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SCTE35 - PTS time for OUT signal (CMAF)

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Hi,

We are using CMAF ingest option and having trouble to understand the PTS time that coming with the message. For example, the message can be: “/DAlAAAAAAAAAP/wFAUAEDfIf+/++BqAiP4Azf5gAAAAAAAAIpp8Qg==” that has pts_time: "0xf81a8088"

after devision to 90,000 it will be 46249 seconds.

The question here: 46249 from what time?

Thank you Igor

asked 2 years ago315 views
1 Answer
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Hi Igor,

The "pts_time" is a 33-bit file which indicates the time of the intended splice point in the live stream and the same is relative to the start of the current program or content segment. [+] SCTE-35 standard : https://wagtail-prod-storage.s3.amazonaws.com/documents/ANSI-SCTE_35_2023r1.pdf

NOTE: The link shared above contains third party information and are not endorsed by AWS.

For your example, the "pts_time" was "4162486408" ticks which is "46249.848978" seconds. Therefore, the Splice Insert command would have been executed approximately 46249.848978" seconds after the start of the current program.

answered 2 years ago

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