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-rw-r--r--youtube_dl/utils.py13
1 files changed, 13 insertions, 0 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 22a39a0ab..dc0bf5627 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -1893,6 +1893,19 @@ def mimetype2ext(mt):
}.get(res, res)
+def codec2ext(codec):
+ codec_type = codec.split('.')[0]
+
+ # Leave the return value None for unknown values as codec_type
+ # is not a good fallback for file extensions
+ return {
+ 'avc1': 'mp4',
+ 'mp4a': 'm4a',
+ 'vorbis': 'webm',
+ 'vp9': 'webm',
+ }.get(codec_type)
+
+
def urlhandle_detect_ext(url_handle):
try:
url_handle.headers