Without resolution change:
ffmpeg -i - -b:v 1M -b:a 128k -preset ultrafast -f matroska - | netcat -lp 8123
Downsampling from to 1280×720:
ffmpeg -i - -vf scale=-1:720 -b:v 1M -b:a 128k -preset ultrafast -f matroska - | netcat -lp 8123
Receiving with VLC and netcat:
netcat server.ip 8123 | vlc -
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