#!/usr/bin/env bash

ffmpeg -i "$1" \
  -vf "scale=1280:-2" \
  -c:v libx264 \
  -profile:v main \
  -level 3.1 \
  -pix_fmt yuv420p \
  -preset slow \
  -crf 23 \
  -c:a aac \
  -ac 2 \
  -b:a 128k \
  "$2"