# Liquidsoap Crazy powerful yet really hard for me to understand streaming media scripting language. ## %ffmpeg You can give `%ffmpeg(%video)` scaling and framerate settings. Here's a 640x480 video with a 900kbps bitrate at 29.97fps: ``` %ffmpeg( %video(codec="libtheora",b="900k",width=640,height=480,framerate=29.97) ```