Commit 3840a36f authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
Browse files

Updates for 3GPP issue 1078 

Link #1078
parent 048947e6

lib_enc/ext_sig_ana_fx.c

+2 −0
Original line number Diff line number Diff line
@@ -918,6 +918,8 @@ void core_signal_analysis_high_bitrate_ivas_fx( 
                assert( frameno == 0 );

                windowed_samples[0] = L_deposit_l( overlap_mode[frameno] );     // Q0

                windowed_samples[1] = L_deposit_l( overlap_mode[frameno + 1] ); // Q0

                *q_win = 0;

                move16();

            }

            IF( NE_16( st->element_mode, IVAS_CPE_MDCT ) )

            {

lib_enc/ivas_cpe_enc.c

+22 −26
Original line number Diff line number Diff line
@@ -775,36 +775,32 @@ ivas_error ivas_cpe_enc_fx( 
        test();

        IF( hCPE->hStereoMdct != NULL && hCPE->hStereoMdct->hItd != NULL )

        {



            shift = getScaleFactor16( sts[1]->old_input_signal_fx, input_frame );

            Scale_sig( sts[1]->old_input_signal_fx, input_frame, shift ); /* sts[1]->q_old_inp + shift */

            sts[1]->q_old_inp = add( sts[1]->q_old_inp, shift );

            move16();

            shift = getScaleFactor16( sts[1]->input_fx, input_frame );

            Scale_sig( sts[1]->input_fx, input_frame, shift ); /* sts[1]->q_inp + shift */

            sts[1]->q_inp = add( sts[1]->q_inp, shift );

            move16();

            Scale_sig( sts[1]->input_fx, input_frame, sub( s_min( sts[1]->q_inp, sts[1]->q_old_inp ), sts[1]->q_inp ) );                /* min( sts[1]->q_inp, sts[1]->q_old_inp ) */

            Scale_sig( sts[1]->old_input_signal_fx, input_frame, sub( s_min( sts[1]->q_old_inp, sts[1]->q_inp ), sts[1]->q_old_inp ) ); /* min( sts[1]->q_inp, sts[1]->q_old_inp ) */

            sts[1]->q_inp = s_min( sts[1]->q_inp, sts[1]->q_old_inp );

            move16();

            sts[1]->q_old_inp = sts[1]->q_inp;

            Word16 q_min;

            q_min = sts[1]->q_old_inp;

            move16();

            q_min = s_min( q_min, sts[1]->q_inp );

            q_min = s_min( q_min, sts[0]->q_old_inp );

            q_min = s_min( q_min, sts[0]->q_inp );



            shift = getScaleFactor16( sts[0]->old_input_signal_fx, input_frame );

            Scale_sig( sts[0]->old_input_signal_fx, input_frame, shift ); /* sts[0]->q_old_inp + shift*/

            sts[0]->q_old_inp = add( sts[0]->q_old_inp, shift );

            move16();

            shift = getScaleFactor16( sts[0]->input_fx, input_frame );

            Scale_sig( sts[0]->input_fx, input_frame, shift ); /* sts[0]->q_inp + shift */

            sts[0]->q_inp = add( sts[0]->q_inp, shift );

            shift = norm_arr( sts[1]->old_input_signal_fx, input_frame );

            shift = s_min( shift, norm_arr( sts[1]->input_fx, input_frame ) );

            shift = s_min( shift, norm_arr( sts[0]->old_input_signal_fx, input_frame ) );

            shift = s_min( shift, norm_arr( sts[0]->input_fx, input_frame ) );



            q_min = add( q_min, shift );



            scale_sig( sts[1]->input_fx, input_frame, sub( q_min, sts[1]->q_inp ) );                /* q_min */

            scale_sig( sts[1]->old_input_signal_fx, input_frame, sub( q_min, sts[1]->q_old_inp ) ); /* q_min */

            scale_sig( sts[0]->input_fx, input_frame, sub( q_min, sts[0]->q_inp ) );                /* q_min */

            scale_sig( sts[0]->old_input_signal_fx, input_frame, sub( q_min, sts[0]->q_old_inp ) ); /* q_min */



            sts[1]->q_old_inp = q_min;

            sts[0]->q_old_inp = q_min;

            sts[1]->q_inp = q_min;

            sts[0]->q_inp = q_min;

            move16();

            move16();

            Scale_sig( sts[0]->input_fx, input_frame, sub( s_min( sts[0]->q_inp, sts[0]->q_old_inp ), sts[0]->q_inp ) );                /* min( sts[0]->q_inp, sts[0]->q_old_inp ) */

            Scale_sig( sts[0]->old_input_signal_fx, input_frame, sub( s_min( sts[0]->q_old_inp, sts[0]->q_inp ), sts[0]->q_old_inp ) ); /* min( sts[0]->q_inp, sts[0]->q_old_inp ) */

            sts[0]->q_inp = s_min( sts[0]->q_inp, sts[0]->q_old_inp );

            move16();

            sts[0]->q_old_inp = sts[0]->q_inp;

            move16();

        }

lib_enc/transient_detection_fx.c

+2 −2
Original line number Diff line number Diff line
@@ -199,9 +199,9 @@ static void GetAttackForTCXDecision_ivas_fx( Word32 const *pSubblockNrg, Word32 
        }

        ELSE /* no attack, but set index anyway in case of strong energy increase */

        {

            W_tmp2 = W_shr( W_mult_32_16( pAccSubblockNrg[i - 1], attackRatioThreshold_1_5 ), 1 );

            W_tmp2 = W_shr( W_mult_32_16( pSubblockNrg[i - 1], attackRatioThreshold_1_5 ), 1 );

            W_tmp1 = W_shl( pSubblockNrg[i], ( 15 - ( ATTACKTHRESHOLD_E + 1 ) ) );

            W_tmp3 = W_shr( W_mult_32_16( pAccSubblockNrg[i - 2], attackRatioThreshold_1_5 ), 1 );

            W_tmp3 = W_shr( W_mult_32_16( pSubblockNrg[i - 2], attackRatioThreshold_1_5 ), 1 );



            IF( s_and( ( (Word16) GT_64( W_tmp1, W_tmp2 ) ),

                       ( W_sub( W_tmp1, W_tmp3 ) > 0 ) ) )