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Free server side video thumbnail generation script

Hey all, today I'm in a sharing mood so here's a little shell script that
automatically scans a user defined folder recursively for video files
and auto extracts a user defined amount of thumbnails from each file
it finds. Thumbnail size, compression, interval are easy controllable and
instructions and comments are added to the source.

This script is for use on a unix server and saves you having to download
the vids to a workstation in order to generate thumbnails in whatever
software and having to re-upload the thumbs manually back to the server.

The thumbnails uses the following naming scheme for the generated thumbnails
foldername_x.jpg where x is the number of thumbnail that is generated by
the script i.e. if you define to extract 2 thumbs for each file...they will be
named: foldername_1.jpg and foldername_2.jpg so it's very easy to see
which thumbnails comes from which video input file.

The script can process any video format as long as the ffmpeg binary
which is used to extract the frames has the codec installed.

ffmpeg is used to extract the raw frame data from the video file which
is stored without any manipulation as a .PNG file and then the ImageMagick
convert tool does the required image manipulation and conversion to JPEG

ffmpeg can do this too but this way the quality of the jpeg thumbnail is
MUCH better than doing it at once using ffmpeg only.

A BIG THANK YOU to GrouchyAdmin who helped me today adding the folder
and file scanning of the script to complete the script today as I urgently
needed it so my content guy could start using it.......but I wasn't able
to finish it today or even this week due to severe lack of time.

If ANYONE is looking for a reliable coder/sysadmin that delivers his work
in a timely fashion and with the result you asked for then look no further
and contact GrouchyAdmin for your job and save yourself from getting
screwed every possible way you can think off which lately seems to be
the hottest trend. I don't vouch for people to avoid getting hassled by
people asking me why the hell I send them somewhere.....but with
Grouchy I'm comfortable enough and not having to worry about that.
In the unlikely event that I turn out to be wrong feel free to contact me
and if your complaint is valid I'll personally make sure that you'll get what
you ordered.......so Grouchy don't even think of dissapointing me......
I know where you bed sleeps and I'm bigger than you :winkwink:

Ok time for the goodies:

part 1 vidscan.sh

Code:

#!/bin/sh



# Author: Hans Waasdorp [email protected]



# To install save script as vidscan.sh, chmod 755 vidscan.sh



# vidscan.sh

# Purpose: scan folder recursively for video files and extract

# user defined amount of jpg thumbnails of userdefined size and

# jpeg compression level.



# server requirements for script to function:

# ffmpeg + required codecs for media formats

# ImageMagick (convert binary)



# usage: ./vidscan.sh /start/path filename_to_look_for.extension



PATH=/bin:/sbin:/usr/bin:/usr/sbin



SCENE=$2



if [ -d "$1" ]; then

  STARTDIR=$1

else

  STARTDIR=`pwd`

fi



# Call thumb script 5 = number of jpg thumbs to extract from video file



find "$STARTDIR" -name "$SCENE" -exec /bin/sh /root/extract.sh {} 5 \;



# end

Part 2 extract.sh

Code:

#!/bin/bash



# Author: Hans Waasdorp [email protected]

# extract.sh



# To install save script as extract.sh, chmod 755 extract.sh



# server requirements for script to function:

# ffmpeg + required codecs for media formats

# ImageMagick (convert binary)



# edit variables to your requirements, don't run this script manually

# this script is called automatically by vidscan.sh



SECOND=1;

if [ "x"$2 == "x" ]; then

  FIN=$SECOND

else

  FIN=$2

fi



# loop until it has captured the number of captures requested

while [ $SECOND -le $FIN ]; do

/usr/bin/ffmpeg -i "$1" -vcodec png -vframes 1 -ss "$SECOND"  -an -f rawvideo -y "./$SECOND.png"



# quality 0 best compression 100 no compression, resize thumb dimension



if [ -s "$SECOND.png" ]

then

   /usr/bin/convert "$SECOND.png" -quality 80 -resize 160x120 "$SECOND.jpg"

   unlink "$SECOND.png"

else

   unlink "$SECOND.png"

   break

fi



# next part saves thumbnail as foldername_1.jpg where 1 is first thumb extracted.



if [ -f "$SECOND.jpg" ]; then

   IFS="|BEER|"

   CURDIR="$1"

   DIR=`dirname "$CURDIR"`

   BASEDIR=`basename "$DIR"`

   mv "$SECOND.jpg" "$DIR"/"$BASEDIR"_"$SECOND.jpg"

   IFS=" "



# next part changes permissions to 777 and sets ownership to mas and groupname to mas



chmod 777 $DIR/*.jpg

chown mas:mas $DIR/*.jpg



fi



SECOND=$[$SECOND+1];



done

Feel free to comment on it, suggest improvements or telling me it sucks

I might use your comments to improve the script if your comments makes
sense......Flames and thrash comments I'll read for entertainment and will
be ignored.......if you can better do it yourself and post your result.....only
if you it's really better I'll gladly admit and use your result myself......

Request for help and/or assistence post them here or email me. When I
have time I'll be more than happy to assist.......

The script comes without any warranty....the use of it I won't take any
liability for damage to your server and/or data check the code before
running it....if it doesn't make any sense to you either ask before you run
it or hope for the best......if you decide to gamble on it......then accept
the consequences if your gamble turns out that you lose......

It's advisable to first test it in a safe folder with a copy of the files you
test it on.....before even thinking to use it on your live data before being
sure it does exactly what you hope/think/guess it will do........
DON'T COME TO ME TO COMPLAIN WHEN WHEN IT FUCKS UP YOUR SHIT!!!
YOU HAVE BEEN WARNED!!!!!!!

so that's out of the way.....I'll finish by saying that it does exactly what I
said it will do......so if you be careful it's very unlikely anything bad will
happen when using it.........if you have any doubts just ask and I'll explain
if it's safe for you to use........

Time to get some sleep now......behave while I'm gone and see you all
my GFY friends tomorrow........I hope some of you can use this as if you
do it saves can save you a LOT of time......I googled to see if there was
anything like this I could use........either I used the wrong terms to find
it which to be honest really got me suprised.......I expected to find dozens
of scripts that would do something similar like this....but I guess I was wrong
or just too stupid to be able to find them.......:thumbsup

Grouchy thanks again......your quick help is very much appreciated :thumbsup

Thanks for posting, going to test this baby...

you're welcome......lol the instructions I wrote for it are 5 times more than the actual code :1orglaugh

Quote:

Originally Posted by ServerGenius (Post 13079262)

you're welcome......lol the instructions I wrote for it are 5 times more than the actual code :1orglaugh

Now if only you had told me what you were trying to accomplish in, oh, a paragraph. :1orglaugh :1orglaugh :thumbsup

Glad I could help, Hans!

good job sg , do you mind if i repost this on my forum . ( with credit of course )

Quote:

Originally Posted by ServerGenius (Post 13079854)

shameless bump

I thought you were going to sleep, man! :1orglaugh

Quote:

Originally Posted by SmokeyTheBear (Post 13079867)

good job sg , do you mind if i repost this on my forum . ( with credit of course )

thanks and of course I don't mind feel free to use it as you like :thumbsup

Quote:

Originally Posted by GrouchyAdmin (Post 13079869)

I thought you were going to sleep, man! :1orglaugh

lol I just got home......good night now :winkwink:

bump for the day crew

great job on the script man, this is a very useful tool!

Hey all, I've made a quick update to the script adding some more controlable
features from the command line.....it's still a work in progress though so more
updates will follow.

Current and Future updates of the script can be found and downloaded at:

http://www.sinnerscash.com/vidscan/index.html

Feel free to grab it free of charge and bookmark URL to fetch future updates
when they're available..........or suggest and request new features you'd like to get added........enjoy! :thumbsup

Quote:

Originally Posted by ServerGenius (Post 13080969)

bump for the day crew

Nice script, mines a little more basic

Code:

#!/bin/sh



# make life easier 1.0

# script to convert, split and create thumbs for videos



case "$1" in

thumbs)



## this will grab a screen shot 4 seconds in of a flash video



for i in *.flv; do ffmpeg -an -y -t 00:00:04 -i "$i" -f image2 "`echo $i |sed 's/.flv$/.jpg/'`" ;done

;;



## this will convert all the mpegs in a directory to flash video format



convert)

for i in *.mpg; do ffmpeg -i "$i" "`echo $i |sed 's/.mpg$/.flv/'`" ;done

;;



## this split cuts the video from start to 1 minute in



split)

for i in *.mpg; do ffmpeg -i "$i" -vcodec copy -acodec copy -ss 00:00:00 -t 00:01:00 split-$i; done

;;

*)



echo "Usage: `basename $0` {thumbs|convert|split}" >&2

exit 64

;;

esac



exit 0

This fucked up my server!!! YOU OWE ME $1000 in lost earnings!!!!!! ICQ me you ratbag!!!

little joke there...

Quote:

Originally Posted by Fris (Post 13098056)

Nice script, mines a little more basic

Code:

#!/bin/sh



# make life easier 1.0

# script to convert, split and create thumbs for videos



case "$1" in

thumbs)



## this will grab a screen shot 4 seconds in of a flash video



for i in *.flv; do ffmpeg -an -y -t 00:00:04 -i "$i" -f image2 "`echo $i |sed 's/.flv$/.jpg/'`" ;done

;;



## this will convert all the mpegs in a directory to flash video format



convert)

for i in *.mpg; do ffmpeg -i "$i" "`echo $i |sed 's/.mpg$/.flv/'`" ;done

;;



## this split cuts the video from start to 1 minute in



split)

for i in *.mpg; do ffmpeg -i "$i" -vcodec copy -acodec copy -ss 00:00:00 -t 00:01:00 split-$i; done

;;

*)



echo "Usage: `basename $0` {thumbs|convert|split}" >&2

exit 64

;;

esac



exit 0

Cool script there....good idea....a split/chop feature :thumbsup

nice!
I was JUST about to write something that does the same thing in php for a project, but I'll give this a shot instead

Thanks!

damn, a useful business thread wtf

Quote:

Originally Posted by k0nr4d (Post 13098378)

nice!
I was JUST about to write something that does the same thing in php for a project, but I'll give this a shot instead

Thanks!

php version is on the todolist :thumbsup

Quote:

Originally Posted by a1ka1ine (Post 13098391)

damn, a useful business thread wtf

sorry :error

Almost all servers come with GD together with php. Any reason why you use Imagemagic?

Interesting. Nice thread, thanks.

Quote:

Originally Posted by Calvinguy (Post 13098772)

Almost all servers come with GD together with php. Any reason why you use Imagemagic?

yes coz the quality is much better with ImageMagick than with gd :2 cents:

hmm, what do you need a script for? as long as you have ffmpeg installed you can do it with a single shell command...

Quote:

Originally Posted by woj (Post 13102792)

hmm, what do you need a script for? as long as you have ffmpeg installed you can do it with a single shell command...

If you have VirtualDub, you can hit Ctrl-C; and if you read the thread, you can have the reason for the script's existence.

heres a simple dirty php script to take screenshots from a video and turn them into an animated gif

Code:

<?php

// define individual screenshot path



$t1 = "/home/account/public_html/videos/screenshot-1.jpg";

$t2 = "/home/account/public_html/videos/screenshot-2.jpg";

$t3 = "/home/account/public_html/videos/screenshot-3.jpg";

$t4 = "/home/account/public_html/videos/screenshot-4.jpg";



// define movie path

$targetmovie = "/home/account/public_html/videos/example.mpg"; 



//take screenshots



$fop = exec("/usr/local/bin/ffmpeg -i ".$targetmovie." -an -ss 1 -t 00:01:07 -r 1 -y -s qcif -f mjpeg ".$t1); 

echo $fop;

$fop = exec("/usr/local/bin/ffmpeg -i ".$targetmovie." -an -ss 2 -t 00:02:07 -r 1 -y -s qcif -f mjpeg ".$t2); 

echo $fop;

$fop = exec("/usr/local/bin/ffmpeg -i ".$targetmovie." -an -ss 3 -t 00:03:09 -r 1 -y -s qcif -f mjpeg ".$t3); 

echo $fop;

$fop = exec("/usr/local/bin/ffmpeg -i ".$targetmovie." -an -ss 4 -t 00:04:10 -r 1 -y -s qcif -f mjpeg ".$t4); 

echo $fop;



//make animated gif

$will = exec("/usr/bin/convert -delay 3 -loop 0 /home/account/public_html/videos/screenshot*.gif /home/account/public_html/videos/animated.gif");

echo $will;



?>



<img src=http://yoursite.com/videos/animated.gif>

you will need to modify the server path's according to your server settings..

this thread delivers...nice
Thanks for these scripts!

Update your ffmpeg skills and post some new tricks.