Lines Matching refs:lsf
79 int16_t lsf[LSF_NSPLIT*LPC_N_MAX];
136 frame->lsf[0] = get_bits(gb, 6);
137 frame->lsf[1] = get_bits(gb, 7);
138 frame->lsf[2] = get_bits(gb, 7);
152 frame->lsf[3] = get_bits(gb, 6);
153 frame->lsf[4] = get_bits(gb, 7);
154 frame->lsf[5] = get_bits(gb, 7);
311 static void lsf_check_stability(int16_t *lsf, int dim, int nb_vectors)
318 if ((lsf[i + 1] - lsf[i]) < 319) {
319 if (lsf[i + 1] < lsf[i]) {
320 lsf[i + 1] = lsf[i] + 160;
321 lsf[i] = lsf[i + 1] - 160;
323 lsf[i] -= 160;
324 lsf[i + 1] += 160;
328 lsf[i] = av_clip(lsf[i], 82, 25723);
344 static void lsf2lsp(int16_t *lsf, int16_t *lsp, int order)
351 freq = (lsf[i] * 20861) >> 15;
394 static void lsf2poly(int16_t *a, int16_t *lsf)
401 lsf2lsp(lsf, lsp, LPC_FILTERORDER);
1383 lsf_dequantization(s->lsfdeq, s->frame.lsf, s->lpc_n);