#!/bin/sh
# Compare MD5 hashes of audio streams from multiple files using ffmpeg

if [ "$#" -lt 2 ]; then
    echo "Usage: $0 <file1> <file2> [file3 ...]"
    exit 1
fi

get_md5() {
    ffmpeg -v error -i "$1" -map 0:a:0 -f md5 - 2>/dev/null | cut -d= -f2
}

echo "Comparing audio hashes:"
echo

first_file=$1
first_hash=$(get_md5 "$first_file")

echo "$first_file : $first_hash"
shift

for file in "$@"; do
    hash=$(get_md5 "$file")
    echo "$file : $hash"
    if [ "$hash" = "$first_hash" ]; then
        echo "✅ Matches $first_file"
    else
        echo "❌ Differs from $first_file"
    fi
    echo
done