Issue #867 : use 2 scale regions for reference_power vectors to improve...

#define L_HP20_MEM                          4                      /* HP20 filter memory length */

#define CLDFB_NO_CHANNELS_MAX               60                     /* CLDFB resampling - max number of CLDFB channels, == IVAS_CLDFB_NO_CHANNELS_MAX */

#ifdef FIX_867_CLDFB_NRG_SCALE

#define CLDFB_NO_CHANNELS_HALF              30                     /* CLDFB resampling - max number of CLDFB channels, == IVAS_CLDFB_NO_CHANNELS_MAX */

#endif

#define CLDFB_NO_CHANNELS_MAX_FX            30720                  /*Q9*/ 

#define CLDFB_NO_COL_MAX                    16                     /* CLDFB resampling - max number of CLDFB col., == IVAS_CLDFB_NO_COL_MAX */

#define CLDFB_NO_COL_MAX_SWITCH             6                      /* CLDFB resampling - max number of CLDFB col. for switching */

#define FIX_1298                                /* VA: fix possible assert in gaus_enc */

#define FIX_1300_ICA_SHIFT_QUANT_IMPROV         /* VA: Fix to 1300 to improve precision of the lag quantizer */

#define FIX_1301_CORRECT_TD_CNST                /* VA: Fix 1301, correct wrong constant in TD stereo */

#define FIX_867_CLDFB_NRG_SCALE                 /* Issue 867: split cldfb energy scale into 2 regions for better precision */

//#define FIX_867_CLDFB_NRG_SCALE_CLDFB           /* Issue 867: use dynamic scale for CLDFB analysis. Almost zero improvement. */

//#define FIX_867_CLDFB_NRG_SCALE_CLDFB_MASK      /* Issue 867: erase higher cldfb values to remove noise from MDCT */

#endif