bitreich-memestats

commit 3ef3415790635bdf3af5d3b7636a0c5b6c0869f2
parent ff98fb26d863ec1bd65b01d2203fae703f9cca8b
Author: Anders Damsgaard <anders@adamsgaard.dk>
Date:   Mon, 20 Apr 2020 10:03:28 +0200

Add media statistics script

Diffstat:
A
media-stats.sh
 | 
41
+++++++++++++++++++++++++++++++++++++++++

1 file changed, 41 insertions(+), 0 deletions(-)
diff --git a/media-stats.sh b/media-stats.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+# output formatted table with memecache media statistics
+
+# estimated average image viewing time [s]
+img_viewing_time=5
+
+if [ $# -ne 1 ]; then
+	printf 'usage: %s <memecache_path>\n' "$0" >&2
+	exit 1
+fi
+
+i=0
+sum=0.0
+for f in "$1"/*.{mkv,mp4,webm,mp3,ogg}; do
+	i=$((i+=1))
+	new_sum="$(printf '%f + %f\n' \
+		"$(ffprobe -v error -show_entries format=duration \
+		   -of default=noprint_wrappers=1:nokey=1 "$f")" "$sum" 2>/dev/null | \
+		   bc -l)"
+	sum="$new_sum"
+done
+n_img="$(ls "$1"/*.{png,jpg,JPG,gif} | wc -l)"
+n_vid="$(ls "$1"/*.{mkv,mp4,webm,mp3,ogg} | wc -l)"
+
+printf '\n                      '
+printf '+----- statistics (%s) ------+\n' "$(date '+%Y-%m-%d')"
+printf '                      '
+printf '| number of images:     %8s     |\n' "$n_img"
+printf '                      '
+printf '| number of movies:     %8s     |\n' "$n_vid"
+printf '                      '
+printf '| average movie length: %10.1f s |\n' \
+	"$(printf '%f/%f\n' "$sum" "$i" | bc -l)"
+printf '                      '
+printf '| total image viewing time: %6.1f h |\n' \
+	"$(printf '%s*%f/3600\n' "$n_img" "$img_viewing_time" | bc -l)"
+printf '                      '
+printf '| total movie length:   %10.1f h |\n' \
+	"$(printf '%s/3600\n' "$sum" | bc -l)"
+printf '                      '
+printf '+------------------------------------+\n'