[generic,commonprotocols] Move mms suuport from GenericIE

And use _generic_* helpers in those extractors

youtube_dl/extractor/commonprotocols.py

@@ -1,13 +1,9 @@
 from __future__ import unicode_literals
 
-import os
-
 from .common import InfoExtractor
 from ..compat import (
-    compat_urllib_parse_unquote,
     compat_urlparse,
 )
-from ..utils import url_basename
 
 
 class RtmpIE(InfoExtractor):
@@ -23,8 +19,8 @@ class RtmpIE(InfoExtractor):
     }]
 
     def _real_extract(self, url):
-        video_id = compat_urllib_parse_unquote(os.path.splitext(url.rstrip('/').split('/')[-1])[0])
-        title = compat_urllib_parse_unquote(os.path.splitext(url_basename(url))[0])
+        video_id = self._generic_id(url)
+        title = self._generic_title(url)
         return {
             'id': video_id,
             'title': title,
@@ -34,3 +30,31 @@ class RtmpIE(InfoExtractor):
                 'format_id': compat_urlparse.urlparse(url).scheme,
             }],
         }
+
+
+class MmsIE(InfoExtractor):
+    IE_DESC = False  # Do not list
+    _VALID_URL = r'(?i)mms://.+'
+
+    _TEST = {
+        # Direct MMS link
+        'url': 'mms://kentro.kaist.ac.kr/200907/MilesReid(0709).wmv',
+        'info_dict': {
+            'id': 'MilesReid(0709)',
+            'ext': 'wmv',
+            'title': 'MilesReid(0709)',
+        },
+        'params': {
+            'skip_download': True,  # rtsp downloads, requiring mplayer or mpv
+        },
+    }
+
+    def _real_extract(self, url):
+        video_id = self._generic_id(url)
+        title = self._generic_title(url)
+
+        return {
+            'id': video_id,
+            'title': title,
+            'url': url,
+        }