Commit 03bd34bd authored by vaclav's avatar vaclav
Browse files

introduce FIX_1381_BWD

parent d3508f9d

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -102,6 +102,7 @@ 
#define FIX_2250_LARGE_DIFFERENCES_BETWEEN_BASOP_AND_FLOAT  /* Dolby: Issue 2250:  random vector generation in GenShapedSHBExcitation() */

#define FIX_2254_IMPROV_PRECISION_OR_COMPLEXITY_NON_BE  /* VA: Precision improvement without increasing complexity, or complexity reduction that might be not BE on the LSB */

#define FIX_2252_LP_CNG_STARTS_SID                      /* VA: issues 2251 and 2252: fix LP CNG uninitialized value in bitstream that starts with an SID */

#define FIX_1381_BWD                                    /* VA: issue 1381: apply no hysteresis in BWD at higher bitrates also in mono MASA and OMASA */



/* ##################### End NON-BE switches ########################### */

lib_enc/bw_detect_fx.c

+16 −4
Original line number Diff line number Diff line
@@ -16,7 +16,11 @@ 
/*-------------------------------------------------------------------*

 * Local constants

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



#define BWD_MIN_BRATE_WIDER_BW_MDCT IVAS_48k

#ifdef FIX_1381_BWD

#define BWD_MIN_BRATE_WIDER_BW_MASA IVAS_48k

#endif

#define BWD_MIN_BRATE_WIDER_BW_ISM  IVAS_32k

#define BWD_MAX_BRATE_WIDER_BW_MDCT IVAS_80k

#define BWD_MAX_BRATE_WIDER_BW_ISM  IVAS_64k
@@ -28,8 +32,6 @@ 
#define BWD_COUNT_WIDER_BW      10

#define BWD_COUNT_WIDER_BW_MDCT 0



#define BWD_N_BINS_MAX 13



#define CLDFB_ENER_OFFSET_FX 26214 /* 1.6 in Q14 */



/*-------------------------------------------------------------------*
@@ -75,12 +77,22 @@ void bw_detect_fx( 
    test();

    test();

    test();

#ifdef FIX_1381_BWD

    test();

    test();

#endif

    if ( st->ini_frame > 0 && ( ( EQ_16( st->element_mode, IVAS_CPE_MDCT ) && ( GE_32( st->element_brate, BWD_MIN_BRATE_WIDER_BW_MDCT ) || mct_on ) ) ||

#ifdef FIX_1381_BWD

                                ( st->is_ism_format && GE_32(st->element_brate , BWD_MIN_BRATE_WIDER_BW_ISM) ) ||

                                ( EQ_16(ivas_format , MASA_FORMAT) && GE_32(st->element_brate , BWD_MIN_BRATE_WIDER_BW_MASA )) ) )

#else

                                ( EQ_16( ivas_format, ISM_FORMAT ) && GE_32( st->element_brate, BWD_MIN_BRATE_WIDER_BW_ISM ) ) ) )

#endif

    {

        bwd_count_wider_bw = BWD_COUNT_WIDER_BW_MDCT;

        move16();

    }



    IF( GT_32( st->input_Fs, 8000 ) )

    {