Commit 25aa499a authored by Jan Kiene's avatar Jan Kiene
Browse files

Merge branch '603-lib_dec-ivas_spar_md_dec-c-remove-inactive-code-within-enable_dither' into 'main' 

Resolve "lib_dec/ivas_spar_md_dec.c: Remove inactive code within ENABLE_DITHER"

See merge request !824
parents 2af426d9 5c436bca

lib_dec/ivas_spar_md_dec.c

+1 −22
Original line number Diff line number Diff line
@@ -2873,9 +2873,6 @@ void ivas_spar_to_dirac( 
    float dvx[IVAS_MAX_NUM_BANDS], dvy[IVAS_MAX_NUM_BANDS], dvz[IVAS_MAX_NUM_BANDS];

    float radius;

    float en_ratio, res_pow;

#ifdef ENABLE_DITHER

    int16_t *seed_ptr;

#endif

    int16_t num_slots_in_subfr;

    int16_t tmp_write_idx_param_band;

    int16_t tmp_write_idx_band;
@@ -2898,9 +2895,6 @@ void ivas_spar_to_dirac( 
    if ( hDirAC != NULL && ivas_get_hodirac_flag( st_ivas->hDecoderConfig->ivas_total_brate, st_ivas->sba_analysis_order ) == 0 )

    {

        band_grouping = hDirAC->band_grouping;

#ifdef ENABLE_DITHER

        seed_ptr = &hDirAC->dithering_seed;

#endif

        num_slots_in_subfr = st_ivas->hDirAC->hConfig->dec_param_estim ? CLDFB_NO_COL_MAX / MAX_PARAM_SPATIAL_SUBFRAMES : 1;



        for ( band = start_band; band < end_band; band++ )
@@ -2975,17 +2969,10 @@ void ivas_spar_to_dirac( 


        for ( band = start_band; band < end_band; band++ )

        {

#ifdef ENABLE_DITHER

            int16_t diff_idx, azi_dith, ele_dith;

#else

            int16_t azi_dith, ele_dith;

#endif

            tmp_write_idx_param_band = hDirAC->spar_to_dirac_write_idx;



            en_ratio = 1.0f - diffuseness[band];

#ifdef ENABLE_DITHER

            diff_idx =

#endif

            masa_sq( 1.0f - en_ratio, diffuseness_thresholds, DIRAC_DIFFUSE_LEVELS );



            qmf_band_start = band_grouping[band];
@@ -3000,16 +2987,8 @@ void ivas_spar_to_dirac( 
                for ( b = qmf_band_start; b < qmf_band_end; b++ )

                {



#ifdef ENABLE_DITHER

                    azi_dith = (int16_t) ( azi[band] + rand_triangular_signed( seed_ptr ) * dirac_dithering_azi_scale[diff_idx] + 0.5f );

                    ele_dith = (int16_t) ( ele[band] + rand_triangular_signed( seed_ptr ) * dirac_dithering_ele_scale[diff_idx] + 0.5f );

                    /* limit the elevation to [-90, 90] */

                    ele_dith = min( 90, ele_dith );

                    ele_dith = max( -90, ele_dith );

#else

                    azi_dith = azi[band];

                    ele_dith = ele[band];

#endif



                    hDirAC->energy_ratio1[block][b] = en_ratio;

                    tmp_write_idx_band = tmp_write_idx_param_band;