[mythtv-users] VIDIOCMCAPTURE0: Device or resource busy
David Madsen
david.madsen at gmail.com
Sun Aug 24 22:00:09 UTC 2008
> File to patch is libs/libmythtv/NuppelVideoRecorder.cpp
>
>
>>
>>
>> Final follow-up
>>
>> Problem solved.
>>
>> First, this does appear to be a kernel issue with bttv
>> and v4l1:
>> http://kerneltrap.org/mailarchive/linux-kernel/2008/8/4/2806884
>>
>> Using kernel version 2.6.24 works fine.
>>
>> In addition, patching mythtv to use v4l2 for bttv
>> cards allows it to
>> work with kernels >= 2.6.25. This also reduced my CPU
>> time while
>> recording from 40% to 25% (Sempron 2400+)
>>
>>
>> 932c932
>> < if (driver == "cx8800" || driver == "go7007"
>> || driver ==
>> "em28xx")
>> ---
>> > if (driver == "cx8800" || driver == "go7007"
>> || driver ==
>> "em28xx" || driver == "bttv")
>>
>> I have not yet experienced any channel changing errors
>> as documented
>> here:
>> http://www.mythtv.org/pipermail/mythtv-dev/2005-February/031229.html
I filed a bug for this issue a few weeks ago, but the changes haven't
been made in SVN yet. Feel free to add any relevant info to the bug
report.
http://svn.mythtv.org/trac/ticket/5608
--David Madsen
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