[linux-dvb] Re: segfault loading dvb-bt8xx with nebula digiTv

[Holger Waechtler <holger@convergence.de>]

mythdev@cue.cc wrote:
> > From: linux-dvb-bounce@linuxtv.org 
> > [mailto:linux-dvb-bounce@linuxtv.org] On Behalf Of Jamie Honan
> >
> >
> > Ah.
> >
> > nxt6000_attach is doing a i2c write to an address only, no data.
> > The hardware i2c routine in bttv expects at least one data byte.
> >
> > Rob, as a work-around, you can probably set the parameter
> > i2c_hw=0 on the module load of bttv
>
> Cheers... that worked a treat :)
>
> [from /var/log/messages]
>
> Oct 30 09:07:19 bender kernel: DVB: registering new adapter (Neb).
> Oct 30 09:07:19 bender kernel: DVB: registering frontend 0:0 (NxtWave
> NXT6000)...
>
>
> What are the recommendations for putting the card through it's paces?
> I'm only booting to init level 3 at the moment, but would like to at
> least have the card tune and hopefully capture to file?
To record a stream out of a DVB-T card you can use e.g.

$ tzap -r <channelname>
[let it run, now in a second console:]
$ cat /dev/dvb/adapter0/dvr0 > /tmp/recording.ts

More comfortable programs are VDR, MythTV, dvbstream. Other nifty test 
programs are in DVB/apps/test/, I use mostly test_sections, test_pes, 
scan for testing purposes. Also see the file DVB/INSTALL in the release 
tarball or the DVB tree in CVS:

"- For cards without hardware MPEG decoder you need a software
  MPEG decoder, e.g. mplayer or xine (you need *very* recent versions
  which understand MPEG2 transport streams; xine v0.9.21 and
  mplayer dev-CVS-030723-16:39-3.3.1 seem to work);
  Note: You must run ?zap with the -r flag to enable stream output to
        the dvr device, and keep it running while watching tv.
  Examples:
    mplayer - < /dev/dvb/adapter0/dvr0
    xine stdin://mpeg2 < /dev/dvb/adapter0/dvr0
  Note: Newest mplayer and xine versions are reported to have
  builtin DVB support (see FAQ for more info)."

hope that helps,

Holger



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