[mythtv-users] 30 vs 31

[jam]

> On 24 May 2020, at 5:04 pm, Paul Gardiner <lists at glidos.net> wrote:
> 
>>>> 
>>>> Hi all
>>>> I’m asking for advocasy. Why should I use 31 and not 30
>>>> I find 31 slow to start, 30 odd secs for 31 vs 1 sec for 30
>>>> On my high sierra mac, thanks to John’s hard work, a frontend does run, but the audio and video drift to be many seconds apart.
>>>> A virtualBox VM running ubuntu (downloaded packages) and opensuse Tumbleweed (built from src) has the same audio drift
>>>> A parallels VN tunning either of the above distros frontend does *not* show the drift.
>>> 
>>> Things may be different on Macs, but I believe that a/v sync drift in recent frontends is usually caused by frame dropping when the selected deinterlacer is working too hard.  Try one that isn't quite so demanding.
>>> 
>>> Setup > Video > Playback > Current Video Playback Profile >  ....
>> John thanks
>> I was decieved by cpu load but changing the deinterlacer fixed the problem
> 
> Isn't that still a bad sign for the new synchronisation mechanism, though? = that it should drift so far when the video is struggling.

And we are not talking mS but 10s S or minutes
James