Re: [PATCH] DVB-APPS: azap gets -p argument

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On Tue, Mar 15, 2011 at 02:50:05PM +0100, Oliver Endriss wrote:
> On Tuesday 15 March 2011 13:32:58 Janne Grunau wrote:
> > On Tue, Mar 15, 2011 at 01:23:40PM +0100, Christian Ulrich wrote:
> > > Hi, thank you for your feedback.
> > > 
> > > Indeed, I never used -r alone, but only with -p.
> > > So with your patch, [acst]zap -r will be the same as -rp. That looks good to me.
> > 
> > well, azap not yet. iirc I implemented -p for azap but it was never
> > applied since nobody tested it. see attached patch for [cst]zap
> 
> NAK.

I think we had the same discussion when I submitted -p for czap and
tzap.

> The PAT/PMT from the stream does not describe the dvr stream correctly.
> 
> The dvr device provides *some* PIDs of the transponder, while the
> PAT/PMT reference *all* programs of the transponder.

True, the PAT references some PMT pids which won't be included. All pids
from the desired program should be included. A transport stream without
PAT/PMT is as invalid as the stream with incorrect PAT/PMT/missing pids
but the second is easier to handle for player software than the first.

> For correct results the PAT/PMT has to be re-created.

That's not possible from ?zap and I hope you don't suggest we add
PMT/PAT rewriting routines to kernel software demuxer.

> The separate -p option seems acceptable - as a debug feature.

-r is as much a debug feature as -p. the output is invalid too

Janne
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