python stream web raspberrry camera

Solutions on MaxInterview for python stream web raspberrry camera by the best coders in the world

showing results for - "python stream web raspberrry camera"

09 Jan 2019

1# Web streaming example
2# Source code from the official PiCamera package
3# http://picamera.readthedocs.io/en/latest/recipes2.html#web-streaming
4
5import io
6import picamera
7import logging
8import socketserver
9from threading import Condition
10from http import server
11
12PAGE="""\
13<html>
14<head>
15<title>Raspberry Pi - Surveillance Camera</title>
16</head>
17<body>
18<center><h1>Raspberry Pi - Surveillance Camera</h1></center>
19<center><img src="stream.mjpg" width="640" height="480"></center>
20</body>
21</html>
22"""
23
24class StreamingOutput(object):
25    def __init__(self):
26        self.frame = None
27        self.buffer = io.BytesIO()
28        self.condition = Condition()
29
30    def write(self, buf):
31        if buf.startswith(b'\xff\xd8'):
32            # New frame, copy the existing buffer's content and notify all
33            # clients it's available
34            self.buffer.truncate()
35            with self.condition:
36                self.frame = self.buffer.getvalue()
37                self.condition.notify_all()
38            self.buffer.seek(0)
39        return self.buffer.write(buf)
40
41class StreamingHandler(server.BaseHTTPRequestHandler):
42    def do_GET(self):
43        if self.path == '/':
44            self.send_response(301)
45            self.send_header('Location', '/index.html')
46            self.end_headers()
47        elif self.path == '/index.html':
48            content = PAGE.encode('utf-8')
49            self.send_response(200)
50            self.send_header('Content-Type', 'text/html')
51            self.send_header('Content-Length', len(content))
52            self.end_headers()
53            self.wfile.write(content)
54        elif self.path == '/stream.mjpg':
55            self.send_response(200)
56            self.send_header('Age', 0)
57            self.send_header('Cache-Control', 'no-cache, private')
58            self.send_header('Pragma', 'no-cache')
59            self.send_header('Content-Type', 'multipart/x-mixed-replace; boundary=FRAME')
60            self.end_headers()
61            try:
62                while True:
63                    with output.condition:
64                        output.condition.wait()
65                        frame = output.frame
66                    self.wfile.write(b'--FRAME\r\n')
67                    self.send_header('Content-Type', 'image/jpeg')
68                    self.send_header('Content-Length', len(frame))
69                    self.end_headers()
70                    self.wfile.write(frame)
71                    self.wfile.write(b'\r\n')
72            except Exception as e:
73                logging.warning(
74                    'Removed streaming client %s: %s',
75                    self.client_address, str(e))
76        else:
77            self.send_error(404)
78            self.end_headers()
79
80class StreamingServer(socketserver.ThreadingMixIn, server.HTTPServer):
81    allow_reuse_address = True
82    daemon_threads = True
83
84with picamera.PiCamera(resolution='640x480', framerate=24) as camera:
85    output = StreamingOutput()
86    #Uncomment the next line to change your Pi's Camera rotation (in degrees)
87    #camera.rotation = 90
88    camera.start_recording(output, format='mjpeg')
89    try:
90        address = ('', 8000)
91        server = StreamingServer(address, StreamingHandler)
92        server.serve_forever()
93    finally:
94        camera.stop_recording()
95

source

queries leading to this page

raspberry camera python raspberry pi camera stream python raspberry pi camera python stream to webserver raspberry pi camera python stream to web server python stream web raspberrry camera