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<div><span class="gmail_quote">On 22/01/2008, <b class="gmail_sendername">Christopher Friend</b> <<a href="mailto:christopher_friend@hotmail.com">christopher_friend@hotmail.com</a>> wrote:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<div>Hi, does anyone know of a mythtv package for Ubuntu that has Viktor's bob patch compiled in? Or has it been included in the main mythtv branch already? There was some talk about a mythtv-vid branch but I think that was merged a while ago, though with or without the patch I've no idea...
<br> <br>I've just tried a VGA to scart cable with a 720*576 PAL interlaced modeline and am coming up against the same sync issues that others seem to have; unless it's paused and started again at a specific frame it has either constantly jerky movement or slight jerks every few seconds, usually starting when there's a lot of movement on screen. Currently if I use bob it seems to drop to about 1 or 2 fps so is unusable. Other deint methods are ok but not as smooth as interlaced when it's working.
<br> <br>I'm also getting slight flicker to any still images outside of tv watching (desktop, myth settings etc), more so than via a regular tv image (via dvd / stb / analogue). Using a progressive 50Hz modeline looks alright so I don't know if it's something to do with the interlaced modeline or something else...
<br> <br>Does anyone have any recommended PAL interlaced modelines? Preferably standard 720*576 or 768*576? I've tried a few (mainly from steve hall's nexus page and a gentoo mythtv wiki) but get varying results with them (some are more likely to jerk during tv playback than others) so I wanna try out as many as possible.
<br> <br>Thanks, Christopher<br><br>=================<br>The Crimea / The Crocketts<br><a onclick="return top.js.OpenExtLink(window,event,this)" href="http://www.inaudible.co.uk/" target="_blank">http://www.inaudible.co.uk
</a><br>=================<br><br><br>
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<div>Chris,</div>
<div> </div>
<div><br>I've been trying to figure this out myself as I currently use Viktor's patch on my 0.20 system.</div>
<div>Looking at the source code for mythtv-vid and the current trunk, it seems that it might be in for OpenGL mode but not normal XvMC mode, so you'll still have to do the modification yourself....</div>
<div> </div>
<div>However, your experience with bob sounds a bit odd. What should happen if you try to use bob with an interlaced modeline it should complain about the refresh rate being too low and drop back to "onefield" (check this using "mythfrontend -v playback"). I wouldn't expect it to drop to 1-2fps unless you were very CPU bound!
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<div> </div>
<div>It's probably something to do with your sync settings, have a play with nvidia-settings.</div>
<div>Also are you trying to watch DVB-T (Freeview) recordings with XvMC enabled? (Do a search for some of my postings related to this if you are...)</div>
<div> </div>
<div>Cheers</div>
<div> </div>
<div>Steve</div>