- ffmpeg -nostdin -y -i "$file" -vf scale=320:-2,fps=10/$length "$tmp/thumb_%02d.jpg" 2>&-
- montage "$tmp/thumb_0"[1-9].jpg "$tmp/thumb_10.jpg" \
+ # ffmpeg -nostdin -y -i "$file" -vf fps=11/$length,scale=320:-2 -frames 10 "$tmp/thumb_%02d.jpg" 2>&-
+
+ for n in 1 2 3 4 5 6 7 8 9 10; do
+ ffmpeg -nostdin -y -ss "$((n * length / 11))" -i "$file" -frames 1 "$tmp/thumb_$((n - 1)).jpg" 2>&-
+ done
+
+ montage "$tmp"/thumb_[0-9].jpg \
+ -background "$bgcolor" \