Convert jp4
From ElphelWiki
Description
JP4 is a raw format used in elphel cameras. You will need Movie2dng, dcraw & cjpeg.
sudo apt-get install dcraw cjpeg
JP4 to DNG
movie2dng --dng file.jp4
The output is a file.dng
JP4 to PPM
movie2dng --dng file.jp4 dcraw -q 1 -f file.dng
JP4 to JPEG
movie2dng --dng file.jp4 dcraw -c -q 1 -f file.dng | cjpeg -quality 100 > file.jpeg
