Live TV Playback is too slow on Fedora 11 + mythtv-0.21-211

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Hello guys,

I installed mythtv-0.21 from atrpms and I have DVB-T card WinTV Nova-T USB2 and motherboard Jetway J7F2WE2G (CPU is VIA C7 2Ghz).

My problem is when I try to watch live tv, the picture is not smooth, it is looks like slow motion. However when I tried to watch it in Kaffeine it was OK. Also when watchiing Mythtv, CPU is loaded at about 50% so I believe it has some spare power.

Did anybody experience similar problem with mythtv?

Also my chipset is supposed to support mpeg-2 decompression - does anybody know how can I check hardware decompression is used when playing TV? (I know my WinTV card does not support hardware compression so this has to be done by CPU).

My Device section in xorg.conf looks like:

Section "Device"
        Option      "AccelMethod"   "EXA"
        Option      "EnableAGPDMA" "true"
        Option      "ExaScratchSize"        "8192"
        Option      "MaxDRIMem"             "16384"
        Option      "MigrationHeuristic"    "greedy"
        Option      "ExaNoComposite" "True"

        Option      "VideoOverlay" "on"
        #Option     "VBEModes" "true"                     #This is causing X11 to crash so I cannot enable it

        Identifier  "Card0"
        Driver      "openchrome"
        VendorName  "Unknown Vendor"
        BoardName   "Unknown Board"
        BusID       "PCI:1:0:0"
EndSection

Thank you very much in advance,

Jan
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