[mythtv-users] Controlling how far into a recording the preview thumbnail snapshot is taken

[George Poulson]

On 6 October 2010 12:18, Jos Hoekstra <joshoekstra at gmx.net> wrote:

According to:
>
> http://www.mythtv.org/wiki/User_Manual:Detailed_configuration_Frontend#View_Recordings_.284.2F8.29
> you can set it to a time. I'm on trunk now and don't have that setting
> exposed anymore.
> Quickscan of the db doesn't tell me where thumbnails or previews are
> made...
>


Thanks Jos, that will be where I've seen this before, but I too have now
moved to trunk so I can no see this setting!

A bit more 'digging' has revealed that in 0.24 the thumbnails are now
created by a separate application 'mythpreviewgen' which accepts a passed
parameter '-- seconds' for determining the offset into the recording.

My backend logs show that in my case it is being called with the default
time offset:

2010-10-06 11:44:49.860 Launching: /usr/bin/mythpreviewgen --size 0x0
--chanid 57102 --starttime 20101005213000  > /dev/null

The release notes for 0.24 state:

Add "Smart Pixmap Preview Offset Creation" - dynamically creates thumbnail
preview location (and eliminates PreviewPixmapOffset setting)
[23993]<http://svn.mythtv.org/trac/changeset/23993>

But this doesn't seem to be working to well for me and a number of my
preview images are being created during what should be being flagged as
advertisements.

If this is working OK for everyone else then I guess I need to dig around in
the code some more to find out whether/where I can add an additional
parameter to control the offset.

George
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