2018-11-21 2:21 GMT+01:00, Kieran O Leary <kieran.o.leary at gmail.com>: > 2) A version of ffmpeg that I compiled with openjpeg, but with > the internal ffmpeg decoder enabled. > > $ ffmpeg -i Downloads/CHARBON-INTEROP-24/video1.mxf This will not use the libopenjpeg jpeg2000 decoder in any way. Carl Eugen