.h3 @file lpc.h
47 spx_coef_t * lpc, /* [0...p-1] LPC coefficients */
H A Dnb_celp.c38 #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);
H A Dsb_celp.c39 #include "lpc.h"
322 VARDECL(spx_coef_t *lpc);
373 ALLOC(lpc, st->lpcSize, spx_coef_t);
407 _spx_lpc(lpc, autocorr, st->lpcSize);
411 roots=lpc_to_lsp (lpc, st->lpcSize, lsp, 10, LSP_DELTA1, stack);
414 roots = lpc_to_lsp (lpc, st->lpcSize, lsp, 10, LSP_DELTA2, stack);
/external/libgsm/
H A DAndroid.mk29 src/lpc.c \
/external/flac/libFLAC/
H A DAndroid.mk13 lpc.c \
H A Dlpc.c40 #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[
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H A Dstream_encoder.c65 #include "private/lpc.h"
383 FLAC__bool use_wide_by_order; /* use slow 64-bit versions of some functions because of the lpc order */
3300 /* encode lpc */
3396 /* under rare circumstances this can happen when all but lpc subframe types are disabled: */
3430 if(!FLAC__subframe_add_lpc(&(subframe->data.lpc), blocksize - subframe->data.lpc.order, subframe_bps, subframe->wasted_bits, frame)) {
3611 subframe->data.lpc.entropy_coding_method.type = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE;
3612 subframe->data.lpc.entropy_coding_method.data.partitioned_rice.contents = partitioned_rice_contents;
3613 subframe->data.lpc.residual = residual;
3630 &subframe->data.lpc
[all...]
H A Dstream_decoder.c64 #include "private/lpc.h"
2607 FLAC__Subframe_LPC *subframe = &decoder->private_->frame.subframes[channel].data.lpc;
/external/libvorbis/
H A DAndroid.mk18 lib/lpc.c \
/external/libvorbis/symbian/
H A Dvorbis.mmp39 SOURCE lookup.c lpc.c lsp.c mapping0.c mdct.c psy.c registry.c res0.c sharedbook.c
/external/dbus/dbus/
H A Ddbus-sysdeps-win.c2433 char *lpc = &info.szHwProfileGuid[0];
2444 lpc++;
2446 u = ((fromAscii(lpc[0]) << 0) |
2447 (fromAscii(lpc[1]) << 4) |
2448 (fromAscii(lpc[2]) << 8) |
2449 (fromAscii(lpc[3]) << 12) |
2450 (fromAscii(lpc[4]) << 16) |
2451 (fromAscii(lpc[5]) << 20) |
2452 (fromAscii(lpc[6]) << 24) |
2453 (fromAscii(lpc[
[all...]
/external/flac/include/FLAC/
H A Dformat.h348 FLAC__Subframe_LPC lpc; member in union:__anon5411::__anon5412
/external/quake/quake/src/WinQuake/
H A Dmplpc.cpp28 //#include "lpc.h"
369 SetLPCData(LPCData *lpc) argument
372 FARPOKL(&(lpc->version), 1);
373 FARPOKL(&(lpc->sizeOfArgs), 0);
374 FARPOKL(&(lpc->service), 0);
/external/flac/libFLAC/ppc/as/
H A Dlpc_asm.s45 ; see src/libFLAC/lpc.c:FLAC__lpc_restore_signal()
/external/flac/libFLAC/ppc/gas/
H A Dlpc_asm.s47 # see src/libFLAC/lpc.c:FLAC__lpc_restore_signal()

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