error: GEM: pix_movie: Couldn't open the movie file: 2_1.mov (-2020) GEM: pix_film: Loaded file: /Volumes/one/derek/baruch/video/2_1.mov with 0 frames (0x0)
Error -2020 means Quicktime was not initialized which is not really possible on a properly functioning OSX system. The binary could be built incorrectly so try another one.