ffmpeg is a command line tool to convert multimedia files between formats and it is a very power full tool for video manipulation.

Download ffmpeg using subversion

run below command

$ svn checkout svn://svn.mplayerhq.hu/ffmpeg/trunk ffmpeg

After downloading change the directory to ffmpeg

$ cd ffmpeg

Then run ./configure like below

$ ./configure –enable-libmp3lame  –disable-mmx –enable-shared

After configuring then run make command

$ make
$ make install

After installing check ffmpeg is working or not using below command

$ ffmpeg -formats > ffmpeg-test.txt

cat ffmpeg-test.txt to see the output like below

D means decode
E means encode
V means video
A means audio
T = Truncated