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1
Sundtek MediaTV Pro (Europe) / Re:Low signal quality
« am: Dezember 24, 2009, 08:54:22 Vormittag »
I closed down mythtv, the cpu was about idle when I tried this.

I attached the requested logfile, it is a bit boring ;-)

I have only tried this channel, due to the fact that it is the only one which is unencrypted. But tuning to other channels give around the same numbers with czap.


2
Sundtek MediaTV Pro (Europe) / Low signal quality
« am: Dezember 23, 2009, 11:03:41 Nachmittag »
The new driver does not crash my mediasrv anymore :)

But I have a problem with my signal quality. The 2 DVB-C PCI cards I'm using are giving perfect streams. But when I try to capture from the dvb input, I get a very distored screen. I've disconnected the other cards and using the same input cables as for those cards, so the quality of the line signal must be OK. Czap reports:

status 1b | signal ffdc | snr 0000 | ber 00007fa9 | unc 0308cf08 | FE_HAS_LOCK

when I'm using lower signal quality cables, the signal ffdc lowers to e000 or b000, but in all cases the ber is still above 0.

mplayer reports:
...
[mpeg2video @ 0x7fc86012ca80]ac-tex damaged at 21 23
[mpeg2video @ 0x7fc86012ca80]skipped MB in I frame at 42 28
[mpeg2video @ 0x7fc86012ca80]ac-tex damaged at 8 29
[mpeg2video @ 0x7fc86012ca80]ac-tex damaged at 26 33
[mpeg2video @ 0x7fc86012ca80]concealing 405 DC, 405 AC, 405 MV errors
[mpeg2video @ 0x7fc86012ca80]ac-tex damaged at 26 20  1% 199.5% 52 0
[mpeg2video @ 0x7fc86012ca80]invalid mb type in B Frame at 17 21
[mpeg2video @ 0x7fc86012ca80]ac-tex damaged at 11 32
[mpeg2video @ 0x7fc86012ca80]concealing 135 DC, 135 AC, 135 MV errors
...

See the attached screenshow of the best quality I can get..

Any ideas how to improve the quality?


3
Sundtek MediaTV Pro (Europe) / unable to lock and segfault mediasrv
« am: Dezember 18, 2009, 03:53:18 Nachmittag »
I have a system with 2 existing PCI DVB-C cards (adapter0 and 1).
I installed the USB stick and the latest software (nov 30) as adapter 2.

Switching to DVB-C goes fine, but when trying to use czap to tune to a channel, my mediasrv crashes:

[ 1100.451890] mediasrv[6772]: segfault at 94d000 ip 00007f9e345a28af sp 00007f9e2fb0cef8 error 4 in libc-2.10.1.so[7f9e34520000+166000]

Using the latest ubuntu 9.10 64 bits.
Linux alpha 2.6.31-16-generic #53-Ubuntu SMP Tue Dec 8 04:02:15 UTC 2009 x86_64 GNU/Linux

Trying to use mythtv does not work either :(

Any hints on how to solve this?



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