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[Andrew Stevens <andrew.stevens@xxxxxxxxxxxxxx>]

Looks like difficulties in VDPAU playback were indeed due to some junk left over from upgrades and local installs.
A solid purge and re-install and VDPAU playback is working just fine (actually: much better than with 0.22-fixes under 9.10)

However: CPU playback profiles which worked perfectly  under 9.10 and
0.22-fixes still reproducibly and regularly stutter in 720p playback .
The10.04 builds seem to be running less efficiently / not making as
effective use of both CPU cores.  A build difference in the binaries?

Platform:   10.04 32-bit
Hardware: Athlon  64 X2 6000+

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MythTV playback issue - number of reference frames exceeds max
https://bugs.launchpad.net/bugs/585263
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Status in “mythtv” package in Ubuntu: New

Bug description:
Binary package hint: mythtv

The following error appears in the mythfrontend.log.

The result is that the picture is out of sync very slightly with the sound and with a slight jerk (assumingly due to the discarded frame).

2010-05-24 19:34:19.826 [h264_vdpau @ 0x7f2de04a7360]number of reference frames exceeds max (probably corrupt input), discarding one

This only occurs for TV3 here in New Zealand. It is our only 1080i dvb-t channel. All others are either 720p or 576 and work fine.

Our broadcast mix here is H.264/MPEG-4 AVC.

I am using Mythbuntu 10.04 with a nova-t 500 tuner and an NVidia graphics card.

Please help :-)

Thanks!