def _prefer_source(self, formats):
try:
source = next(f for f in formats if f['format_id'] == 'Source')
- source['preference'] = 10
+ source['quality'] = 10
except StopIteration:
- pass # No Source stream present
+ for f in formats:
+ if '/chunked/' in f['url']:
+ f.update({
+ 'quality': 10,
+ 'format_note': 'Source',
+ })
self._sort_formats(formats)