[mythtv-users] preview of recorded shows buggy

Michael T. Dean mtdean at thirdcontact.com
Fri Jun 1 23:43:57 UTC 2007


On 06/01/2007 06:29 PM, Ma Begaj wrote:
> When I open the dialog to view the list with recorded show, every
> video has a small preview video.
>
> When I list recorded shows and select the next show (below the last one),
> preview is hanging for maybe 3-4 seconds and it plays every
> 0.5 seconds the same scene in the loop.
>
> After these 3-4 seconds preview is working without problems and
> everything is OK. This happens every time I open the dialog with
> recorded shows.
>
> When I scroll the list pretty fast (one movie after other), mythtv
> crashes sometimes.

Sounds like the frontend is attempting to re-generate the preview pixmap
(the thumbnail image) and is unable to complete the update.  After 5
tries, it gives up.  The next time you enter the Watch Recordings
screen, it tries again (for 5 times per recording).

Starting the frontend with "-v playback" (and possibly "-v file"
depending on which part is causing the failure) you'll probably see the
errors.

It could be anything from permissions to directory/file location issues
to ...

Possible permissions issues:
    a) you run the backend as root, but the frontend as mythtv, so the
backend's pre-generated pixmaps are owned by root and mythtv can't
update them
    b) your recordings directory is shared via NFS and the files are
owned by mythtv:mythtv, but the mythtv user on the file server has UID X
and on the frontend has UID Y; so as far as NFS is concerned, they're
two different users (also can be applied in the reverse to allow someone
access to files they normally couldn't touch)
    c) other things I can't think of (which you can tell us when you
find out what it is :)

Mike


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