raw-YUV to MP4

rawvideo.rb

# ruby rawvideo.rb &
# ffmpeg -f rawvideo -pix_fmt yuv444p -color_range 2 -s:v 160x120 -r 30 -i tcp://127.0.0.1:8888 \
#        -c:v libx264 -profile:v baseline -pix_fmt yuv420p -y output.mp4
require 'socket'

server = TCPServer.new("127.0.0.1", 8888)
sock = server.accept
(0..255).map{|y|
  image  = ([y].pack("C")) * 160 * 120
  image += ([127].pack("C")) * 160 * 120
  image += ([127].pack("C")) * 160 * 120
  15.times do
    sock.write image
  end
}
sock.close
server.close