<source lang="ruby">#!/usr/bin/env ruby
require 'cucul'
require 'V4l'
require 'socket'
SHRINK_X = 5
SHRINK_Y = 10
Thread::abort_on_exception = true
current = ''
current_lock = Mutex.new
Thread.new {
  vid = V4l.new('/dev/video')
  cucul = Cucul::Canvas.new(vid.width / SHRINK_X, vid.height / SHRINK_Y)
  d = Cucul::Dither::new(24, vid.width, vid.height, 3 * vid.width, 0xff, 0xff00, 0xff0000, 0)
  d.antialias = 'prefilter'
  d.algorithm = 'fstein'
  d.brightness = 0.5
  d.gamma = 1.2
  loop do
    f = vid.get_frame
    cucul.dither_bitmap(0, 0, vid.width / SHRINK_X, vid.height / SHRINK_Y, d, f)
    current_lock.synchronize {
      current = cucul.export_memory('ansi')
    }
  end
}
s = TCPServer.new(2323)
while (c = s.accept)
  puts "accepted #{c.peeraddr.inspect}"
  Thread.new {
    begin
      loop do
        current_lock.synchronize {
          c.puts "\e[2J#{current}"
          c.flush
        }
        sleep 0.5
      end
    rescue Errno::EPIPE
    rescue Errno::ECONNRESET
    end
  }
end
</source>
[[Category:Ruby]]


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