[linux-dvb] Re: framedrops and fragments with SS2 and DVB-1.0.0.final

[Peter Schildmann <peter.schildmann@web.de>]

Hi Tobias,

On Tue, Aug 05, 2003 at 09:58:24AM +0200, Tobias Faust wrote:
> mephisto:/usr/local/vdr/DVB/apps/szap # ./szap -c
> /video/channels.conf -n 2
> reading channels from file '/video/channels.conf'
> zapping to 'Das Erste':
> sat 0, frequency = 11836 MHz H, symbolrate 27500000, vpid =
> 0x0065,apid = 0x0066
> using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
> status 00 | signal 3e40 | snr 7f21 | ber 00000000 | unc 00000000 |
> status 1b | signal 3e83 | snr b95d | ber 00000000 | unc 00000000 | FE_HAS_LOCK
> status 1b | signal 3e87 | snr b819 | ber 00000000 | unc 00000000 | FE_HAS_LOCK

Looks good. Lower signals should cause ber values (bit error rate) greater 0.
If the signal is too low you should see unc (uncorrected block count) values
greater 0 and fragments in your video. You can check this out by putting
a wet towel in front of your dish.

(Both BER and UNC are correctly implemented in the mt312 frontend driver.)

Peter


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