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78 lines
2.5 KiB
Python
78 lines
2.5 KiB
Python
# MJPEG Streaming AP.
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#
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# This example shows off how to do MJPEG streaming in AccessPoint mode.
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# Chrome, Firefox and MJpegViewer App on Android have been tested.
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# Connect to OPENMV_AP and use this URL: http://192.168.1.1:8080 to view the stream.
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import sensor, image, time, network, usocket, sys
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SSID ='OPENMV_AP' # Network SSID
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KEY ='1234567890' # Network key (must be 10 chars)
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HOST = '' # Use first available interface
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PORT = 8080 # Arbitrary non-privileged port
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# Reset sensor
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sensor.reset()
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sensor.set_framesize(sensor.QQVGA)
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sensor.set_pixformat(sensor.GRAYSCALE)
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# Init wlan module in AP mode.
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wlan = network.WINC(mode=network.WINC.MODE_AP)
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wlan.start_ap(SSID, key=KEY, security=wlan.WEP, channel=2)
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print("AP mode started. SSID: {} IP: {}".format(SSID, wlan.ifconfig()[0]))
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# You can block waiting for client to connect
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#print(wlan.wait_for_sta(10000))
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def start_streaming(s):
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print ('Waiting for connections..')
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client, addr = s.accept()
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# set client socket timeout to 2s
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client.settimeout(2.0)
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print ('Connected to ' + addr[0] + ':' + str(addr[1]))
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# Read request from client
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data = client.recv(1024)
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# Should parse client request here
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# Send multipart header
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client.send("HTTP/1.1 200 OK\r\n" \
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"Server: OpenMV\r\n" \
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"Content-Type: multipart/x-mixed-replace;boundary=openmv\r\n" \
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"Cache-Control: no-cache\r\n" \
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"Pragma: no-cache\r\n\r\n")
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# FPS clock
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clock = time.clock()
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# Start streaming images
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# NOTE: Disable IDE preview to increase streaming FPS.
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while (True):
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clock.tick() # Track elapsed milliseconds between snapshots().
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frame = sensor.snapshot()
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cframe = frame.compressed(quality=35)
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header = "\r\n--openmv\r\n" \
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"Content-Type: image/jpeg\r\n"\
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"Content-Length:"+str(cframe.size())+"\r\n\r\n"
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client.send(header)
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client.send(cframe)
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print(clock.fps())
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while (True):
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# Create server socket
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s = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)
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try:
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# Bind and listen
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s.bind([HOST, PORT])
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s.listen(5)
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# Set server socket timeout
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# NOTE: Due to a WINC FW bug, the server socket must be closed and reopened if
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# the client disconnects. Use a timeout here to close and re-create the socket.
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s.settimeout(3)
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start_streaming(s)
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except OSError as e:
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s.close()
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print("socket error: ", e)
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#sys.print_exception(e)
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