[mythtv-users] giving up on vdpau

[Jens.Peder.Terjesen at devoteam.com]

-----Phil Wild wrote: -----

>Hi people,
>
>I have given up trying to get vdpau going. Perhaps my issues are with
>my hardware but I just can't seem to get a reliable result.
>
>I initially switched to vdpau as I thought that my prebuffering pause
>error messages were cpu related and that vdpau may help - issue was
>resolved by bios and kernel change around HPET.
>
>I am using an Asus M3N78-EM motherboard, gigabit ethernet
>split/front/back config. The motherboard has nvidia 8300 chipset
>onboard.
>
>The smoothest and clearest vdpau result was using bob2x
>de-interlacing
>(to 1080p plasma display). Anything that would be considered better
>(from my reading) produced jerky video. My other issue with vdpau was
>that the audio was out of sync with the video. If I switch off vdpau,
>I don't have audio problems. Well actually, that is not true. I need
>to have extra audio buffering turned on, otherwise I get lots of
>these:
>
>WriteAudio: buffer underrun
>
>I have gone through the troubleshooting section of the wiki and the
>only thing I have not tried is replacing the onboard sound with
>something else.
>
>I expect I will buy new hardware in six months time when vdpau
>settles down...
>
>Cheers
>
>Phil

I have the exact same motherboard and until yesterday I used the onboard
8300 graphics with VDPAU for DVB-S2 1080i contents. I have the same
experience regarding deinterlacing.

Yesterday I received the Gainward 8400GS 512MB graphics card I ordered on
friday, and this makes all the difference. With this card I can use
Temporal 2X on the HD channels. It also solved a problem I had with
probably high bitrate channels like BBC HD.
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