The ffmpeg is installed in the server. we are checked the ffmpeg and converted in  ( Libraries\Pictures ) using the command prompt
 
this is the command
 
To convert the file format
 
c:\ffmpeg\ffmpeg -i  sourcefilepath destination_filepath 
 

For extracting images from a video:
To cut the images ( it cut the images in the given time )
 
c:\ffmpeg\ffmpeg -y -t 0:0:0.001 -i test.flv -f image2 test%d.jpg 
 

c:\ffmpeg\ffmpeg -i foo.avi -r 1 -s WxH -f image2 foo-%03d.jpeg

This will extract one video frame per second from the video and will output them in files named `foo-001.jpeg', `foo-002.jpeg', etc. Images will be rescaled to fit the new WxH values. 


http://www.vidionline.com/php/7-how-to-install-ffmpeg-on-windows
 
 
 
64 -Bit 
 
http://ffmpeg.arrozcru.org/autobuilds/
 
 
ffmpeg commands
 
http://ffmpeg.org/ffmpeg-doc.html
 
 
http://www.catswhocode.com/blog/19-ffmpeg-commands-for-all-needs

Steps to Install FFMPEG in WAMP5 both in 32 and 64 bit OS

PHP