[mythtv-users] 0.19, VIA, XvMC, Ezra/i586 - video

[Jules Gosnell]

Calin Brabandt wrote:
>>Date: Fri, 04 Aug 2006 13:37:05 +0100
>>From: Jules Gosnell <jules at coredevelopers.net>
>>Subject: Re: [mythtv-users] 0.19, VIA, XvMC,
> 
> Ezra/i586 - video
> 
>>	corrupted - image enclosed
>>To: Discussion about mythtv <mythtv-users at mythtv.org>
>>Message-ID: <44D33F71.1010500 at coredevelopers.net>
>>Content-Type: text/plain; charset=ISO-8859-1;
> 
> format=flowed
> 
>>Daniel Kristjansson wrote:
>>
>>>On Fri, 2006-08-04 at 10:32 +0100, Jules Gosnell
> 
> wrote:
> 
>>>>OK - so you have a PVR-250 in your frontend, no
> 
> backend, 'VIA XvMC', 
> 
>>>>enabled in setup and video plays back fine ?
>>>>
>>>>I have a pair of Nova-T's in my backend and
> 
> enabling 'VIA XvMC'
> 
>>>>results in the problem described.
>>>
>>>
>>>VIA XvMC does not support most MPEG-2 streams. It
> 
> only decodes
> 
>>>a subset of valid MPEG-2 streams. The PVR-250
> 
> recorder can be
> 
>>>configured to only generate streams that VIA XvMC
> 
> can support,
> 
>>>but the Nova-T can not.
>>>
>>>There is a long standing effort by the OpenChrome
> 
> developers to
> 
>>>extend the VIA driver to support standard XvMC
> 
> acceleration. If
> 
>>>you can program, it would be a good idea to join
> 
> their mailing
> 
>>>list and help them get it done.
>>>
>>>The thing to try first is to install MythTV and
> 
> OpenChrome from
> 
>>>the development versions to see if this is
> 
> something that has
> 
>>>already been fixed.
>>>
>>>-- Daniel
>>>
>>
>>:-(
>>
>>Daiel,
>>
>>Thanks for coming back to me with this - it will save
> 
> me a lot of time.
> 
>>I shall go straight to the openchrome list and find
> 
> out what the 
> 
>>current 
>>situation is.
>>
>>I'll report back to this thread if/when I find a
> 
> solution.
> 
>>
>>thanks again,
>>
>>
>>Jules
>>
> 
> 
> I've not had much with Via XvMC on 0.19.  I can't get
> XvMC HD to work with my Unichrome Pro chipset (ECS
> P4M800M Pro mobo) despite trying several builds from
> svn of Myth, Openchrome, and DRM on various occasions
> over the last couple of months.  I'm on FC5 but have
> thought about trying Mandriva for the built-in
> Openchrome supoort.  VLD appears to be broken and I
> get blank screen with audio only on SD channels.  This
> has been reported elsewhere and I've yet to find a
> solution.
> 
> Please let us know if you find any solutions or hints,
> Jules.
> 

Will do, Cal - although I've had a posting sitting on openchrome-user 
for 2-3 days and no-one has come back to me... :-(

Jules

> -Cal
> 
> 
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-- 
"Open Source is a self-assembling organism. You dangle a piece of
string into a super-saturated solution and a whole operating-system
crystallises out around it."

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