Commit 95e4d4d1 authored by vaclav's avatar vaclav
Browse files

fix issue 25: properly skip reading of TBE FB bits when decoder output... 

fix issue 25: properly skip reading of TBE FB bits when decoder output sampling rate is not 48 kHz; under FIX_I25_FBE_FB_BITS
parent dfc02cf0

lib_com/options.h

+1 −3
Original line number Diff line number Diff line
@@ -152,12 +152,10 @@ 
#define SBA_CLEANING                                    /* SBA maintenance related to ticket #45 */ 



#define DIRAC_DRCT_GAIN_TUNING



#define FIX_34                                          /* Nokia: Fix bug in MASA format EXT output spherical indexing */



#define FIX_I68_MC_REVERB_FOR_514                       /* Fix HRTF processing for Jot reverb in case of 5.1.4 input format */



#define FIX_I54_LS_CONVERSION                           /* FhG: fix incorrect downmix matrix for 5_1_4 to 5_1_2 and upmix matrix for 7_1 to 7_1_4 */

#define FIX_I25_FBE_FB_BITS                             /* issue 25: properly skip reading of TBE FB bits when decoder output sampling rate is not 48 kHz */



/* ################## End DEVELOPMENT switches ######################### */

/* clang-format on */

lib_com/prot.h

+5 −0
Original line number Diff line number Diff line
@@ -2777,6 +2777,11 @@ void fb_tbe_dec( 
    const float fb_exc[], /* i  : FB excitation from the SWB part         */

    float *hb_synth,      /* i/o: high-band synthesis                     */

    float *fb_synth_ref   /* o  : high-band synthesis 16-20 kHz           */

#ifdef FIX_I25_FBE_FB_BITS

    ,

    const int16_t output_frame /* i:  output frame length                      */

#endif



);



void calc_tilt_bwe(

lib_dec/evs_dec.c

+13 −5
Original line number Diff line number Diff line
@@ -319,7 +319,11 @@ ivas_error evs_dec( 
            /* FB TBE decoder */

            if ( output_frame == L_FRAME48k && st->extl == FB_TBE )

            {

#ifdef FIX_I25_FBE_FB_BITS

                fb_tbe_dec( st, fb_exc, hb_synth, NULL, L_FRAME48k );

#else

                fb_tbe_dec( st, fb_exc, hb_synth, NULL );

#endif

            }

        }

        else if ( st->extl == SWB_BWE || st->extl == FB_BWE || ( st->output_Fs >= 32000 && st->core == ACELP_CORE && st->bwidth > NB && st->bws_cnt > 0 && !st->ppp_mode_dec && !( st->nelp_mode_dec == 1 && st->bfi == 1 ) ) )
@@ -600,7 +604,11 @@ ivas_error evs_dec( 


                        if ( st->extl == FB_TBE && output_frame == L_FRAME48k )

                        {

#ifdef FIX_I25_FBE_FB_BITS

                            fb_tbe_dec( st, fb_exc, hb_synth, NULL, L_FRAME48k );

#else

                            fb_tbe_dec( st, fb_exc, hb_synth, NULL );

#endif

                        }

                    }

                    mvr2r( hb_synth, st->hBWE_TD->old_hb_synth, output_frame );

lib_dec/ivas_core_dec.c

+13 −6
Original line number Diff line number Diff line
@@ -531,10 +531,17 @@ ivas_error ivas_core_dec( 
            swb_tbe_dec( st, hStereoICBWE, bwe_exc_extended[n], voice_factors[n], old_syn_12k8_16k[n], tmp_buffer /*fb_exc*/, hb_synth[n], pitch_buf[n] );



            /* FB TBE decoder */

#ifdef FIX_I25_FBE_FB_BITS

            if ( st->extl == FB_TBE )

            {

                fb_tbe_dec( st, tmp_buffer /*fb_exc*/, hb_synth[n], tmp_buffer /*fb_synth_ref*/, output_frame );

            }

#else

            if ( output_frame == L_FRAME48k && st->extl == FB_TBE )

            {

                fb_tbe_dec( st, tmp_buffer /*fb_exc*/, hb_synth[n], tmp_buffer /*fb_synth_ref*/ );

            }

#endif

        }

        else if ( st->extl == SWB_BWE || st->extl == FB_BWE || ( output_Fs >= 32000 && st->core == ACELP_CORE && st->bwidth > NB && st->bws_cnt > 0 && !st->ppp_mode_dec && !( st->nelp_mode_dec == 1 && st->bfi == 1 ) ) )

        {

lib_dec/swb_tbe_dec.c

+32 −11
Original line number Diff line number Diff line
@@ -1977,6 +1977,10 @@ void fb_tbe_dec( 
    const float fb_exc[], /* i  : FB excitation from the SWB part */

    float *hb_synth,      /* o  : high-band synthesis             */

    float *fb_synth_ref   /* o  : high-band synthesis 16-20 kHz   */

#ifdef FIX_I25_FBE_FB_BITS

    ,

    const int16_t output_frame /* i:  output frame length              */

#endif

)

{

    int16_t i;
@@ -1986,6 +1990,10 @@ void fb_tbe_dec( 


    hBWE_TD = st->hBWE_TD;



#ifdef FIX_I25_FBE_FB_BITS

    if ( output_frame == L_FRAME48k )

    {

#endif

        /* decode FB slope information */

        if ( st->extl == FB_TBE && !st->bfi )

        {
@@ -2003,6 +2011,19 @@ void fb_tbe_dec( 
        {

            ratio = hBWE_TD->prev_fbbwe_ratio;

        }

#ifdef FIX_I25_FBE_FB_BITS

    }

    else

    {

        /* update the position in the bitstream - needed in IVAS */

        if ( !st->bfi )

        {

            st->next_bit_pos += NUM_BITS_FB_FRAMEGAIN;

        }



        return;

    }

#endif



    fb_exc_energy = sum2_f( fb_exc, L_FRAME16k );