#!/usr/bin/env zsh

ffmpeg -i "$1" -vf "scale=iw*min(1920/iw\,1080/ih):ih*min(1920/iw\,1080/ih),fps=10" -t 30 -c:v hevc_videotoolbox -b:v 1000k -tag:v hvc1 -y "$(basename "$1").preview.mp4"