On Sun, Jun 3, 2012 at 12:08 AM, Igor Cicimov <span dir="ltr"><<a href="mailto:icicimov@gmail.com" target="_blank">icicimov@gmail.com</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="HOEnZb"><div class="h5">On Sat, Jun 2, 2012 at 12:52 AM, Michael Watson <span dir="ltr"><<a href="mailto:michael@thewatsonfamily.id.au" target="_blank">michael@thewatsonfamily.id.au</a>></span> wrote:<br>
<div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
On 1/06/2012 10:33 PM, Igor Cicimov wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>
On Fri, Jun 1, 2012 at 9:41 AM, Michael Watson <<a href="mailto:michael@thewatsonfamily.id.au" target="_blank">michael@thewatsonfamily.id.au</a> <mailto:<a href="mailto:michael@thewatsonfamily.id.au" target="_blank">michael@<u></u>thewatsonfamily.id.au</a>>> wrote:<br>
<br>
On 31/05/2012 3:42 PM, Igor Cicimov wrote:<br>
<br>
On Thu, May 31, 2012 at 3:20 PM, Michael T. Dean<br>
<<a href="mailto:mtdean@thirdcontact.com" target="_blank">mtdean@thirdcontact.com</a> <mailto:<a href="mailto:mtdean@thirdcontact.com" target="_blank">mtdean@thirdcontact.<u></u>com</a>><br></div>
<mailto:<a href="mailto:mtdean@thirdcontact.com" target="_blank">mtdean@thirdcontact.<u></u>com</a><div><div><br>
<mailto:<a href="mailto:mtdean@thirdcontact.com" target="_blank">mtdean@thirdcontact.<u></u>com</a>>>> wrote:<br>
<br>
On 05/31/2012 12:53 AM, Michael Watson wrote:<br>
<br>
On 31/05/2012 11:45 AM, Igor Cicimov wrote:<br>
<br>
I noticed that after upgrade to Mythtv 0.24 the channel<br>
tuning is awful. I'm using Leadtek DVB-T DTV2000H<br>
(using<br>
the digital receiver only) and the card was working<br>
fine<br>
for years on 0.20 and later for couple of months on<br>
0.23-fixes. After upgrade to 0.24-fixes it can't<br>
scan half<br>
of the DVB-T channels in Sydney and recording on it is<br>
practically impossible. The distro is Mythbuntu<br>
10.04 with<br>
the latest kernel from the repo (which I think is<br>
2.6.35<br>
but not sure I'm not at home now to check).<br>
<br>
What has changed in Mythtv to affect this card so<br>
badly?<br>
Anything I can do to improve the performance? And<br>
yes, I<br>
tried deleting all the cards,inputs,sources etc in the<br>
backend and recreating again but no changes. Or<br>
maybe the<br>
kernel driver cx88xx in the latest kernels does not<br>
play<br>
good with this card any more?<br>
<br>
Before rolling back to 0.23 I'll try to check the card<br>
performance outside Mythtv. In meantime, any<br>
suggestions<br>
to solve this highly appreciated.<br>
<br>
I had to increase the Tuning Timeout. 3000ms seemed to<br>
work<br>
well for me in Melbourne.<br>
<br>
<br>
Good advice. I highly recommend a minimum of 3000ms/5500ms for<br>
tuning and signal timeouts.<br>
<br>
Mike<br>
<br>
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<br>
<br>
<a href="http://www.mythtv.org/mailman/listinfo/mythtv-users" target="_blank">http://www.mythtv.org/mailman/<u></u>listinfo/mythtv-users</a><br>
<br>
<br>
Yep that's also one thing that I tried. I had them set to 6s<br>
and 10s respectively which didn't happened at all, it just<br>
made scanning the whole channel range last longer.<br>
<br>
Any other ideas? I'll try 0.25-fixes tonight if I have some<br>
time, I've read the LiveTV has been much improved in this release.<br>
<br>
Thanks,<br>
Igor<br>
<br>
When C31 first went digital, I was unable to successfully scan<br>
using mythtv, in order to get it to scan, I had to use w_scan to<br>
create an 'initial tuning-data' file, then use scan (from<br>
dvb-utils) to create a channels.conf file, then import the<br>
channels.conf file into MythTV. Once this process was complete,<br>
it all worked fine. But at some point there was an issue with<br>
channels.conf import into MythTV I believe, not sure if it has<br>
been fixed or not in 0.24.<br>
<br>
Another option, if you have another card, is to use the non<br>
Leadtek card to do the channel scan, and connect the Leadtek to<br>
the same video source.<br>
<br>
Michael<br>
<br>
<br>
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<br>
<br>
Hi Michael,<br>
<br>
How do you import the channels.conf file into MythTV?<br>
<br>
Thanks,<br>
Igor<br>
</div></blockquote>
<br>
mythtv-setup -> Input Connections -> Scan Channels -> *Scan Type: Import Channels.conf*<div><div><br>
<br>
<br>
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</div></div></blockquote></div><br></div></div>Ok, I upgraded to 0.25-fixes-20120601 and some channels work now. I can't get decent picture on Gem,Go,Channel9,Extra and they lock the frontend so I have to restart it. During the upgrade I also got some compile error for python bindings some IndentationError on dataheap.py. Also looks like every time I update Mythtv I have to delete the card in the backend setup and start the scan all over again.<span class="HOEnZb"><font color="#888888"><br>
<br>Igor<br>
</font></span></blockquote></div><br>Ah, forgot to mention that I experienced frontend crash and auto restart but it happened before I updated to the current fixes from 1st of June. Some error 139 flashed on the bottom on the screen immediately after the crash, I guess the frontend segfaulted.<br>
<br>Also I use Shepherd for xml grabber, not really important but just to state it for the sake of completeness.<br><br>Igor<br>