Tuesday, 20 October 2009

Joining Video Files

Sometimes I want to join together two Video files.

Firstly, we need to have mencoder installed.
sudo apt-get install mencoder mplayer

Now, lets assume that we have two avi files called f1.avi and f2.avi.

The first step is to join the files together;
cat f1.avi f2.avi > f1f2.avi 

If you have more than two files simply include them all (in the correct order of course)
cat f1.avi f2.avi f3.avi > f1f2f3.avi

Next, we need to ensure that the audio syncing has not been messed up;
mencoder -forceidx -oac copy -ovc copy f1f2.avi -o final.avi

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