[linux-dvb] Re: Full transport stream from full featured cards?

["Aurelian Pop" <puiu@cs.tut.fi>]

> Aurelian Pop schrieb:
> >>Aurelian Pop schrieb:
> >>
> >>>>Aurelian Pop schrieb:
> >>>>
> >>>>
> >>>>>>Just checking:
> >>>>>>
> >>>>>>The docs imply that you can only get the full transport stream
> >>>
> >>>from
> >>>
> >>>
> >>>>>the
> >>>>>
> >>>>>
> >>>>>
> >>>>>>cards without a built in decoder.  So if I have a full
featured
> >>>>>
> >>>>>card, ie the
> >>>>>
> >>>>>
> >>>>>
> >>>>>>tt DVB-T then I can't get the full transport stream with the
> >>>
> >>>current
> >>>
> >>>
> >>>>>driver?
> >>>>>
> >>>>>Yes, set the filter to 8192 (this means full TS, no PID
> >
> > filtering)
> >
> >>>so
> >>>
> >>>
> >>>>>you get the full transport stream.
> >>>>>
> >>>>
> >>>>Do you mean the origin TS or a remuxed TS with limited numbers
of
> >>>
> >>>PIDs?
> >>>
> >>>
> >>>AFAIK, if you feed to the dmx device the command
> >
> > "dmx_set_pes_filter"
> >
> >>>with the value 8192 (actually this is an invalid PID number
> >
> > because it
> >
> >>>is represented on 14 bits, and PID is represented on 13 bits),
the
> >>>driver interprets this value as "do not filter anything", and it
> >
> > just
> >
> >>>copies everything to the demuxN device.
> >>>So this way you get your full transport stream.
> >>>
> >>
> >>Does this decrease or increase ARM load in any way?
> >>
> >>What about the bandwith? Is the DEBI fast enough to transmit the
> >>complete TS and have a play-back at the same time? What I mean is
> >
> > some
> >
> >>kind of transfer-mode. I want to get the complete, origin TS,
filter
> >
> > it
> >
> >>by software for recording all channels and play back at the same
> >
> > time
> >
> >>(with OSD-activity).
> >>
> >
> >
> > I never checked the ARM load, I had no problems with it so I
wasn't
> > paying attention. However, let me be specific, and underline that
I
> > used the streams to send them over the ip net, or to save it into
a
> > file, not to play it on the same machine live. So I cannot answer
your
> > questions.
> >
>
> What about the guys from Convergence? Any statement?
>
> Thanx
>

Let's see if they answer. :)

Aurelian



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