Commit d1458004 authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
Browse files

Fix for 3GPP issue 948: High MLD value due to high energy in transients for MC 5.1 in MCT

parent 4a08961e

lib_dec/ivas_mct_dec.c

+6 −6
Original line number Diff line number Diff line
@@ -579,15 +579,15 @@ ivas_error ivas_mct_dec_fx( 
        hdrm = getScaleFactor16( synth_fx[0], hCPE->hCoreCoder[0]->hTcxDec->L_frameTCX );

        IF( hdrm != 0 )

        {

            sh = s_min( sub( e_sig[0], 15 ), hdrm );

            sh = s_min( sub( e_sig[0], 16 ), hdrm );

            Scale_sig( synth_fx[0], hCPE->hCoreCoder[0]->hTcxDec->L_frameTCX, sh );

            e_sig[0] = sub( e_sig[0], sh );

            move16();

        }



        hdrm = getScaleFactor16( synth_fx[1], hCPE->hCoreCoder[0]->hTcxDec->L_frameTCX );

        IF( hdrm != 0 )

        {

            sh = s_min( sub( e_sig[1], 15 ), hdrm );

            sh = s_min( sub( e_sig[1], 16 ), hdrm );

            Scale_sig( synth_fx[1], hCPE->hCoreCoder[1]->hTcxDec->L_frameTCX, sh );

            e_sig[1] = sub( e_sig[1], sh );

            move16();
@@ -616,11 +616,11 @@ ivas_error ivas_mct_dec_fx( 
            IF( ( st_ivas->sba_dirac_stereo_flag != 0 ) && ( NE_16( st_ivas->ivas_format, SBA_ISM_FORMAT ) || GE_16( cpe_id, sub( nCPE, 2 ) ) ) )

            {



                Copy_Scale_sig_16_32( synth_fx[n], synth_fx_32[n], L_FRAME48k, Q11 - 0 ); // Q11

                Copy_Scale_sig_16_32( synth_fx[n], synth_fx_32[n], L_FRAME48k, sub( Q11, ( sub( 15, e_sig[n] ) ) ) ); // Q11

                Copy_Scale_sig_16_32( hCPE->hCoreCoder[n]->hHQ_core->old_out_fx, hCPE->hCoreCoder[n]->hHQ_core->oldOut_fx, output_frame, sub( Q11, hCPE->hCoreCoder[n]->hHQ_core->Q_old_wtda ) );

                ivas_post_proc_fx( NULL, hCPE, n, synth_fx_32[n], NULL, output_frame, 1, Q11 );

#ifdef MSAN_FIX

                Copy_Scale_sig_32_16( synth_fx_32[n], synth_fx[n], output_frame, 0 - Q11 ); // Q0

                Copy_Scale_sig_32_16( synth_fx_32[n], synth_fx[n], output_frame, sub( sub( 15, e_sig[n] ), Q11 ) ); // Q0

#else

                Copy_Scale_sig_32_16( synth_fx_32[n], synth_fx[n], L_FRAME48k, 0 - Q11 );

#endif
@@ -630,7 +630,7 @@ ivas_error ivas_mct_dec_fx( 
            Word16 output_mem_fx[L_FRAME48k];

            IF( hCPE->output_mem_fx[1] != NULL )

            {

                Copy_Scale_sig_32_16( hCPE->output_mem_fx[1], output_mem_fx, NS2SA( sts[n]->output_Fs, 3125000 ), 0 - Q11 );

                Copy_Scale_sig_32_16( hCPE->output_mem_fx[1], output_mem_fx, NS2SA( sts[n]->output_Fs, 3125000 ), -Q11 );

            }

            ELSE

            {