Commit beb1b00f authored by Nishant S Kulgod's avatar Nishant S Kulgod
Browse files

commit 1

parent 6ccfabfa

lib_com/cnst.h

+1 −0
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@@ -1536,6 +1536,7 @@ enum 
#define SHB_OVERLAP_LEN                     ( L_FRAME16k - L_SHB_LAHEAD ) / ( NUM_SHB_SUBFR - 1 )

#define QUANT_DIST_INIT                     ( 10000000000.0f )      /* Quantiser search distance initialisation */

#define HIBND_ACB_L_FAC                     5 / 2                   /* SHB Interpolation Factor */

#define HIBND_ACB_L_FAC_Q1                  ( 5 )                   /* SHB Interpolation Factor Q1 */

#define NUM_HILBERTS                        2

#define HILBERT_ORDER1                      5

#define HILBERT_ORDER2                      4

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -156,6 +156,7 @@ 
#define FIX_ISSUE_1214                          /* Ittiam: Fix for issue 1214: Energy leakage in IGF tiles for MDCT-stereo @64kbps SWB*/

#define FIX_881_HILBERT_FILTER                  /* VA: improve the precision of the Hilbert filter to remove 2kHz unwanted tone */

#define FIX_ISSUE_1245                          /* Ittiam: Fix for issue 1245: Basop Encoder: Audible noise for silent Stereo input DTX on @24.4 kbps, @32 kbps*/

#define FIX_ISSUE_1291                          /* Ittiam: Wrong use of imult1616() in ACELP rescaling */

#define FIX_920_IGF_INIT_ERROR                  /* FhG: issue 920: fix bitrate mismatch in initial IGF config to avoid error message in same cases */

#define FIX_MINOR_SVD_WMOPS_MR1010X             /* FhG: Minor WMOPS tuning, bit-exact to previous version, saves about 8.2 WMOPS for MR1010 */

#define SVD_WMOPS_OPT                           /* Ittiam : SVD related optimizations */

lib_dec/acelp_core_dec_ivas_fx.c

+5 −1
Original line number Diff line number Diff line
@@ -748,7 +748,11 @@ ivas_error acelp_core_dec_ivas_fx( 
            IF( st->hMusicPF && st->hGSCDec )

            {

                Rescale_exc( st->hMusicPF->dct_post_old_exc_fx, exc_fx, bwe_exc_fx, st->hGSCDec->last_exc_dct_in_fx, st->L_frame,

#ifdef FIX_ISSUE_1291

                             shr( imult1616( st->L_frame, HIBND_ACB_L_FAC_Q1 ), 1 ), 0, &( st->Q_exc ), st->Q_subfr, NULL, 0, INACTIVE );

#else

                             imult1616( st->L_frame, HIBND_ACB_L_FAC ), 0, &( st->Q_exc ), st->Q_subfr, NULL, 0, INACTIVE );

#endif

            }

            IF( st->hPFstat != NULL )

            {
@@ -799,7 +803,7 @@ ivas_error acelp_core_dec_ivas_fx( 
            Copy( syn1_fx + st->L_frame - L_SYN_MEM_CLAS_ESTIM, st->mem_syn_clas_estim_fx, L_SYN_MEM_CLAS_ESTIM );



            /* save and delay synthesis to be used by SWB BWE */

            Copy_Scale_sig( syn1_fx, temp_buf_fx, st->L_frame, sub( -1, st->Q_syn ) ); // Q_syn

            Copy_Scale_sig( syn1_fx, temp_buf_fx, st->L_frame, sub( -1, st->Q_syn ) ); // Q_syn -> Q(-1)

            IF( st->hBWE_FD != NULL )

            {

#ifdef FIX_ISSUE_1290

lib_dec/ivas_core_dec.c

+10 −0
Original line number Diff line number Diff line
@@ -782,6 +782,7 @@ ivas_error ivas_core_dec_fx( 
        /* for inactive frames with mono output, copy and (if necessary) downmix buffers */

        ELSE IF( EQ_16( hCPE->nchan_out, 1 ) )

        {

            Word16 shift1, shift2;

            sts[0] = hCPE->hCoreCoder[0];

            sts[1] = hCPE->hCoreCoder[1];
@@ -800,6 +801,15 @@ ivas_error ivas_core_dec_fx( 
                move16();

                sts[1]->hHQ_core->Q_old_wtda = sub( 15, sts[1]->hHQ_core->exp_old_out );

                move16();



                shift1 = norm_arr( sts[0]->hHQ_core->old_out_fx, L_FRAME48k );

                shift2 = norm_arr( sts[1]->hHQ_core->old_out_fx, L_FRAME48k );

                scale_sig( sts[0]->hHQ_core->old_out_fx, L_FRAME48k, shift1 );

                scale_sig( sts[1]->hHQ_core->old_out_fx, L_FRAME48k, shift2 );

                sts[0]->hHQ_core->Q_old_wtda = add( sts[0]->hHQ_core->Q_old_wtda, shift1 );

                sts[1]->hHQ_core->Q_old_wtda = add( sts[1]->hHQ_core->Q_old_wtda, shift2 );

                move16();

                move16();

            }

        }

lib_dec/ivas_sba_dirac_stereo_dec_fx.c

+4 −0
Original line number Diff line number Diff line
@@ -1259,6 +1259,10 @@ void ivas_sba_dirac_stereo_dec_fx( 
    move16();



#ifdef MSAN_FIX

    FOR( int i = 0; i < CPE_CHANNELS; i++ )

    {

        set32_fx( DFT[i], 0, STEREO_DFT_BUF_MAX );

    }

    Scale_sig32( hCPE->prev_hb_synth_fx[0], NS2SA_FX2( st_ivas->hDecoderConfig->output_Fs, IVAS_DEC_DELAY_NS - DELAY_BWE_TOTAL_NS ), negate( sub( Q11, hCPE->hStereoDft->q_dft ) ) ); /*hSCE->q_prev_hb_synth_fx + hCPE->hStereoDft->q_dft - Q11*/

#else

    Scale_sig32( hCPE->prev_hb_synth_fx[0], NS2SA_FX2( 48000, IVAS_DEC_DELAY_NS - DELAY_BWE_TOTAL_NS ), -( Q11 - hCPE->hStereoDft->q_dft ) );