[linux-dvb] Re: VDR: Tuning stability

[Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>]

Johannes Stezenbach wrote:
> 
> Klaus Schmidinger wrote:
> >
> > "Marcus O.C. Metzler" wrote:
> > >
> >...
> > > the important stuff is the QPSK_GET_EVENT call, which should be polled
> > > if a large enough timeout to ensure that the channel is tuned.
> 
> A blocking read is just fine, because it means the driver
> can take as long as it needs. In a single-threaded GUI program
> one would use poll/select, however.

I just realized that I had _not_ opened the frontend file descriptor
with O_NONBLOCK, so the poll() call wasn't worth very much.

I changed that in a new ftp://ftp.cadsoft.de/pub/people/kls/ctest.c,
but still there are the usual problems...

Klaus
-- 
_______________________________________________________________

Klaus Schmidinger                       Phone: +49-8635-6989-10
CadSoft Computer GmbH                   Fax:   +49-8635-6989-40
Hofmark 2                               Email:   kls@cadsoft.de
D-84568 Pleiskirchen, Germany           URL:     www.cadsoft.de
_______________________________________________________________


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