mirror of https://github.com/python/cpython
75 lines
1.4 KiB
Python
75 lines
1.4 KiB
Python
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#!/ufs/guido/bin/sgi/python-405
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# Receive live video UDP packets.
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# Usage: Vreceive [port]
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import sys
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import struct
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from socket import *
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import select
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import gl, GL, DEVICE
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sys.path.append('/ufs/guido/src/video')
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import LiveVideoOut
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PKTMAX = 16*1024
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WIDTH = 400
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HEIGHT = 300
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HOST = ''
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PORT = 5555
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def main():
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port = PORT
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if sys.argv[1:]:
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port = eval(sys.argv[1])
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width, height = WIDTH, HEIGHT
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gl.foreground()
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gl.prefsize(width, height)
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wid = gl.winopen('Vreceive')
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gl.qdevice(DEVICE.ESCKEY)
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gl.qdevice(DEVICE.WINSHUT)
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gl.qdevice(DEVICE.WINQUIT)
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x, y = gl.getorigin()
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lvo = LiveVideoOut.LiveVideoOut().init(wid, (x, y, width, height), \
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width, height)
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s = socket(AF_INET, SOCK_DGRAM)
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s.bind(HOST, port)
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ifdlist = [gl.qgetfd(), s.fileno()]
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ofdlist = []
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xfdlist = []
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timeout = 1.0
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selectargs = (ifdlist, ofdlist, xfdlist, timeout)
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while 1:
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if gl.qtest():
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dev, val = gl.qread()
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if dev in (DEVICE.ESCKEY, \
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DEVICE.WINSHUT, DEVICE.WINQUIT):
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break
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if dev == DEVICE.REDRAW:
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gl.clear()
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elif s.avail():
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data = s.recv(16*1024)
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pos, w, h = struct.unpack('hhh', data[:6])
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if (w, h) <> (width, height):
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x, y = gl.getorigin()
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y = y + height - h
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width, height = w, h
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lvo.close()
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lvo = LiveVideoOut.LiveVideoOut() \
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.init(wid, (x, y, width, height), \
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width, height)
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lvo.putnextpacket(pos, data[6:])
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else:
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x = select.select(selectargs)
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lvo.close()
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main()
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