#!/bin/bash
ffmpeg -y -i "${1}" -c:v libx264 -movflags +faststart -preset medium -b:v 2400k -pass 1 -c:a aac -b:a 256k -f mp4 /dev/null && \
ffmpeg -i "${1}" -c:v libx264 -movflags +faststart -preset medium -b:v 2400k -pass 2 -c:a aac -b:a 256k "${2}"