Update app.py

app.py

@@ -9,14 +9,29 @@ uploaded_file = st.file_uploader("Choose a video...", type=["mp4"])
 temporary_location = False
 
 if uploaded_file is not None:
-    g = io.BytesIO(uploaded_file.read())  ## BytesIO Object
-    temporary_location = "testout_simple.mp4"
-
-    with open(temporary_location, 'wb') as out:  ## Open temporary file as bytes
-        out.write(g.read())  ## Read bytes into file
-
-    # close file
-    out.close()
+    video_file = st.file_uploader(‘video’, type = [‘mp4’])
+    cap = cv2.VideoCapture(video_file)
+
+    output = cv2.VideoWriter(“path”,cv2.VideoWriter_fourcc(*’MPEG’),30,(1080,1920))
+
+    while cap.isOpened():
+        # Capture frame-by-frame
+        ret, frame = cap.read()
+        # if frame is read correctly ret is True
+        if not ret:
+            print("Can't receive frame (stream end?). Exiting ...")
+            break
+        # Our operations on the frame come here
+        gray = cv.cvtColor(frame, cv.COLOR_BGR2GRAY)
+        output.write(frame)
+        # Display the resulting frame
+        cv.imshow('frame', gray)
+        if cv.waitKey(1) == ord('q'):
+            break
+
+    cv2.destroyAllWindows() 
+    output.release() 
+    cap.release() 
 
 
 # @st.cache(allow_output_mutation=True)