[linux-dvb] Re: Help for PMT needed

[Nico <sabbi@cs.unibo.it>]

Hi,

I have a Nova-S card and I'm testing the full TS dump (dvbstream -o 8192) of Rai (HotBird,
freq 11766 / pol V / s.r. 27500).

I checked my code, and I'm sure that I'm not overwriting the PUSI field,
so this is still a mistery to me.


Other software such as decode_pmt from libdvbpsi can successfully
reconstruct the PMT, but it's a bit hard to understand how it works,
because it uses a lot of callbacks, something that I find very
counter-intuitive and hard to follow.


Since decode_pmt is working on the same sample where my demuxer fails,
I guess my problem isn't related to DMX_SET_FILTER, but on
my understanding of the PMT structure alone.

I'd be very grateful if you could check that the PMTs in that stream are
effectively showing that "feature".

Thanks very much for your help,
		Nico

On Fri, 8 Aug 2003, Wolfgang Thiel wrote:

> Hi,
>
> I'm using DMX_SET_FILTER on the demux device, where the filter is
> set to PMT_ and Sid-Hi/Sid-Lo. I think, that's the easiest
> way. To be sure, you could also add a filter on the section you are
> interested in, but I don't think there are many PMTs to be found
> that need more than one section: perhaps on HotBird, on some chan-
> nels with fake ECM entries, but I haven't checked today.
> (the flags parameter could have the CHECK_CRC bit set as well.)
>
> You *have* to set a SID filter on e.g. 30 west: there, most PMTs are
> sent within one single PMT pid.
>
> If you tell me what PMTs you are having problems with, just tell me,
> and I'll have a look.
>
> You should tell as well what kind of hw/card you are using.
>
>
> Wolfgang
>
>
>



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