[mythtv-users] Livetv stutter

[David Birch]

Thanks Nick, yeah should have ssid i'm using dvb-t, and get same behaviour
with a hauppage nova t 500 & winfast 1000, so i didn't think tuner is the
culprit in my case.

Thanks
Dave

On Wed, 18 Oct 2017 at 11:17 pm, Nick Morrott <knowledgejunkie at gmail.com>
wrote:

> On 18 October 2017 at 12:45, David Birch <david.birch at gmail.com> wrote:
> > Hi, i'm running myth 0.28 on ubuntu 16.04 and am having trouble with pal
> > 1080i live tv streams stutter. If i pause for just a second the stream
> then
> > plays stutter free, prev recordings play fine too. I've tried adjusting
> > decoders & deinterlace, ssd for live recordings & ringbuffer sizes but
> they
> > don't seem to help, it also happens with vdpau on one frontend and vaapi
> on
> > another. When i watch the playback data i see the a/v sync going wild
> > between 0 to -1.5, after the pause & resume it then sits pretty much rock
> > steady on -0.25. Any other settings to try??
> >
> > Thanks in advance, i've had many happy years from myth, i just can't
> seem to
> > get this sorted & its more prevalent on a new bigger tv.
>
> FWIW I see this on an old 0.27 system when watching LiveTV from my
> PVR-150 backend which is recording PAL 576i content. Playback is via
> XVideo.
>
> Even pausing for just a second as soon as LiveTV starts produces
> perfectly normal playback. If I don't pause immediately the picture
> breaks up with stream corruption before the session eventually fails.
> Programme transitions also fail on this recorder. I have no issues at
> all with my DVB-T sources.
>
> I poked around in the source changing various playback settings/delays
> to no avail. Not being au fait with the playback source clearly didn't
> help, but it would be nice for the FAF to resolve this issue. Still
> need to get this particular system upgraded to 0.28/0.29 and see if
> the issue persists.
>
> Nick
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