nilsmagnus/rasperry_cctv.py

## rasperry_cctv.py
# Web streaming example
# Source code from the official PiCamera package
# http://picamera.readthedocs.io/en/latest/recipes2.html#web-streaming

import io
import picamera
import logging
import socketserver
from threading import Condition
from http import server

PAGE="""\
<html>
<head>
<title>Raspberry Pi - Surveillance Camera</title>
</head>
<body>
<center><h1>Raspberry Pi - Surveillance Camera</h1></center>
<center><img src="stream.mjpg" width="640" height="480"></center>
</body>
</html>
"""

class StreamingOutput(object):
    def __init__(self):
        self.frame = None
        self.buffer = io.BytesIO()
        self.condition = Condition()

    def write(self, buf):
        if buf.startswith(b'\xff\xd8'):
            # New frame, copy the existing buffer's content and notify all
            # clients it's available
            self.buffer.truncate()
            with self.condition:
                self.frame = self.buffer.getvalue()
                self.condition.notify_all()
            self.buffer.seek(0)
        return self.buffer.write(buf)

class StreamingHandler(server.BaseHTTPRequestHandler):
    def do_GET(self):
        if self.path == '/':
            self.send_response(301)
            self.send_header('Location', '/index.html')
            self.end_headers()
        elif self.path == '/index.html':
            content = PAGE.encode('utf-8')
            self.send_response(200)
            self.send_header('Content-Type', 'text/html')
            self.send_header('Content-Length', len(content))
            self.end_headers()
            self.wfile.write(content)
        elif self.path == '/stream.mjpg':
            self.send_response(200)
            self.send_header('Age', 0)
            self.send_header('Cache-Control', 'no-cache, private')
            self.send_header('Pragma', 'no-cache')
            self.send_header('Content-Type', 'multipart/x-mixed-replace; boundary=FRAME')
            self.end_headers()
            try:
                while True:
                    with output.condition:
                        output.condition.wait()
                        frame = output.frame
                    self.wfile.write(b'--FRAME\r\n')
                    self.send_header('Content-Type', 'image/jpeg')
                    self.send_header('Content-Length', len(frame))
                    self.end_headers()
                    self.wfile.write(frame)
                    self.wfile.write(b'\r\n')
            except Exception as e:
                logging.warning(
                    'Removed streaming client %s: %s',
                    self.client_address, str(e))
        else:
            self.send_error(404)
            self.end_headers()

class StreamingServer(socketserver.ThreadingMixIn, server.HTTPServer):
    allow_reuse_address = True
    daemon_threads = True

with picamera.PiCamera(resolution='640x480', framerate=24) as camera:
    output = StreamingOutput()
    #Uncomment the next line to change your Pi's Camera rotation (in degrees)
    #camera.rotation = 90
    camera.start_recording(output, format='mjpeg')
    try:
        address = ('', 8000)
        server = StreamingServer(address, StreamingHandler)
        server.serve_forever()
    finally:
        camera.stop_recording()
	# Web streaming example
	# Source code from the official PiCamera package
	# http://picamera.readthedocs.io/en/latest/recipes2.html#web-streaming

	import io
	import picamera
	import logging
	import socketserver
	from threading import Condition
	from http import server

	PAGE="""\
	<html>
	<head>
	<title>Raspberry Pi - Surveillance Camera</title>
	</head>
	<body>
	<center><h1>Raspberry Pi - Surveillance Camera</h1></center>
	<center><img src="stream.mjpg" width="640" height="480"></center>
	</body>
	</html>
	"""

	class StreamingOutput(object):
	def __init__(self):
	self.frame = None
	self.buffer = io.BytesIO()
	self.condition = Condition()

	def write(self, buf):
	if buf.startswith(b'\xff\xd8'):
	# New frame, copy the existing buffer's content and notify all
	# clients it's available
	self.buffer.truncate()
	with self.condition:
	self.frame = self.buffer.getvalue()
	self.condition.notify_all()
	self.buffer.seek(0)
	return self.buffer.write(buf)

	class StreamingHandler(server.BaseHTTPRequestHandler):
	def do_GET(self):
	if self.path == '/':
	self.send_response(301)
	self.send_header('Location', '/index.html')
	self.end_headers()
	elif self.path == '/index.html':
	content = PAGE.encode('utf-8')
	self.send_response(200)
	self.send_header('Content-Type', 'text/html')
	self.send_header('Content-Length', len(content))
	self.end_headers()
	self.wfile.write(content)
	elif self.path == '/stream.mjpg':
	self.send_response(200)
	self.send_header('Age', 0)
	self.send_header('Cache-Control', 'no-cache, private')
	self.send_header('Pragma', 'no-cache')
	self.send_header('Content-Type', 'multipart/x-mixed-replace; boundary=FRAME')
	self.end_headers()
	try:
	while True:
	with output.condition:
	output.condition.wait()
	frame = output.frame
	self.wfile.write(b'--FRAME\r\n')
	self.send_header('Content-Type', 'image/jpeg')
	self.send_header('Content-Length', len(frame))
	self.end_headers()
	self.wfile.write(frame)
	self.wfile.write(b'\r\n')
	except Exception as e:
	logging.warning(
	'Removed streaming client %s: %s',
	self.client_address, str(e))
	else:
	self.send_error(404)
	self.end_headers()

	class StreamingServer(socketserver.ThreadingMixIn, server.HTTPServer):
	allow_reuse_address = True
	daemon_threads = True

	with picamera.PiCamera(resolution='640x480', framerate=24) as camera:
	output = StreamingOutput()
	#Uncomment the next line to change your Pi's Camera rotation (in degrees)
	#camera.rotation = 90
	camera.start_recording(output, format='mjpeg')
	try:
	address = ('', 8000)
	server = StreamingServer(address, StreamingHandler)
	server.serve_forever()
	finally:
	camera.stop_recording()