Thanks a lot Bob! > This is the command I use to convert to x265 video ffmpeg -i fireworks.mp4 -c:v libx265 -force_key_frames "expr:gte(t,n_forced*5)" -x265-params crf=28 -x265-params log-level=none -c:a ac3 -b:a 192k -preset ultrafast -strict experimental -loglevel fatal -stats fireworks-x265-ultrafast-ac3.mp4 > Hope this helps