Searched refs:lpc_n (Results 1 - 3 of 3) sorted by relevance
| /third_party/ffmpeg/libavcodec/ |
| H A D | amrnbdec.c | 881 * @param lpc_n LP_FILTER_ORDER coefficients of the numerator
884 static float tilt_factor(AMRContext *p, float *lpc_n, float *lpc_d) in tilt_factor() argument
893 memcpy(hf + 1, lpc_n, sizeof(float) * LP_FILTER_ORDER); in tilt_factor()
924 float lpc_n[LP_FILTER_ORDER], lpc_d[LP_FILTER_ORDER]; // Transfer function coefficients in postfilter() local
935 lpc_n[i] = lpc[i] * gamma_n[i]; in postfilter()
945 p->celpf_ctx.celp_lp_zero_synthesis_filterf(buf_out, lpc_n, in postfilter()
949 ff_tilt_compensation(&p->tilt_mem, tilt_factor(p, lpc_n, lpc_d), buf_out, in postfilter()
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| H A D | sipr.c | 278 float lpc_n[LP_FILTER_ORDER]; in postfilter_5k0() local
284 lpc_n[i] = lpc[i] * ff_pow_0_5 [i]; in postfilter_5k0()
304 ff_celp_lp_zero_synthesis_filterf(samples, lpc_n, pole_out, SUBFR_SIZE, in postfilter_5k0()
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| H A D | ilbcdec.c | 101 int lpc_n; member
283 static void lsf_dequantization(int16_t *lsfdeq, int16_t *index, int16_t lpc_n) in lsf_dequantization() argument
296 if (lpc_n > 1) { in lsf_dequantization()
1383 lsf_dequantization(s->lsfdeq, s->frame.lsf, s->lpc_n); in ilbc_decode_frame()
1384 lsf_check_stability(s->lsfdeq, LPC_FILTERORDER, s->lpc_n); in ilbc_decode_frame()
1468 s->lpc_n = LPC_N_30MS; in ilbc_decode_init()
1474 s->lpc_n = LPC_N_20MS; in ilbc_decode_init()
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