Note

Disclaimer. This is design documentation which may differ from its final version.

Glossary

General

Packaging
Change the delivery format of a program stream without altering the programmatic timeline.
Transmuxing
Also known as packaging or re-packaging.

Dynamic Ad Insertion

DAI
Dynamic Ad Insertion
The supplementing of a program stream with an alternative piece of content (an advertisement) for monetization.
DAR
Dynamic Ad Replacement
The supplementing of a program stream with an alternative piece of content (an advertisement) for monetization.
EMSG
The Event Message box ('emsg') provides signalling for generic events related to the media presentation time.
ESAM
Cablelabs Event Signaling And Management API
Fragment duration
The length of a fragment containing either 1 or multiple GOP's.
GOP
The encoding sequence or Group of Picture all the necessary data to be decoded an presented for viewing
IDR
Instant Decoder Refresh. A type of video picture used in visual encoding allow for a received device or decode to display with video without any information of any picture before or after.
SCTE-104
Requests from an automation system to create splice markers in a program stream.
SCTE-35
The fulfillment of SCTE-104 requests, containing all necessary metadata a downstream system to take appropriate actions to condition a program stream.
SGAI
Server Guided Ad Insertion
The supplementing of a program stream with an alternative piece of content (an advertisement) for monetization.
SGAR
Server Guided Ad Replacement
The supplementing of a program stream with an alternative piece of content (an advertisement) for monetization.
splice
Split and merge a media fragment at a desired point in time.
splice_insert()
This is the legacy standard for a distributor placement opportunity.
SSAI
Server Side Ad Insertion
The supplementing of a program stream with an alternative piece of content (an advertisement) for monetization.
SSAR
Server Side Ad Replacement
The supplementing of a program stream with an alternative piece of content (an advertisement) for monetization.
time_signal()
The time_signal() provides a time synchronized data delivery mechanism.