How to use ffmpeg to convert a video stream from avi to flv

This is not our usual kind of information but ... here comes an example for trancoding between avi and flv.

ffmpeg -i "e:\ejemplo_chulo.avi" -y -r 25 -b 650000 -f flv -vcodec flv -ab 128 -ar 44100 salidata.flv

For a complete list of video and audio qualities see this link