diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index 06a6625a8..3e4818570 100644
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -778,7 +778,7 @@ class YoutubeDL(object):
                     if not parts:
                         success = self.fd._do_download(filename, info_dict)
                     elif len(parts) == 1:
-                        info_dict['url'] = parts[0]
+                        info_dict.update(parts[0])
                         success = self.fd._do_download(filename, info_dict)
                     else:
                         # We check if the final video has already been downloaded
@@ -789,9 +789,9 @@ class YoutubeDL(object):
                             parts_success = []
                             parts_files = []
                             self.to_screen(u'[info] Downloading %s parts' % len(parts))
-                            for (i, part_url) in enumerate(parts):
+                            for (i, part) in enumerate(parts):
                                 part_info = dict(info_dict)
-                                part_info['url'] = part_url
+                                part_info.update(part)
                                 part_filename = u'%s.%s' % (filename, i)
                                 parts_files.append(part_filename)
                                 parts_success.append(self.fd._do_download(part_filename, part_info))
diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index d619de1dc..fb0f3ca0a 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -55,7 +55,9 @@ class InfoExtractor(object):
     subtitles:      The subtitle file contents as a dictionary in the format
                     {language: subtitles}.
     view_count:     How many users have watched the video on the platform.
-    parts:          A list of urls for each of the parts of the video.
+    parts:          A list of info_dicts for each of the parts of the video,
+                    it must include the url field, if it's a rtmp download it
+                    can contain additional fields for rtmpdump.
     urlhandle:      [internal] The urlHandle to be used to download the file,
                     like returned by urllib.request.urlopen
     age_limit:      Age restriction for the video, as an integer (years)
diff --git a/youtube_dl/extractor/tudou.py b/youtube_dl/extractor/tudou.py
index d2af0b9f9..618f586dd 100644
--- a/youtube_dl/extractor/tudou.py
+++ b/youtube_dl/extractor/tudou.py
@@ -67,15 +67,11 @@ class TudouIE(InfoExtractor):
             part_id = part['k']
             final_url = self._url_for_id(part_id, quality)
             ext = (final_url.split('?')[0]).split('.')[-1]
-            parts.append(final_url)
+            parts.append({'url': final_url})
 
-        info_dict = {'id': video_id,
-                     'ext': ext,
-                     'title': title,
-                     'thumbnail': thumbnail_url,
-                     }
-        if len_segs == 1:
-            info_dict['url'] = parts[0]
-        else:
-            info_dict['parts'] = parts
-        return info_dict
+        return {'id': video_id,
+                'ext': ext,
+                'title': title,
+                'thumbnail': thumbnail_url,
+                'parts': parts,
+                }