[linux-dvb] question about definition of section in PSI of Transport stream

Nico Sabbi Nicola.Sabbi at poste.it
Thu Jul 24 11:53:55 CEST 2008


On Thursday 24 July 2008 11:46:48 loody wrote:
> Dear all:
> I am reading iso13818-1 right now.
> But I cannot figure out what the section mean in PSI.
>
> In PAT, there is a N loop tell us how many programs in this TS and
> the corresponding pid of PMT.
> Is section equivalent to program?

each item identifies a program and a pid

> Suppose there is 10 loop in PAT, and there will be 10 sections,
> right?

no, the section is only needed to split overly long PATs and / or PMTs
in smaller pieces



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