[mythtv-users] Fwd: Re: Fwd: Re: Mythfrontend freezing and VDPAU?
jksjdevelop at gmail.com
Mon Mar 2 15:15:23 UTC 2020
On 02/03/2020 14:41, Allen Edwards wrote:
> On Mon, Mar 2, 2020 at 2:19 AM John <jksjdevelop at gmail.com
> <mailto: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
>> My question is, am I using the right driver and video
>> configuration? Next question, what should I use if VDPAU is
>> 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
>> mythtv-users mailing list
>> mythtv-users at mythtv.org <mailto:mythtv-users at mythtv.org>
>> 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?
> mythtv-users mailing list
> mythtv-users at mythtv.org
> MythTV Forums:https://forum.mythtv.org
I am on ver 31 using Opengl High Quality and cant remember the exact
settings for V28 but I think there was a High Quality choice in
Setup>Video>Playback>Current Video Playback Profile
You should get ffmpeg decoding and if I remember correctly vdpau double
That config never failed for me on a combined Intel Haswell front and
backend with Nvidia graphics.
Note i still get judder with software decoding if there are background
tasks running so avoid that.
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