Commit 0d92e4ff authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
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Fix for 3GPP issue 1434: [regression] Encoder crash for MDCT Stereo at 80 kbps... 

Fix for 3GPP issue 1434: [regression] Encoder crash for MDCT Stereo at 80 kbps and above in stereo_mdct_core_enc_fx()

Link #1434
parent 3f263d12

lib_enc/ivas_stereo_mdct_core_enc_fx.c

+11 −13
Original line number Diff line number Diff line
@@ -362,27 +362,25 @@ void stereo_mdct_core_enc_fx( 
        Word16 hdrm_min = MAX_16;

        move16();

        FOR( ch = 0; ch < CPE_CHANNELS; ch++ )

        {

            IF( EQ_16( sts[ch]->hTcxEnc->tcxMode, TCX_20 ) )

        {

            length = sts[ch]->hTcxEnc->L_frameTCX;

            move16();

            }

            ELSE

            if ( NE_16( sts[ch]->hTcxEnc->tcxMode, TCX_20 ) )

            {

                length = shr( sts[ch]->hTcxEnc->L_frameTCX, 1 );

            }

            FOR( k = 0; k <= ( ( sts[ch]->core == TCX_20_CORE ) ? 1 : NB_DIV ) - 1; k++ )



            hdrm_min = s_min( hdrm_min, L_norm_arr( sts[ch]->hTcxEnc->spectrum_fx[0], length ) );

            hdrm_min = s_min( hdrm_min, L_norm_arr( mdst_spectrum_fx[ch][0], length ) );



            IF( NE_16( sts[ch]->hTcxEnc->tcxMode, TCX_20 ) )

            {

                hdrm_min = s_min( hdrm_min, L_norm_arr( sts[ch]->hTcxEnc->spectrum_fx[k], length ) );

                hdrm_min = s_min( hdrm_min, L_norm_arr( mdst_spectrum_fx[ch][k], length ) );

                hdrm_min = s_min( hdrm_min, L_norm_arr( sts[ch]->hTcxEnc->spectrum_fx[1], length ) );

                hdrm_min = s_min( hdrm_min, L_norm_arr( mdst_spectrum_fx[ch][1], length ) );

            }

        }



        IF( hdrm_min != 0 )

        {

            q_spec = sub( add( hdrm_min, q_spec ), 1 ); /*1 guard bit to avoid over-flows*/

        }

        q_spec = sub( add( hdrm_min, q_spec ), 2 ); /* 2 guard bits to avoid over-flows (1 for stereo_coder_tcx_fx and other for power spectrum calculation )*/



        FOR( ch = 0; ch < CPE_CHANNELS; ch++ )

        {