[mythtv-users] Mythbuntu 10.10 upgrade broke VDPAU

[Niels Dybdahl]

Hi Jon,

I have just installed a frontend with Ubuntu 10.10. It did not immediately
start up with VDPAU either.
I looked into the log files and saw that it ran with the nouveau driver and
not the nvidia driver.
I finally fixed it by creating a xorg.conf file and selecting the nvidia
driver explicitly in it.
Unfortunately I do not remember more details.

Best regards
Niels Dybdahl


On Sun, Oct 24, 2010 at 9:57 AM, Jon Whitear <jon at whitear.org> wrote:

> Hello folks,
>
> I recently upgraded my frontend-only machine from Mythbuntu 10.04 to 10.10.
> Now playback with vdpau is broken. Fortunately playback with the "normal"
> profile is fine. Here's what the log says when I try to play back with VDPAU
> enabled:-
>
> 2010-10-23 17:38:23.546 TV: Attempting to change from None to
> WatchingPreRecorded
> 2010-10-23 17:38:24.218 AFD: Opened codec 0x7b9ff70, id(MPEG2VIDEO)
> type(Video)
> 2010-10-23 17:38:24.218 AFD: codec MP2 has 2 channels
> 2010-10-23 17:38:24.218 AFD: Opened codec 0x7ba03b0, id(MP2) type(Audio)
> 2010-10-23 17:38:24.241 Opening audio device 'cards.pcm.iec958'. ch 2(2) sr
> 48000 (reenc 0)
> 2010-10-23 17:38:24.241 Opening ALSA audio device 'cards.pcm.iec958'.
> 2010-10-23 17:38:24.512 VDPAU Error: Error at mythrender_vdpau.cpp:1478
> (#23, Unknown)
> 2010-10-23 17:38:24.512 VDPAU Error: Failed to create VDPAU device.
> 2010-10-23 17:38:24.512 VDPAU Error: No VDPAU device
> 2010-10-23 17:38:24.512 Failed to create VDPAU render device.
> 2010-10-23 17:38:24.512 VidOutVDPAU Error: Failed to initialise VDPAU
> 2010-10-23 17:38:24.513 VideoOutput, Error: Not compiled with any useable
> video output method.
> 2010-10-23 17:38:24.514 NVP(0), Error: Couldn't create VideoOutput
> instance. Exiting..
> 2010-10-23 17:38:24.514 Unable to initialize video.
> 2010-10-23 17:38:44.365 playCtx, Error: StartDecoderThread() Failed to
> startdecoder
>
> I gather that this usually indicates the absence of of VDPAU libraries. I
> have removed and reinstalled the nvidia-current package (which is supposed
> to include the library) and tried installing from the Nvidia-supplied
> installer. I've also tried fixing a link like so (all suggestions served up
> by google.)
>
> sudo mv /usr/lib/libvdpau_nvidia.so /usr/lib/libvdpau_nvidia.so.OLD
> sudo ln -s /usr/lib/nvidia-current/vdpau/libvdpau_nvidia.so
> /usr/lib/libvdpau_nvidia.so
>
> jon at fe2:~$ ls -al /usr/lib/nvidia-current/vdpau/
> total 1624
> drwxr-xr-x 2 root root    4096 2010-10-23 18:37 .
> drwxr-xr-x 6 root root    4096 2010-10-23 18:37 ..
> lrwxrwxrwx 1 root root      20 2010-10-23 18:37 libvdpau_nvidia.so ->
> libvdpau_nvidia.so.1
> lrwxrwxrwx 1 root root      28 2010-10-23 18:37 libvdpau_nvidia.so.1 ->
> libvdpau_nvidia.so.260.19.06
> -rw-r--r-- 1 root root 1650456 2010-10-05 02:37
> libvdpau_nvidia.so.260.19.06
>
> The Xorg log makes no mention of VDPAU. I have a 9500GT with 1GB RAM. I've
> run out of ideas. Any help is appreciated.
>
> Cheers,
>
> Jon
>
>
>
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