[mythtv-users] slow jump forward or back after 0.25 upgrade

Michael T. Dean mtdean at thirdcontact.com
Tue Oct 2 02:08:14 UTC 2012


On 10/01/2012 09:28 PM, Roger Searle wrote:
> Hi, following an upgrade to 0.25 (via a Mint 11 > 12 upgrade) last 
> weekend, the main unresolved issue I have is that a skip/jump forward 
> or back with the right or left arrow keys is painfully slow, each jump 
> takes about 5 or 6 seconds to implement. It is pointless doing 6 in 
> quick succession as I could previously as only 1 or 2 of them would 
> occur.  This is true both on a separate FE or watching on the BE 
> itself.  Most of the time the onscreen indicator displaying elapsed 
> time etc does not display either, however it will randomly, and when 
> it does, it will sometimes (not always) skip forward at a more 
> acceptable pace similar to on 0.24.
>
> The backend machine is otherwise running without issue as far as I 
> know. While it's not a dedicated myth BE, there is nothing else of 
> significance running on it when the FE has the above symptom, htop 
> doesn't reveal any core running at high usage etc, it's a fairly 
> recent quad core CPU, 8GB memory.
>
> Can anyone suggest where I could focus my attention to understand 
> what's going on and resolve?

Sounds like your seek tables are missing, so MythTV is actually having 
to decode lots of video to find the right frame.

Mike


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