Update app.py

app.py

@@ -59,6 +59,11 @@ def bk_fn(cur):
     if next < 0:
         next = 0
     return next
+def tog_on():
+    return 1
+def tog_off():
+    return 0
+        
 def pl_fn(cap,cur,last,fps,pl_tog):
     #player = cv2.VideoCapture(cap)
     #assert player.isOpened() # Make sure that their is a stream. 
@@ -90,11 +95,15 @@ with gr.Blocks() as app:
             with gr.Row():
                 bk = gr.Button("<")
                 pl = gr.Button("Play")
+                st = gr.Button("Stop")
                 fw = gr.Button(">")
             det_win = gr.Image(source="webcam", streaming=True)
     with gr.Row():
         pl_tog=gr.Number()
-    pl.click(pl_fn,[output_win,cur_frame,total_frames,fps_frames,pl_tog],[det_win,cur_frame],show_progress=False)
+    pl.click(tog_on,None,pl_tog)
+    st.click(tog_off,None,pl_tog)
+    pl_tog.change(pl_fn,[output_win,cur_frame,total_frames,fps_frames,pl_tog],[det_win,cur_frame],show_progress=False)
+    cur_frame.change(pl_fn,[output_win,cur_frame,total_frames,fps_frames,pl_tog],[det_win,cur_frame],show_progress=False)
     bk.click(bk_fn,[cur_frame],cur_frame)
     fw.click(fw_fn,[cur_frame,total_frames],cur_frame)
     load_button.click(load,youtube_url,[output_win,cur_frame,total_frames,fps_frames])