Commit 36428363 authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
Browse files

Fix for 3GPP issue 1759: Decoder crash for OSBA ISM4SBA3 at 32kbps FER in cldfbAnalysis_ts() 

Link #1759
parent f1458362

lib_rend/ivas_dirac_dec_binaural_functions_fx.c

+12 −5
Original line number Diff line number Diff line
@@ -596,7 +596,7 @@ static void ivas_dirac_dec_binaural_internal_fx( 
            move16();

        }

    }



    Word16 q_cldfb_temp = sub( q_input, 1 );

    DIRAC_DEC_BIN_HANDLE hDiracDecBin;

    SPAT_PARAM_REND_COMMON_DATA_HANDLE hSpatParamRendCom;

    PARAMBIN_REND_CONFIG config_data;
@@ -616,7 +616,7 @@ static void ivas_dirac_dec_binaural_internal_fx( 
    nBins = hSpatParamRendCom->num_freq_bands;

    move16();

    offsetSamples = imult1616( hSpatParamRendCom->slots_rendered, nBins );



    Word32 tmp_arr[CLDFB_NO_CHANNELS_MAX];

    /* Setup internal config */

    config_data.separateCenterChannelRendering = st_ivas->hOutSetup.separateChannelEnabled;

    move16();
@@ -713,13 +713,21 @@ static void ivas_dirac_dec_binaural_internal_fx( 
            test();

            IF( ch == 0 || EQ_16( nchan_transport, 2 ) )

            {

                q_cldfb[ch][slot] = q_input;

                q_cldfb[ch][slot] = q_cldfb_temp;

                move16();

                Copy_Scale_sig32( &( st_ivas->hTcBuffer->tc_fx[ch][nBins * slot + offsetSamples] ), tmp_arr, nBins, -1 );

                scale_sig32( st_ivas->cldfbAnaDec[ch]->cldfb_state_fx, sub( st_ivas->cldfbAnaDec[ch]->p_filter_length, st_ivas->cldfbAnaDec[ch]->no_channels ), sub( q_cldfb_temp, st_ivas->cldfbAnaDec[ch]->Q_cldfb_state ) );

                cldfbAnalysis_ts_fx_fixed_q(

                    &( st_ivas->hTcBuffer->tc_fx[ch][add( imult1616( nBins, slot ), offsetSamples )] ),

                    tmp_arr,

                    Cldfb_RealBuffer_in_fx[ch][slot],

                    Cldfb_ImagBuffer_in_fx[ch][slot],

                    nBins, st_ivas->cldfbAnaDec[ch], &q_cldfb[ch][slot] );

                scale_sig32( st_ivas->cldfbAnaDec[ch]->cldfb_state_fx, sub( st_ivas->cldfbAnaDec[ch]->p_filter_length, st_ivas->cldfbAnaDec[ch]->no_channels ), sub( q_input, st_ivas->cldfbAnaDec[ch]->Q_cldfb_state ) );

                st_ivas->cldfbAnaDec[ch]->Q_cldfb_state = q_input;

                scale_sig32( Cldfb_RealBuffer_in_fx[ch][slot], nBins, 1 ); // Q6

                scale_sig32( Cldfb_ImagBuffer_in_fx[ch][slot], nBins, 1 ); // Q6

                q_cldfb[ch][slot] = add( q_cldfb[ch][slot], 1 );

                move16();

            }

            ELSE IF( EQ_16( config_data.nchan_transport, 2 ) ) /* Stereo signal transmitted as mono with DFT stereo */

            {
@@ -814,7 +822,6 @@ static void ivas_dirac_dec_binaural_internal_fx( 


        IF( hDiracDecBin->useTdDecorr )

        {

            Word32 tmp_arr[60];

            FOR( ch = BINAURAL_CHANNELS; ch < ( 2 * BINAURAL_CHANNELS ); ch++ )

            {

                q_cldfb[ch][slot] = sub( q_input, 1 );