FFMpeg command
-metadata flag sets/removes the metadata of the media file
-i takes input media file
-preset option to set the encoding speed. "superfast" or "medium"
-r sets the framerate of the video
-threads sets the number of threads to be consumed while compression
-c:v libx264 sets the codec to libx264. It's a high speed codec
-s 1280x720 option sets the resolution
-b:v sets the bitrate of media file