Lines Matching defs:isf
139 pv_memcpy((void *)st->isf, (void *)isf_init, M*sizeof(*isf_init));
200 int16 isf[], /* o : CN ISF vector */
234 /* compute mean log energy and isf from decoded signal (SID_FIRST) */
241 /* average energy and isf */
265 st->isf[j] = (int16)(L_isf[j] >> 3); /* divide by 8 */
275 pv_memcpy((void *)st->isf_old, (void *)st->isf, M*sizeof(*st->isf));
307 Disf_ns(ind, st->isf);
327 pv_memcpy((void *)st->isf_old, (void *)st->isf, M*sizeof(*st->isf));
355 isf[i] = mult_int16(int_fac, st->isf[i]);/* Q14 * Q15 -> Q14 */
366 isf[i] = add_int16(isf[i], mult_int16(int_fac, st->isf_old[i]));
367 isf[i] = shl_int16(isf[i], 1); /* Q14 -> Q15 */
373 CN_dithering(isf, &L_log_en_int, &st->dither_seed);
463 int16 isf[],
478 pv_memcpy((void *)&st->isf_hist[st->hist_ptr * M], (void *)isf, M*sizeof(*isf));
750 /* the distances between the latest isf and other isfs, */
780 /* Compute the distance between the latest isf and the other isfs. */
921 int16 isf[M],
945 temp = add_int16(isf[0], mult_int16_r(rand_dith, dither_fac));
947 /* Make sure that isf[0] will not get negative values */
950 isf[0] = ISF_GAP;
954 isf[0] = temp;
964 temp = add_int16(isf[i], mult_int16_r(rand_dith, dither_fac));
965 temp1 = sub_int16(temp, isf[i - 1]);
967 /* Make sure that isf spacing remains at least ISF_DITH_GAP Hz */
970 isf[i] = isf[i - 1] + ISF_DITH_GAP;
974 isf[i] = temp;
978 /* Make sure that isf[M-2] will not get values above 16384 */
979 if (isf[M - 2] > 16384)
981 isf[M - 2] = 16384;