On Sun, 13 Feb 2011 03:12:29 +0100, meino.cramer@gmx.de wrote:

> from recording from my dvbt-card I have some ts-files (transport
> stream). 
> 
> To save space AND quality, I want to strip anything from those files,
> which is not wanted: anything, which is neither audio nor video. But
> I dont want to reencode audio and video for that.

If you are using MythTV to record, just do a lossless transcode, or use
mythtranscode with the --mpeg2 option.

Otherwise, ffmpeg -i infile.mpg -acodec copy -vcodec copy outfile.mpg
should do it.