Merge branch 'best-fallback-on-outdated-avconv' of https://github.com/dstftw/youtube...
[youtube-dl] / youtube_dl / YoutubeDL.py
index 27c1e726ffb549c849e1ccea58dabd094a6f85ef..4c8196d082fa9cfffbb45a1c5f5684664ecc1a80 100755 (executable)
@@ -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
@@ -1086,8 +1085,11 @@ class YoutubeDL(object):
         req_format = self.params.get('format')
         if req_format is None:
             req_format_list = []
-            if info_dict['extractor'] in ['youtube', 'ted'] and FFmpegMergerPP(self).available:
-                req_format_list.append('bestvideo+bestaudio')
+            if (self.params.get('outtmpl', DEFAULT_OUTTMPL) != '-' 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 = []
@@ -1271,7 +1273,7 @@ class YoutubeDL(object):
             return
 
         if self.params.get('writedescription', False):
-            descfn = filename + '.description'
+            descfn = replace_extension(filename, 'description', info_dict.get('ext'))
             if self.params.get('nooverwrites', False) and os.path.exists(encodeFilename(descfn)):
                 self.to_screen('[info] Video description is already present')
             elif info_dict.get('description') is None: