View difference between Paste ID: 2iVWDEkx and x96WYVTx

 #!/bin/bash
 # videothumbs, a simple videothumbnailer
 #
 #  Copyright (C) 2012 Julian Hughes julianhughes<at>gmailDOTcom
 #
 #  This program is free software; you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License as published by
 #  the Free Software Foundation; either version 3 of the License, or
 #  (at your option) any later version.
 #
 #  This program is distributed in the hope that it will be useful,
 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 #  GNU General Public License for more details.
 #
 #  You should have received a copy of the GNU General Public License
 #  along with this program.  If not, see <http://www.gnu.org/licenses/>
 
-# REQUIRES: mplayer, ffmpeg, imagemagick
+
 type montage >/dev/null 2>&1 || { echo >&2 "ImageMagick is not \
 installed or is not in your path."; exit 1; }
 type mplayer >/dev/null 2>&1 || { echo >&2 "mplayer is not installed \
 or is not in your path."; exit 1; }
 type ffmpeg >/dev/null 2>&1 || { echo >&2 "ffmpeg is not installed \
 or is not in your path."; exit 1; }
 
 #user options
 while getopts 'o:' OPTION
 do
 	case $OPTION in
 	o)	oflag=1
 		oval=$OPTARG
 		;;
 	esac
 done
 shift $(($OPTIND-1))
 
 function ffscreens ()
 {
-function mpscreens ()
+
 -vframes 1  -vf scale="$WIDE":"$H" "$OUT"/$(printf "%02d\n" "$t").png
-mplayer "$i" -noconfig all -nolirc -nojoystick -nosound -ss 5 \
+
--sstep $STEP -vf scale=$WIDE:-2 -vo png:outdir=$OUT
+
 
 for i in "$@" ;do
 
 FILE="${i%.*}"
 FILE="${FILE##*/}"
 EXT="${i##*\.}"
 OUT=/tmp/thumbs
 INFO="$OUT"/info
 
 mkdir -p "$OUT"
 
 #set output destination. Output dir exists and writable?
 #defaults to movie directory.
 if [ $oflag ]; then
 	if [ ! -d "$oval" -o ! -w "$oval" ]; then
 	printf "\n\n\tOutput directory is not writable or doesn't exist\n\n"
-mkdir "$OUT"
+
 	fi
 	IMGOUT=$oval/"${FILE##*/}".jpg
 	else
 	IMGOUT="${i%.*}".jpg
 fi
 
 #dump movie info to text file
 mplayer "$i" -noconfig all -identify -vo null -ao null \
 -frames 0 2>/dev/null |grep -E -e AUDIO -e "VIDEO|LENGTH" |\
 awk -F "ID_" '{print $2}'|sort -u |sed '/^$/d' >"$INFO"
 
 #for 4x10 images find movie length, divide by 40 for interval steps.
 LENGTH=$(grep LENGTH= "$INFO"|awk -F = '{print $2}')
-#use mplayer based capture for mkv/mpg, ffmpeg for everything else
+
-#because mplayer chokes if there is no keyframe at -ss # in avi & on
+
-# seeking some mp4.
+
-if [[ $EXT == !(mkv|MKV|mpg|MPG|mpeg|MPEG) ]] ; then
+
-	SCREENS=ffscreens
+
 H=$(grep VIDEO_HEIGHT= "$INFO" |awk -F = '{print $2}')
-	SCREENS=mpscreens
+
 WIDE=$(printf "%.0f\n" $WIDE)
 
 #get basic codec and dimension info for printing title.
-mplayer "$i" -noconfig all -identify -novideo -vo null -ao null \
+
--frames 0 2>/dev/null |grep AUDIO |awk -F "ID_" '{print $2}'|sort -u |\
+
-sed '/^$/d' >"$INFO" && \
+
-mplayer "$i" -noconfig all -identify -nosound -vo null -ao null \
+
--frames 0 2>/dev/null |egrep "VIDEO|LENGTH" |awk -F "ID_" '{print $2}'|\
+
-sort -u |sed '/^$/d' >>"$INFO"
+
 
 #dump uncompressed png images to temp dir while redirecting overly
 #verbose ffmpeg output to /dev/null
 ffscreens>/dev/null 2>&1
 
 #make montage, clean up, quit.
 montage -mode concatenate -geometry 252x -border 1 -tile 4x \
 "$OUT"/*.png -title "$TITLE" "$IMGOUT" && \
 rm -rf "$OUT"
 
 done
 exit 0