no audio/video on /dev/dvb/adapter0/dvr0

[nagjames]

Hi All,

I recently purchased a TBS6892 card along with an FTA dish and LNB.
I managed to install the drivers and lock to a signal. For some reason I can’t see Galaxy 19 but to get things going I’m ok with SES-1 101W for now.
My problem is that mplayer is not playing the video/audio on interface /dev/dvb/adapter0/dvr0

root@nemo:/opt/TBS6982/szap-s2# uname -a
Linux nemo 3.11.0-15-generic #25~precise1-Ubuntu SMP Thu Jan 30 17:39:31 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
root@nemo:/opt/TBS6982/szap-s2#


Config file: james_szap-s2.conf
PEN3:11820:hC34M2O35S0:S101.0W:20000:410:400:0:0:3:2:101:0
PEN4:11820:hC34M2O35S0:S101.0W:20000:210:202:0:0:1:2:101:0

root@nemo:/opt/TBS6982/szap-s2# ./szap-s2 -c ./james_szap-s2.conf PEN3
reading channels from file './james_szap-s2.conf'
zapping to 12 'PEN3':
delivery DVB-S, modulation QPSK
sat 0, frequency 11820 MHz H, symbolrate 20000000, coderate 3/4, rolloff 0.35
vpid 0x019a, apid 0x0190, sid 0x0000
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
status 1f | signal 7426 | snr d709 | ber 03ffffaa | unc 00000000 | FE_HAS_LOCK
status 1f | signal c42b | snr 5c28 | ber 00000877 | unc 00000000 | FE_HAS_LOCK
status 1f | signal c3eb | snr 5c28 | ber 000005ef | unc 00000000 | FE_HAS_LOCK
status 1f | signal c3cb | snr 58be | ber 00000787 | unc 00000000 | FE_HAS_LOCK
status 1f | signal c3eb | snr 58be | ber 0000098c | unc 00000000 | FE_HAS_LOCK
status 1f | signal c3db | snr 5555 | ber 000009e7 | unc 00000000 | FE_HAS_LOCK
status 1f | signal c3ab | snr 58be | ber 00000be0 | unc 00000000 | FE_HAS_LOCK
status 1f | signal c3bb | snr 53a0 | ber 0000098a | unc 00000000 | FE_HAS_LOCK
status 1f | signal c3db | snr 53a0 | ber 00001045 | unc 00000000 | FE_HAS_LOCK


mplayer is not playing the stream while running szap-s2:

root@nemo:/home/jamesnagy/git/blindscan-s2# mplayer /dev/dvb/adapter0/dvr0
MPlayer svn r34540 (Ubuntu), built with gcc-4.6 (C) 2000-2012 MPlayer Team
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.

Playing /dev/dvb/adapter0/dvr0.


MPlayer interrupted by signal 2 in module: demux_open


MPlayer interrupted by signal 2 in module: demux_open


root@nemo:/home/jamesnagy/git/blindscan-s2# dd if=/dev/dvb/adapter0/dvr0 of=video.bin
^C0+0 records in
0+0 records out
0 bytes (0 B) copied, 5.60753 s, 0.0 kB/s

root@nemo:/home/jamesnagy/git/blindscan-s2#

looks like dvr0 is empty.
What could be the problem?
How can I troubleshoot this?


thanks,
James

[KirkWallace]

Hello James. I found that the szap-s2 command needs the -r flag in order to pass data out to mplayer. See viewtopic.php?f=156&t=8950

[nagjames]

Hi Kirk,

That was it !!
I've been pulling my hair out in the last two weeks.
I got some radio station's audio no picture yet but I've made great progress thanks to you.
Great post BTW.

[KirkWallace]

I'm glad you got it working ... well working better. Searching for bits and pieces from various forum posts, then trying every possible combination seems to be the only way forward, so far. The guys that know what they are doing seem to be pretty quiet.

Having a good signal helps when trying to sort this stuff out. I have the one meter version of this antenna: http://www.ebay.com/itm/201019568134 , but I'm looking at trying to get a bigger dish. The signal strength seems to be okay but a larger dish also has higher resolution, so that signals from neighboring satellites can be rejected better. On the other hand, dish aiming needs to be more precise. I have a 10 foot C-band dish that needs to be pulled out of the weeds, but I think I want to have Ku on a separate dish. I'd really like to make a six foot fiber glass dish.

Anyway, good luck on your quest.

[nagjames]

Finally I found Galaxy 19 and the reception is good.
In San Diego I’m using this 76cm dish:
http://www.amazon.com/FTA-Satellite-Dis ... m+dish+lnb

Working well.
The next one will be a bigger one 90cm for channel surfing.
Would be great to get a c band antenna but my wife wouldn't approve it in the garden. 

BTW can you recommend a blindscan tool which works with the TBS6892?