Suppose you have some RAW footage, in CinemaDNG format (a number-sequenced set of [.dng] files), for example shot on a Blackmagic Cinema Camera (BMCC). Compared to “visually lossless” say ProRes or DNxHD (let alone H264 etc.), CinemaDNG occupies an awful lot of disk space, primarily because it is mathematically lossless. The GoPro-CineformRAW encoding format offers […]