mov,mp4,m4a,3gp,3g2,mj2ffmpeg -i

mj2The MJ2 format contains timed sequences of images (motion sequences), which can also be combined with audio to overall presentation file. The mj2 format is described in JPEG 2000What is a MJ2 file? Learn about the file formats using this extension and how to open MJ2 files. Download a MJ2 opener. Learn from the File Experts at .