[youtube] Handle cases where format comes without a preference (Fixes #4648)

This commit is contained in:
Philipp Hagemeister 2015-01-05 22:42:17 +01:00
parent 8f9529cd05
commit ee61f6f3e2

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@ -1046,7 +1046,7 @@ def _map_to_format_list(urlmap):
for f in formats:
if f['format_id'] in dash_keys:
f['format_id'] = 'nondash-%s' % f['format_id']
f['preference'] -= 10000
f['preference'] = f.get('preference', 0) - 10000
formats.extend(dash_formats)
self._sort_formats(formats)