Commit e2dac988 authored by multrus's avatar multrus
Browse files

separate changes to transient detector from cdlfb_opt

parent 3ea8505d

lib_com/ivas_transient_det_fx.c

+17 −2
Original line number Diff line number Diff line
@@ -44,7 +44,11 @@ 
 *------------------------------------------------------------------------------------------*/



#define IVAS_TDET_PARM_ENV_EPS ( 1e-5f )

#ifndef OPT_SBA_DEC_PATH

#define IVAS_TDET_PARM_ENV_EPS_fx 21474          // Q31

#else                                            /* OPT_SBA_DEC_PATH */

#define IVAS_TDET_PARM_ENV_EPS_fx ( 1407374884 ) // Q47

#endif                                           /* OPT_SBA_DEC_PATH */



#define IVAS_TDET_DUCK_MULT_FAC   ( 590558003 ) // Q29

#define IVAS_TDET_PARM_TRANS_THR  ( 107374182 ) // Q30
@@ -403,8 +407,19 @@ void ivas_td_decorr_get_ducking_gains_fx( 
    FOR( i = 0; i < frame_len; i++ )

    {

        // e_fast_fx[i] = L_add( L_abs( e_fast_fx[i] ), L_shr( IVAS_TDET_PARM_ENV_EPS_fx, q_factor_diff ) ); /*Q14*/

#ifndef OPT_SBA_DEC_PATH

        e_fast_fx[i] = BASOP_Util_Add_Mant32Exp( L_abs( e_fast_fx[i] ), e_fast_e[i], IVAS_TDET_PARM_ENV_EPS_fx, 0, &e_fast_e[i] );

        move32();

#else  /* OPT_SBA_DEC_PATH */

        Word32 tmp = L_abs( e_fast_fx[i] );

        Word16 nrm = norm_l( tmp );

        Word16 max_e = s_max( sub( e_fast_e[i], nrm ), 31 - 47 );

        max_e = add( max_e, 1 ); // 1 for headroom

        e_fast_fx[i] = L_add( L_shr( tmp, sub( max_e, e_fast_e[i] ) ), L_shr( IVAS_TDET_PARM_ENV_EPS_fx, sub( max_e, 31 - 47 ) ) );

        move32();

        e_fast_e[i] = max_e;

        move16();

#endif /* OPT_SBA_DEC_PATH */

        e_slow_fx[i] = e_fast_fx[i];

        move32();

        e_slow_e[i] = e_fast_e[i];

lib_com/options.h

+2 −0
Original line number Diff line number Diff line
@@ -106,4 +106,6 @@ 


#define FIX_1713_EXP                            /* VA: proposed correction to exp in ic-BWE*/



#define OPT_SBA_DEC_PATH



#endif