Commit 1d1b53a5 authored by Manuel Jander's avatar Manuel Jander
Browse files

Avoid rescale of Q_syn_Overl_TDACFB in TCX PLC, just copy it with current Q... 

Avoid rescale of Q_syn_Overl_TDACFB in TCX PLC, just copy it with current Q value. Also add comment on Q value asignment so it is clear where it comes from after lerp().
parent 9545634a

lib_dec/er_dec_tcx_fx.c

+6 −1
Original line number Diff line number Diff line
@@ -1860,9 +1860,14 @@ void con_tcx_ivas_fx( 
    move16();



    /* create aliasing and windowing need for transition to TCX10/5 */

#ifdef FIX_1348_BIT_PRECISION_IMPROVEMENT

    Copy( syn + L_frame, hTcxDec->syn_Overl_TDACFB, shr( L_frame, 1 ) );

    hTcxDec->Q_syn_Overl_TDACFB = Q_syn;

#else

    // bufferCopyFx( syn + L_frame, hTcxDec->syn_Overl_TDACFB, shr( L_frame, 1 ), Q_syn, 0, -1, 0 );

    Copy_Scale_sig( syn + L_frame, hTcxDec->syn_Overl_TDACFB, shr( L_frame, 1 ), sub( Q_syn, 1 ) );

    hTcxDec->Q_syn_Overl_TDACFB = sub( Q_syn, 1 );

#endif

    move16();



    FOR( i = 0; i < W12; i++ )
@@ -1922,7 +1927,7 @@ void con_tcx_ivas_fx( 
    hTcxDec->Q_syn_Overl_TDAC = hTcxDec->Q_syn_Overl_TDACFB;

    move16();

    lerp( st->hHQ_core->old_out_fx, st->hHQ_core->old_out_LB_fx, st->L_frame, L_frame );

    st->hHQ_core->Q_old_wtda_LB = Q_syn;

    st->hHQ_core->Q_old_wtda_LB = Q_syn; // st->hHQ_core->Q_old_wtda

    st->old_enr_LP = Enr_1_Az_fx( A_local, L_SUBFR ); /*Q3*/

    move16();