<font style="font-family: verdana,sans-serif;" color="black" face="Verdana,Arial,Helvetica" size="2"><font color="black" size="2">I just received a reply from the lead developer of the XvMC branch on the Xorg list. He said:
<br><br></font></font><span style="font-family: verdana,sans-serif;">"915/945 are both supported in current xvmc branch. They have similar</span><br style="font-family: verdana,sans-serif;"><span style="font-family: verdana,sans-serif;">
MC feature, and 945's VLD feature is not supported now."</span><br style="font-family: verdana,sans-serif;"><br style="font-family: verdana,sans-serif;"><span style="font-family: verdana,sans-serif;">So, I think that this confirms that while most Intel hardware supports MC, the driver doesn't, yet.
</span><font color="black" face="Verdana,Arial,Helvetica" size="2"><font color="black" face="Verdana,Arial,Helvetica" size="2"><br style="font-family: arial,sans-serif;"><br>> I don't know *anything* about this stuff, but have been trying to
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> </font></font><font color="black" face="Verdana,Arial,Helvetica" size="2"><font color="black" face="Verdana,Arial,Helvetica" size="2">understand it some over the last couple of days. All I do know is <br></font></font>
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that my HD recordings (from DVB-T cards in Australia) seem to consume <br></font></font><font color="black" face="Verdana,Arial,Helvetica" size="2"><font color="black" face="Verdana,Arial,Helvetica" size="2">> </font>
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<font color="black" face="Verdana,Arial,Helvetica" size="2"><font color="black" face="Verdana,Arial,Helvetica" size="2">quite a lot of CPU when played back (almost 90% of one core). This is <br></font></font><font color="black" face="Verdana,Arial,Helvetica" size="2">
<font color="black" face="Verdana,Arial,Helvetica" size="2">> </font></font><font color="black" face="Verdana,Arial,Helvetica" size="2"><font color="black" face="Verdana,Arial,Helvetica" size="2">a Pentium D 3.0GHz machine with onboard Intel graphics. I assumed
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that XvMC isn't working for my card since so much CPU is being used. <br></font></font><font color="black" face="Verdana,Arial,Helvetica" size="2"><font color="black" face="Verdana,Arial,Helvetica" size="2">> </font>
</font><font color="black" face="Verdana,Arial,Helvetica" size="2"><font color="black" face="Verdana,Arial,Helvetica" size="2">I</font></font><font color="black"><font size="2"><font face="Verdana,Arial,Helvetica"> </font>
</font></font><font color="black" face="Verdana,Arial,Helvetica" size="2"><font color="black" face="Verdana,Arial,Helvetica" size="2">am using the standard Intel driver that comes with Ubuntu Fiesty. <br></font></font><font color="black" face="Verdana,Arial,Helvetica" size="2">
<font color="black" face="Verdana,Arial,Helvetica" size="2">> </font></font><font color="black" face="Verdana,Arial,Helvetica" size="2"><font color="black" face="Verdana,Arial,Helvetica" size="2">This is my xorg.conf for the adaptor.
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<font color="black" face="Verdana,Arial,Helvetica" size="2">> </font></font><font color="black" face="Verdana,Arial,Helvetica" size="2"><font color="black" face="Verdana,Arial,Helvetica" size="2">Section "Device"
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<font color="black" face="Verdana,Arial,Helvetica" size="2">Identifier "Intel Corporation 82865G Integrated Graphics Controller" <br> </font></font><font color="black" face="Verdana,Arial,Helvetica" size="2">
<font color="black" face="Verdana,Arial,Helvetica" size="2">> </font></font><font color="black" face="Verdana,Arial,Helvetica" size="2"><font color="black" face="Verdana,Arial,Helvetica" size="2">Driver "intel"
<br> </font></font><font color="black" face="Verdana,Arial,Helvetica" size="2"><font color="black" face="Verdana,Arial,Helvetica" size="2">> </font></font><font color="black" face="Verdana,Arial,Helvetica" size="2">
<font color="black" face="Verdana,Arial,Helvetica" size="2">BusID "PCI:0:2:0" <br> </font></font><font color="black" face="Verdana,Arial,Helvetica" size="2"><font color="black" face="Verdana,Arial,Helvetica" size="2">
> </font></font><font color="black" face="Verdana,Arial,Helvetica" size="2"><font color="black" face="Verdana,Arial,Helvetica" size="2">Option "UseFBDev" "true" <br></font></font>
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EndSection<br><br>You could try adding the line:<br><br> Option "XvMCSurfaces" "7"<br><br>to your device section to see if XvMC is supported for your chipset. I doubt it is, as the man page still states that it only works for the i810 and i815 chipsets. By checking your Xorg log, you'll be able to see. You can run:
<br><br> cat /var/log/Xorg.0.log | grep XvMC<br><br>It will either return a statement that it was enabled, or that the "XvMCSurfaces" option is not used, which means that the driver doesn't support your chipset. For more information on the driver, check the manpage with:
<br> <br> man intel<br><br>Anyway, it sounds like if we are just patient, accelerated video decoding for Intel adapters is on the way!<br><br>-Edward<br><br><br><br><br><br></font></font>