#!/bin/bash

if [ $# -ne 1 ]; then
    echo "Usage: $0 <input_file>"
    exit 1
fi

if ! command -v "ffprobe" &> /dev/null; then
    echo 'The "ffprobe" command is necessary in order to run the script, but was not found.'
    exit 1
fi

input_file="$1"

ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv=s=x:p=0 "$input_file"