155     const float *eb, bool att, float *scf)  in compute_scale_factors()  argument
295     scf[0] = (e[0] + e[4]) * 1.f/12 +  in compute_scale_factors()
298     scf_sum = scf[0];  in compute_scale_factors()
301         scf[i] = (e[4*i-1] + e[4*i+4]) * 1.f/12 +  in compute_scale_factors()
304         scf_sum += scf[i];  in compute_scale_factors()
307     scf[15] = (e[59] + e[63]) * 1.f/12 +  in compute_scale_factors()
310     scf_sum += scf[15];  in compute_scale_factors()
313         scf[i] = 0.85f * (scf[i] - scf_sum * 1.f/16);  in compute_scale_factors()
320     float s0, s1 = scf[0], s2 = scf[1], s3 = scf[2], s4 = scf[3];  in compute_scale_factors()
323     scf[0] = (sn += s3) * 1.f/3;  in compute_scale_factors()
324     scf[1] = (sn += s4) * 1.f/4;  in compute_scale_factors()
325     scf_sum = scf[0] + scf[1];  in compute_scale_factors()
328         s0 = s1, s1 = s2, s2 = s3, s3 = s4, s4 = scf[i+2];  in compute_scale_factors()
329         scf[i] = (sn += s4) * 1.f/5;  in compute_scale_factors()
330         scf_sum += scf[i];  in compute_scale_factors()
333     scf[14] = (sn      ) * 1.f/4;  in compute_scale_factors()
334     scf[15] = (sn -= s1) * 1.f/3;  in compute_scale_factors()
335     scf_sum += scf[14] + scf[15];  in compute_scale_factors()
338         scf[i] = (dt == LC3_DT_7M5 ? 0.3f : 0.5f) *  in compute_scale_factors()
339                  (scf[i] - scf_sum * 1.f/16);  in compute_scale_factors()
348     const float *scf, int *lfcb_idx, int *hfcb_idx)  in resolve_codebooks()  argument
359             dlfcb += (scf[  i] - lfcb[i]) * (scf[  i] - lfcb[i]);  in resolve_codebooks()
360             dhfcb += (scf[8+i] - hfcb[i]) * (scf[8+i] - hfcb[i]);  in resolve_codebooks()
423 LC3_HOT static void quantize(const float *scf, int lfcb_idx, int hfcb_idx,  in quantize()  argument
433         r[  i] = scf[  i] - lfcb[i];  in quantize()
434         r[8+i] = scf[8+i] - hfcb[i];  in quantize()
545     const float *c, int shape, int gain, float *scf)  in unquantize()  argument
551     dct16_inverse(c, scf);  in unquantize()
554         scf[i] = lfcb[i] + g * scf[i];  in unquantize()
557         scf[i] = hfcb[i-8] + g * scf[i];  in unquantize()
683     float scf[LC3_NUM_BANDS];  in spectral_shaping()  local
686     scf[0] = scf[1] = s1;  in spectral_shaping()
689         scf[4*i+2] = s0 + 0.125f * (s1 - s0);  in spectral_shaping()
690         scf[4*i+3] = s0 + 0.375f * (s1 - s0);  in spectral_shaping()
691         scf[4*i+4] = s0 + 0.625f * (s1 - s0);  in spectral_shaping()
692         scf[4*i+5] = s0 + 0.875f * (s1 - s0);  in spectral_shaping()
694     scf[62] = s1 + 0.125f * (s1 - s0);  in spectral_shaping()
695     scf[63] = s1 + 0.375f * (s1 - s0);  in spectral_shaping()
701         scf[i2] = 0.5f * (scf[2*i2] + scf[2*i2+1]);  in spectral_shaping()
704         memmove(scf + n2, scf + 2*n2, (nb - n2) * sizeof(float));  in spectral_shaping()
711         float g_sns = fast_exp2f(-scf[ib]);  in spectral_shaping()
737     float scf[16], cn[4][16];  in lc3_sns_analyze()  local
740     compute_scale_factors(dt, sr, eb, att, scf);  in lc3_sns_analyze()
742     resolve_codebooks(scf, &data->lfcb, &data->hfcb);  in lc3_sns_analyze()
744     quantize(scf, data->lfcb, data->hfcb,  in lc3_sns_analyze()
748         cn[data->shape], data->shape, data->gain, scf);  in lc3_sns_analyze()
753     spectral_shaping(dt, sr, scf, false, x, y);  in lc3_sns_analyze()
762     float scf[16], cn[16];  in lc3_sns_synthesize()  local
770     unquantize(data->lfcb, data->hfcb, cn, data->shape, data->gain, scf);  in lc3_sns_synthesize()
772     spectral_shaping(dt, sr, scf, true, x, y);  in lc3_sns_synthesize()