How to do 2-pass encoding?
Go to output tag in settings dialog. Check “Enable 2-pass encoding”, click “setup 1st pass” and select 1st pass as “Multipass 1st pass”. Click “Setup 2nd Pass” and select 2nd pass as “Multipass Nth Pass” in the configuration window of DivX codec. 2-pass encoding takes double time to encode compare to 1 pass mode but result in best video quality.