Commit c629edc3 authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
Browse files

Fix for issue 684 

[x] Increasing Synthesis_STFT_fx guard bits for crash issue
[x] get_next_index_4_by_15 table value supports Word16. Last entry
changed from 32768 to 32767.
[x] coherence_flt value updation logic changed.
parent cc30281b

lib_dec/fd_cng_dec.c

+1 −1
Original line number Diff line number Diff line
@@ -1244,7 +1244,7 @@ void generate_comfort_noise_dec_flt( 
    SynthesisSTFT_flt( fftBuffer, timeDomainOutput, hFdCngCom->olapBufferSynth_flt, hFdCngCom->olapWinSyn_flt, tcx_transition, hFdCngCom, st->element_mode, nchan_out );

#else

    Word32 fftBuffer_fx[FFTLEN], timeDomainBuffer_fx[L_FRAME16k];

    Word16 exp = Q15;

    Word16 exp = Q14;

    for ( i = 0; i < hFdCngCom->fftlen; i++ )

    {

        fftBuffer_fx[i] = float_to_fix( fftBuffer[i], exp );

lib_dec/ivas_decision_matrix_dec.c

+2 −2
Original line number Diff line number Diff line
@@ -50,7 +50,7 @@ 
#ifdef IVAS_FLOAT_FIXED

static Word16 get_next_index_4_by_15[16] =

{

    0, 2184, 4369, 6553, 8738, 10922, 13107, 15291, 17476, 19660, 21845, 24029, 26214, 28398, 30583, 32768

    0, 2184, 4369, 6553, 8738, 10922, 13107, 15291, 17476, 19660, 21845, 24029, 26214, 28398, 30583, 32767

};

#endif
@@ -547,7 +547,7 @@ void ivas_decision_matrix_dec_fx( 
            st->hFdCngDec->hFdCngCom->coherence_fx = get_next_index_4_by_15[index];



            /* TODO: remove floating point dependency */

            st->hFdCngDec->hFdCngCom->coherence_flt = get_next_index_4_by_15[index] / ( 1 << 15 );

            st->hFdCngDec->hFdCngCom->coherence_flt = ( (float) get_next_index_4_by_15[index] ) / ( ( 1 << 15 ) - 1 );



            /* read flag for no side noise shape */

            st->hFdCngDec->hFdCngCom->no_side_flag = get_next_indice( st, 1 );