Commit d1ea23bf authored by Jiaquan Huo's avatar Jiaquan Huo
Browse files

further code cleanup

parent cc42669c

lib_dec/ivas_lfe_plc.c

+16 −6
Original line number Diff line number Diff line
@@ -96,6 +96,7 @@ static int16_t lfeplc_lev_dur( 
    err = r[0] + r[1] * rc[0];



    memcpy(a_out, a, sizeof(a));

    memset(epsP, 0, sizeof(*epsP) * LFE_PLC_LPCORD);



    if ( epsP != NULL )

    {
@@ -112,7 +113,7 @@ static int16_t lfeplc_lev_dur( 
        }



        rc[i - 1] = ( -s ) / err;

        if ( fabs( rc[i - 1] ) > 0.99945f )

        if ( fabsf( rc[i - 1] ) > 0.99945f )

        {

            flag = 1; /* Test for unstable filter. If unstable keep old A(z) */

            return flag;
@@ -283,22 +284,22 @@ static float find_max_delta( 


        if ( !stable )

        {

            if ( fabs( eps ) > EPS_STOP )

            if ( fabsf( eps ) > EPS_STOP )

            {

                eps = -fabs( eps ) * fac;

                eps = -fabsf( eps ) * fac;

            }

            else

            {

                eps = -fabs( eps );

                eps = -fabsf( eps );

            }

        }

        else

        {

            if ( fabs( eps ) < EPS_STOP )

            if ( fabsf( eps ) < EPS_STOP )

            {

                break;

            }

            eps = fabs( eps ) * fac;

            eps = fabsf( eps ) * fac;

        }

    }
@@ -341,11 +342,20 @@ static void recover_samples( 
        fac *= att;

    }



    printf("LPC filter coefs: %.10f", a[0]);

    for ( i = 1; i <= LFE_PLC_LPCORD; i++ )

    {

        a[i] = a[i] * fac;

        fac *= att * ( 1.0f + delta );

        printf(", %.10f", a[i]);

    }

    printf("\n");

    printf("Pred erros: %.10f", pee[0]);

    for ( i = 1; i <= LFE_PLC_LPCORD; i++ )

    {

        printf(", %.10f", pee[i]);

    }

    printf("\n");



    set_zero( zeroes, LFE_PLC_RECLEN );

    syn_filt( a, LFE_PLC_LPCORD, zeroes, rec_frame, LFE_PLC_RECLEN, outbuf + LFE_PLC_BUFLEN - LFE_PLC_LPCORD, 0 );