#!/bin/sh

set -eu

INPUT=$1
OUTPUT=${2:-${1%.*}.nut}

case $INPUT in
 *.dv) DEINT=yadif;;
esac

case ${OUTPUT##*.} in
 nut) AENCODE="-codec:a flac"; VENCODE="-codec:v huffyuv";;
 mkv) AENCODE="-codec:a flac"; VENCODE="-codec:v libvpx-vp9 -lossless 1";;
 mp4) AENCODE="-codec:a libopus -b:a 192k"; VENCODE="-codec:v libx264 -crf 1";;
 webm) AENCODE="-codec:a libopus -b:a 192k"; VENCODE="-codec:v libvpx-vp9";;
esac

mkdir -p "$(dirname "$OUTPUT")"
ffmpeg -hide_banner -threads auto -y -i "$INPUT" -vf ${DEINT:+$DEINT,}format=pix_fmts=yuv420p $AENCODE $VENCODE "$OUTPUT"