[mythtv-users] Fwd: Re: Mythfrontend freezing and VDPAU?

Allen Edwards allen.p.edwards at gmail.com
Mon Mar 2 14:41:03 UTC 2020


On Mon, Mar 2, 2020 at 2:19 AM John <jksjdevelop at gmail.com> wrote:

>
>
> On 02/03/2020 01:48, Allen Edwards wrote:
>
> I continue my search for why my mythfrontend is locking up. As I have
> said, the real bother is that it basically requires a restart of the
> computer to clear up the problem as I have discussed previously.
>
> The error I am seeing in the log is this
> *Decoder timed out waiting for free video buffers*
>
> What I have found is that several others have had this problem and have
> isolated it to VDPAU with an interlaced source. We had a lock up again last
> night and sure enough the source was 1080i and the output is 1080p.
>
> There does not seem to be a solution online that I can find.
>
> Here is one thread https://forum.mythtv.org/viewtopic.php?t=2735
> Here is another
> https://devtalk.nvidia.com/default/topic/1037255/linux/mythtv-errors-lockups-with-vdpau-and-340-or-390-drivers-/
>
> My question is, am I using the right driver and video configuration? Next
> question, what should I use if VDPAU is unacceptable?
>
> I am running Mythbuntu
> Ubuntu 16.04.1 LTS
> MythTV Version : v0.28.2-6-g9031599
> MythTV Branch : fixes/0.28
> AMD Athlon(tm) 64 X2 Dual Core Processor 5400+
> 6G memory
> GeForce GTX 750Ti
> nvidia 390 driver
> VDPAU High Quality
>
> Allen
>
> _______________________________________________
> mythtv-users mailing listmythtv-users at mythtv.orghttp://lists.mythtv.org/mailman/listinfo/mythtv-usershttp://wiki.mythtv.org/Mailing_List_etiquette
> MythTV Forums: https://forum.mythtv.org
>
> I have found that using High Quality software decoding to be more reliable
> and tolerates faults in the broadcast stream. The cpu load is only moderate
> - try it.
>
> By the way this issue is still present in V31 so upgrading will not help.
>

Thanks so much for the confirmation of the issue. I have been wondering
about using software but wasn't sure my CPU could handle it. What specific
settings do you recommend?

Allen
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