Commit 5f27469a authored by Mohammadreza Naghibzadeh's avatar Mohammadreza Naghibzadeh
Browse files

Remove the SCE limit on calc_residu_fx pre-normalization and add a comment to... 

Remove the SCE limit on calc_residu_fx pre-normalization and add a comment to the normalization before analy_lp_fx().
parent 7fe3aeba

lib_enc/acelp_core_enc_fx.c

+1 −1
Original line number Diff line number Diff line
@@ -669,7 +669,7 @@ ivas_error acelp_core_enc_fx( 
#ifdef FIX_BASOP_2517_CLICK_IN_OMASA_LTV

        Word16 scf = sub( norm_arr( inp - M, add( st->L_frame, M ) ), 2 );

        test();

        IF( EQ_16( st->element_mode, IVAS_SCE ) && GT_16( scf, 0 ) )

        IF( NE_16( st->element_mode, EVS_MONO ) && GT_16( scf, 0 ) )

        {

            Word16 inp_local_acelp[L_FRAME16k + M];

            Copy_Scale_sig( inp - M, inp_local_acelp, add( st->L_frame, M ), scf );

lib_enc/ivas_core_pre_proc_front_fx.c

+1 −1
Original line number Diff line number Diff line
@@ -1160,7 +1160,7 @@ void pre_proc_front_ivas_fx( 
    Word16 norm_inp = norm_arr( old_inp_12k8_fx, L_INP_12k8 );



    test();

    IF( EQ_16( element_mode, IVAS_SCE ) && GT_16( norm_inp, 0 ) )

    IF( EQ_16( element_mode, IVAS_SCE ) && GT_16( norm_inp, 0 ) ) // SCE only: in stereo (CPE), pre-normalization slightly alters A_fx, causing divergence from the floating-point decoder during a mode switch.

    {

        Copy_Scale_sig( old_inp_12k8_fx, inp_local, L_INP_12k8, norm_inp );

        Q_local = add( *Q_new, norm_inp );