Here is a list of all files with brief descriptions:

doc
lib
include
libdvbv5
atsc_eit.h	Provides the table parser for the ATSC EIT (Event Information Table)
atsc_header.h	Provides some common ATSC stuff
cat.h	Provides the table parser for the CAT (Conditional Access Table)
countries.h	Provides ancillary code to convert ISO 3166-1 country codes
crc32.h	Provides ancillary code to calculate DVB crc32 checksum
desc_atsc_service_location.h	Provides the descriptors for ATSC service location
desc_ca.h	Provides the descriptors for Conditional Access
desc_ca_identifier.h	Provides the descriptors for the Conditional Access identifier
desc_cable_delivery.h	Provides the descriptors for the cable delivery system descriptor
desc_event_extended.h	Provides the descriptors for the extended event descriptor
desc_event_short.h	Provides the descriptors for the short event descriptor
desc_extension.h	Provides the descriptors for the extension descriptor
desc_frequency_list.h	Provides the descriptors for the frequency list descriptor
desc_hierarchy.h	Provides the descriptors for the hierarchy descriptor
desc_isdbt_delivery.h	Provides the descriptors for the ISDB-T terrestrial delivery system
desc_language.h	Provides the descriptors for the ISO639 language descriptor
desc_logical_channel.h	Provides the descriptors for the LCN - Logican Channel Number
desc_network_name.h	Provides the descriptors for the network name descriptor
desc_partial_reception.h	Provides the descriptors for the ISDB partial reception descriptor
desc_registration_id.h	Provides the descriptors for the registration descriptor
desc_sat.h	Provides the descriptors for the satellite delivery system descriptor
desc_service.h	Provides the descriptors for the service descriptor
desc_t2_delivery.h	Provides the descriptors for the DVB-T2 delivery system descriptor
desc_terrestrial_delivery.h	Provides the descriptors for the DVB-T terrestrial delivery system descriptor
desc_ts_info.h	Provides the descriptors for the ISDB TS information descriptor
descriptors.h	Provides a way to handle MPEG-TS descriptors found on Digital TV streams
dvb-demux.h	Provides interfaces to deal with DVB demux
dvb-dev.h	Provides interfaces to handle Digital TV devices
dvb-fe.h	Provides interfaces to deal with DVB frontend
dvb-file.h	Provides interfaces to deal with DVB channel and program files
dvb-log.h	Provides interfaces to handle libdvbv5 log messages
dvb-sat.h	Provides interfaces to deal with DVB Satellite systems
dvb-scan.h	Provides interfaces to scan programs inside MPEG-TS digital TV streams
dvb-v5-std.h	Provides libdvbv5 defined properties for the frontend
eit.h	Provides the table parser for the DVB EIT (Event Information Table)
header.h	Provides the MPEG TS table headers
mgt.h	Provides the table parser for the ATSC MGT (Master Guide Table)
mpeg_es.h	Provides the table parser for the MPEG-TS Elementary Stream
mpeg_pes.h	Provides the table parser for the MPEG-PES Elementary Stream
mpeg_ts.h	Provides the table parser for the MPEG-PES Elementary Stream
nit.h	Provides the descriptors for NIT MPEG-TS table
pat.h	Provides the descriptors for PAT MPEG-TS table
pmt.h	Provides the descriptors for PMT MPEG-TS table
sdt.h	Provides the descriptors for SDT MPEG-TS table
vct.h	Provides the descriptors for TVCT and CVCT tables