Convert AVI to 3gp menggunakan ffmpeg

setelah googling sana sini akhirnya ketemu juga caranya convert file ke 3gp :D
# apt-get install ffmpeg

ffmpeg [[infile options][-i infile]]… {[outfile options] outfile}…

Convert from MPG to 3GP
ffmpeg -i video_clip.mpg -s qcif -vcodec h263 -acodec mp3 -ac 1 -ar 8000 -ab 32 -y clip.3gp

Convert from AVI to 3GP
ffmpeg -i video_clip.avi-s qcif -vcodec h263 -acodec mp3 -ac 1 -ar 8000 -r 25 -ab 32 -y clip.3gp

Convert from 3GP to AVI
ffmpeg -i clip.3gp -f avi -vcodec xvid -acodec mp3 -ar 22050 file.avi