[mythtv-users] Scrambled preview image after HandBrakeCLI transcode

David H. Johnson, III dhjohnson at gmail.com
Mon May 19 15:54:09 UTC 2014


On Mon, 2014-05-19 at 10:47 -0500, William Jacoby wrote:

> On 5/19/2014 8:44 AM, David H. Johnson, III wrote:
> > I'm having the same issue as Mark
> > (http://www.gossamer-threads.com/lists/mythtv/users/555356) --
> > mythpreviewgen is cranking out scrambled/garbled images (exact symptoms
> > as Mark's) on my HandBrakeCLI-transcoded MP4s.  I tried Mike(mtdean)'s
> > solution and ran
> >
> > mythcommflag --rebuild --file /var/lib/mythtv/recordings/2002_20140429140000.mp4
> >
> > but still get the same scrambled images.  Am I missing something?  Prior
> > to running mythcommflag, I updated the filename, filesize and transcoded
> > fields for the appropriate record in the recorded table.  Is there
> > anything else I need to update?
> >
> > Thank you,
> > David
> >
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> >
> A solution I found(inadvertantly while working on cobling my own bash 
> userjob script) is to use ffmpeg: 
> http://forums.roku.com/viewtopic.php?p=342975#p342975  I'm not sure if 
> it works as I don't use it, but might give you somewhere to start.
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Thanks.  I played around with that, and but was hoping to get
mythpreviewgen working, since it also updates the preview based on
bookmarks, etc.
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