Add a post processor for embedding subtitles in mp4 videos (closes #1052)

[youtube-dl.git] / youtube_dl / utils.py

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 5dd5b2923d2a773a526006d71769d10486fe8730..52cfb8a6d18e69be0db213bbf3f4da63f1fcd7d9 100644 (file)
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -657,6 +657,9 @@ def determine_ext(url, default_ext=u'unknown_video'):
     else:
         return default_ext
 
+def subtitles_filename(filename, sub_lang, sub_format):
+    return filename.rsplit('.', 1)[0] + u'.' + sub_lang + u'.' + sub_format
+
 def date_from_str(date_str):
     """
     Return a datetime object from a string in the format YYYYMMDD or