367   WORD32 fac_length;  in ixheaacd_acelp_alias_cnx()  local
387   fac_length = len_subfr / 2;  in ixheaacd_acelp_alias_cnx()
390     for (i = 0; i < fac_length / 2; i++) {  in ixheaacd_acelp_alias_cnx()
392       x[fac_length / 2 + i] =  in ixheaacd_acelp_alias_cnx()
394           pstr_td_frame_data->fac[k * FAC_LENGTH + fac_length - 2 * i - 1];  in ixheaacd_acelp_alias_cnx()
396     for (i = 0; i < fac_length / 8; i++) {  in ixheaacd_acelp_alias_cnx()
398       x[fac_length - i - 1] *= st->fac_fd_data[2 * i + 1];  in ixheaacd_acelp_alias_cnx()
402     shiftp = ixheaacd_float2fix(x, int_x, fac_length);  in ixheaacd_acelp_alias_cnx()
405         ixheaacd_acelp_mdct(int_x, int_xn2, &preshift, fac_length, ptr_scratch);  in ixheaacd_acelp_alias_cnx()
407     ixheaacd_fix2float(int_xn2, xn2 + fac_length, fac_length, &shiftp,  in ixheaacd_acelp_alias_cnx()
410     ixheaacd_vec_cnst_mul((2.0f / (FLOAT32)fac_length), xn2 + fac_length,  in ixheaacd_acelp_alias_cnx()
411                           xn2 + fac_length, fac_length);  in ixheaacd_acelp_alias_cnx()
413     memset(xn2, 0, fac_length * sizeof(FLOAT32));  in ixheaacd_acelp_alias_cnx()
415     ixheaacd_lpc_wt_synthesis_tool(st->lp_flt_coeff_a_prev, xn2 + fac_length,  in ixheaacd_acelp_alias_cnx()
416                                    fac_length);  in ixheaacd_acelp_alias_cnx()
418     for (i = 0; i < 2 * fac_length; i++)  in ixheaacd_acelp_alias_cnx()
419       xn2[i] += synth_signal[i - (2 * fac_length)];  in ixheaacd_acelp_alias_cnx()
421     memcpy(synth_signal - fac_length, xn2 + fac_length,  in ixheaacd_acelp_alias_cnx()
422            fac_length * sizeof(FLOAT32));  in ixheaacd_acelp_alias_cnx()
425     ixheaacd_preemphsis_tool_float(xn2, PREEMPH_FILT_FAC, 2 * fac_length, tmp);  in ixheaacd_acelp_alias_cnx()
428     TTT = fac_length % LEN_SUBFR;  in ixheaacd_acelp_alias_cnx()
431           ptr_lp_filt_coeff, &xn2[fac_length],  in ixheaacd_acelp_alias_cnx()
432           &xcitation_curr[fac_length - (2 * fac_length)], TTT, 1);  in ixheaacd_acelp_alias_cnx()
436     loop_count = (fac_length + TTT) / LEN_SUBFR;  in ixheaacd_acelp_alias_cnx()
437     ixheaacd_residual_tool_float(ptr_lp_filt_coeff, &xn2[fac_length + TTT],  in ixheaacd_acelp_alias_cnx()
438                                  &xcitation_curr[TTT - fac_length], LEN_SUBFR,  in ixheaacd_acelp_alias_cnx()
588   memcpy(st->exc_prev, synth_signal + len_subfr - (1 + fac_length),  in ixheaacd_acelp_alias_cnx()
589          (1 + fac_length) * sizeof(FLOAT32));  in ixheaacd_acelp_alias_cnx()
591   memcpy(st->exc_prev + 1 + fac_length, synth_temp + 16,  in ixheaacd_acelp_alias_cnx()
592          fac_length * sizeof(FLOAT32));  in ixheaacd_acelp_alias_cnx()
593   ixheaacd_deemphsis_tool(st->exc_prev + 1 + fac_length, fac_length,  in ixheaacd_acelp_alias_cnx()