[mythtv-users] Trouble with DVB-T cards or software -- no
simon at businesswebsite.com
Mon Jun 6 13:58:58 UTC 2005
I have been having a lot of trouble trying to make DVB-T cards
work properly with dvb tools etc. for use with mythtv....
I have 2 cards, for which EXACTLY THE SAME PROBLEM applies to
either (using only 1 card in machine at any time)...
One card is an (apparently supported) V-STREAM dvb-T card
with a CX23883-19 IC...
The other card is an "LR6650" which apparnetly work according
I have been using a gentoo system, and have tried various
kernel builds with no success. I have used the
bytesex.org kenrel patch to make such kernels in the
The kernel I have made work, and the modules loaded etc.
show that the card has been detected and the FRONTEND
has been registered okay (slightly different messages
with the 2 slightly-different-cards).
In any case, after (I'm sure) loading all the right modules
etc... from reading various pages/information --
I build linuxtv.org 'dvb-apps' CVS version fine and
use the "dvbscan" program on the dvb-t/uk-Mendip
This DVBSCAN usuall succeeds, occasionally failing with
a timeout, and produces a list of channels on the
MUX's available, successfully which shows me that
my DVB-T card must be working mostly. I used the output
of this scan redirected [or "tee"'ed] to create an
output channel-list file...
I then used tzap with -c parameter pointing to my
channel-list-config-file, the channel name in
double-quotes, and some other parameter (something
like "-xa" or similar -- to setup card/driver ready
for recieving by another program... Can't remember
the exact parameters now.
This quickly gives a few lines of FE_HAS_LOCK and
exits tzap (which I thought this is supposed to
leave the dvr0 device usable when tzap is no
I then try to cat
(expecting to recieve all the ""binary rubbish""
on that channel) -- and I get nothing!!
I am finding the same problem on both my cards
and various different kernels etc... I just
can't seem to get it to w0rk!
Am I doing something daft here?
Any help much appreciated out there..
--S Iremonger, BusinessWebsite <simon at businesswebsite.com>
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