working

receiver.py

@@ -0,0 +1,62 @@
+import socket
+import struct
+import numpy as np
+import cv2
+import time
+
+HOST = '0.0.0.0'
+PORT = 9999
+
+sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+sock.bind((HOST, PORT))
+sock.listen(1)
+conn, addr = sock.accept()
+print(f"Connected by {addr}")
+
+total_bytes_received = 0
+start_time = time.time()
+
+
+def recvall(sock, n):
+    data = b''
+    while len(data) < n:
+        packet = sock.recv(n - len(data))
+        if not packet:
+            return None
+        data += packet
+    return data
+
+
+try:
+    while True:
+        # Odbiór długości
+        packed_len = recvall(conn, 4)
+        if not packed_len:
+            break
+        length = struct.unpack('!I', packed_len)[0]
+
+        # Odbiór danych
+        data = recvall(conn, length)
+        if not data:
+            break
+
+        total_bytes_received += length
+
+        # Dekodowanie JPEG
+        img_array = np.frombuffer(data, dtype=np.uint8)
+        frame = cv2.imdecode(img_array, cv2.IMREAD_COLOR)
+
+        cv2.imshow("Stream", frame)
+        if cv2.waitKey(1) & 0xFF == ord('q'):
+            break
+
+        elapsed = time.time() - start_time
+        if elapsed >= 1.0:
+            print(f"Download speed: {total_bytes_received * 8 / 1e6:.2f} Mbps")
+            total_bytes_received = 0
+            start_time = time.time()
+
+finally:
+    conn.close()
+    sock.close()
+    cv2.destroyAllWindows()