[imdb] Fix extension extraction (closes #17167)

6 years ago · a62460aa21
1 changed files with 2 additions and 1 deletions
--- a/youtube_dl/extractor/imdb.py
+++ b/youtube_dl/extractor/imdb.py
@ -64,7 +64,8 @@ class ImdbIE(InfoExtractor):
            video_url = url_or_none(encoding.get('videoUrl'))
            if not video_url:
                continue
-            ext = determine_ext(video_url, mimetype2ext(encoding.get('mimeType')))
+            ext = mimetype2ext(encoding.get(
+                'mimeType')) or determine_ext(video_url)
            if ext == 'm3u8':
                formats.extend(self._extract_m3u8_formats(
                    video_url, video_id, 'mp4', entry_protocol='m3u8_native',