Re: [mythtv-users] XvMC works in xine, but not Myth

2005-06-06 Thread Joe Barnhart


--- Donavan Stanley <[EMAIL PROTECTED]> wrote:


> No you missed the fact that I don't bother to read the users list all
> that often.  You've also apparently missed the HDTV playback
> performance threads Jarod Wilson started as well.

Sorry, I'm not trying to be a putz.  I read all atsc threads
assiduously.
 
> I play everythign back on a 720p display so I use a 720p modeline. 
> Given that the scaling is all done on the video hardware it doesn't
> matter all that much what the ouput resolution is for the CPU as long
> as it can decode the various resolutions.

My experience with my 1080i modeline is that 720p material takes
measurably less CPU than 1080i material.  This is using Xv, not XvMC,
on a nVidia 5700 card.

> I do have some  stuff I know is 1080i sitting around to be watched,
> I'll try it out just to be sure once my wife is done with the TV. 
> It's possible that everything else I record in highdef is 720p but I
> doubt it.

I will watch for the conclusions of your experiments.

Joe




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Re: [mythtv-users] XvMC works in xine, but not Myth

2005-06-05 Thread Donavan Stanley
On 6/5/05, Joe Barnhart <[EMAIL PROTECTED]> wrote:
> > --- Donavan Stanley <[EMAIL PROTECTED]> wrote:
> >
> > > For instance, I've had zero issues with my Celeron 2.5ghz
> > > frontend.
> >
> > I have seen your numerous posts regarding your success with a 2.5G
> > Celeron.  But I have not seen many others duplicate your success.  I
> > asked you a long time ago if you are playing back on a 720p or 1080i
> > modeline, but I missed the reply.
> 
> I guess I missed that reply again.

No you missed the fact that I don't bother to read the users list all
that often.  You've also apparently missed the HDTV playback
performance threads Jarod Wilson started as well.

I play everythign back on a 720p display so I use a 720p modeline. 
Given that the scaling is all done on the video hardware it doesn't
matter all that much what the ouput resolution is for the CPU as long
as it can decode the various resolutions.

I do have some  stuff I know is 1080i sitting around to be watched,
I'll try it out just to be sure once my wife is done with the TV. 
It's possible that everything else I record in highdef is 720p but I
doubt it.
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Re: [mythtv-users] XvMC works in xine, but not Myth

2005-06-05 Thread Joe Barnhart


--- Joe Barnhart <[EMAIL PROTECTED]> wrote:

> 
> 
> --- Donavan Stanley <[EMAIL PROTECTED]> wrote:
> 
> > For instance, I've had zero issues with my Celeron 2.5ghz
> > frontend.
> 
> I have seen your numerous posts regarding your success with a 2.5G
> Celeron.  But I have not seen many others duplicate your success.  I
> asked you a long time ago if you are playing back on a 720p or 1080i
> modeline, but I missed the reply.  

I guess I missed that reply again.




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Re: [mythtv-users] XvMC works in xine, but not Myth

2005-06-03 Thread Joe Barnhart


--- Donavan Stanley <[EMAIL PROTECTED]> wrote:

> For instance, I've had zero issues with my Celeron 2.5ghz
> frontend.

I have seen your numerous posts regarding your success with a 2.5G
Celeron.  But I have not seen many others duplicate your success.  I
asked you a long time ago if you are playing back on a 720p or 1080i
modeline, but I missed the reply.  

I think playing 1080i content on a 1080 device must present a higher
load because I have tried all manner of combinations, and I can't get
satisfactory results without throwing lots of horsepower at it.  XvMC
could be a solution, but I have never gotten it to work satisfactorily
on one of my systems.  I see many encouraging posts on the dev list so
I'm hopeful my luck will change soon with respect to XvMC.


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Re: [mythtv-users] XvMC works in xine, but not Myth

2005-06-03 Thread Donavan Stanley
On 6/3/05, Joe Barnhart <[EMAIL PROTECTED]> wrote:
> I don't understand how you're able to play HDTV on a 1800 processor.  I
> have not heard of much success playing back HDTV streams with anything
> short of a 3GHZ HT P4.  (I replaced my Athlon with this exact
> combination and I can finally watch 1080i streams on a 1080i TV without
> stuttering or playback problems.)

Then you haven't been readying this list since it's been talked about
a LOT.   For instance, I've had zero issues with my Celeron 2.5ghz
frontend.
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Re: [mythtv-users] XvMC works in xine, but not Myth

2005-06-03 Thread Ray Lischner
On Thursday 02 June 2005 01:00 am, Michael Haan wrote:

> There are at least two other current threads talking about this right
> now.  You may find your answers there (unlike some of us).

Thanks for the tips. This list is such high volume, it is easy to miss
important threads. I was able to track down the problem: I forgot to
rerun configure after installing the nVidia XvMC. Thus, I built Myth
without any knowledge of them. I've rebuilt Myth to use XvMCW, and all
is well.
-- 
Ray Lischner, author of C++ in a Nutshell
http://www.tempest-sw.com/cpp

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Re: [mythtv-users] XvMC works in xine, but not Myth

2005-06-03 Thread Joe Barnhart


--- Isaac Richards <[EMAIL PROTECTED]> wrote:

> If a 1800+ can play back 720p smoothly (ie, my machine) in non-Xv
> mode, why 
> would a 2000+ not be able to?

I've had problems with HDTV playback on Athlon 2500 processors, too. 
Are you playing back a 720p stream on an output device set to 720p?  

I don't understand how you're able to play HDTV on a 1800 processor.  I
have not heard of much success playing back HDTV streams with anything
short of a 3GHZ HT P4.  (I replaced my Athlon with this exact
combination and I can finally watch 1080i streams on a 1080i TV without
stuttering or playback problems.)


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Re: [mythtv-users] XvMC works in xine, but not Myth

2005-06-02 Thread Michael Haan
On 6/2/05, Ray Lischner <[EMAIL PROTECTED]> wrote:
> On Thursday 02 June 2005 09:41 am, Isaac Richards wrote:
> 
> > If a 1800+ can play back 720p smoothly (ie, my machine) in non-Xv
> > mode, why would a 2000+ not be able to?
> 
> I don't know. All I know is that before I installed XvMC, xine playback
> was choppy with many dropped frames. After I installed XvMC, playback
> was smooth.
> --
> Ray Lischner, author of C++ in a Nutshell
> http://www.tempest-sw.com/cpp
> 
> 
> 
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> 
> 

I'm working through these issues as well.  My AMD64 3800 shows very
little CPU usage watching ripped DVDs (maybe this isn't a useful
datapoint also, I don't know if my xine uses xvmc or not).  However,
playing HD (without xine) pushes the cpu to 98+% and playback is
lerchy.  Enabling "extra audio buffering" has the cpu still pegged,
but seems to make the playback smooth.
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Re: [mythtv-users] XvMC works in xine, but not Myth

2005-06-02 Thread Ray Lischner
On Thursday 02 June 2005 09:41 am, Isaac Richards wrote:

> If a 1800+ can play back 720p smoothly (ie, my machine) in non-Xv
> mode, why would a 2000+ not be able to?

I don't know. All I know is that before I installed XvMC, xine playback
was choppy with many dropped frames. After I installed XvMC, playback
was smooth.
-- 
Ray Lischner, author of C++ in a Nutshell
http://www.tempest-sw.com/cpp

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Re: [mythtv-users] XvMC works in xine, but not Myth

2005-06-02 Thread Isaac Richards
On Wednesday 01 June 2005 11:55 pm, Ray Lischner wrote:
> I've been putting together my first Myth box. I intend it to be purely a
> backend, but until I am ready to build a WAF-ready frontend, I am using
> it as a frontend for testing purposes. To that end, I bought an nVidia
> FX5200 card (Asus). Thus, the specs are: Athlon XP 2000+, 256MB RAM,
> Asus A7V8X-X mainboard, nVidia FX 5200, and two HD-3000 cards, running
> Suse 9.3 (with pcHDTV 2.0 DVB drivers, xine-lib 1.0.1 instead of the
> crippled Suse version, latest nVidia drivers & XvMC, XvMCW 0.9.3, and
> Myth 0.18.1).
>
> I can record shows, and use xine to playback the individual .nuv files.
> So I know playback works, and XvMC works. (Otherwise, an XP 2000 would
> not be able to playback 720i smoothly.)

If a 1800+ can play back 720p smoothly (ie, my machine) in non-Xv mode, why 
would a 2000+ not be able to?

Isaac
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Re: [mythtv-users] XvMC works in xine, but not Myth

2005-06-01 Thread Michael Haan
On 6/1/05, Ray Lischner <[EMAIL PROTECTED]> wrote:
> I've been putting together my first Myth box. I intend it to be purely a
> backend, but until I am ready to build a WAF-ready frontend, I am using
> it as a frontend for testing purposes. To that end, I bought an nVidia
> FX5200 card (Asus). Thus, the specs are: Athlon XP 2000+, 256MB RAM,
> Asus A7V8X-X mainboard, nVidia FX 5200, and two HD-3000 cards, running
> Suse 9.3 (with pcHDTV 2.0 DVB drivers, xine-lib 1.0.1 instead of the
> crippled Suse version, latest nVidia drivers & XvMC, XvMCW 0.9.3, and
> Myth 0.18.1).
> 
> I can record shows, and use xine to playback the individual .nuv files.
> So I know playback works, and XvMC works. (Otherwise, an XP 2000 would
> not be able to playback 720i smoothly.)
> 
> But when I try to use Myth for playback, the frontend complains:
> 
> Using XvMC version: 1.0
> XvMC found and using IDCT surface
> 2005-06-01 23:04:52.715 Using XV port 177
> Direct Rendering is not avilable on this system!
> Unable to create XvMC Context return status:11 BadAlloc
> 
> Any ideas or suggestions?
> --
> Ray Lischner, author of C++ in a Nutshell
> http://www.tempest-sw.com/cpp
> 
> 
> 
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> 

There are at least two other current threads talking about this right
now.  You may find your answers there (unlike some of us).  Search on
XvMC - you'll find them.  Otherwise, welcome to the fold.
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[mythtv-users] XvMC works in xine, but not Myth

2005-06-01 Thread Ray Lischner
I've been putting together my first Myth box. I intend it to be purely a
backend, but until I am ready to build a WAF-ready frontend, I am using
it as a frontend for testing purposes. To that end, I bought an nVidia
FX5200 card (Asus). Thus, the specs are: Athlon XP 2000+, 256MB RAM,
Asus A7V8X-X mainboard, nVidia FX 5200, and two HD-3000 cards, running
Suse 9.3 (with pcHDTV 2.0 DVB drivers, xine-lib 1.0.1 instead of the
crippled Suse version, latest nVidia drivers & XvMC, XvMCW 0.9.3, and
Myth 0.18.1).

I can record shows, and use xine to playback the individual .nuv files.
So I know playback works, and XvMC works. (Otherwise, an XP 2000 would
not be able to playback 720i smoothly.)

But when I try to use Myth for playback, the frontend complains:

Using XvMC version: 1.0
XvMC found and using IDCT surface
2005-06-01 23:04:52.715 Using XV port 177
Direct Rendering is not avilable on this system!
Unable to create XvMC Context return status:11 BadAlloc

Any ideas or suggestions?
-- 
Ray Lischner, author of C++ in a Nutshell
http://www.tempest-sw.com/cpp

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