Commit 0d027294 authored by multrus's avatar multrus Committed by Sandesh Venkatesh
Browse files

defines

parent 772490d5

lib_rend/ivas_dirac_dec_binaural_functions.c

+9 −9
Original line number Diff line number Diff line
@@ -74,7 +74,7 @@ Word16 slot_fx[4] = { 32767, 16384, 10922, 8192 }; 
#define INV_TAN30_FX               28377      // Q14

#define EPSILON_MANT               1180591621 /* 1e-12 = 0.5497558*(2^-39) in Q70 */

#define EPSILON_EXP                ( -39 )

#ifdef FIX_1113_OPT_DIRAC_BIN_REND

#ifdef FIX_1009_REPLACE_DIV_SQRT_BY_ISQRT_LC

#define ONE_DIV_EPSILON_MANT 1953125000 /* 1e+12 = 0.9094947*(2^40) */

#define ONE_DIV_EPSILON_EXP  ( 40 )

#endif
@@ -4247,7 +4247,7 @@ static void formulate2x2MixingMatrix_fx( 
    // 4611686 = Q62

    IF( maxEne_fx == 0 )

    {

#ifdef FIX_1113_OPT_DIRAC_BIN_REND

#ifdef FIX_1009_REPLACE_DIV_SQRT_BY_ISQRT_LC

        maxEneDiv_fx = ONE_DIV_EPSILON_MANT;

        move32();

        q_maxEneDiv = 31 - ONE_DIV_EPSILON_EXP;
@@ -4315,7 +4315,7 @@ static void formulate2x2MixingMatrix_fx( 


    IF( temp == 0 )

    {

#ifdef FIX_1113_OPT_DIRAC_BIN_REND

#ifdef FIX_1009_REPLACE_DIV_SQRT_BY_ISQRT_LC

        IF( E_out1 == 0 )

        {

            Ghat_fx[0] = 0;
@@ -4340,11 +4340,11 @@ static void formulate2x2MixingMatrix_fx( 


        temp = BASOP_Util_Divide3232_Scale_cadence( E_out1, temp, &exp );

        exp = sub( exp, sub( q_eout, sub( 31, exp_temp ) ) );

#ifdef FIX_1113_OPT_DIRAC_BIN_REND

#ifdef FIX_1009_REPLACE_DIV_SQRT_BY_ISQRT_LC

        Ghat_fx[0] = Sqrt32( temp, &exp ); // Q = 31 - exp

#endif

    }

#ifndef FIX_1113_OPT_DIRAC_BIN_REND

#ifndef FIX_1009_REPLACE_DIV_SQRT_BY_ISQRT_LC

    Ghat_fx[0] = Sqrt32( temp, &exp ); // Q = 31 - exp

#endif

    move32();
@@ -4353,7 +4353,7 @@ static void formulate2x2MixingMatrix_fx( 
    temp = L_max( temp, E_in2 );        // q_ein

    IF( temp == 0 )

    {

#ifdef FIX_1113_OPT_DIRAC_BIN_REND

#ifdef FIX_1009_REPLACE_DIV_SQRT_BY_ISQRT_LC

        IF( E_out2 == 0 )

        { /* We can set hard-coded results */

            Ghat_fx[1] = 0;
@@ -4377,11 +4377,11 @@ static void formulate2x2MixingMatrix_fx( 


        temp = BASOP_Util_Divide3232_Scale_cadence( E_out2, temp, &exp1 );

        exp1 = sub( exp1, sub( q_eout, sub( 31, exp_temp ) ) );

#ifdef FIX_1113_OPT_DIRAC_BIN_REND

#ifdef FIX_1009_REPLACE_DIV_SQRT_BY_ISQRT_LC

        Ghat_fx[1] = Sqrt32( temp, &exp1 ); // Q = 31 - exp1

#endif

    }

#ifndef FIX_1113_OPT_DIRAC_BIN_REND

#ifndef FIX_1009_REPLACE_DIV_SQRT_BY_ISQRT_LC

    Ghat_fx[1] = Sqrt32( temp, &exp1 ); // Q = 31 - exp1

#endif

    move32();
@@ -4566,7 +4566,7 @@ static void formulate2x2MixingMatrix_fx( 
        {

            IF( Sx_fx[chB] == 0 )

            {

#ifdef FIX_1113_OPT_DIRAC_BIN_REND

#ifdef FIX_1009_REPLACE_DIV_SQRT_BY_ISQRT_LC

                Pre_fx[chA][chB] = Mpy_32_32( Pre_fx[chA][chB], ONE_DIV_EPSILON_MANT );

                // q_Pre[chA][chB]  = add(sub(31, q_P), 31 - ONE_DIV_EPSILON_EXP);

                q_Pre[chA][chB] = sub( 62 - ONE_DIV_EPSILON_EXP, q_P );