Update app.py

app.py

@@ -6,21 +6,31 @@ def to_black(image):
     output = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
     return output
 
+def clear_output(input_widget):
+    input_widget = np.array([])
+
 with gr.Blocks() as demo:
-    gr.Markdown("Flip image or video files using this demo.")
+    gr.Markdown("Transfer image or video files using this demo.")
     with gr.Tabs():
-        with gr.TabItem("Flip Image"):
+        with gr.TabItem("Transfer Image"):
             with gr.Row():
                 image_input = gr.Image()
                 image_output = gr.Image()
-            image_button = gr.Button("Flip")
-        with gr.TabItem("Flip Video"):
-            video_input = gr.Video()
-            video_output = gr.Video()
-            video_button = gr.Button("Flip")
+            with gr.Row():
+                image_button = gr.Button("Transfer")
+                clear_image_button = gr.Button("Clear")
+        with gr.TabItem("Transfer Video"):
+            with gr.Row():
+                video_input = gr.Video()
+                video_output = gr.Video()
+            with gr.Row():
+                video_button = gr.Button("Transfer")
+                clear_video_button = gr.Button("Clear")
+
     image_button.click(to_black, inputs=image_input, outputs=image_output)
     video_button.click(to_black, inputs=video_input, outputs=video_output)
-
+    clear_image_button.click(clear_output, inputs=image_input,outputs=image_output)
+    clear_video_button.click(clear_output, inputs=video_input,outputs=video_output)
 demo.launch()
 
 # 启动接口