SOME FFMPEG USEFUL EXAMPLES

# FFMEPG COMMAND TO TRANSFORM MTS TO MP4
ffmpeg -i XXXXXX.MTS -vcodec mpeg4 -b:v 15M -acodec libmp3lame -b:a 192k output.mp4

# FFMEPG COMMAND TO CONCAT FILES
ffmpeg -f concat -i input.txt -vcodec copy -acodec copy output.mp4

# INPUT.TXT
file 1.mp4
file 2.mp4

# RESIZE SAME QUALITY
ffmpeg -i output.mp4 -s 640x360 output_red.mp4

# SPLIT FROM ... OFFSIDE
ffmpeg -i movie.mp4 -ss 00:00:03 -t 00:00:08 -async 1 -strict -2 cut.mp4