Update ivas_ism_dtx_dec.c

            st->bit_stream = st_ivas->hSCE[0]->hCoreCoder[0]->bit_stream;

            st->next_bit_pos = 0; /* note: needed in paramISM -> discISM switching */

            st->cng_ism_flag = 1;

            /* ISM objects with no SID: replicate 'sce_id_dtx' ISM parameters */

            if ( ivas_total_brate == IVAS_SID_5k2 && ch != sce_id_dtx ) /* note: 'sce_id_dtx' ISM parameters are read in ivas_decision_matrix_dec() */

            {

                st->total_brate = SID_2k40; /* just to avoid BER complaints; true 'total_brate' is set at the beginning of ivas_sce_dec() */

                st->bwidth = get_indice( st, 1, 2 );

                if ( get_indice( st, 1 + 2, 1 ) )

                {

                    st->L_frame = L_FRAME16k;

                }

                else

                {

                    st->L_frame = L_FRAME;

                }

            }            

#else

            ivas_ism_preprocessing( st_ivas, ch ); // VE: after the acceptance of switches, replace the function call by its content

#endif