[mythtv-users] MythTV frontend + XVMC + AGP?

[Rich West]

sonofzev at iinet.net.au wrote:
> On Fri Mar 13 14:47 , Rich West  sent:
>
>   
>> sonofzev at iinet.net.au wrote:
>>     
>>> On Fri Mar 13 14:11 , Rich West  sent:
>>>   
>>>       
>>>> I just bit the bullet and upgraded all of my frontends to Fedora 10
>>>> (from Fedora 8), and I have found that I have to finally face the Nvidia
>>>> bug (http://www.nvnews.net/vbulletin/showthread.php\?t=118738\) with NvAGP
>>>> breaking XvMC.  Ugh.
>>>>
>>>> I had been rebuilding the 100.14.11 driver (the last good working
>>>> driver) under Fedora 8 by applying a patch to it.  Unfortunately, under
>>>> Fedora 10, I can't get it to compile.
>>>>
>>>> I thought I would fight with the latest driver.  It looks like the only
>>>> fix is to set NvAGP to 0, but the side effects of NvAGP disabled seem to
>>>> be reducing the WAF (choppy previews of HD recordings (due to higher CPU
>>>> utilization?), really really high cpu utilization and the resulting
>>>> video drag when skipping forward, backward, or auto commercial skipping).
>>>>
>>>> I know this isn't entirely mythtv related, but I was wondering if anyone
>>>> has had any luck with, possibly, compiling 100.14.11 under Fedora 10
>>>> (kernel 2.6.27.19)?
>>>>
>>>> -Rich
>>>>         
>>> Wow, 
>>>
>>> I don't use Fedora but that's a really really old driver version. 
>>> The current stable version on the nvidia site is 180.29. 
>>>
>>> Some distros even go into the Beta driver which is 180.37. 
>>>
>>> I suggest you try and download from nvidia directly. 
>>>
>>> http://www.nvidia.com/Download/index.aspx\?lang=en-us
>>>
>>>
>>>   
>>>       
>> I'm currently fighting with the latest stable driver, but as was
>> mentioned in http://www.mythtv.org/wiki/XvMC#NVIDIA_2, there has been a
>> bug present in the nvidia drivers that require nvagp to be disabled. 
>> With newer drivers, if nvagp is enabled, XVMC stops working.
>>
>> The last properly functioning driver for this feature was 100.14.11... :(
>>
>> -Rich
>>
>>
>> )
>>     
>
> Okay, sorry I misunderstood. I don't use XvMC as I found the cpu based
> de-interlacers gave a better picture (but I do trust VDPAU will be better).. 
>
> But it would depend on the CPU. If it is within 2 or 3 years old, you may just
> want to try CPU based de-interlacing. 
Thanks.  Even though the system is about 2.5 yrs old, it's not strong
enough to handle cpu-based decoding of HD video. :(  These three systems
are just AMD Athlon64 3300's with a gig of RAM.

I'm beginning to think I should have stayed at Fedora 8. :(

-Rich