Quick and dirty virtual xserver forwarded to ledpanel, enjoy
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#!/bin/bash
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#
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# Usage: PULSE_SERVER=sound.waw.hackerspace.pl ./launch-led projectM-pulseaudio
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#
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trap 'pkill -P $$' SIGINT
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Xephyr -br -ac -noreset -screen 128x128 :1 &
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export DISPLAY=:1
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(while true; do
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gst-launch-1.0 -q ximagesrc use-damage=0 show-pointer=false endx=128 endy=128 ! queue ! videoconvert ! videorate ! video/x-raw,format=RGB,width=128,height=128 ! fdsink | python send.py 10.8.1.26 128 128
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sleep 0.5
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done) &
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# ...resize current window to screen size
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(#while true; do
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sleep 2
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xdotool search --onlyvisible . windowmove 0 0 windowsize 129 129
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sleep 10
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xdotool search --onlyvisible . windowmove 0 0 windowsize 129 129
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#done
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) &
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sleep 1
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$*
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pkill -P $$
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import sys
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import struct
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import socket
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if __name__ == "__main__":
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target = sys.argv[1]
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width = int(sys.argv[2])
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height = int(sys.argv[3])
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size = width*height*3
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prefix = struct.pack(
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'!BBHBB', 0x9c, 0xda, size, 0, 1)
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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while True:
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buf = prefix + sys.stdin.read(size) + '\x36'
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if len(buf) == 7:
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exit(1)
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sock.sendto(buf, (target, 65506))
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