[mythtv-users] Cleaning up DVB-T recordings

David Watkins watkinshome at gmail.com
Tue Jan 19 17:34:19 UTC 2010


2010/1/19 Mike Perkins <mikep at randomtraveller.org.uk>:
> I've been looking at some of my recordings, intending to trim the garbage
> from the ends and then possibly achive them away. Standard stuff.
>
> Unfortunately, because they are OTA reception, there are occasional errors
> during transmission. On most of these they are no more than the odd blemish.
>
> However, I can't run these through mythtranscode because it barfs on the
> errors. Is there anything available I can run these through that will 'clean
> up' these files so that I can then process them? Something that will
> discover the errors and substitute them with a suitable 'fake' block which
> will permit me to process further? It doesn't have to look any prettier than
> what was there before, just legal for the file format.
>
> I would be interested in Linux solutions only.

I use this magic incantation before transcoding dvb files.  I believe
that it performs a lossless transcode and it certainly helps with some
of my files.

ffmpeg -i $1.mpg -acodec copy -vcodec copy $tempfile.mpg

Maybe it will help you.


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