ffprobe-brief

#!/bin/sh -Ceu

glob_dir() {
	paths=$*
	for path in $paths; do
		if [ -d "$path" ]; then
			find "$path" -maxdepth 1 -type f | (
				if [ "$path" = . ]; then
					sed 's#^./##'
				else
					cat
				fi
			)
		else
			echo "$path"
		fi
	done
}

is_video() {
	filename="$1"
	file -b --mime-type "$filename" | grep -q ^video
}

info() {
	filename="$1"
	if is_video "$filename"; then
		ffprobe -hide_banner "$filename" 2>&1 | awk '
			BEGIN {
				split("", r);
			}
			($1 == "Duration:") {
				sub(/,$/, "", $2);
				r["duration"] = $2;
			}
			($1 == "Stream" && /Video:/) {
				if (match($0, / ([[:digit:]]+x[[:digit:]]+) /, a)) {
					r["resolution"] = a[1];
				}
				if (match($0, /((\.|[[:digit:]])+) fps,/, a)) {
					r["fps"] = a[1];
				}
				exit;
			}
			END {
				print(r["duration"], r["fps"], r["resolution"]);
			}
'
	fi | (
		IFS=' ' read -r duration fps resolution
		#command -p printf '%s %s %q\n' "${duration:--} ${resolution:--} $filename"
		/usr/bin/printf '%s %s %s %q\n' \
		 "${duration:--} ${resolution:--} ${fps:--} $filename"
	)
}

paths=$*
if [ -z "$paths" ]; then
	paths=.
fi

for filename in $(glob_dir "$paths"); do
	info "$filename"
done | (
	if isatty stdin; then
		column -t
	else
		cat
	fi
)