Did you try to set the size directly in the transcode options? I've used transcode now as follows: H:\>vlc.exe rtsp://192.168.20.102:554/ch0_unicast_firststream --aspect-ratio=1.333 --sout="#transcode{vcodec=mp4v, width=320, height=240}:duplicate{dst=display, dst={std{access=file, mux=avi, dst...