working

receive_images.py

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+import socket
+import cv2
+import numpy as np
+import struct
+
+HOST = "0.0.0.0"   # nasłuchuj na wszystkich interfejsach
+PORT = 9999
+
+server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+server_socket.bind((HOST, PORT))
+server_socket.listen(1)
+
+print("Serwer nasłuchuje na port", PORT)
+conn, addr = server_socket.accept()
+print("Połączono z:", addr)
+
+data = b""
+payload_size = struct.calcsize("Q")  # 8 bajtów na długość ramki
+
+while True:
+    while len(data) < payload_size:
+        packet = conn.recv(4096)
+        if not packet:
+            break
+        data += packet
+    if not data:
+        break
+
+    packed_msg_size = data[:payload_size]
+    data = data[payload_size:]
+    msg_size = struct.unpack("Q", packed_msg_size)[0]
+
+    while len(data) < msg_size:
+        data += conn.recv(4096)
+
+    frame_data = data[:msg_size]
+    data = data[msg_size:]
+
+    frame = np.frombuffer(frame_data, dtype=np.uint8)
+    frame = cv2.imdecode(frame, cv2.IMREAD_COLOR)
+
+    cv2.imshow("Odebrany obraz", frame)
+    if cv2.waitKey(1) & 0xFF == ord('q'):
+        break
+
+conn.close()
+server_socket.close()
+cv2.destroyAllWindows()