Update app.py

app.py

@@ -2,8 +2,15 @@ import gradio as gr
 import cv2
 
 def greet(image):
+    cap = cap = cv2.VideoCapture(video)
+    succes, img = vidcap.read()
     gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
     return gray
+    
+iface = gr.Interface(
+fn=greet, 
+inputs=gr.Video[source"webcam", format "mp4"  
+outputs="image"
+)
 
-iface = gr.Interface(fn=greet, inputs="image", outputs="image")
 iface.launch()