I want one stream video from webcam, to two out video, one full and other cropped. I was try followed command lines, but it is not worked: cvlc -vv v4l2:///dev/video0:chroma=YUYV --v4l2-width 1600 --v4l2-height 1200 --sout '#transcode{vcodec=mp2v}:duplicate{dst="rtp{mux=ts,sdp=rtsp://:8888/park...