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77 lines
2.2 KiB
Python
77 lines
2.2 KiB
Python
# MJPEG Streaming
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#
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# This example shows off how to do MJPEG streaming to a FIREFOX webrowser
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# Chrome, Firefox and MJpegViewer App on Android have been tested.
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# Connect to the IP address/port printed out from ifconfig to view the stream.
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import sensor, image, time, network, usocket, sys
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SSID ='' # Network SSID
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KEY ='' # Network key
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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 and connect to network
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print("Trying to connect... (may take a while)...")
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wlan = network.WINC()
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wlan.connect(SSID, key=KEY, security=wlan.WPA_PSK)
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# We should have a valid IP now via DHCP
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print(wlan.ifconfig())
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# Create server socket
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s = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)
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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 to blocking
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s.setblocking(True)
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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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try:
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start_streaming(s)
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except OSError as e:
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print("socket error: ", e)
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#sys.print_exception(e)
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