use mjpeg and convert bgr to rgb

modules/capturer.py

@@ -4,13 +4,22 @@ import cv2
 
 def get_video_frame(video_path: str, frame_number: int = 0) -> Any:
     capture = cv2.VideoCapture(video_path)
+
+    # Set MJPEG format to ensure correct color space handling
+    capture.set(cv2.CAP_PROP_FOURCC, cv2.VideoWriter_fourcc(*'MJPG'))
+    # Force OpenCV to convert to RGB
+    capture.set(cv2.CAP_PROP_CONVERT_RGB, 1)
+    
     frame_total = capture.get(cv2.CAP_PROP_FRAME_COUNT)
     capture.set(cv2.CAP_PROP_POS_FRAMES, min(frame_total, frame_number - 1))
     has_frame, frame = capture.read()
-    capture.release()
+
     if has_frame:
-        return frame
-    return None
+        # Convert the frame color if necessary
+        frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
+
+    capture.release()
+    return frame if has_frame else None
 
 
 def get_video_frame_total(video_path: str) -> int: