No wonder it's choppy with those bitrates. Try something like this: "#transcode{vcodec=h264,venc=x264{no-cabac,level=12,vbv-maxrate=384,vbv-bufsize=1000,keyint=75,ref=3,bframes=0},width=320,height=240,acodec=mp4a,ab=128,vb=384}:rtp{sdp=file:///usr/local/movies/t.sdp,mp4a-latm}" Oh yeah, g...