[linux-dvb] Mencoder, no-go muxes and picture aspect

Jon Fairbairn jonf.dvb at mailnull.com
Thu Apr 28 18:01:57 CEST 2005


On 2005-04-28 at 16:37BST "Simon Baxter" wrote:
> > Was mplayer built with dvb support?
> No, I just Yummed it (lazy!!)

Fine. As an aside: the present way packages are distributed
with bits missing is rather tedious ;-)

> >> It looks ok :
> >> [root at media ~]# /root/bin/tzap -c /root/.tzap/channels.conf -r 'five'
> >> using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
> >> tuning to 561833330 Hz
> >> video pid 0x0000, audio pid 0x0caa
> >> status 01 | signal 3838 | snr f763 | ber 0000089c | unc 00000000 |
> >> status 01 | signal 3939 | snr f763 | ber 0000089c | unc 00000000 |
> >> status 1f | signal 3a3a | snr ffd6 | ber 00000029 | unc 00000000 |
> >> FE_HAS_LOCK
> >> status 1f | signal 3939 | snr ffff | ber 00000000 | unc 0000000b |
> >> FE_HAS_LOCK
> >> status 1f | signal 3939 | snr ffff | ber 00000000 | unc 00000000 |
> >> FE_HAS_LOCK
> >
> > What happens if you start tzap like that and then
> >
> > cat /dev/dvb/adapter0/dvr0 > five.ts
> >
> > ... kill it after a while and then ls -l five.ts to see if
> > you got anything? If you did, you can use mencoder to
> > convert it to something else (or view the ts with mplayer).
> 
> tzap tune works fine - but I get nothing on a 'cat' either.

But presumably if you use the above recipe with one of you
"OK" channels, you do get a transport stream in the file? If
so, then you can rule out mplayer as a source of the problem
altogether.

> 
> no output at all! 

Anything in /var/log/messages?


-- 
Jón Fairbairn                              Jon.Fairbairn at cl.cam.ac.uk






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