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-rw-r--r--youtube_dl/utils.py17
1 files changed, 16 insertions, 1 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 7dab60bb8..c0325f054 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -922,9 +922,24 @@ def unified_strdate(date_str, day_first=True):
def determine_ext(url, default_ext='unknown_video'):
if url is None:
return default_ext
- guess = url.partition('?')[0].rpartition('.')[2].rstrip('/')
+ guess = url.partition('?')[0].rpartition('.')[2]
if re.match(r'^[A-Za-z0-9]+$', guess):
return guess
+ elif guess.rstrip('/') in (
+ 'mp4', 'm4a', 'm4p', 'm4b', 'm4r', 'm4v', 'aac',
+ 'flv', 'f4v', 'f4a', 'f4b',
+ 'webm', 'ogg', 'ogv', 'oga', 'ogx', 'spx', 'opus',
+ 'mkv', 'mka', 'mk3d',
+ 'avi', 'divx',
+ 'mov',
+ 'asf', 'wmv', 'wma',
+ '3gp', '3g2',
+ 'mp3',
+ 'flac',
+ 'ape',
+ 'wav',
+ 'f4f', 'f4m', 'm3u8', 'smil'):
+ return guess.rstrip('/')
else:
return default_ext