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Copy pathmjpeg_server_octoprint.py
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mjpeg_server_octoprint.py
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#!/usr/bin/python3
# This is the same as mjpeg_server.py, but uses the h/w MJPEG encoder.
import io
import logging
import socketserver
from http import server
from threading import Condition
from picamera2 import Picamera2
from picamera2.encoders import MJPEGEncoder
from picamera2.outputs import FileOutput
PAGE = """\
<html>
<head>
<title>picamera2 MJPEG streaming demo</title>
</head>
<body>
<h1>Picamera2 MJPEG Streaming Demo</h1>
<img src="stream.mjpg" width="640" height="480" />
</body>
</html>
"""
class StreamingOutput(io.BufferedIOBase):
def __init__(self):
self.frame = None
self.condition = Condition()
def write(self, buf):
with self.condition:
self.frame = buf
self.condition.notify_all()
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))
elif self.path == '/single':
self.send_response(200)
self.send_header('Cache-Control', 'no-cache, private')
self.send_header('Pragma', 'no-cache')
self.send_header('Content-Type', 'image/jpeg')
with output.condition:
output.condition.wait()
frame = output.frame
self.send_header('Content-Length', len(frame))
self.end_headers()
self.wfile.write(frame)
else:
self.send_error(404)
self.end_headers()
class StreamingServer(socketserver.ThreadingMixIn, server.HTTPServer):
allow_reuse_address = True
daemon_threads = True
picam2 = Picamera2()
picam2.configure(picam2.create_video_configuration(main={"size": (640, 480)}))
output = StreamingOutput()
picam2.start_recording(MJPEGEncoder(), FileOutput(output))
try:
address = ('', 8080)
server = StreamingServer(address, StreamingHandler)
server.serve_forever()
finally:
picam2.stop_recording()