Commit 2020b81a authored by PLAINSI's avatar PLAINSI
Browse files

Fix #468 for 16kHz ParamUpmix

parent a2bcdd0a

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -198,6 +198,7 @@ 


#define MC_PARAMUPMIX_MODE                              /* Dlb: Contribution 39: Multichannel Parametric Upmix */

#define FIX_469_BRSWITCH_PUPMIX                         /* Dlb: Fix issue 469 for Param Upmix bitrate switching */

#define FIX_468_16KHZ_PUPMIX                            /* Dlb: Fix issue 468 for Param Upmix at 16kHz sampling rate */



#define HODIRAC                                         /* FhG: Contribution 32: Sector-based HO-DirAC method for SBA at high bitrates */

#define DIRAC_ALLOC_HARM                                /* VA: harmonize DirAC parameters allocation/deallocation */

lib_enc/ivas_mc_paramupmix_enc.c

+24 −2
Original line number Diff line number Diff line
@@ -734,6 +734,9 @@ static void ivas_mc_paramupmix_param_est_enc( 


    int16_t l_ts;

    int16_t b, i, j, ts, bnd;

#ifdef FIX_468_16KHZ_PUPMIX

    int16_t maxbands;

#endif



    int16_t transient_det[MC_PARAMUPMIX_COMBINATIONS][2];

    int16_t transient_det_l[2], transient_det_r[2];
@@ -823,11 +826,18 @@ static void ivas_mc_paramupmix_param_est_enc( 
        ivas_enc_cov_handler_process( hMCParamUpmix->hCovEnc[b], pp_in_fr_real, pp_in_fr_imag, cov_real, cov_dtx_real, hMCParamUpmix->hFbMixer->pFb, 0, hMCParamUpmix->hFbMixer->pFb->filterbank_num_bands, MC_PARAMUPMIX_NCH, 0 /*dtx_vad*/, transient_det[b] );

#endif

    }



#ifdef FIX_468_16KHZ_PUPMIX

    maxbands = hMCParamUpmix->hFbMixer->pFb->filterbank_num_bands;

    for ( b = 0; b < MC_PARAMUPMIX_COMBINATIONS; b++ )

    {

        for ( bnd = 0; bnd < maxbands; bnd++ )

        {

#else

    for ( b = 0; b < MC_PARAMUPMIX_COMBINATIONS; b++ )

    {

        for ( bnd = 0; bnd < IVAS_MAX_NUM_BANDS; bnd++ )

        {

#endif

            rxy = hMCParamUpmix->cov_real[b][1][0][bnd];

            ryy = hMCParamUpmix->cov_real[b][1][1][bnd];

            cmat = rxy / ( ryy + EPSILON );
@@ -841,7 +851,19 @@ static void ivas_mc_paramupmix_param_est_enc( 
            betas[b][bnd] = (float) 2.0 * wetaux;

        }

    }



#ifdef FIX_468_16KHZ_PUPMIX

    if ( maxbands < IVAS_MAX_NUM_BANDS )

    {

        for ( b = 0; b < MC_PARAMUPMIX_COMBINATIONS; b++ )

        {

            for ( bnd = maxbands; bnd < IVAS_MAX_NUM_BANDS; bnd++ )

            {

                alphas[b][bnd] = 0.0;

                betas[b][bnd] = 0.0;

            }

        }

    }

#endif

    return;

}