* Fixing error switching between copy and other encoders will break FastFlix

Author: cdgriffith

CHANGES

@@ -3,6 +3,7 @@
 ## Version 5.12.2
 
 * Fixing #671 Switching to the NVEncC AV1 encoder will break FastFlix (thanks to Krawk)
+* Fixing error switching between copy and other encoders will break FastFlix
 
 ## Version 5.12.1
 

fastflix/widgets/panels/audio_panel.py

@@ -324,6 +324,8 @@ def disable_all(self):
             track.widgets.enable_check.setChecked(False)
 
     def new_source(self, codecs):
+        if not self.app.fastflix.current_video:
+            return
         clear_list(self.tracks, close=True)
         self.app.fastflix.current_video.audio_tracks = []
         self.tracks: list[Audio] = []