Simplify formats accumulation for f4m/m3u8/smil formats

[youtube-dl] / youtube_dl / extractor / wdr.py

diff --git a/youtube_dl/extractor/wdr.py b/youtube_dl/extractor/wdr.py
index ef096cbd248def4c67a1046c326ce7d1fd6a8796..e8511398c299f5ab89fbeea6c145ac41c13a0210 100644 (file)
--- a/youtube_dl/extractor/wdr.py
+++ b/youtube_dl/extractor/wdr.py
@@ -157,16 +157,12 @@ class WDRIE(InfoExtractor):
         preference = qualities(['S', 'M', 'L', 'XL'])
 
         if video_url.endswith('.f4m'):
-            f4m_formats = self._extract_f4m_formats(video_url + '?hdcore=3.2.0&plugin=aasp-3.2.0.77.18', page_id, f4m_id='hds', fatal=False)
-            if f4m_formats:
-                formats.extend(f4m_formats)
+            formats.extend(self._extract_f4m_formats(video_url + '?hdcore=3.2.0&plugin=aasp-3.2.0.77.18', page_id, f4m_id='hds', fatal=False))
         elif video_url.endswith('.smil'):
-            smil_formats = self._extract_smil_formats(video_url, page_id, False, {
+            formats.extend(self._extract_smil_formats(video_url, page_id, False, {
                 'hdcore': '3.3.0',
                 'plugin': 'aasp-3.3.0.99.43',
-            })
-            if smil_formats:
-                formats.extend(smil_formats)
+            }))
         else:
             formats.append({
                 'url': video_url,
@@ -177,9 +173,7 @@ class WDRIE(InfoExtractor):
 
         m3u8_url = self._search_regex(r'rel="adaptiv"[^>]+href="([^"]+)"', webpage, 'm3u8 url', default=None)
         if m3u8_url:
-            m3u8_formats = self._extract_m3u8_formats(m3u8_url, page_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False)
-            if m3u8_formats:
-                formats.extend(m3u8_formats)
+            formats.extend(self._extract_m3u8_formats(m3u8_url, page_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False))
 
         direct_urls = re.findall(r'rel="web(S|M|L|XL)"[^>]+href="([^"]+)"', webpage)
         if direct_urls: