SCTE 104/35 Codex

SCTE 35 Part 2

event_type

Enumerated values

Clause citations

  • 35-2-202610.3.1.1 · Table 13 · event_type
ValueDecNameDescriptionHistoryRelated
0x000networkThe top of the hierarchy: a run of programs delivered back to back as one continuous stream for a set period. The XML token is 'network'.
0x011programA single presentation, usually long-form (over about five minutes), typically made up of chapters, breaks, opportunities, and advertisements. The XML token is 'program'.
0x022chapterA short section within a program, placed so a viewer can find a scene or segment easily. The XML token is 'chapter'.
0x033breakA non-program section of a program or chapter. It normally wraps the opportunities and advertisements inside it. The XML token is 'break'.
Standards note

SCTE 35 Part 2 states that advertising events (break, opportunity, advertisement) must not overlap, but some of its own examples show overlapping advertising intervals. We treat non-overlap as the intended rule.

0x044opportunityA location and duration in the stream where ads can be inserted, either replacing underlying content or extending the timeline. The XML token is 'opportunity'.
0x055advertisementThe lowest level: a single ad, usually short-form (under about two minutes). The XML token is 'advertisement'.
0x06-0xFFReservedReserved for future use. Not currently assigned a meaning.