fix(ui): making get_available_cameras() dynamic

modules/ui.py

@@ -414,7 +414,7 @@ def create_root(
     # --- Camera Selection ---
     camera_label = ctk.CTkLabel(root, text="Select Camera:")
     camera_label.place(relx=0.4, rely=0.86, relwidth=0.2, relheight=0.05)
-    available_cameras = get_available_cameras()
+    available_cameras = get_available_cameras(10)
     # Convert camera indices to strings for CTkOptionMenu
     available_camera_strings = [str(cam) for cam in available_cameras]
     camera_variable = ctk.StringVar(
@@ -1018,14 +1018,14 @@ def webcam_preview(root: ctk.CTk, camera_index: int):
         create_source_target_popup_for_webcam(root, modules.globals.souce_target_map)
 
 
-def get_available_cameras():
+def get_available_cameras(max_cameras=10):
     """Returns a list of available camera indices."""
     available_cameras = []
-    for index in range(10):  # Check for cameras with index 0 to 9
-        camera = cv2.VideoCapture(index)
-        if camera.isOpened():
-            available_cameras.append(index)
-            camera.release()
+    for i in range(max_cameras):
+        cap = cv2.VideoCapture(i)
+        if cap.isOpened():
+            available_cameras.append(i)
+            cap.release()
     return available_cameras