Does anyone here have any ffmpeg knowledge that would give a reason for preferring anything other than the current ffmpeg 3.1.1 for EL7? Does ffmpeg have a long-term-support branch? -- Orion Poplawski Technical Manager 303-415-9701 x222 NWRA, Boulder/CoRA Office FAX: 303-415-9702 3380 Mitchell Lane orion at nwra.com Boulder, CO 80301 http://www.nwra.com