Update app.py

app.py

@@ -142,13 +142,20 @@ def image_predict(image):
 
 def extract_frames(video):
     vidcap = cv2.VideoCapture(video)
+    vidcap = cv2.VideoCapture(video)
+    fps = vidcap.get(cv2.CAP_PROP_FPS)
+    nof = 5
+    frame_no = 0
     while vidcap.isOpened():
+        res = ""
+        render = None
         success, image = vidcap.read()
         if success ==False:
             break
-        res, render = image_predict(image)
+        if (frame_no*nof)%fps==0:
+            res, render = image_predict(image)
 
-        if res == "car car accident detected":
+        if len(res) >0:
             return (res, render)
     return ("", None)