Adding more structure and first files

2025-01-23 18:24:57 +01:00
parent 1ea9d684b8
commit 318e69e626
3 changed files with 131 additions and 1 deletions
--- a/python/pypeepr.py
+++ b/python/pypeepr.py
@ -0,0 +1,128 @@
+import io
+import logging
+import socketserver
+from http import server
+from threading import Condition
+
+from picamera2 import Picamera2
+from picamera2.encoders import JpegEncoder
+from picamera2.outputs import FileOutput
+
+PAGE = """\
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>peepr</title>
+    <style>
+        body {
+            margin: 0;
+            font-family: Arial, sans-serif;
+            background-color: #121212;
+            color: #b9f084;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            height: 100vh;
+        }
+
+        .container {
+            position: relative;
+            display: inline-block;
+        }
+
+        .title {
+            position: absolute;
+            top: 10px;
+            left: 10px;
+            background: rgba(0, 0, 0, 0.5);
+            padding: 5px 10px;
+            border-radius: 5px;
+            font-size: 18px;
+            color: #b9f084;
+        }
+
+        img {
+            border-radius: 10px;
+            display: block;
+        }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="title">peepr</div>
+        <img src="stream.mjpg" width="800" height="480" alt="Webcam Stream">
+    </div>
+</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))
+        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": (800, 480)}))
+output = StreamingOutput()
+picam2.start_recording(JpegEncoder(), FileOutput(output))
+
+try:
+    address = ('', 7123)
+    server = StreamingServer(address, StreamingHandler)
+    server.serve_forever()
+finally:
+    picam2.stop_recording()
+