How to concatenate two MP4 files using FFmpeg?

Question

I\'m trying to concatenate two mp4 files using ffmpeg. I need this to be an automatic process hence why I chose ffmpeg. I\'m converting the two files into .ts files and th

Answer 1

Here is a script I made to concatenate several GoPro mp4's into a 720p mp4. Hope it's of help.

#!/bin/sh
cmd="( "
for i; do
    cmd="${cmd}ffmpeg -i $i -ab 256000 -vb 10000000 -mbd rd -trellis 2 -cmp 2 -subcmp 2 -g 100 -f mpeg -; "
done
cmd="${cmd} ) | ffmpeg -i - -vb 10000000 -ab 256000 -s 1280x720 -y out-`date +%F-%H%M.%S`.mp4"
echo "${cmd}"
eval ${cmd}