The original check was a bit hasty, this one should actually work properly.

pipeline/preprocessors/cattura.py

@@ -47,9 +47,7 @@ class CatturaProcessor(Preprocessor):
                    'courses': [],
                    'thumb': '',
                    'tags': [],
-                   'sources': {}
-                   'generate_subtitles': {'Generated': {'type': 'whisper',
-                                                        'source': 'camera'}}}
+                   'sources': {}}
         duration = None
 
         outputs = mediapackage['outputs']
@@ -72,9 +70,13 @@ class CatturaProcessor(Preprocessor):
                 # The source marked 'primary' in cattura doesn't get tagged
                 # with its configured name, but instead gets the presentation
                 # name. The camera is the primary, so we play the sound from
-                # there for sync purposes.
+                # there for sync purposes. We also generate the subtitles from
+                # there for the same reason.
                 elif srcname == presname:
                     source['playAudio'] = True
+                    subtitlespec = {'Generated': {'type': 'whisper',
+                                                  'source': srcname}}
+                    outspec['generate_subtitles'] = subtitlespec
 
                 outspec['sources'][srcname] = source