[mythtv] Ticket #13334: Improved Video timing and Synchronization

Peter Bennett pb.mythtv at gmail.com
Tue Oct 30 14:16:59 UTC 2018



On 10/30/18 7:39 AM, MythTV wrote:
> #13334: Improved Video timing and Synchronization
> -------------------------------------+-------------------------------
>   Reporter:  Peter Bennett            |          Owner:  Peter Bennett
>       Type:  Patch - Feature          |         Status:  assigned
>   Priority:  minor                    |      Milestone:  30.0
> Component:  MythTV - Video Playback  |        Version:  Master Head
>   Severity:  medium                   |     Resolution:
>   Keywords:                           |  Ticket locked:  0
> -------------------------------------+-------------------------------
>
> Comment (by jpilk):
>
>   Some of my comments above probably applied to earlier builds.  I don't
>   usually run with -v playback.
>
>   Playback restart after a step within the editor has a larger negative AV
>   Sync offset, sometimes more than 1 sec, when not using vdpau.  Lipsync is
>   clearly bad initially but is quickly recovered.
>
John

See comment 2 in the ticket. You can adjust this to be quicker but at 
the possible expense of more jitter in playback. Play around with the 
"AVsync2 audio correction" and see what setting works best for you.

Peter


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