Ignore close errors in icecast output.

CHANGES.md

@@ -20,6 +20,7 @@ Fixed:
 - Fixed HTTP response status in `output.harbor` (#3255)
 - Make sure main HLS playlist is regenerated after being
   unlinked (#3275)
+- Fixed hard crash on icecast disconnection errors.
 - Fix `output.harbor` encoder header when encoding with
   `%ogg`, `%vorbis` and etc. (#3276)
 - Fixed quality argument parsing in ffmpeg encoders (#3267)

src/core/outputs/icecast2.ml

@@ -622,7 +622,12 @@ class output p =
           | Cry.Disconnected -> ()
           | Cry.Connected _ ->
               self#log#important "Closing connection...";
-              Cry.close connection;
+              (try Cry.close connection
+               with exn ->
+                 let bt = Printexc.get_backtrace () in
+                 Utils.log_exception ~log:self#log ~bt
+                   (Printf.sprintf "Error while closing connection: %s"
+                      (Printexc.to_string exn)));
               on_disconnect ()
       end;
       match dump with Some f -> close_out f | None -> ()