[mythtv] DVB-S with no SDT / NIT tables

Manu Abraham abraham.manu at gmail.com
Fri Oct 26 08:16:27 UTC 2007

Steven Ellis wrote:
> On Wed, October 24, 2007 12:47 am, Janne Grunau wrote:
>> On Tuesday 23 October 2007 07:26:25 Steven Ellis wrote:
>>> There are some DVB-S services on Optus D1 that don't have any SDT or
>>> NIT entries on their TS stream. For details see 12643V at
>>> http://www.lyngsat.com/optusd1.html.
>>> Now is there any way to specify Audio and Video PIDs for a channel
>>> when the SDT information doesn't exist?
>> The PIDs are defined in the in the PMT.
>>> These channels can be loaded onto generic DVB-S STBs where you can
>>> manually add the A/V PID details, and it would be great if we could
>>> get them with MythTV. I've asked on the Users list, but after looking
>>> at the code i'm wondering if it will need a patch.
>> As long as there is no NIT+SDT and valid PAT+PMT on the transponder the
>> scanner should find them.
> Sadly there is no PMT either.
> All that the DVB-S transponder is carrying are the Audio and Video PIDs,
> there are no other information streams present.

If there are is no valid PAT/PMT, then it is not a valid MPEG2 TS (which are 
mandatory, not optional)


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