[mythtv-users] Transcoding MPEG2 HD Recording to MPEG2 SD
John Finlay
finlay at moeraki.com
Fri Sep 25 20:18:34 UTC 2009
jansenj wrote:
>
>
>
> I use a command line like:
>
> ffmpeg -i orig.mpg -target ntsc-dvd -sameq -acodec copy -async 1
> transcoded.mpg
>
>
> I assume you would have to put this in a little script so that you can
> rm orig.mpg, then rename transcoded.mpg to orig.mpg in order for the
> database to know where the file is, otherwise you'd have to issue some
> sort of database update command. Would you have to re-issue any other
> additional commands?
To reinsert in the original location I use:
mv orig.mpg orig.mpg.old
mv transcoded.mpg orig.mpg
mythtranscode --mpeg2 --buildindex --allkeys --showprogress --infile
orig.mpg
Then if the transcoded file has problems I still have the original.
John
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