2019-01-02 16:06 GMT+01:00, Kieran O'Leary <kieran.oleary at irishfilm.ie>: > So on OSX El Capitan - VLC 3.4, ffplay 4.1, mpv 0.29.1 will play > back 16-bit twos within MP4. > Quicktime player will not play back the file. Good to know that we fixed this bug! Carl Eugen