Commit 5dd4ee6a authored by Dominik Weckbecker's avatar Dominik Weckbecker 💬
Browse files

fix for issue 87: decoder crash for SBA with head tracking

parent d5d52208

lib_com/options.h

+3 −0
Original line number Diff line number Diff line
@@ -149,6 +149,9 @@ 


#define LBR_SBA_CORE_CODING_TUNING                      /* Contribution "3 Core Coder Tuning for low bitrate SBA with 2 TCs" */ 





#define FIX_I87                                         /*  fix for issue 86: incorrect Ambisonics order set for head rotation in SBA */



/* ################## End DEVELOPMENT switches ######################### */

/* clang-format on */

#endif

lib_dec/ivas_output_init.c

+25 −0
Original line number Diff line number Diff line
@@ -263,6 +263,10 @@ void ivas_renderer_select( 
    AUDIO_CONFIG output_config;

    AUDIO_CONFIG transport_config;



 #ifdef FIX_I87

    int16_t nchan_internal;

#endif



    renderer_type = &( st_ivas->renderer_type );

    internal_config = &( st_ivas->intern_config );

    output_config = st_ivas->hDecoderConfig->output_config;
@@ -355,6 +359,26 @@ void ivas_renderer_select( 


            if ( st_ivas->hDecoderConfig->Opt_Headrotation )

            {



#ifdef FIX_I87

                nchan_internal = ivas_sba_get_nchan_metadata( st_ivas->sba_order );

                if ( nchan_internal == 2 )

                {

                    st_ivas->hHeadTrackData->shd_rot_max_order = 1;

                }

                else if ( nchan_internal == 4 || nchan_internal == 3 )

                {

                    st_ivas->hHeadTrackData->shd_rot_max_order = 0;

                }

                else if ( nchan_internal == 6 || nchan_internal == 5 )

                {

                    st_ivas->hHeadTrackData->shd_rot_max_order = 2;

                }

                else if ( nchan_internal == 8 || nchan_internal == 7 )

                {

                    st_ivas->hHeadTrackData->shd_rot_max_order = 3;

                }

#else

                if ( st_ivas->nchan_transport == 2 )

                {

                    st_ivas->hHeadTrackData->shd_rot_max_order = 1;
@@ -371,6 +395,7 @@ void ivas_renderer_select( 
                {

                    st_ivas->hHeadTrackData->shd_rot_max_order = 3;

                }

#endif

            }

        }

        else if ( st_ivas->ivas_format == MC_FORMAT )