PHP Video Transcoder Script

Description: I wish to have a simple form page that allows people to upload some video files along with meta data, e.g. Name, Phone, Category, Description. I wish to have the Video transcoded (ffmpeg is installed) into a reasonabily sized .flv or .swf file (less than 20Mb) to allow it to be uploaded to a gallery website. Requirements: Form to upload data above (name, phone, category, description, File (up to 64Mb) Video's are transcoded overnight (between 12am and 6am). Transcoded Video's along with Meta data is emailed to an email address for processing. ** ** Alternative suggestion here would be entertained.