diff --git a/youtube_dl/extractor/xhamster.py b/youtube_dl/extractor/xhamster.py
index 833d2d1b4..d317f29f2 100644
--- a/youtube_dl/extractor/xhamster.py
+++ b/youtube_dl/extractor/xhamster.py
@@ -6,7 +6,6 @@
 from ..utils import (
     compat_urllib_parse,
     unescapeHTML,
-    determine_ext,
     ExtractorError,
 )
 
@@ -16,11 +15,11 @@ class XHamsterIE(InfoExtractor):
     _VALID_URL = r'(?:http://)?(?:www\.)?xhamster\.com/movies/(?P<id>[0-9]+)/(?P<seo>.+?)\.html(?:\?.*)?'
     _TESTS = [{
         'url': 'http://xhamster.com/movies/1509445/femaleagent_shy_beauty_takes_the_bait.html',
-        'file': '1509445.flv',
-        'md5': '9f48e0e8d58e3076bb236ff412ab62fa',
+        'file': '1509445.mp4',
+        'md5': '8281348b8d3c53d39fffb377d24eac4e',
         'info_dict': {
-            "upload_date": "20121014", 
-            "uploader_id": "Ruseful2011", 
+            "upload_date": "20121014",
+            "uploader_id": "Ruseful2011",
             "title": "FemaleAgent Shy beauty takes the bait",
             "age_limit": 18,
         }
@@ -41,7 +40,7 @@ def _real_extract(self,url):
         def extract_video_url(webpage):
             mobj = re.search(r'\'srv\': \'(?P<server>[^\']*)\',\s*\'file\': \'(?P<file>[^\']+)\',', webpage)
             if mobj is None:
-                raise ExtractorError(u'Unable to extract media URL')
+                raise ExtractorError('Unable to extract media URL')
             if len(mobj.group('server')) == 0:
                 return compat_urllib_parse.unquote(mobj.group('file'))
             else:
@@ -55,7 +54,7 @@ def extract_mp4_video_url(webpage):
                 return mp4.group(1)
 
         def is_hd(webpage):
-            return webpage.find('<div class=\'icon iconHD\'') != -1
+            return '<div class=\'icon iconHD\'' in webpage
 
         mobj = re.match(self._VALID_URL, url)
 
@@ -64,61 +63,60 @@ def is_hd(webpage):
         mrss_url = 'http://xhamster.com/movies/%s/%s.html' % (video_id, seo)
         webpage = self._download_webpage(mrss_url, video_id)
 
-        video_title = self._html_search_regex(r'<title>(?P<title>.+?) - xHamster\.com</title>',
-            webpage, 'title')
+        video_title = self._html_search_regex(
+            r'<title>(?P<title>.+?) - xHamster\.com</title>', webpage, 'title')
 
         # Only a few videos have an description
-        mobj = re.search('<span>Description: </span>(?P<description>[^<]+)', webpage)
-        if mobj:
-            video_description = unescapeHTML(mobj.group('description'))
-        else:
-            video_description = None
+        mobj = re.search(r'<span>Description: </span>([^<]+)', webpage)
+        video_description = mobj.group(1) if mobj else None
 
         mobj = re.search(r'hint=\'(?P<upload_date_Y>[0-9]{4})-(?P<upload_date_m>[0-9]{2})-(?P<upload_date_d>[0-9]{2}) [0-9]{2}:[0-9]{2}:[0-9]{2} [A-Z]{3,4}\'', webpage)
         if mobj:
             video_upload_date = mobj.group('upload_date_Y')+mobj.group('upload_date_m')+mobj.group('upload_date_d')
         else:
             video_upload_date = None
-            self._downloader.report_warning(u'Unable to extract upload date')
+            self._downloader.report_warning('Unable to extract upload date')
 
-        video_uploader_id = self._html_search_regex(r'<a href=\'/user/[^>]+>(?P<uploader_id>[^<]+)',
-            webpage, 'uploader id', default=u'anonymous')
+        video_uploader_id = self._html_search_regex(
+            r'<a href=\'/user/[^>]+>(?P<uploader_id>[^<]+)',
+            webpage, 'uploader id', default='anonymous')
 
-        video_thumbnail = self._search_regex(r'\'image\':\'(?P<thumbnail>[^\']+)\'',
+        video_thumbnail = self._search_regex(
+            r'\'image\':\'(?P<thumbnail>[^\']+)\'',
             webpage, 'thumbnail', fatal=False)
 
         age_limit = self._rta_search(webpage)
 
         hd = is_hd(webpage)
-
         video_url = extract_video_url(webpage)
         formats = [{
             'url': video_url,
-            'ext': determine_ext(video_url),
-            'format': 'hd' if hd else 'sd',
             'format_id': 'hd' if hd else 'sd',
+            'preference': 0,
         }]
 
         video_mp4_url = extract_mp4_video_url(webpage)
-        if (not video_mp4_url is None) and (formats[0]['ext'] != 'mp4'):
+        if video_mp4_url is not None:
             formats.append({
                 'url': video_mp4_url,
                 'ext': 'mp4',
-                'format': 'hd' if hd else 'sd',
-                'format_id': 'hd' if hd else 'sd',
+                'format_id': 'mp4-hd' if hd else 'mp4-sd',
+                'preference': 1,
             })
 
         if not hd:
-            webpage = self._download_webpage(mrss_url+'?hd', video_id)
+            webpage = self._download_webpage(
+                mrss_url + '?hd', video_id, note='Downloading HD webpage')
             if is_hd(webpage):
                 video_url = extract_video_url(webpage)
                 formats.append({
                     'url': video_url,
-                    'ext': determine_ext(video_url),
-                    'format': 'hd',
                     'format_id': 'hd',
+                    'preference': 2,
                 })
 
+        self._sort_formats(formats)
+
         return {
             'id': video_id,
             'title': video_title,