[mythtv-users] 0.25 Major AV sync problems

[Paul Gardiner]

On 07/06/2012 23:11, Richard wrote:
> On 03/06/12 11:25, David Moore wrote:
>> Audio/Video sync has not been good for me ever since I upgraded to
>> 0.25. But since I haven't seen others complaining I wonder if I have a
>> config problem. Here's what I see:
>>
>> - OSD of Playback Data frequently shows A/V Sync values of around -2
>> and never "pulls in" to lower values without user intervention.
>> - Actual AV sync is not as bad as -2 seconds but is a large fraction
>> of a second.
>> - Seeking forwards or backwards almost always degrades AV sync.
>> - Pausing/unpausing usually, but not always, helps AV sync.
>> - Seeking back to the start of a recording loses sync for a few
>> seconds and sometimes never recovers. Audio and/or video may break up.
>> Ridiculously huge AV sync values are shown in the OSD and frontend log.
>> - After seeking to the start and breaking sync it seems seeking
>> forward recovers sync.
>>
>> So am I the only one seeing this? If so, what is the magic config
>> option that I'm missing?
>
> I'm getting this too. Playback data shows A/V sync generally at around
> +/-2. Pausing/unpausing usually seems to fix it (A/V sync goes to
> something like 0.17). Skipping makes it worse.

I've always had that with my systems: from 0.23 to 0.25 and various
hardware. Jumping back 5 secs fixes it for me.

Paul.