title: Merging mp4 files (in order) using ffmpeg
body: <p>I am trying to merge two mp4 files (both with video and audio) using ffmpeg, and while I can get them to merge perfectly fine, the order that I need the videos to be in is incorrect. I have gotten other mp4 files to merge in the correct order with no issues, but I cannot seem to get this one to do the same. </p>