[mythtv-users] Problems with rebuilt seek table

Rob Verduijn rob.verduijn at gmail.com
Mon Jul 12 06:41:16 UTC 2010

I feel your pain

I'm currently watching tv without the use of cutlists.

Check out :

and possibly,

It looks like they are intending to fix this with the 0.24 release.
Until then you could try these tricks, although they no longer work for me :(

Try cleaning up your db with the maintenance scripts.
* flush_deleted_recgroup.pl
* myth.find_orphans.pl
* optimize_mythdb.pl

Rebuild your seektable with 'mythcommflag --rebuild'

Or  (adjust values for your own files)
mythtranscode --mpeg2 --buildindex --showprogress --chanid 1014
--starttime 20100609234500

If you find any other tricks let me know.....I hate watching
recordings without cutlists


2010/7/12 Christopher Meredith <chmeredith at gmail.com>:
> I've been using a script which converts HD-PVR recordings to mpeg2/ac3
> then rebuilds the seektable so I can take advantage of Myth features
> such as transcoding with cutlists and such. It has been working fine
> but has become one of the casualties of a recent update to current
> trunk. Here's what I do:
> Convert the recording with this command:
> ffmpeg -i input.mpg -vcodec mpeg2video -pix_fmt yuv420p -threads 4
> -qscale 1 -b 19000k -acodec ac3 -ab 192k -ac 2 -async 1 -y -f vob
> output.mpg
> Then I move output.mpg to input.mpg and run this:
> mythtranscode --mpeg2 --buildindex --allkeys --showprogress --infile input.mpg
> As I said, this has worked fine in the past. Now, however, the time
> seems to be "stretched." I can fast forward to the end of the
> recording time-wise, but there is still video after that point.
> Cutpoints work for playback but not transcoding. In short, it's a bit
> of a mess.
> My only theory is that since the HD-PVR records at 60fps and since the
> converted mpeg2 file is also at 60fps, this is throwing off
> mythtranscode and the seek table rebuild. Don't know why it worked
> previously but not now, but can anyone shed some light on this?
> TIA!
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