[linux-dvb] avermedia dvb-t, mplayer, signal quality, remote control

[rob@phoenix.merseine.nu]

Hi,

I now have a picture from my avermedia dvb-t card!

I was having a problem because it seems the scan application I got out of 
CVS works differently to the documentation and instead of using settings 
in initial.h now loads settings from seperate config files in the 
dvb-t/s/c directories.

I copied one of the other files, uk-CrystalPalace, and substituted the 
frequency which I calculated for the BlackHill transmitter:
(41 * 8) + 306 * 1000 + 167

I have:
T 634167000 8MHz 2/3 NONE QAM64 2k 1/32 NONE

I don know what the other numbers mean, I tried to find some correlation 
to the transmitter data I have, but it didnt seem to make much sense ;)

So now I can tzap -r "BBC ONE Scot" and get data at /dev/dvb/adaptor0/dvr0.
I then tried to play the data with mplayer, but it kept hanging. I got the 
latest version that gentoo offers (1.0pre2-3.2.3) and I can play the data 
although mplayer sometimes segfaults.

The problem now is that the signal breaks up quite often making it quite 
unwatchable, so I thought I'd post some data I'm getting from tzap here 
and see if anyone can tell me what I can do about it.

Unfortunatly I live in a flat with a shared arial, so I'm not sure if I'll 
be able to get it upgraded if that's te problem.

ok here's BBC ONE Scot:
status 1f | signal ffff | snr 9e89 | ber 00000006 | unc 00000000 | FE_HAS_LOCK
status 01 | signal ffff | snr 9ea9 | ber 0000003f | unc ffffffff |
status 1f | signal ffff | snr 98e9 | ber 0003ffc7 | unc ffffffff | FE_HAS_LOCK
status 1f | signal ffff | snr 9709 | ber 00000007 | unc 00000000 | FE_HAS_LOCK
status 1f | signal ffff | snr 9849 | ber 00000008 | unc 00000000 | FE_HAS_LOCK
status 1f | signal ffff | snr 9bd9 | ber 00000005 | unc 00000000 | FE_HAS_LOCK

and UKHistory:
status 1f | signal ffff | snr 9249 | ber 00000005 | unc ffffffff | FE_HAS_LOCK
status 01 | signal ffff | snr 9519 | ber 0000004e | unc 0000000b |
status 01 | signal ffff | snr 9bf9 | ber 00000001 | unc 00000000 |

I dont know whether a shielded coax cable would give me a better signal?

I would also like to know if the remote that came bundled with the 
avermedia card can be used with lirc, how do I find out about that?

thanks,

Rob


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