[mythtv-users] Mac Mini Video Acceleration Question (h.264)

[doug at fawnanddoug.com]

> On Aug 13, 2009, at 10:08 AM, doug at fawnanddoug.com wrote:
>
>>> On Aug 13, 2009, at 6:54 AM, doug at fawnanddoug.com wrote:
>>>
>>>> Hi All,
>>>>
>>>> I have a Mac Mini (Intel core 2) that runs a MythTv frontend
>>>> (ubuntu).  It
>>>> can playback video from my HDHomeRun (which I believe is 1080 mpeg2)
>>>> just
>>>> fine.  It can also playback video from my HD-PVR (which I believe is
>>>> h.264) at 720 with no problems.  However, when I pump the resolution
>>>> on
>>>> the HD-PVR to 1080 the mac mini starts stuttering.  Even if I lower
>>>> the
>>>> bitrate, the mac mini can't keep up.
>>>>
>>>> Are there any options to help accelerate the video for the mac mini?
>>>> Specifically for h.264?  If not, is there anything emerging that I
>>>> could
>>>> help out with development (I'm a programmer but I have little video
>>>> experience)? I saw a link to VAAPI
>>>> (http://www.freedesktop.org/wiki/Software/vaapi) but I'm not sure if
>>>> my
>>>> chipset is supported or if it will help.
>>>
>>> VDPAU is the hardware acceleration you seek. This means running a
>>> development version of mythtv or the hackported (sorry Jean-Yves)
>>> version of 0.21 with VDPAU implemented.
>>>
>>
>> Hi Brad,
>>
>> Thanks for the quick response.  My understanding was that VDPAU only
>> worked on nvidia video cards
>
> And S3 cards with an S3 binary driver, apparently.
>
>> and that the Mac Mini has an intel chipset.
>
> Would have been good to mention that part in your first post. :) (I
> assumed that was the case though).
>
>
>> Is there a way to get VDPAU working with the Mac Mini?
>
> Not on yours, no.
>
> However, stay tuned... There *will* be an acceleration option to make
> that thing handle 1080p h.264 soonish...
>
> --
> Jarod Wilson
> jarod at wilsonet.com
>
>
>
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>

Hi Jarod,

Thanks also for the quick response.  I didn't realize that there were Mac
Minis that had nvidia chipsets.  Acceleration for the intel chipset is
definitely good news though - is there any way I can help with the dev?

Thanks again,
Doug