Commit 4e6820a1 authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
Browse files

LTV testing for optimizations - 13032025

parent 31b60873

lib_com/cldfb.c

+437 −14
Original line number Diff line number Diff line
@@ -400,8 +400,8 @@ void cldfbAnalysis_ts_fx( 
            rr12_fx = L_sub( r1_fx, r2_fx );             // q -1

            ri12_fx = L_negate( L_add( i1_fx, i2_fx ) ); // q - 1

            /*cplxMult(&rBuffer[2*k],&rBuffer[2*k+1],rr12,ri12,rot_vctr_re[k],rot_vctr_im[k]);*/

            rBuffer_fx[2 * k] = L_sub( Mpy_32_32( rr12_fx, rot_vctr_re_fx[k] ), Mpy_32_32( ri12_fx, rot_vctr_im_fx[k] ) );     // q - 3

            rBuffer_fx[2 * k + 1] = L_add( Mpy_32_32( rr12_fx, rot_vctr_im_fx[k] ), Mpy_32_32( ri12_fx, rot_vctr_re_fx[k] ) ); // q - 3

            rBuffer_fx[2 * k] = Msub_32_32( Mpy_32_32( rr12_fx, rot_vctr_re_fx[k] ), ri12_fx, rot_vctr_im_fx[k] );     // q - 3

            rBuffer_fx[2 * k + 1] = Madd_32_32( Mpy_32_32( rr12_fx, rot_vctr_im_fx[k] ), ri12_fx, rot_vctr_re_fx[k] ); // q - 3

            move32();

            move32();
@@ -409,8 +409,8 @@ void cldfbAnalysis_ts_fx( 
            ir12_fx = L_add( r1_fx, r2_fx ); // q - 1

            ii12_fx = L_sub( i1_fx, i2_fx ); // q - 1

            /*cplxMult(&iBuffer[2*k],&iBuffer[2*k+1],ir12,ii12,rot_vctr_re[k],rot_vctr_im[k]);*/

            iBuffer_fx[2 * k] = L_sub( Mpy_32_32( ir12_fx, rot_vctr_re_fx[k] ), Mpy_32_32( ii12_fx, rot_vctr_im_fx[k] ) );     // q - 3

            iBuffer_fx[2 * k + 1] = L_add( Mpy_32_32( ir12_fx, rot_vctr_im_fx[k] ), Mpy_32_32( ii12_fx, rot_vctr_re_fx[k] ) ); // q - 3

            iBuffer_fx[2 * k] = Msub_32_32( Mpy_32_32( ir12_fx, rot_vctr_re_fx[k] ), ii12_fx, rot_vctr_im_fx[k] );     // q - 3

            iBuffer_fx[2 * k + 1] = Madd_32_32( Mpy_32_32( ir12_fx, rot_vctr_im_fx[k] ), ii12_fx, rot_vctr_re_fx[k] ); // q - 3

            move32();

            move32();

        }
@@ -451,8 +451,8 @@ void cldfbAnalysis_ts_fx( 
            rr12_fx = L_add( r1_fx, r2_fx ); // q - 1

            ri12_fx = L_sub( i1_fx, i2_fx ); // q - 1

            /*cplxMult(&rBuffer[2*k],&rBuffer[2*k+1],rr12,ri12,rot_vctr_re[k],rot_vctr_im[k]);*/

            rBuffer_fx[2 * k] = L_sub( Mpy_32_32( rr12_fx, rot_vctr_re_fx[k] ), Mpy_32_32( ri12_fx, rot_vctr_im_fx[k] ) );     // q - 3

            rBuffer_fx[2 * k + 1] = L_add( Mpy_32_32( rr12_fx, rot_vctr_im_fx[k] ), Mpy_32_32( ri12_fx, rot_vctr_re_fx[k] ) ); // q - 3

            rBuffer_fx[2 * k] = Msub_32_32( Mpy_32_32( rr12_fx, rot_vctr_re_fx[k] ), ri12_fx, rot_vctr_im_fx[k] );     // q - 3

            rBuffer_fx[2 * k + 1] = Madd_32_32( Mpy_32_32( rr12_fx, rot_vctr_im_fx[k] ), ri12_fx, rot_vctr_re_fx[k] ); // q - 3

            move32();

            move32();
@@ -460,8 +460,8 @@ void cldfbAnalysis_ts_fx( 
            ir12_fx = L_sub( r1_fx, r2_fx ); // q - 1

            ii12_fx = L_add( i1_fx, i2_fx ); // q - 1

            /*cplxMult(&iBuffer[2*k],&iBuffer[2*k+1],ir12,ii12,rot_vctr_re[k],rot_vctr_im[k]);*/

            iBuffer_fx[2 * k] = L_sub( Mpy_32_32( ir12_fx, rot_vctr_re_fx[k] ), Mpy_32_32( ii12_fx, rot_vctr_im_fx[k] ) );     // q - 3

            iBuffer_fx[2 * k + 1] = L_add( Mpy_32_32( ir12_fx, rot_vctr_im_fx[k] ), Mpy_32_32( ii12_fx, rot_vctr_re_fx[k] ) ); // q - 3

            iBuffer_fx[2 * k] = Msub_32_32( Mpy_32_32( ir12_fx, rot_vctr_re_fx[k] ), ii12_fx, rot_vctr_im_fx[k] );     // q - 3

            iBuffer_fx[2 * k + 1] = Madd_32_32( Mpy_32_32( ir12_fx, rot_vctr_im_fx[k] ), ii12_fx, rot_vctr_re_fx[k] ); // q - 3

            move32();

            move32();

        }
@@ -490,8 +490,8 @@ void cldfbAnalysis_ts_fx( 
        FOR( k = 0; k < M2; k++ )

        {

            /*cplxMult(&realBuffer[M1-1-(2*k)],&realBuffer[2*k],rBuffer[2*k],rBuffer[2*k+1],rot_vctr_re[k],rot_vctr_im[k]);*/

            realBuffer_fx[( ( M1 - 1 ) - ( k * 2 ) )] = L_sub( Mpy_32_32( rBuffer_fx[2 * k], rot_vctr_re_fx[k] ), Mpy_32_32( rBuffer_fx[2 * k + 1], rot_vctr_im_fx[k] ) ); // q - 5

            realBuffer_fx[2 * k] = L_add( Mpy_32_32( rBuffer_fx[2 * k], rot_vctr_im_fx[k] ), Mpy_32_32( rBuffer_fx[2 * k + 1], rot_vctr_re_fx[k] ) );                      // q - 5

            realBuffer_fx[( ( M1 - 1 ) - ( k * 2 ) )] = Msub_32_32( Mpy_32_32( rBuffer_fx[2 * k], rot_vctr_re_fx[k] ), rBuffer_fx[2 * k + 1], rot_vctr_im_fx[k] ); // q - 5

            realBuffer_fx[2 * k] = Madd_32_32( Mpy_32_32( rBuffer_fx[2 * k], rot_vctr_im_fx[k] ), rBuffer_fx[2 * k + 1], rot_vctr_re_fx[k] );                      // q - 5

            move32();

            move32();

        }
@@ -520,8 +520,8 @@ void cldfbAnalysis_ts_fx( 
        {

            /* do it inplace */

            /*cplxMult(&imagBuffer[2*k],&imagBuffer[M1-1-(2*k)],iBuffer[2*k],iBuffer[2*k+1],rot_vctr_re[k],rot_vctr_im[k]);*/

            imagBuffer_fx[2 * k] = L_sub( Mpy_32_32( iBuffer_fx[2 * k], rot_vctr_re_fx[k] ), Mpy_32_32( iBuffer_fx[2 * k + 1], rot_vctr_im_fx[k] ) );                  // q - 5

            imagBuffer_fx[( M1 - 1 ) - ( k * 2 )] = L_add( Mpy_32_32( iBuffer_fx[2 * k], rot_vctr_im_fx[k] ), Mpy_32_32( iBuffer_fx[2 * k + 1], rot_vctr_re_fx[k] ) ); // q - 5

            imagBuffer_fx[2 * k] = Msub_32_32( Mpy_32_32( iBuffer_fx[2 * k], rot_vctr_re_fx[k] ), iBuffer_fx[2 * k + 1], rot_vctr_im_fx[k] );                  // q - 5

            imagBuffer_fx[( M1 - 1 ) - ( k * 2 )] = Madd_32_32( Mpy_32_32( iBuffer_fx[2 * k], rot_vctr_im_fx[k] ), iBuffer_fx[2 * k + 1], rot_vctr_re_fx[k] ); // q - 5

            move32();

            move32();

        }
@@ -542,8 +542,8 @@ void cldfbAnalysis_ts_fx( 
                    /*cplxMult(&realBuffer[k], &imagBuffer[k], realBuffer[k], imagBuffer[k], rot_vctr_delay_re[k], rot_vctr_delay_im[k]);*/

                    /*realBuffer[k] = rBuffer[k];

                    imagBuffer[k] = iBuffer[k];*/

                    cplx_aux_fx = L_sub( Mpy_32_32( realBuffer_fx[k], rot_vctr_delay_re_fx[k] ), Mpy_32_32( imagBuffer_fx[k], rot_vctr_delay_im_fx[k] ) );      // q - 5

                    imagBuffer_fx[k] = L_add( Mpy_32_32( realBuffer_fx[k], rot_vctr_delay_im_fx[k] ), Mpy_32_32( imagBuffer_fx[k], rot_vctr_delay_re_fx[k] ) ); // q - 5

                    cplx_aux_fx = Msub_32_32( Mpy_32_32( realBuffer_fx[k], rot_vctr_delay_re_fx[k] ), imagBuffer_fx[k], rot_vctr_delay_im_fx[k] );      // q - 5

                    imagBuffer_fx[k] = Madd_32_32( Mpy_32_32( realBuffer_fx[k], rot_vctr_delay_im_fx[k] ), imagBuffer_fx[k], rot_vctr_delay_re_fx[k] ); // q - 5

                    realBuffer_fx[k] = cplx_aux_fx;

                    move32();

                    move32();
@@ -1305,6 +1305,429 @@ void cldfbSynthesis_ivas_fx( 
    return;

}



void cldfbSynthesis_ivas_fx_2(

    Word32 **realBuffer_fx,          /* i  : real values                 Qx*/

    Word32 **imagBuffer_fx,          /* i  : imag values                 Qx*/

    Word32 *timeOut_fx,              /* o  : output time domain samples  Qx - 1*/

    const Word16 samplesToProcess,   /* i  : number of processed samples */

    const Word16 shift,              /* i  : number of processed samples */

    HANDLE_CLDFB_FILTER_BANK h_cldfb /* i  : filter bank state           */

)

{

    Word16 i;

    Word16 k;

    Word16 L2;

    Word16 M1;

    Word16 M2;

    Word16 M41;

    Word16 M42;

    Word16 Mz;



    Word32 rBuffer_fx[2 * CLDFB_NO_CHANNELS_MAX];

    Word32 iBuffer_fx[2 * CLDFB_NO_CHANNELS_MAX];

    const Word32 *rot_vctr_re_fx;

    const Word32 *rot_vctr_im_fx;

    const Word32 *rot_vctr_delay_re_fx;

    const Word32 *rot_vctr_delay_im_fx;

    Word32 rr12_fx, ir12_fx;

    Word32 ri12_fx, ii12_fx;



    Word32 *synthesisBuffer_fx, buffer_fx[( CLDFB_NO_CHANNELS_MAX * CLDFB_NO_COL_MAX ) + ( 10 * CLDFB_NO_CHANNELS_MAX )];

    Word32 new_samples_fx[2 * CLDFB_NO_CHANNELS_MAX];



    Word32 *ptr_time_out_fx;

    const Word16 *p_filter;

    Word16 p_filter_sf;



    Word32 accu0, accu1, accu2, accu3, accu4;

    Word16 no_col = h_cldfb->no_col;

    move16();



    M1 = h_cldfb->no_channels;

    move16();

    L2 = shl( M1, 1 );

    M2 = shr( M1, 1 );

    M41 = shr( M2, 1 );

    M42 = sub( M2, M41 );

    Mz = sub( M1, h_cldfb->bandsToZero );



    /* only process needed cols */

    IF( GT_16( samplesToProcess, -1 ) )

    {

        no_col = s_min( no_col, idiv1616( sub( add( samplesToProcess, h_cldfb->no_channels ), 1 ), h_cldfb->no_channels ) );

        move16();

    }



    rot_vctr_re_fx = h_cldfb->rot_vec_syn_re_fx;

    rot_vctr_im_fx = h_cldfb->rot_vec_syn_im_fx;



    rot_vctr_delay_re_fx = h_cldfb->rot_vec_syn_delay_re_fx;

    rot_vctr_delay_im_fx = h_cldfb->rot_vec_syn_delay_im_fx;



    synthesisBuffer_fx = buffer_fx;

    Copy32( h_cldfb->cldfb_state_fx, synthesisBuffer_fx + i_mult( M1, no_col ), h_cldfb->p_filter_length );



    p_filter = h_cldfb->p_filter;

    p_filter_sf = h_cldfb->p_filter_sf; // Q14

    move16();

    ptr_time_out_fx = timeOut_fx;



    /*synthesisBuffer += M1 * h_cldfb->no_col;*/

    synthesisBuffer_fx += i_mult( M1, no_col );



    FOR( k = 0; k < no_col; k++ )

    {

        IF( EQ_16( h_cldfb->prototype, CLDFB_PROTOTYPE_5_00MS ) )

        {

            /* rotation due to delay*/

            /*if(h_cldfb->ds != M1)*/

            IF( rot_vctr_delay_re_fx != NULL )

            {

                FOR( i = 0; i < M1; i++ )

                {

                    Word32 cplx_aux;

                    /* delay */

                    /*cplxMult(&rBuffer[i], &iBuffer[i], realBuffer[k][i], imagBuffer[k][i], cos((EVS_PI/M1)*(i+0.5)*(-(h_cldfb->ds-M1)*0.5)),

                            sin((EVS_PI/M1)*(i+0.5)*(-(h_cldfb->ds-M1)*0.5)));*/

                    /*cplxMult(&rBuffer[i], &iBuffer[i], realBuffer[k][i], imagBuffer[k][i], rot_vctr_delay_re[i], rot_vctr_delay_im[i]);*/

                    /*cplxMult(&realBuffer[k][i], &imagBuffer[k][i], realBuffer[k][i], imagBuffer[k][i], rot_vctr_delay_re[i], rot_vctr_delay_im[i]);*/

                    cplx_aux = Msub_32_32( Mpy_32_32( realBuffer_fx[k][i], rot_vctr_delay_re_fx[i] ), imagBuffer_fx[k][i], rot_vctr_delay_im_fx[i] ); // Qx

                    imagBuffer_fx[k][i] = Madd_32_32( Mpy_32_32( realBuffer_fx[k][i], rot_vctr_delay_im_fx[i] ), imagBuffer_fx[k][i], rot_vctr_delay_re_fx[i] );

                    move32();

                    realBuffer_fx[k][i] = cplx_aux;

                    move32();

                    /*realBuffer[k][i] = rBuffer[i];*/

                    /*imagBuffer[k][i] = iBuffer[i];*/

                }

            }

        }

        FOR( i = Mz; i < M1; i++ )

        {

            realBuffer_fx[k][i] = 0;

            move32();

            imagBuffer_fx[k][i] = 0;

            move32();

        }



        FOR( i = 0; i < M2; i++ )

        {

            /* pre modulation of DST IV */

            /*cplxMult(&rBuffer[2*i], &rBuffer[2*i+1], realBuffer[k][2*i], realBuffer[k][M1-1-2*i], rot_vctr_re[i], rot_vctr_im[i]);*/

            rBuffer_fx[2 * i] = Msub_32_32( Mpy_32_32( realBuffer_fx[k][2 * i], rot_vctr_re_fx[i] ), realBuffer_fx[k][( M1 - 1 ) - ( i * 2 )], rot_vctr_im_fx[i] ); // Qx

            move32();

            rBuffer_fx[2 * i + 1] = Madd_32_32( Mpy_32_32( realBuffer_fx[k][2 * i], rot_vctr_im_fx[i] ), realBuffer_fx[k][( M1 - 1 ) - ( i * 2 )], rot_vctr_re_fx[i] ); // Qx

            move32();



            /* pre modulation of DCT IV */

            /*cplxMult(&iBuffer[2*i], &iBuffer[2*i+1],-imagBuffer[k][2*i], imagBuffer[k][M1-1-2*i], rot_vctr_re[i], rot_vctr_im[i]);*/

            iBuffer_fx[2 * i] = Msub_32_32( Mpy_32_32( ( L_negate( imagBuffer_fx[k][2 * i] ) ), rot_vctr_re_fx[i] ), imagBuffer_fx[k][( M1 - 1 ) - ( i * 2 )], rot_vctr_im_fx[i] ); // Qx

            move32();

            iBuffer_fx[2 * i + 1] = Msub_32_32( Mpy_32_32( imagBuffer_fx[k][( M1 - 1 ) - ( i * 2 )], rot_vctr_re_fx[i] ), imagBuffer_fx[k][2 * i], rot_vctr_im_fx[i] ); // Qx

            move32();

        }



        /* FFT of DST IV */

        fft_cldfb_fx( rBuffer_fx, M2 );



        /* FFT of DCT IV */

        fft_cldfb_fx( iBuffer_fx, M2 );



        /* folding */

        FOR( i = 0; i < M41; i++ )

        {

            /* post modulation of DST IV */

            rr12_fx = Msub_32_32( Mpy_32_32( rBuffer_fx[( M1 - 2 ) - ( i * 2 )], rot_vctr_re_fx[( M2 - 1 ) - i] ), rBuffer_fx[( M1 - 1 ) - ( i * 2 )], rot_vctr_im_fx[( M2 - 1 ) - i] ); // Qx

            ri12_fx = Madd_32_32( Mpy_32_32( rBuffer_fx[( M1 - 2 ) - ( i * 2 )], rot_vctr_im_fx[( M2 - 1 ) - i] ), rBuffer_fx[( M1 - 1 ) - ( i * 2 )], rot_vctr_re_fx[( M2 - 1 ) - i] ); // Qx



            /* post modulation of DCT IV */

            ir12_fx = Msub_32_32( Mpy_32_32( iBuffer_fx[( M1 - 2 ) - ( i * 2 )], rot_vctr_re_fx[( M2 - 1 ) - i] ), iBuffer_fx[( M1 - 1 ) - ( i * 2 )], rot_vctr_im_fx[( M2 - 1 ) - i] ); // Qx

            ii12_fx = Madd_32_32( Mpy_32_32( iBuffer_fx[( M1 - 2 ) - ( i * 2 )], rot_vctr_im_fx[( M2 - 1 ) - i] ), iBuffer_fx[( M1 - 1 ) - ( i * 2 )], rot_vctr_re_fx[( M2 - 1 ) - i] ); // Qx



            new_samples_fx[M1 + M2 + 1 + 2 * i] = L_negate( L_add( rr12_fx, ii12_fx ) ); // Qx

            move32();

            new_samples_fx[M2 - 2 - 2 * i] = L_negate( L_add( ri12_fx, ir12_fx ) ); // Qx

            move32();



            new_samples_fx[M1 + M2 - 2 - 2 * i] = L_sub( rr12_fx, ii12_fx ); // Qx

            move32();

            new_samples_fx[M2 + 1 + 2 * i] = L_sub( ir12_fx, ri12_fx ); // Qx

            move32();

        }



        FOR( i = 0; i < M42; i++ )

        {

            /* post modulation of DST IV */

            rr12_fx = Msub_32_32( Mpy_32_32( rBuffer_fx[2 * i], rot_vctr_re_fx[i] ), rBuffer_fx[2 * i + 1], rot_vctr_im_fx[i] ); // Qx

            ri12_fx = Madd_32_32( Mpy_32_32( rBuffer_fx[2 * i], rot_vctr_im_fx[i] ), rBuffer_fx[2 * i + 1], rot_vctr_re_fx[i] ); // Qx



            /* post modulation of DCT IV */

            ir12_fx = Msub_32_32( Mpy_32_32( iBuffer_fx[2 * i], rot_vctr_re_fx[i] ), iBuffer_fx[2 * i + 1], rot_vctr_im_fx[i] ); // Qx

            ii12_fx = Madd_32_32( Mpy_32_32( iBuffer_fx[2 * i], rot_vctr_im_fx[i] ), iBuffer_fx[2 * i + 1], rot_vctr_re_fx[i] ); // Qx



            new_samples_fx[M1 + M2 + 2 * i] = L_add( ri12_fx, ir12_fx ); // Qx

            move32();

            new_samples_fx[M2 - 1 - 2 * i] = L_add( rr12_fx, ii12_fx ); // Qx

            move32();



            new_samples_fx[M1 + M2 - 1 - 2 * i] = L_sub( ir12_fx, ri12_fx ); // Qx

            move32();

            new_samples_fx[M2 + 2 * i] = L_sub( rr12_fx, ii12_fx ); // Qx

            move32();

        }



        /* synthesis prototype filter */

        FOR( i = 0; i < L2; i++ )

        {

            Word32 prod = L_shl_sat( Mpy_32_16_1( new_samples_fx[L2 - 1 - i], p_filter_sf ), shift );

            accu0 = Madd_32_16( synthesisBuffer_fx[i], prod, p_filter[i] );                       // Qx - 1

            accu1 = Madd_32_16( synthesisBuffer_fx[1 * L2 + i], prod, p_filter[( 1 * L2 + i )] ); // Qx - 1

            accu2 = Madd_32_16( synthesisBuffer_fx[2 * L2 + i], prod, p_filter[( 2 * L2 + i )] ); // Qx - 1

            accu3 = Madd_32_16( synthesisBuffer_fx[3 * L2 + i], prod, p_filter[( 3 * L2 + i )] ); // Qx - 1

            accu4 = Madd_32_16( synthesisBuffer_fx[4 * L2 + i], prod, p_filter[( 4 * L2 + i )] ); // Qx - 1



            synthesisBuffer_fx[i] = accu0;

            move32();

            synthesisBuffer_fx[1 * L2 + i] = accu1;

            move32();

            synthesisBuffer_fx[2 * L2 + i] = accu2;

            move32();

            synthesisBuffer_fx[3 * L2 + i] = accu3;

            move32();

            synthesisBuffer_fx[4 * L2 + i] = accu4;

            move32();

        }



        FOR( i = 0; i < M1; i++ )

        {

            ptr_time_out_fx[( M1 - 1 ) - i] = synthesisBuffer_fx[4 * L2 + M1 + i];

            move32();

        }



        ptr_time_out_fx += M1;



        synthesisBuffer_fx -= M1;



        set32_fx( synthesisBuffer_fx, 0, M1 );

    }



    /* update memory */

    Copy32( buffer_fx, h_cldfb->cldfb_state_fx, h_cldfb->p_filter_length );



    return;

}



void cldfbSynthesis_ivas_fx_3(

    Word32 **realBuffer_fx,          /* i  : real values                 Qx*/

    Word32 **imagBuffer_fx,          /* i  : imag values                 Qx*/

    Word32 *timeOut_fx,              /* o  : output time domain samples  Qx - 1*/

    const Word16 samplesToProcess,   /* i  : number of processed samples */

    const Word16 shift,              /* i  : number of processed samples */

    const Word16 out_shift,          /* i  : number of processed samples */

    HANDLE_CLDFB_FILTER_BANK h_cldfb /* i  : filter bank state           */

)

{

    Word16 i;

    Word16 k;

    Word16 L2;

    Word16 M1;

    Word16 M2;

    Word16 M41;

    Word16 M42;

    Word16 Mz;



    Word32 rBuffer_fx[2 * CLDFB_NO_CHANNELS_MAX];

    Word32 iBuffer_fx[2 * CLDFB_NO_CHANNELS_MAX];

    const Word32 *rot_vctr_re_fx;

    const Word32 *rot_vctr_im_fx;

    const Word32 *rot_vctr_delay_re_fx;

    const Word32 *rot_vctr_delay_im_fx;

    Word32 rr12_fx, ir12_fx;

    Word32 ri12_fx, ii12_fx;



    Word32 *synthesisBuffer_fx, buffer_fx[( CLDFB_NO_CHANNELS_MAX * CLDFB_NO_COL_MAX ) + ( 10 * CLDFB_NO_CHANNELS_MAX )];

    Word32 new_samples_fx[2 * CLDFB_NO_CHANNELS_MAX];



    Word32 *ptr_time_out_fx;

    const Word16 *p_filter;

    Word16 p_filter_sf;



    Word32 accu0, accu1, accu2, accu3, accu4;

    Word16 no_col = h_cldfb->no_col;

    move16();



    M1 = h_cldfb->no_channels;

    move16();

    L2 = shl( M1, 1 );

    M2 = shr( M1, 1 );

    M41 = shr( M2, 1 );

    M42 = sub( M2, M41 );

    Mz = sub( M1, h_cldfb->bandsToZero );



    /* only process needed cols */

    IF( GT_16( samplesToProcess, -1 ) )

    {

        no_col = s_min( no_col, idiv1616( sub( add( samplesToProcess, h_cldfb->no_channels ), 1 ), h_cldfb->no_channels ) );

        move16();

    }



    rot_vctr_re_fx = h_cldfb->rot_vec_syn_re_fx;

    rot_vctr_im_fx = h_cldfb->rot_vec_syn_im_fx;



    rot_vctr_delay_re_fx = h_cldfb->rot_vec_syn_delay_re_fx;

    rot_vctr_delay_im_fx = h_cldfb->rot_vec_syn_delay_im_fx;



    synthesisBuffer_fx = buffer_fx;

    Copy32( h_cldfb->cldfb_state_fx, synthesisBuffer_fx + i_mult( M1, no_col ), h_cldfb->p_filter_length );



    p_filter = h_cldfb->p_filter;

    p_filter_sf = h_cldfb->p_filter_sf; // Q14

    move16();

    ptr_time_out_fx = timeOut_fx;



    /*synthesisBuffer += M1 * h_cldfb->no_col;*/

    synthesisBuffer_fx += i_mult( M1, no_col );



    FOR( k = 0; k < no_col; k++ )

    {

        IF( EQ_16( h_cldfb->prototype, CLDFB_PROTOTYPE_5_00MS ) )

        {

            /* rotation due to delay*/

            /*if(h_cldfb->ds != M1)*/

            IF( rot_vctr_delay_re_fx != NULL )

            {

                FOR( i = 0; i < M1; i++ )

                {

                    Word32 cplx_aux;

                    /* delay */

                    /*cplxMult(&rBuffer[i], &iBuffer[i], realBuffer[k][i], imagBuffer[k][i], cos((EVS_PI/M1)*(i+0.5)*(-(h_cldfb->ds-M1)*0.5)),

                            sin((EVS_PI/M1)*(i+0.5)*(-(h_cldfb->ds-M1)*0.5)));*/

                    /*cplxMult(&rBuffer[i], &iBuffer[i], realBuffer[k][i], imagBuffer[k][i], rot_vctr_delay_re[i], rot_vctr_delay_im[i]);*/

                    /*cplxMult(&realBuffer[k][i], &imagBuffer[k][i], realBuffer[k][i], imagBuffer[k][i], rot_vctr_delay_re[i], rot_vctr_delay_im[i]);*/

                    cplx_aux = Msub_32_32( Mpy_32_32( realBuffer_fx[k][i], rot_vctr_delay_re_fx[i] ), imagBuffer_fx[k][i], rot_vctr_delay_im_fx[i] ); // Qx

                    imagBuffer_fx[k][i] = Madd_32_32( Mpy_32_32( realBuffer_fx[k][i], rot_vctr_delay_im_fx[i] ), imagBuffer_fx[k][i], rot_vctr_delay_re_fx[i] );

                    move32();

                    realBuffer_fx[k][i] = cplx_aux;

                    move32();

                    /*realBuffer[k][i] = rBuffer[i];*/

                    /*imagBuffer[k][i] = iBuffer[i];*/

                }

            }

        }

        FOR( i = Mz; i < M1; i++ )

        {

            realBuffer_fx[k][i] = 0;

            move32();

            imagBuffer_fx[k][i] = 0;

            move32();

        }



        FOR( i = 0; i < M2; i++ )

        {

            /* pre modulation of DST IV */

            /*cplxMult(&rBuffer[2*i], &rBuffer[2*i+1], realBuffer[k][2*i], realBuffer[k][M1-1-2*i], rot_vctr_re[i], rot_vctr_im[i]);*/

            rBuffer_fx[2 * i] = Msub_32_32( Mpy_32_32( realBuffer_fx[k][2 * i], rot_vctr_re_fx[i] ), realBuffer_fx[k][( M1 - 1 ) - ( i * 2 )], rot_vctr_im_fx[i] ); // Qx

            move32();

            rBuffer_fx[2 * i + 1] = Madd_32_32( Mpy_32_32( realBuffer_fx[k][2 * i], rot_vctr_im_fx[i] ), realBuffer_fx[k][( M1 - 1 ) - ( i * 2 )], rot_vctr_re_fx[i] ); // Qx

            move32();



            /* pre modulation of DCT IV */

            /*cplxMult(&iBuffer[2*i], &iBuffer[2*i+1],-imagBuffer[k][2*i], imagBuffer[k][M1-1-2*i], rot_vctr_re[i], rot_vctr_im[i]);*/

            iBuffer_fx[2 * i] = Msub_32_32( Mpy_32_32( ( L_negate( imagBuffer_fx[k][2 * i] ) ), rot_vctr_re_fx[i] ), imagBuffer_fx[k][( M1 - 1 ) - ( i * 2 )], rot_vctr_im_fx[i] ); // Qx

            move32();

            iBuffer_fx[2 * i + 1] = Msub_32_32( Mpy_32_32( imagBuffer_fx[k][( M1 - 1 ) - ( i * 2 )], rot_vctr_re_fx[i] ), imagBuffer_fx[k][2 * i], rot_vctr_im_fx[i] ); // Qx

            move32();

        }



        /* FFT of DST IV */

        fft_cldfb_fx( rBuffer_fx, M2 );



        /* FFT of DCT IV */

        fft_cldfb_fx( iBuffer_fx, M2 );



        /* folding */

        FOR( i = 0; i < M41; i++ )

        {

            /* post modulation of DST IV */

            rr12_fx = Msub_32_32( Mpy_32_32( rBuffer_fx[( M1 - 2 ) - ( i * 2 )], rot_vctr_re_fx[( M2 - 1 ) - i] ), rBuffer_fx[( M1 - 1 ) - ( i * 2 )], rot_vctr_im_fx[( M2 - 1 ) - i] ); // Qx

            ri12_fx = Madd_32_32( Mpy_32_32( rBuffer_fx[( M1 - 2 ) - ( i * 2 )], rot_vctr_im_fx[( M2 - 1 ) - i] ), rBuffer_fx[( M1 - 1 ) - ( i * 2 )], rot_vctr_re_fx[( M2 - 1 ) - i] ); // Qx



            /* post modulation of DCT IV */

            ir12_fx = Msub_32_32( Mpy_32_32( iBuffer_fx[( M1 - 2 ) - ( i * 2 )], rot_vctr_re_fx[( M2 - 1 ) - i] ), iBuffer_fx[( M1 - 1 ) - ( i * 2 )], rot_vctr_im_fx[( M2 - 1 ) - i] ); // Qx

            ii12_fx = Madd_32_32( Mpy_32_32( iBuffer_fx[( M1 - 2 ) - ( i * 2 )], rot_vctr_im_fx[( M2 - 1 ) - i] ), iBuffer_fx[( M1 - 1 ) - ( i * 2 )], rot_vctr_re_fx[( M2 - 1 ) - i] ); // Qx



            new_samples_fx[M1 + M2 + 1 + 2 * i] = L_negate( L_add( rr12_fx, ii12_fx ) ); // Qx

            move32();

            new_samples_fx[M2 - 2 - 2 * i] = L_negate( L_add( ri12_fx, ir12_fx ) ); // Qx

            move32();



            new_samples_fx[M1 + M2 - 2 - 2 * i] = L_sub( rr12_fx, ii12_fx ); // Qx

            move32();

            new_samples_fx[M2 + 1 + 2 * i] = L_sub( ir12_fx, ri12_fx ); // Qx

            move32();

        }



        FOR( i = 0; i < M42; i++ )

        {

            /* post modulation of DST IV */

            rr12_fx = Msub_32_32( Mpy_32_32( rBuffer_fx[2 * i], rot_vctr_re_fx[i] ), rBuffer_fx[2 * i + 1], rot_vctr_im_fx[i] ); // Qx

            ri12_fx = Madd_32_32( Mpy_32_32( rBuffer_fx[2 * i], rot_vctr_im_fx[i] ), rBuffer_fx[2 * i + 1], rot_vctr_re_fx[i] ); // Qx



            /* post modulation of DCT IV */

            ir12_fx = Msub_32_32( Mpy_32_32( iBuffer_fx[2 * i], rot_vctr_re_fx[i] ), iBuffer_fx[2 * i + 1], rot_vctr_im_fx[i] ); // Qx

            ii12_fx = Madd_32_32( Mpy_32_32( iBuffer_fx[2 * i], rot_vctr_im_fx[i] ), iBuffer_fx[2 * i + 1], rot_vctr_re_fx[i] ); // Qx



            new_samples_fx[M1 + M2 + 2 * i] = L_add( ri12_fx, ir12_fx ); // Qx

            move32();

            new_samples_fx[M2 - 1 - 2 * i] = L_add( rr12_fx, ii12_fx ); // Qx

            move32();



            new_samples_fx[M1 + M2 - 1 - 2 * i] = L_sub( ir12_fx, ri12_fx ); // Qx

            move32();

            new_samples_fx[M2 + 2 * i] = L_sub( rr12_fx, ii12_fx ); // Qx

            move32();

        }



        /* synthesis prototype filter */

        FOR( i = 0; i < L2; i++ )

        {

            Word32 prod = L_shl_sat( Mpy_32_16_1( new_samples_fx[L2 - 1 - i], p_filter_sf ), shift );

            accu0 = Madd_32_16( synthesisBuffer_fx[i], prod, p_filter[i] );                       // Qx - 1

            accu1 = Madd_32_16( synthesisBuffer_fx[1 * L2 + i], prod, p_filter[( 1 * L2 + i )] ); // Qx - 1

            accu2 = Madd_32_16( synthesisBuffer_fx[2 * L2 + i], prod, p_filter[( 2 * L2 + i )] ); // Qx - 1

            accu3 = Madd_32_16( synthesisBuffer_fx[3 * L2 + i], prod, p_filter[( 3 * L2 + i )] ); // Qx - 1

            accu4 = Madd_32_16( synthesisBuffer_fx[4 * L2 + i], prod, p_filter[( 4 * L2 + i )] ); // Qx - 1



            synthesisBuffer_fx[i] = accu0;

            move32();

            synthesisBuffer_fx[1 * L2 + i] = accu1;

            move32();

            synthesisBuffer_fx[2 * L2 + i] = accu2;

            move32();

            synthesisBuffer_fx[3 * L2 + i] = accu3;

            move32();

            synthesisBuffer_fx[4 * L2 + i] = accu4;

            move32();

        }



        FOR( i = 0; i < M1; i++ )

        {

            ptr_time_out_fx[( M1 - 1 ) - i] = L_shl_sat( synthesisBuffer_fx[4 * L2 + M1 + i], out_shift );

            move32();

        }



        ptr_time_out_fx += M1;



        synthesisBuffer_fx -= M1;



        set32_fx( synthesisBuffer_fx, 0, M1 );

    }



    /* update memory */

    Copy32( buffer_fx, h_cldfb->cldfb_state_fx, h_cldfb->p_filter_length );



    return;

}





void configureCldfb_ivas_enc_fx(

    HANDLE_CLDFB_FILTER_BANK h_cldfb, /* i/o: filter bank handle        */

lib_com/ivas_prot_fx.h

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lib_com/prot_fx.h

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lib_dec/TonalComponentDetection_fx.c

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lib_dec/acelp_core_dec_ivas_fx.c

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