Today I Learned
Using ffmpeg to Convert and Slow Down Video
To convert from mov to mp4
ffmpeg -i matter-gyro-pendulum-20-alpha-1-lambda-0.mov -c copy matter-gyro-pendulum-20-alpha-1-lambda-0.mp4
To slow down video
ffmpeg -i matter-gyro-pendulum-20-alpha-1-lambda-0.mp4 -filter:v "setpts=4.0*PTS" matter-gyro-pendulum-20-alpha-1-lambda-0-slow.mp4
To trim video from 0sec to 4sec
ffmpeg -i myvideo.avi -ss 00:00:00 -t 00:00:04 -c copy out.mp4