#!/bin/bash -e

if [ -z "$1" -o -z "$2" ]; then
    echo "Usage: $0 sourcedir destdir"
    exit 1
fi

sourcedir="$(cd "$1" && pwd)"
destdir="$(cd "$2" && pwd)"

cd "$sourcedir"
find . -type f | while read infile; do
    if [ ! -r "$infile" ]; then
        echo "Missing file $infile"
        exit 1
    fi
    outfile="${destdir}/$(echo "$infile" | sed 's/\.[a-zA-Z0-9]*$//').mp4"
    if [ -e "$outfile" ]; then
        echo "Skipping $infile"
        continue
    fi
    mkdir -p "$(dirname "$outfile")"
    HandBrakeCLI < /dev/null \
        --format mp4 \
        --encoder x264 \
        --encopts cabac=0:ref=2:me=umh:bframes=0:weightp=0:8x8dct=0:trellis=0:subme=6 \
        --markers \
        --quality 21 \
        --deinterlace \
        --loose-anamorphic \
        --crop 24:24:24:24 \
        --aencoder faac \
        --ab 160 \
        --input "$infile" \
        --output "$outfile"
done