On Fri, 1 Apr 2005, Todd Tidwell wrote: > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:mythtv-users- > > [EMAIL PROTECTED] On Behalf Of Mat Kyne > > Sent: Friday, April 01, 2005 8:41 AM > > To: [email protected] > > Subject: [mythtv-users] HDTV Woes > > > > After 5 attempts to get myth running correctly on FC3, I tried (for the > > 3rd > > time) to install Knoppmyth. > > I am pleased to report that after much online research, the drivers were > > loaded for my pcHDTV 3000, and eventually, my nVidia 5200 FX. So, after > > calling my wife at work and demanding that she cross her fingers, I > > selected > > the option "Watch TV" . . . And there it was! GLORIOUS HDTV !!! . . . . > > For > > about 2 seconds. Then it froze and crashed. :( > > > > Well I had heard that HDTV live was not all that great, So I set it to > > record Lost in ABC. > > > > -I had to schedule a manuel recording, because the myth guide times were > > off > > by several hours- I will ask about that in a later post.- > > > > Well, while I was watching the show on SDTV, I saw my HDD light start to > > blink, so I knew it was recording. Yeah! > > > > So after my wife went to bed, when I am allowed to "Play with my stupid > > computer" I tried to watch the show I recorded. --You can probably tell > > that this is not going to end well -- > > > > Well the picture was amazing, but the playback was choppy/jittery. If I > > tried to fast-forward or skip a commercial, The system would just hang. I > > was able to Ctrl-Alt-Esc out ant try again. Then I remembered reading > > Jarod's Guide (You da man!), and what he had written about giving Myth > > root > > privileges (I think it's called suedo-root). So I did that, and tried > > again. > > No real improvement, and when I tried to skip a commercial, the system > > crashed. I couldn't even ssh in to do a nice reboot. > > > > So my question that I lay before the all-knowing Mythtv guru's is this, > > What > > am I doing wrong. Do I just need a faster processor (I currently have a > > 2.4 > > Ghz Celeron that I bought just for this)? Or are there other things that I > > can try first. Any help would be appreciated. Thanks -Mat > > > > I would think that you'd have enough processor there to handle it, but if > not, you're lucky: you have an nVidia 5200 which you can use XvMC with to > offload some of the processing to the video cards processor. > > Before you try that, though, are you using the nVidia drivers or the one > built-in to FC3? If you aren't, you probably want to go get the nVidia > drivers either way, and then you have the XvMC option available and you > might also see a small improvement in general display performance (I > certainly did). > > Sadly, I don't know enough about knoppmyth to tell you whether the XvMC > support comes compiled in or if you're going to have to do a compile > yourself. Also, sadly, XvMC support is currently going through some hurdles > and may not be to a level you can live with until the .18 release (or the > next few days in CVS). > > -Todd
I do not know if this is still true, but when I was setting up my HD Myth system a year ago, it was CRITICAL to have the NvAGP option set correclty in xorg.conf or XF86Config. Look for something like: Option "NvAGP" "1" Try changing that to 0, 1 or 2. Depending on your motherboard (and how your Kernel was built) one of those setting should be MUCH better than the other two. The wrong setting caused massive stuttering. John
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