[mythtv-users] intel and opengl playback

[R. G. Newbury]

Anthony wrote:
> On Wed, Jan 14, 2009 at 3:20 PM, R. G. Newbury <newbury at mandamus.org> wrote:
> 
>> Anthony wrote:
>>> On Sat, Dec 27, 2008 at 7:07 PM, Anthony Arobone <aaroboneml at gmail.com
>>> wrote:
>>>
>>>> As it turns out gentoo doesn't provide a use flag to enable the opengl
>>>> video renderer.  So i unmerged and compiled it by hand from the
>> release-0.21
>>>> branch from the wiki.  Now the opengl render works, but everything has a
>>>> green tint to the color.  If I use xv, it looks normal again.  Been
>>>> googling, but can't find anything on what would cause the
>> dis-colorization.
>>>> Content was recorded on a different backend and is fine.
>>>>
>>> Found on the mythtv wiki about the green monochrome when using intel
>>> drivers.
>>> http://www.mythtv.org/wiki/index.php/XvMC#Intel
>>>
>>> "Further revised August 25, 2008: It appears that xvmc only works for
>> frames
>>> less than 720x568 in size. For larger frames, xvmc appears to work, but
>> the
>>> picture is a bright monochrome green, like night vision goggles."
>>>
>>> This is slighting incorrect...err well, not what I'm seeing.  I'm not
>> using
>>> XvMC.  I'm just using the opengl renderer, and its green for all content,
>>> not just for frames larger then 568.
>> This is not slightly incorrect. What you are seeing is ...err, well what
>> you are seeing. The xvmc setup I was describing did not and does not use
>> any opengl. These are completely different problems with similar
>> symptoms. And the xvmc problem is not just a slight tint to the color;
>> it is a bright green/black pixelated picture. And you can only get it by
>>  re-compiling the intel driver with revised frame sizes in the xvmc
>> branch. Which I am sure you did not do.
>>
>> As for what is causing your problem...must be global warming 'cause it's
>>  green.....
>>
>> Fixing it is easy. Use xv. As your mother used to say to you: Don't *DO*
>> that!.
>>
>>
>>
>> Geoff
>>
> 
> wow, jump down my throat. I didn't mean to offend you, I was just stating
> the differences in what I was seeing and what I read on the wiki.  
> 
Sorry. I didn't mean that you should take it that way. My bad. I was 
just trying to say (badly) that the xvmc problem and your opengl problem 
are quite different in source (and likely in resolution) although the 
sympton is similar. My apologies if you thought I was jumping on you.

Geoff




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