Merge branch '1644_basop_port_fl1563' into 'main'

#define NONBE_FIX_991_PARAMBIN_BINARY_HRTF              /* Nokia: issue #991: fix using of binary file HRTF in ParamBin (to activate when USE_NEW_HRTF_BINARY_FILE_FORMAT and FIX_777_COMBI_RENDER_CONFIG_FILE are on ) */

#define NONBE_FIX_1091_PMC_LOW_SIGNAL_BURSTS            /* FhG: fix for #1091, fix limit calculation for the regularized inverse of Kx to avoid bursts in very low signals */

#define NONBE_FIX_1070_USAN_SEGFAULT_MC_TO_BIN_BTSW_HEADROT   /* fix 1070 USAN: nullptr-with-offset and Segfaults in 7_1_4 to BINAURAL and BINAURAL_ROOM_REVERB decoding with bitrate switching and head rotation*/ 

*******************************************************************************************************/

#include "basop_util.h"

#include "enh32.h"

#include <stdint.h>

#include <string.h>

#include <stdio.h>

#include "rom_dec.h"

#include "ivas_prot_fx.h"

#ifdef NONBE_FIX_1091_PMC_LOW_SIGNAL_BURSTS

/*-----------------------------------------------------------------------*

 * Local constants

 *-----------------------------------------------------------------------*/

#define SQRT_EPSILON_FX 68 /* Q31 square root of EPSILON */

#endif

/*-------------------------------------------------------------------*

 * ivas_dirac_dec_output_synthesis_cov_open()

    }

    limit_e = add( limit_e, reg_Sx_e );

#ifdef NONBE_FIX_1091_PMC_LOW_SIGNAL_BURSTS

    limit_fx = Mpy_32_32( limit_fx, reg_Sx_fx );

    IF( BASOP_Util_Cmp_Mant32Exp( limit_fx, limit_e, SQRT_EPSILON_FX /* Q31 */, 0 ) < 0 )

    {

        limit_fx = SQRT_EPSILON_FX;

        move32();

        limit_e = 0;

        move16();

    }

#else /* NONBE_FIX_1091_PMC_LOW_SIGNAL_BURSTS */

    limit_fx = Madd_32_32( EPSILON_FX, limit_fx, reg_Sx_fx );

#endif

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

    {