Line data    Source code

       1             : /*====================================================================================
       2             :     EVS Codec 3GPP TS26.452 Aug 12, 2021. Version 16.3.0
       3             :   ====================================================================================*/
       4             : 
       5             : 
       6             : /* Header files */
       7             : #include <stdint.h>
       8             : #include "options.h"
       9             : #include "prot_fx.h"
      10             : 
      11        4149 : void dlpc_bfi(
      12             :     const Word16 L_frame,
      13             :     Word16 *lsf_q,             /* o  : quantized LSFs                         14Q1*1.28*/
      14             :     const Word16 *lsfold,      /* i  : past quantized LSF                     14Q1*1.28*/
      15             :     const Word16 last_good,    /* i  : last good received frame               Q0*/
      16             :     const Word16 nbLostCmpt,   /* i  : counter of consecutive bad frames      Q0*/
      17             :     Word16 mem_MA[],           /* i/o: quantizer memory for MA model          14Q1*1.28*/
      18             :     Word16 mem_AR[],           /* i/o: quantizer memory for AR model          14Q1*1.28*/
      19             :     Word16 *stab_fac,          /* i  : LSF stability factor                   Q15*/
      20             :     Word16 *lsf_adaptive_mean, /* i  : LSF adaptive mean, updated when BFI==0 14Q1*1.28*/
      21             :     Word16 numlpc,             /* i  : Number of division per superframe      Q0*/
      22             :     Word16 lsf_cng[],          /*Q1*1.28*/
      23             :     Word8 plcBackgroundNoiseUpdated,
      24             :     Word16 *lsf_q_cng,     /* o  : quantized LSFs                      14Q1*1.28*/
      25             :     Word16 *old_lsf_q_cng, /* o  : old quantized LSFs for background noise 14Q1*1.28*/
      26             :     const Word16 *lsfBase, /* i  : base for differential LSF coding        Q1*1.28*/
      27             :     Word8 tcxonly )
      28             : {
      29             : 
      30        4149 :     lsf_dec_bfi( MODE2, &lsf_q[0], lsfold, lsf_adaptive_mean, lsfBase, mem_MA, mem_AR, *stab_fac,
      31             :                  0, L_frame, last_good, nbLostCmpt, plcBackgroundNoiseUpdated, lsf_q_cng, lsf_cng, old_lsf_q_cng, 0, 0, tcxonly, 0 );
      32             : 
      33        4149 :     IF( EQ_16( numlpc, 2 ) )
      34             :     {
      35             :         /* Decode the second LPC */
      36           8 :         lsf_dec_bfi( MODE2, &lsf_q[M], &lsf_q[0], lsf_adaptive_mean, lsfBase, mem_MA, mem_AR, *stab_fac,
      37           8 :                      0, L_frame, last_good, add( nbLostCmpt, 1 ), plcBackgroundNoiseUpdated, lsf_q_cng, lsf_cng, old_lsf_q_cng, 0, 0, tcxonly, 0 );
      38             :     }
      39             :     /**/ /*No local variabvles defined*/
      40        4149 : }