gst-launch-1.0 decklinkvideosrc device-number=0 mode=1080p5994 connection=SDI ! queue ! videoconvert ! videorate ! \
               video/x-raw, format=I420, framerate=30/1 ! queue ! tee name v_source
               decklinkaudiosrc device-number=0 ! queue ! audioconvert ! voaacenc ! queue ! tee name=audio_src \
               \
               flvmux streamable=true name=mux_1 ! \
               rtmp2sink location="rtmp://rtmp_server/app/stream_1" \
               \
               video_raw_src. ! queue ! \
               videoscale ! video/x-raw,width=1920,height=1280 ! \
               x264enc tune=zerolatency key-int-max=10 ! mux_1. \
               audio_src. ! queue ! mux_1. \
               \
               flvmux streamable=true name=mux_2 ! \
               rtmp2sink location="rtmp://rtmp_server/app/stream_2" \
               \
               video_raw_src. ! queue ! \
               videoscale ! video/x-raw,width=720,height=480 ! \
               x264enc tune=zerolatency key-int-max=10 ! mux_2. \
               audio_src. ! queue ! mux_2.