/usr/include/libucsi/atsc/ is in dvb-apps 1.1.1+rev1483-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/libucsi/atsc/ac3_descriptor.h
/usr/include/libucsi/atsc/caption_service_descriptor.h
/usr/include/libucsi/atsc/component_name_descriptor.h
/usr/include/libucsi/atsc/content_advisory_descriptor.h
/usr/include/libucsi/atsc/cvct_section.h
/usr/include/libucsi/atsc/dcc_arriving_request_descriptor.h
/usr/include/libucsi/atsc/dcc_departing_request_descriptor.h
/usr/include/libucsi/atsc/dccsct_section.h
/usr/include/libucsi/atsc/dcct_section.h
/usr/include/libucsi/atsc/descriptor.h
/usr/include/libucsi/atsc/eit_section.h
/usr/include/libucsi/atsc/ett_section.h
/usr/include/libucsi/atsc/extended_channel_name_descriptor.h
/usr/include/libucsi/atsc/genre_descriptor.h
/usr/include/libucsi/atsc/mgt_section.h
/usr/include/libucsi/atsc/rc_descriptor.h
/usr/include/libucsi/atsc/rrt_section.h
/usr/include/libucsi/atsc/section.h
/usr/include/libucsi/atsc/service_location_descriptor.h
/usr/include/libucsi/atsc/stt_section.h
/usr/include/libucsi/atsc/stuffing_descriptor.h
/usr/include/libucsi/atsc/time_shifted_service_descriptor.h
/usr/include/libucsi/atsc/tvct_section.h
/usr/include/libucsi/atsc/types.h