ffmpeg library

URL di Gallery = http://lnx.sinapsi.org/wordpress/gallery/main.php
Versione di Gallery = 2.3.1 core 1.3.0.1
API = Core 7.54, Module 3.9, Theme 2.6, Embed 1.5
Versione PHP = 5.3.1 cgi-fcgi
Webserver = Apache/2.2
Database = mysqlt 5.0.82sp1-log, lock.system=flock
Strumenti = ArchiveUpload, Getid3, LinkItemToolkit, NetPBM, Thumbnail, ImageMagick, Exif, Gd
Accelerazione = partial/21600, partial/21600
Sistema operativo = Linux webxc02s08.ad.aruba.it 2.6.18-164.6.1.el5PAE #1 SMP Tue Nov 3 16:55:59 EST 2009 i686
Tema predefinito = matrix
gettext = abilitato
Locale = it_IT
Browser = Mozilla/5.0 (Windows; U; Windows NT 5.1; it; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7 (.NET CLR 3.5.30729)
Righe nella tabella GalleryAccessMap = 52
Righe nella tabella GalleryAccessSubscriberMap = 848
Righe nella tabella GalleryUser = 4
Righe nella tabella GalleryItem = 846
Righe nella tabella GalleryAlbumItem = 39
Righe nella tabella GalleryCacheMap = 11

I am trying to set ffmpeg library
I already asked my provider they say that the ffmpeg library is located in:
/usr/local/bin/ffmpeg
, but when I test it I get this. Please help setting ffmpeg. Thanks.

Version Information

/usr/local/bin/ffmpeg: error while loading shared libraries: libavdevice.so.52: cannot open shared object

file: No such file or directory
Debug output (1 failed test) -

We gathered this debug output while testing your Ffmpeg installation. If you read through this carefully you

may discover the reason why Ffmpeg failed the tests.

file_exists(/usr/local/bin/ffmpeg)
is_file(/usr/local/bin/ffmpeg)
Executing: (nice "/usr/local/bin/ffmpeg" "-formats" )
2>"/web/htdocs/www.sinapsi.org/home/wordpress/gallery/g2data/tmp/g2db"
file_exists(/web/htdocs/www.sinapsi.org/home/wordpress/gallery/g2data/tmp/g2db)
filesize(/web/htdocs/www.sinapsi.org/home/wordpress/gallery/g2data/tmp/g2db)
fopen(/web/htdocs/www.sinapsi.org/home/wordpress/gallery/g2data/tmp/g2db,
r, 0)
feof(Resource id #125)
fgets(Resource id #125, 4096)
feof(Resource id #125)
fgets(Resource id #125, 4096)
feof(Resource id #125)
fclose(Resource id #125)
unlink(/web/htdocs/www.sinapsi.org/home/wordpress/gallery/g2data/tmp/g2db)
Regular Output:
Error Output:
/usr/local/bin/ffmpeg: error while loading shared libraries:
libavdevice.so.52: cannot open shared object file: No such file or
directory
Status: 127 (expected 0)
Executing: (nice "/usr/local/bin/ffmpeg" "-version" )
2>"/web/htdocs/www.sinapsi.org/home/wordpress/gallery/g2data/tmp/g2db"
file_exists(/web/htdocs/www.sinapsi.org/home/wordpress/gallery/g2data/tmp/g2db)
filesize(/web/htdocs/www.sinapsi.org/home/wordpress/gallery/g2data/tmp/g2db)
fopen(/web/htdocs/www.sinapsi.org/home/wordpress/gallery/g2data/tmp/g2db,
r, 0)
feof(Resource id #127)
fgets(Resource id #127, 4096)
feof(Resource id #127)
fgets(Resource id #127, 4096)
feof(Resource id #127)
fclose(Resource id #127)
unlink(/web/htdocs/www.sinapsi.org/home/wordpress/gallery/g2data/tmp/g2db)
Regular Output:
Error Output:
/usr/local/bin/ffmpeg: error while loading shared libraries:
libavdevice.so.52: cannot open shared object file: No such file or
directory
Status: 127 (expected 0)
Executing: (nice "/usr/local/bin/ffmpeg" "-h" )
2>"/web/htdocs/www.sinapsi.org/home/wordpress/gallery/g2data/tmp/g2db"
file_exists(/web/htdocs/www.sinapsi.org/home/wordpress/gallery/g2data/tmp/g2db)
filesize(/web/htdocs/www.sinapsi.org/home/wordpress/gallery/g2data/tmp/g2db)
fopen(/web/htdocs/www.sinapsi.org/home/wordpress/gallery/g2data/tmp/g2db,
r, 0)
feof(Resource id #129)
fgets(Resource id #129, 4096)
feof(Resource id #129)
fgets(Resource id #129, 4096)
feof(Resource id #129)
fclose(Resource id #129)
unlink(/web/htdocs/www.sinapsi.org/home/wordpress/gallery/g2data/tmp/g2db)
Regular Output:
Error Output:
/usr/local/bin/ffmpeg: error while loading shared libraries:
libavdevice.so.52: cannot open shared object file: No such file or
directory
Status: 127 (expected 0)