From d5c28cdf3d61b9499129cbc6dcc44b2a29fb13ee Mon Sep 17 00:00:00 2001
From: Akesa-24 <aleksa24@ru.is>
Date: Thu, 15 Oct 2026 12:06:03 +0000
Subject: [PATCH] adding cam viewer

---
 rpi-cam-viewer.py | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 rpi-cam-viewer.py

diff --git a/rpi-cam-viewer.py b/rpi-cam-viewer.py
new file mode 100644
index 0000000..f9ac703
--- /dev/null
+++ b/rpi-cam-viewer.py
@@ -0,0 +1,40 @@
+import io
+from flask import Flask, Response
+from picamera2 import Picamera2
+from PIL import Image
+
+WIDTH, HEIGHT = 640, 400
+
+cam = Picamera2()
+cam.configure(cam.create_video_configuration(
+    main={"size": (WIDTH, HEIGHT), "format": "YUV420"},
+    controls={"FrameRate": 30}))
+cam.start()
+
+app = Flask(__name__)
+
+
+def frames():
+    while True:
+        gray = cam.capture_array("main")[:HEIGHT, :WIDTH]   # Y plane = greyscale image
+        buf = io.BytesIO()
+        Image.fromarray(gray).save(buf, format="JPEG", quality=70)
+        yield b"--frame\r\nContent-Type: image/jpeg\r\n\r\n" + buf.getvalue() + b"\r\n"
+
+
+@app.route("/")
+def index():
+    return ('<html><body style="margin:0;background:#111">'
+            '<img src="/stream" style="width:100%"></body></html>')
+
+
+@app.route("/stream")
+def stream():
+    return Response(frames(), mimetype="multipart/x-mixed-replace; boundary=frame")
+
+
+if __name__ == "__main__":
+    try:
+        app.run(host="0.0.0.0", port=8000, threaded=True)
+    finally:
+        cam.stop()
\ No newline at end of file