[vdr] LNB-sharing-patch and zapping

[Roland Behme <rb@nugman.de>]

Hi,

I added a budget-card to my VDR and experienced some strange behavior
when zapping:

It seems that zapping from a channel with horizontal polarisation to a
vertical one (or vice versa) takes a lot of time (~4-5 sec.). Zapping
from one vertical channel to another goes as fast as usual (<1 sec.).

Legend:

 1 ARD:11836:H:S19.2E:27500:101:102:104:0:28106:0:0:0
 2 ZDF:11953:H:S19.2E:27500:110:120;125:130:0:28006:0:0:0
 3 Sat 1:12480:V:S19.2E:27500:1791:1792;1795:34:0:46:0:0:0
 4 RTL:12187:H:S19.2E:27500:163:104:105:0:12003:0:0:0
 5 Pro 7:12480:V:S19.2E:27500:255:256;257:32:0:898:0:0:0
 6 Kabel 1:12480:V:S19.2E:27500:511:512:33:0:899:0:0:0
 7 VOX:12187:H:S19.2E:27500:167:136:71:0:12060:0:0:0
 8 RTL2:12187:H:S19.2E:27500:166:128:68:0:12020:0:0:0
 9 Super RTL:12187:H:S19.2E:27500:165:120:65:0:12040:0:0:0
10 NDR:12109:H:S19.2E:27500:2401:2402:2404:0:28226:0:0:0

Here is some logging:

Mar 18 11:54:52 vdr vdr[1971]: switching to channel 1
Mar 18 11:54:53 vdr vdr[1971]: switching to channel 2
Mar 18 11:54:53 vdr vdr[2017]: transfer thread started (pid=2017)
Mar 18 11:54:53 vdr vdr[2018]: receiver thread started on device 1 (pid=2018)
Mar 18 11:54:59 vdr vdr[1971]: switching to channel 3
Mar 18 11:54:59 vdr vdr[2017]: transfer thread ended (pid=2017)
Mar 18 11:54:59 vdr vdr[2018]: receiver thread ended on device 1 (pid=2018)
Mar 18 11:54:59 vdr vdr[1971]: buffer stats: 35532 (0%) used
Mar 18 11:54:59 vdr vdr[2019]: transfer thread started (pid=2019)
Mar 18 11:54:59 vdr vdr[2020]: receiver thread started on device 1 (pid=2020)
Mar 18 11:54:59 vdr vdr[1971]: switching to channel 4
Mar 18 11:54:59 vdr vdr[2019]: transfer thread ended (pid=2019)
Mar 18 11:55:00 vdr vdr[2020]: receiver thread ended on device 1 (pid=2020)
Mar 18 11:55:00 vdr vdr[1971]: buffer stats: 36284 (0%) used
Mar 18 11:55:05 vdr vdr[1971]: switching to channel 5
Mar 18 11:55:05 vdr vdr[2031]: transfer thread started (pid=2031)
Mar 18 11:55:05 vdr vdr[2032]: receiver thread started on device 1 (pid=2032)
Mar 18 11:55:05 vdr vdr[1971]: switching to channel 6
Mar 18 11:55:05 vdr vdr[2031]: transfer thread ended (pid=2031)
Mar 18 11:55:05 vdr vdr[2032]: receiver thread ended on device 1 (pid=2032)
Mar 18 11:55:05 vdr vdr[1971]: buffer stats: 9588 (0%) used
Mar 18 11:55:05 vdr vdr[1971]: switching to channel 7
Mar 18 11:55:06 vdr vdr[1971]: switching to channel 8
Mar 18 11:55:06 vdr vdr[1971]: switching to channel 9
Mar 18 11:55:11 vdr vdr[1971]: switching to channel 10

As you can see there is a gap of 4-6 seconds when switching from 2 to
3 and from 4 to 5.

I use VDR 1.2.5 with LNB-sharing-patch and DVB-driver from 2003-11-08.
With only one card everything works fine.

Any idea to overcome this?

Regards,
 Roland

-- 
...who is that General Failure, and why is he reading my harddisk?




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