Cleanup some code and fix typos

:ci skip dl

1 files changed, 7 insertions, 4 deletions

diff --git a/youtube_dlc/extractor/common.py b/youtube_dlc/extractor/common.py
index 1fe2d0a93..371c34929 100644
--- a/youtube_dlc/extractor/common.py
+++ b/youtube_dlc/extractor/common.py
@@ -2358,7 +2358,7 @@ class InfoExtractor(object):
                         extract_Initialization(segment_template)
             return ms_info
 
-        allow_unplayable_formats = self._downloader.params.get('allow_unplayable_formats')
+        skip_unplayable = not self._downloader.params.get('allow_unplayable_formats')
 
         mpd_duration = parse_duration(mpd_doc.get('mediaPresentationDuration'))
         formats = []
@@ -2369,11 +2369,11 @@ class InfoExtractor(object):
                 'timescale': 1,
             })
             for adaptation_set in period.findall(_add_ns('AdaptationSet')):
-                if is_drm_protected(adaptation_set) and allow_unplayable_formats is False:
+                if skip_unplayable and is_drm_protected(adaptation_set):
                     continue
                 adaption_set_ms_info = extract_multisegment_info(adaptation_set, period_ms_info)
                 for representation in adaptation_set.findall(_add_ns('Representation')):
-                    if is_drm_protected(representation) and allow_unplayable_formats is False:
+                    if skip_unplayable and is_drm_protected(representation):
                         continue
                     representation_attrib = adaptation_set.attrib.copy()
                     representation_attrib.update(representation.attrib)
@@ -2587,7 +2587,10 @@ class InfoExtractor(object):
          1. [MS-SSTR]: Smooth Streaming Protocol,
             https://msdn.microsoft.com/en-us/library/ff469518.aspx
         """
-        if ism_doc.get('IsLive') == 'TRUE' or (ism_doc.find('Protection') is not None and not self._downloader.params.get('allow_unplayable_formats')):
+        if ism_doc.get('IsLive') == 'TRUE':
+            return []
+        if (not self._downloader.params.get('allow_unplayable_formats')
+                and ism_doc.find('Protection') is not None):
             return []
 
         duration = int(ism_doc.attrib['Duration'])