113 lines
3.6 KiB
Bash
113 lines
3.6 KiB
Bash
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#!/bin/bash
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# =====================================================
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# This script takes screenshots of a movie
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# Depends on mplayer and imagemagick
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#
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# Made by Starlite
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# http://starl1te.wordpress.com/
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# Feel free to share and modify, but
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# Please, let me know if you made improvements.
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# Пожалуйста, дайте мне знать, если вы улучшили этот скрипт.
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# =====================================================
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usage="Type shot -h for help"
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_help(){
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echo -e "\nusage: shot [options] [file]\n
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Options:
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-t <time> - set time (in minutes) between screenshots; the number of screenshots is calculated automatically.
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-n <number> - set a fixed number of screenshots to take.
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-r <percent> - change the size of the output image. Less than 40% is recommended.
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-h - display this help message\n
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Only one option at a time is possible.
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If you don't like taken screenshots, try to run the script once more
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This script depends on Mplayer and ImageMagic.\n
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Usage example:
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shot -n 25 -r 35% ~/films/film.avi\n"
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}
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shot(){
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# Making screenshots...
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for i in `seq 1 $shots_number`;
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do
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randomiser=$RANDOM; let "randomiser %= 25"
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hop=`echo $[$shot_time*60*$i+$randomiser]`
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mplayer -ss $hop -noautosub -frames 1 -ao null -vo png "$file_path" > /dev/null 2>&1
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mv 00000001.png /tmp/shots/$i.png
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echo -ne "Taking screenshot #${i} \r"
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done
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echo "Taking screenshots... [OK]"
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}
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# ====== first step is here! ;-) ========
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# Checking options...
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while getopts ":t:n:r:h" option
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do
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case $option in
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t ) shot_time=$OPTARG; opt=_time;;
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n ) shots_number=$OPTARG; opt=_num;;
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h ) _help; opt=1; exit 1;;
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r ) res=$OPTARG;;
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: ) echo "No argument given"; opt=1; exit 1;;
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* ) echo "Unknown option"; echo $usage; opt=1; exit 1;;
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esac
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done
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if [ "$res" == "" ]; then res=40%; fi
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if [ "$opt" == "" ]; then echo "No option given!"; echo $usage; exit 1; fi
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shift $(($OPTIND - 1))
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if [ "$1" == "" ]; then echo "No file given!"; echo $usage; exit 1; fi
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mkdir /tmp/shots
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# Parsing files...
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while [ "$1" != "" ]
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do
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file_path=$1
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file_name_ext=${file_path##*/}
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file_name=`echo "$file_name_ext" | sed '$s/....$//'`
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randomiser=0
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movdir=`dirname "$file_path"`
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if [ "$movdir" == "." ]; then
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movdir=`pwd`
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file_path=$movdir/$file_path
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fi
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cd "$movdir"
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echo "Processing file $file_name..."
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# Getting movie length...
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length=`mplayer -identify "$file_path" -frames 1 -ao null -vo null 2>/dev/null \
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| grep LENGTH | sed -e 's/^.*=//' -e 's/[.].*//'`
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if [ "$length" == "" ]; then echo "Error! Can't get the length of the movie."; exit 1; fi
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if [ "$opt" == "_time" ]; then
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shots_number=`echo $[$length/60/$shot_time]`
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shot
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elif [ "$opt" == "_num" ]; then
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shot_time=`echo $[$length/$shots_number/60]`
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shot
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fi
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# Placing all taken screenshots in one picture...
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echo -n "Putting screenshots together..."
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cd /tmp/shots/
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montage -geometry +2+2 -compress jpeg `ls *.png | sort -n` "$file_name".jpg
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mogrify -resize $res "$file_name".jpg
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echo " [OK]"
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echo -n "Getting video info..."
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size=`stat -c%s "$file_path"`
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size=`echo $[$size/1024/1024]`
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format=`mplayer -frames 1 -ao null -vo null -identify 2>/dev/null "$file_path" | grep VIDEO: | cut -d " " -f 5`
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length=`echo $[$length/60]`
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# It's a tricky code here, it adds some info about the movie to the output image.
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echo -e "File name: $file_name_ext\nSize: $size Mb\nResolution: $format\nDuration: $length min." | convert -pointsize 16 -trim +repage text:- text.jpg
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convert "$file_name".jpg -splice 0x70 -draw 'image over 5,5 0,0 text.jpg' "$movdir/$file_name".jpg
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echo " [OK]"; echo
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cd "$movdir"
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shift
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done
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rm -r /tmp/shots
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echo "Done"
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