Commit f34818ef authored by Jan Kiene's avatar Jan Kiene
Browse files

Merge branch '1550_ref_igf_usan_fixes' into 'float-pc' 

Port MR 1344 from float to float-pc

See merge request !1521
parents 6ee395e2 3bb4486a

lib_com/options.h

+1 −1
Original line number Diff line number Diff line
@@ -186,9 +186,9 @@ 
#define FIX_955_FASTCONV_REND_IN_ISM                    /* VA: put FastConv rendering call under DEBUGGING */

#define NONBE_FIX_967_ISM_MONO_DMX                            /* FhG: issue 967: accumulating energies in ISM mono DMX */

#define NONBE_FIX_968_ISM_BRIR_WITH_HEADROTATION_5MS_FIX      /* FhG : issue #968: differences between 5ms and 20ms rendering for discrete ISM with BRIR and head rotation*/

#define FIX_969_USAN_IGF_ARITH                          /* FhG: issue 969: fix USAN error in igf_sce_dec; same issue as #962 */

#define FIX_959_MASA_LINEAR_REND                        /* VA: issue 959: remove unused calling of ivas_sba_linear_renderer() in MASA rendering */





/* #################### End BASOP porting switches ############################ */



/* clang-format on */

lib_dec/igf_scf_dec.c

+10 −0
Original line number Diff line number Diff line
@@ -211,7 +211,12 @@ static void decode_sfe_vector( 
       |    c b

       |      e  --> t

    */

#ifdef FIX_969_USAN_IGF_ARITH

    int16_t pred;

    uint16_t pred_tmp;

#else

    uint16_t pred;

#endif

    int16_t f, ctx, ctx_f, ctx_t;



    for ( f = 0; f < length; f++ )
@@ -221,7 +226,12 @@ static void decode_sfe_vector( 
            if ( f == 0 )

            {

                /* decode one of the IGF_SYMBOLS_IN_TABLE == 27 alphabet symbols using the new raw AC function */

#ifdef FIX_969_USAN_IGF_ARITH

                ari_decode_14bits_s27_ext( st, &pred_tmp, &hPrivateData->acState, hPrivateData->cf_se00 );

                pred = (int16_t) pred_tmp;

#else

                ari_decode_14bits_s27_ext( st, &pred, &hPrivateData->acState, hPrivateData->cf_se00 );

#endif

                x[f] = pred << 2;

                x[f] += arith_decode_bits( &hPrivateData->acState, st, 2 ); /* LSBs as 2 bit raw */

            }