PLaying this file in totem gives a black screen. On EOS it hangs with tons of
debug spew in terminal:
 ** (totem:27648): WARNING **: could not link video/x-raw-yuv, format=(fourcc){
YV12, I420, Y42B }, width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ],
framerate=(double){ 23.976023976023978, 24, 25, 29.970029970029973, 30, 50,
59.940059940059946, 60 }