[mythtv-users] Finally updated my system, but VDPAU doesn't work

[backuppc at sundquist.imapmail.org]

> On Mon, Oct 19, 2015, at 09:53 PM,
> backuppc at sundquist.imapmail.org wrote:
>>
>> <<SNIP the rest of this stuff>>
>>
>> That quoted stuff above is just a blast from the past  when I got a
>> new video card.  I had been happily running mythbuntu 10.04 LTS the
>> last five years except it was starting to get less happy as it got
>> long in the tooth (i.e. live tv didn't work any more, had troubles
>> running newer browsers when I wanted to watch through-the-browser
>> streaming stuff.)  I did the "if  it ain't broke, don't fix it" for
>> as long as I could, but it was time.
>>
>> The mythbuntu update wouldn't run (too old I guess) and clean
>> installs are better so I downloaded  both 12.04 LTS and 14.04 LTS.  I
>> could only get the 12.04 DVD to boot however, and that was after I
>> figured out to add acpi=off and irqpoll to the boot options.  So I
>> now have only a three year old system ;-)
>>
>> I restored a backup of my old 10.04 system and mythtv upgraded the
>> database and I had a new system.  However, I could not get it to play
>> any shows.  I'd get a couple of seconds of sound, then some more, and
>> then nothing, with Xorg taking up 100% of a core.  I had to ssh to
>> reboot - only option.
>>
>> Looking at the logs, I see that it was timing out waiting for video
>> buffers.  I did a search on this and the few instances I saw didn't
>> seem to apply.
>>
>> Finally, I switched from VDPAU (normal) to OpenGL for playback and
>> everything worked.  So yes, I can watch my shows now.  However, I
>> have to turn the volume  up since the fan starts churning keeping the
>> CPU cool.  This processing is supposed to be done on the card, but I
>> can't get it to work.  I quoted my 6-year-old message above to
>> indicate that yes, this card does indeed work with VDPAU (or at least
>> it did back then).
>>
>> To try the usual suspects, I activated the fixes options and upgraded
>> all the way to Myth 0.27 (12.04 is just 0.25 normally).  I did a
>> complete dist-upgrade so I have everything latest (at least for the
>> old LTS release).  I am running the 304 driver, and vdpauinfo says I
>> have VDPAU available.
>>
>> The only thing I can think of is that card has only 512 MB of on
>> board memory.  Has the minimum gone up to 1 GB in the last few years?
>>
>> The motherboard/CPU is old (core 2 duo), but that shouldn't be
>> a problem, since even atoms work so long as you have a good
>> nvidia card.
>>
>> Any suggestions welcome!
>>
>> Thanks.
>>
>> JS.
>>
>> If it is insufficient memory, maybe it's time for this:
>> http://www.newegg.com/Product/Product.aspx?Item=N82E16814125427&cm_re=nvidia_gt610-_-14-125-427-_-Product

On Mon, 19 Oct 2015 21:53:58 -0400, stephen_agent at jsw wrote: 

> Check what setting you are using for Settings > Appearance > Paint
> Engine. Try changing it to Auto.

Thanks, will check that tonight.

On Mon, 19 Oct 2015 21:53:58 -0400, Mike Perkins wrote: 

>
> If "the motherboard/CPU is old", then I would check whether this card
> is going to fit your board. Did you need PCI Express or PCI? What
> revision of PCI Express?
>
> Also, check if you have room for the heat sink. That thing looks
> chunky. There are similar boards around which may fit better.

Old, but not that old.

This is what I have in there now (also a PCIe 2.0 x16 slot):

http://www.newegg.com/Product/Product.aspx?Item=N82E16814127454

Also with a pretty chunky heat sink.  Don't like that fan noise!

J.S.
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