# Clean shity MacOS .mov stuff for instagram
$ ffmpeg -threads 2 -i smileyz.mov -vcodec copy -acodec copy smileyz.mp4

# png + mp3 to video
$ ffmpeg -i test.wav -loop 1 -i test.png -c:a aac -b:a 256k -ar 44100 -c:v libx264 -pix_fmt yuv420p -preset faster -tune stillimage -shortest test.mp4