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Re: DVB TS/PES filters



On Wed, 01 Feb 2012 18:40:44 +0100
Lars Hanisch <dvb@xxxxxxxxxxxxxx> wrote:

> Am 01.02.2012 14:32, schrieb Tony Houghton:
> > On Thu, 26 Jan 2012 15:40:15 +0000 Tony Houghton<h@xxxxxxxxxxx>
> > wrote:
> >
> >> I could do with a little more information about DMX_SET_PES_FILTER.
> >> Specifically I want to use an output type of DMX_OUT_TS_TAP. I
> >> believe there's a limit on how many filters can be set, but I don't
> >> know whether the kernel imposes such a limit or whether it depends
> >> on the hardware, If the latter, how can I read the limit?
> >
> > Can anyone help me get more information about this (and the "magic
> > number" pid of 8192 for the whole stream)?
> 
>   In the TS-header there are 13 bits for the PID, so it can be from 0
>   to 8191.  Therefore dvb-core interprets 8192 (and greater values I
>   think) as "all PIDs".

Thanks for that. But it would be really helpful if I could find out
whether there really is a limit to the number of filters and whether
it's hardware dependent or the kernel.
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