Commit 2c50f3e1 authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
Browse files

Fix for 3GPP issue 1125: interfering talker flag not triggered on short test vector 

Link #1125
parent e43f1385

lib_com/ivas_rom_com_fx.c

+10 −0
Original line number Diff line number Diff line
@@ -1356,6 +1356,16 @@ const UWord32 tdm_ratio_tabl_fx[TDM_NQ + 1] = { 
    2147483647, 2147483647, 2147483647

};



// Q30

const Word32 tdm_ratio_tabl_fx_Q30[] = {

    0, 0, 11703786, 26306674, 46385648, 71940704, 102542344, 137868448,

    177596896, 221298192, 268435456, 318471840, 370977792, 425201760, 480714208,

    536870912, 593027584, 648540032, 702764032, 755270016, 805306368, 852443648,

    896144896, 935873344, 971199488, 1001801152, 1027356160, 1047435136,

    1062038016, 1073741824, 1073741824, 1073741824

};





// Q24

const Word32 tdm_ratio_tabl_fx_Q24[TDM_NQ + 1] = {

    0, 0, 182871, 411041, 724775, 1124073, 1602224, 2154194,

lib_com/ivas_rom_com_fx.h

+1 −0
Original line number Diff line number Diff line
@@ -108,6 +108,7 @@ extern const Word16 pow_10_icbwe_gsMappingDFT_tbl_fx[]; 
 *----------------------------------------------------------------------------------*/



extern const UWord32 tdm_ratio_tabl_fx[TDM_NQ + 1];

extern const Word32 tdm_ratio_tabl_fx_Q30[TDM_NQ + 1];

extern const Word32 tdm_ratio_tabl_fx_Q24[TDM_NQ + 1];

extern const UWord32 tdm_den_ratio_tabl_fx[];

extern const Word16 icbwe_gsMapping_tbl_fx[];    // Q12

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -105,6 +105,7 @@ 
#define FIX_1100_REMOVE_LPC_RESCALING           /* VA: Remove the rescaling of LPC coefficient to Q12 as residu and syn-filt are already taking care of it*/

#define FIX_1133_IMPROVE_MC_MLD                 /* Ittiam: Correcting wrong updation of exponents in ivas_mc_paramupmix_param_est_enc_fx() */

#define FIX_ISSUE_1122                          /* Ittiam: Fix issue 1122: corrected incorrect scaling of a buffer leading to incorrect metadata bits */

#define FIX_ISSUE_1125                          /* Ittiam: Fix issue 1125: interfering talker flag not triggered on short test vector */

#define FIX_1132_STACK_CORRUPTION               /* Stack corruption issue due of extending index access*/

#define FIX_ISSUE_1092                          /* Ittiam: Fix for Issue 1092: BASOP asserts in stereo fx encoder for selection test inputs*/

#define FIX_ISSUE_1135                          /* Ittiam: Fix for Issue 1135: downmixing difference between float and fixed-point (DFT - stereo) */

lib_enc/ivas_stereo_ica_enc.c

+15 −2
Original line number Diff line number Diff line
@@ -2260,7 +2260,20 @@ static void unclr_calc_corr_features_fx( 


        side_i = BASOP_Util_Add_Mant32Exp( L_shr( buf1[i], 1 ), sub( 31, q_com ), L_negate( L_shr( buf2[i], 1 ) ), sub( 31, q_com ), &exp ); /* Q31-exp */

        ener_side = BASOP_Util_Add_Mant32Exp( ener_side, ener_side_exp, Mpy_32_32( side_i, side_i ), shl( exp, 1 ), &ener_side_exp );        /* Q31-ener_side_exp */



#ifdef FIX_ISSUE_1125

        Word16 n1, n2, prod_i_exp;

        Word32 x, y, prod_i;

        n1 = norm_l( buf1[i] );

        n2 = norm_l( buf2[i] );

        x = L_shl( buf1[i], n1 );   // q: q_com + n1

        y = L_shl( buf2[i], n2 );   // q: q_com + n2

        prod_i = Mpy_32_32( x, y ); // q: q_com * 2 + n1 + n2 - 31

        prod_i_exp = sub( 62, add( shl( q_com, 1 ), add( n1, n2 ) ) );

        sum_prod = BASOP_Util_Add_Mant32Exp( sum_prod, sum_prod_exp, prod_i, prod_i_exp, &sum_prod_exp ); /* Q31-sum_prod_exp */

#else

        sum_prod = BASOP_Util_Add_Mant32Exp( sum_prod, sum_prod_exp, Mpy_32_32( buf1[i], buf2[i] ), sub( 62, shl( q_com, 1 ) ), &sum_prod_exp ); /* Q31-sum_prod_exp */

#endif

    }



    /* average energy of L and R channels */

lib_enc/ivas_stereo_td_analysis.c

+14 −1
Original line number Diff line number Diff line
@@ -635,14 +635,23 @@ Word16 stereo_tdm_ener_analysis_fx( 
        hStereoTD->tdm_last_LRTD_PriCh_cnt = add( hStereoTD->tdm_last_LRTD_PriCh_cnt, 1 );

        move16();

    }



#ifdef FIX_ISSUE_1125

    ratio_L_fx = tdm_ratio_tabl_fx_Q30[idx]; // Q30

#else

    ratio_L_fx = tdm_ratio_tabl_fx[idx]; // Q31

#endif

    move32();



    test();

    IF( EQ_16( hStereoTD->tdm_SM_modi_flag, 1 ) && hStereoTD->tdm_LRTD_flag == 0 )

    {

        idx = shr( add( hStereoTD->tdm_last_ratio_idx, add( LRTD_STEREO_MID_IS_PRIM, 1 ) ), 1 );

#ifdef FIX_ISSUE_1125

        ratio_L_fx = tdm_ratio_tabl_fx_Q30[idx]; // Q30

#else

        ratio_L_fx = tdm_ratio_tabl_fx[idx]; // Q31

#endif

        move32();

    }
@@ -731,8 +740,12 @@ Word16 stereo_tdm_ener_analysis_fx( 
        move16();

    }



    hCPE->hStereoClassif->ratio_L_fx = ratio_L_fx; /* Q15 */

    hCPE->hStereoClassif->ratio_L_fx = ratio_L_fx; /* 31 - ratio_L_e */

    move32();

#ifdef FIX_ISSUE_1125

    hCPE->hStereoClassif->ratio_L_e = 1;

    move16();

#endif



    return idx;

}