Commit 63941ae6 authored by Dominik Weckbecker's avatar Dominik Weckbecker 💬
Browse files

restrict direct-gain modifications to HO-DirAC mode

parent 11891d40

lib_dec/ivas_dirac_output_synthesis_dec.c

+29 −10
Original line number Diff line number Diff line
@@ -843,7 +843,6 @@ void ivas_dirac_dec_output_synthesis_process_subframe_gain_shd( 
            {

                h_dirac_output_synthesis_state.cy_cross_dir_smooth[ch_idx * num_freq_bands + l] = sqrtf( 1.f + h_dirac_output_synthesis_state.cy_cross_dir_smooth[ch_idx * num_freq_bands + l] );

            }



        }



        /*Directional gain*/
@@ -927,6 +926,9 @@ void ivas_dirac_dec_output_synthesis_process_subframe_gain_shd( 
    p_gains_dir = h_dirac_output_synthesis_state.cy_cross_dir_smooth_prev;



/*Direct gains*/

#ifdef HODIRAC

    if ( hodirac )

    {

        for ( ch_idx = 0; ch_idx < nchan_transport_foa; ch_idx++ )

        {

            for ( l = 0; l < num_freq_bands; l++ )
@@ -939,6 +941,23 @@ void ivas_dirac_dec_output_synthesis_process_subframe_gain_shd( 
                *( p_gains_dir++ ) = g2;

            }

        }

    }

    else

#endif

    {

        for ( ch_idx = 0; ch_idx < nchan_transport_foa; ch_idx++ )

        {

            for ( l = 0; l < num_freq_bands; l++ )

            {

                g1 = 0.3679f + onset_filter[l] * ( 0.1175f - 0.3679f );

                g2 = ( 1.f - g1 ) * *( p_gains_dir );

                g2 += g1 * ( *( p_cy_cross_dir_smooth++ ) );

                g2 = max( g2, 0.85f );

                g2 = min( g2, 1.15f );

                *( p_gains_dir++ ) = g2;

            }

        }

    }



    /*Directional gains*/

    for ( ch_idx = nchan_transport_foa; ch_idx < num_channels_dir; ch_idx++ )