Kiterminal's Blog

command = "ffmpeg -i filename.m4v 2>&1 | grep 'Duration' | cut -d ' ' -f 4 | sed s/,//"
output = `#{command}`
if output =~ /([\d][\d]):([\d][\d]):([\d][\d]).([\d]+)/
  duration = (($1.to_i * 60 + $2.to_i) * 60 + $3.to_i) * 10 + $4.to_i
end

$ tar -xzvf lame-398.tar.gz
$ cd lame-398
$ ./configure
$ make
$ sudo make install