change vid writer for mp4

app.py

@@ -67,9 +67,10 @@ with gr.Blocks() as demo:
                 video_out = gr.Video(format='mp4')
 
         run_btn = gr.Button("Predict")
-        run_btn.click(fn=predict, inputs=[video_in], outputs=[video_out])
+        pred_tbox = gr.Textbox(label="Prediction Time")
+        run_btn.click(fn=predict, inputs=[video_in], outputs=[video_out, pred_tbox])
         gr.Examples(fn=predict, examples=video_examples, inputs=[
-                    video_in], outputs=[video_out])
+                    video_in], outputs=[video_out, pred_tbox])
 
     with gr.Tab("Image"):
         with gr.Row():

classifier.py

@@ -64,7 +64,7 @@ class Classifier:
             fps = int(cap.get(5))
 
             # Define the codec and create a VideoWriter object to save the output video as .MOV
-            fourcc = cv2.VideoWriter_fourcc('a', 'v', 'c', '1')
+            fourcc = cv2.VideoWriter_fourcc(*'MP4V')
             out = cv2.VideoWriter(self.output_path, fourcc, fps,
                                   (frame_width, frame_height))