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Dave Chapman, 2012-11-13 00:20


EPG database structure

This page is a work-in-progress to document the internal EPG database structure in tvh.

Episode object - epg_episode_t

Populated from
Field Type Description DVB EIT OpenTV XML TV PyEPG
id uint32_t Internal ID
uri char* Unique ID (from grabber)
title lang_str_t* Title
subtitle lang_str_t* Sub-title
summary lang_str_t* Summary
description lang_str_t* An extended description
image char* URL of episode image
genre epg_genre_list_t Episode genre(s)
epnum epg_episode_num_t Episode numbering
is_bw uint8_t Is black and white
star_rating uint8_t Star rating
age_rating uint8_t Age certificate
first_aired time_t Original airdate
brand epg_brand_t* (Grand-)Parent brand
season epg_season_t* Parent season
broadcasts epg_broadcast_list_t Broadcast list

Episode numbering object - epg_episode_num_t:

This is for some back-compat and also to allow episode information to be "collated" into easy to use object

Populated from
Field Type Description DVB EIT OpenTV XML TV PyEPG
s_num uint16_t Series number
s_cnt uint16_t Series count
e_num uint16_t Episode number
e_cnt uint16_t Episode count
p_num uint16_t Part number
p_cnt uint16_t Part count
text char* Arbitary text description of episode num

Broadcast object - epg_broadcast_t

This object contains the details of a specific airing (channel & time) of an episode.

Populated from
Field Type Description DVB EIT OpenTV XML TV PyEPG
id uint32_t Internal ID
uri char* Unique ID (from grabber)
dvb_eit uint16_t DVB Event ID
start time_t Start time (UTC)
stop time_t Stop time (UTC)
is_widescreen uint8_t Is widescreen
is_hd uint8_t Is HD
lines uint16_t Lines in image (quality)
aspect uint16_t Aspect ratio (*100)
is_deafsigned uint8_t In screen signing
is_subtitled uint8_t Teletext subtitles
is_new uint8_t New series / film premiere
is_repeat uint8_t Repeat screening
summary lang_str_t* Summary
description lang_str_t* An extended description
episode epg_episode_t* Link to tvheadend episode object
serieslink epg_serieslink_t* SeriesLink
channel struct channel* Channel being broadcast on

Updated by Dave Chapman about 10 years ago · 4 revisions