Fix YouTube format detection (bug 967)

Author: thp

src/gpodder/youtube.py

@@ -56,6 +56,9 @@ def get_real_download_url(url, preferred_fmt_id=18):
         # Try to find the best video format available for this video
         # (http://forum.videohelp.com/topic336882-1800.html#1912972)
         r3 = re.compile('.*"fmt_map"\:\s+"([^"]+)".*').search(page)
+        if not r3:
+            r3 = re.compile('&fmt_map=([^&]+).*').search(page)
+
         if r3:
             formats_available = urllib.unquote(r3.group(1)).split(',')
         else: