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

loody miloody at gmail.com
Fri Jul 25 11:12:53 CEST 2008


Hi:
thanks for your explanation.
BTW, I find all my Ts only have one section, section_number and
last_section_number are both 0.

Would you please tell me where I can get multi-sections TS for tracing?

appreciate your help,
miloody


2008/7/24 Nico Sabbi <Nicola.Sabbi at poste.it>:
> 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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