Fix issue with settings not chaing encoder when the codec changes

Author: Josh5

changelog.md

@@ -1,5 +1,6 @@
 **<span style="color:#56adda">0.1.16</span>**
 - Add support for using the File Metadata helper for storing details on moved files (Requires Unmanic v0.3.0)
+- Fix issue with settings not chaing encoder when the codec changes
 
 **<span style="color:#56adda">0.1.15</span>**
 - Add a warning against using "Prefer Quality" when scaling a video down

lib/global_settings.py

@@ -197,7 +197,12 @@ def get_video_encoder_form_settings(self):
                     "label": encoder_details.get('label'),
                 }
             )
-        self.__set_default_option(values['select_options'], 'video_encoder')
+        selected_encoder = self.__set_default_option(values['select_options'], 'video_encoder')
+        if getattr(self.settings, 'apply_default_fallbacks', True):
+            current_encoder = self.settings.get_setting('video_encoder')
+            if selected_encoder and selected_encoder != current_encoder:
+                # Persist a compatible encoder when codec selection changes and invalidates the current value.
+                self.settings.set_setting('video_encoder', selected_encoder)
         if self.settings.get_setting('mode') not in ['basic', 'standard']:
             values["display"] = 'hidden'
         return values