[mythtv-users] How to make a clip from a recording
John Finlay
finlay at moeraki.com
Thu Oct 29 19:41:21 UTC 2009
Jay Foster wrote:
> I have some HDHR recordings that I would like to make some short clips
> from. I don't want to do any re-encoding, just clip a specified
> portion out. I tried mencoder with -ss 01:43:00 -endpos 00:01:00 -oac
> copy -ovc copy, but can't get it to work. After some experimenting, I
> think it is because mencoder can only seek by an amount that will fit
> in a 32-bit integer. The file is 2 hours and 14GB in size. mencoder
> will work if I keep the -ss value small enough, but the part I want is
> well past that.
>
> Is there some other simple way to do this. I would like to be able to
> specify the starting point of the clip (relative to the beginning of
> the program) and how long (or the end point).
>
> Jay
I've used ffmpeg with a command line like:
ffmpeg -y -ss 01:50:00 -t 5 -i filename.mpg -f dvd -acodec copy -sameq
clip.mpg
to make short clips (5s in this case).
John
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