[YoutubeDL] Check if merger can actually merge

[youtube-dl] / youtube_dl / YoutubeDL.py

diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index d8583a8eb4db5c6589e12e6497cc66e7171c30c8..00f86b342dfd6bbf14c609353d3c4493719db738 100755 (executable)
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -260,7 +260,6 @@ class YoutubeDL(object):
     The following options are used by the post processors:
     prefer_ffmpeg:     If True, use ffmpeg instead of avconv if both are available,
                        otherwise prefer avconv.
-    exec_cmd:          Arbitrary command to run after downloading
     """
 
     params = None
@@ -1087,9 +1086,10 @@ class YoutubeDL(object):
         if req_format is None:
             req_format_list = []
             if (self.params.get('outtmpl', DEFAULT_OUTTMPL) != '-'
-                    and info_dict['extractor'] in ['youtube', 'ted']
-                    and FFmpegMergerPP(self).available):
-                req_format_list.append('bestvideo+bestaudio')
+                    and info_dict['extractor'] in ['youtube', 'ted']):
+                merger = FFmpegMergerPP(self)
+                if merger.available and merger.can_merge():
+                    req_format_list.append('bestvideo+bestaudio')
             req_format_list.append('best')
             req_format = '/'.join(req_format_list)
         formats_to_download = []