[mythtv-users] 350 for video playback

jose rubio debian at nc.rr.com
Thu Feb 26 07:18:31 EST 2004


On Wed, 2004-02-25 at 23:06, Brian Cecile wrote:
> Ok, simple question. What steps do I have to follow to get both installed? 
> I'm a complete Linux newbie and need very straight forward, step-by-step 
> instructions as I'm still learning. Seems that everytime I think I 
> understand something, a new switch gets thrown in and I have no idea what it 
> does. I'm in the middle of RTFM... I'm getting there =) Thanks all!
> 
> Brian
> 

If you are new to linux then you don't want to mess with those paches
just yet...  Give it a couple of weeks and then see how it's going or
even better, I hear that there is a 0.1.10 release of ivtv in the
works... that's what I'm waiting for.

-jose-


> >
> >Message: 1
> >Date: Wed, 25 Feb 2004 16:51:14 -0500
> >From: Blues Guy <bluesguy at stny.rr.com>
> >Subject: Re: [mythtv-users] 350 for video playback
> >To: Discussion about mythtv <mythtv-users at mythtv.org>
> >Message-ID: <403D18D2.7060806 at stny.rr.com>
> >Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> >
> >Darren Richards wrote:
> >
> > >----- Original Message -----
> > >From: "Joseph A. Caputo" <jcaputo1 at comcast.net>
> > >To: "Discussion about mythtv" <mythtv-users at mythtv.org>
> > >Sent: Sunday, February 22, 2004 7:53 AM
> > >Subject: Re: [mythtv-users] 350 for video playback
> > >
> > >
> > >
> > >
> > >>On Saturday 21 February 2004 16:43, Dan Boger wrote:
> > >>
> > >>
> > >>>I currently have our 350 set up on a P3-450MHz, and watching live TV, 
> >or
> > >>>playing back recordings is very simple.  However, when I try to use
> > >>>MythVideo, the playback is too slow to be viewable.  I understand 
> >that's
> > >>>because the ivtv driver isn't using the full hardware capabilities (as
> > >>>far as rgb->yuv), but I was wondering if anyone has any experience 
> >using
> > >>>a 350 on a faster machine (2GHz+), and if MythVideo was usable at that
> > >>>point?  Or do I just need to keep waiting until the ivtv driver 
> >develops
> > >>>more?
> > >>>
> > >>>If so, I can try to convince my wife we need a better myth server.
> > >>>
> > >>>Any suggestions welcome!
> > >>>
> > >>>
> > >>Unfortunately, the problem is not CPU-bound, except in the sense that 
> >you
> > >>
> > >>
> > >need
> > >
> > >
> > >>enough CPU to do the decoding... a P3-450 is on the low end of the scale
> > >>
> > >>
> > >for
> > >
> > >
> > >>full-screen DVD decoding.  However, a faster machine will not be much
> > >>
> > >>
> > >better,
> > >
> > >
> > >>because the real limiting factor is the ability of the 350's framebuffer
> > >>
> > >>
> > >to
> > >
> > >
> > >>display (non-MPEG) video.  The hardware is capable; the ivtv driver 
> >isn't
> > >>(yet).  I believe there's an mplayer patch to use the 350's decoder, 
> >which
> > >>should help for DVDs, but as yet there's nothing for non-MPEG-1/2 
> >streams
> > >>(i.e., divx/xvid).  Though some folks with fast enough machines have
> > >>
> > >>
> > >reported
> > >
> > >
> > >>being able to transcode divx->MPEG1/2 in real time & using the patched
> > >>mplayer...
> > >>
> > >>Bottom line: your 2 likeliest options are (1) wait for the ivtv driver 
> >to
> > >>support raw YUV video, or (2) use a different video-out card
> > >>
> > >>-JAC
> > >>
> > >>
> > >
> > >Unfortunately I didn't do my homework before buying the 350, and I'm 
> >faced
> > >with the two options mentioned above.  I think I'll wait for the 0.2.0 
> >ivtv
> > >drivers, and if they don't solve the problems I'm seeing, I think I may
> > >invest in another video-out card until drivers mature.  Jarod mentioned
> > >using a GF4MX card.  If I used a similar setup (350 for capture, GF4MX 
> >for
> > >video out), would this also solve the ivtv-related problems I'm seeing 
> >with
> > >the program guide crashing my system, and truncated/incomplete 
> >recordings?
> > >
> > >Right now the WAF is about zero, and she's not too happy that I spent all
> > >this money on something that's not really usable.  If investing in a 
> >video
> > >card would make the setup more wife-friendly, it would be worth it...
> > >
> > >
> > >
> >Hot news off the ivtv-dev list is a new X driver from Matthias and some
> >patches from Chris that make the EPG usable.  Personally I only needed
> >to use the X driver, because the latest ivtv rpm from Axel has been very
> >stable for me (aside from the EPG).  All I did was install the new ivtv
> >X driver, modify one line my X86Config, and restart X.  My EPG now works
> >flawlessly with my PVR-350.
> >
> >Here's the link to the driver...
> >http://www.poptix.net/ivtv/current/msg00419.html
> >Chris' patches (which I didn't need) are here...
> >http://www.poptix.net/ivtv/current/msg00422.html
> >
> >With both those two, everyone with PVR-350's *should* be able to get
> >stable tv-out and use the OSD/EPG without lockups....YMMV.
> >
> >Many kudos to Matthias, Chris, Kevin, the rest of th ivtv guys, and of
> >course Isaac for Myth being some awesome....
> >
> >
> >
> >
> > >thanks,
> > >darren
> > >
> > >_______________________________________________
> > >mythtv-users mailing list
> > >mythtv-users at mythtv.org
> > >http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> > >
> > >
> 
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