+    _VALID_URL = r'https?://(?:\w+\.)?blip\.tv/(?:(?:.+-|rss/flash/)(?P<id>\d+)|((?:play/|api\.swf#)(?P<lookup_id>[\da-zA-Z+_]+)))'
+
+    _TESTS = [
+        {
+            'url': 'http://blip.tv/cbr/cbr-exclusive-gotham-city-imposters-bats-vs-jokerz-short-3-5796352',
+            'md5': 'c6934ad0b6acf2bd920720ec888eb812',
+            'info_dict': {
+                'id': '5779306',
+                'ext': 'mov',
+                'title': 'CBR EXCLUSIVE: "Gotham City Imposters" Bats VS Jokerz Short 3',
+                'description': 'md5:9bc31f227219cde65e47eeec8d2dc596',
+                'timestamp': 1323138843,
+                'upload_date': '20111206',
+                'uploader': 'cbr',
+                'uploader_id': '679425',
+                'duration': 81,
+            }
+        },
+        {
+            # https://github.com/rg3/youtube-dl/pull/2274
+            'note': 'Video with subtitles',
+            'url': 'http://blip.tv/play/h6Uag5OEVgI.html',
+            'md5': '309f9d25b820b086ca163ffac8031806',
+            'info_dict': {
+                'id': '6586561',
+                'ext': 'mp4',
+                'title': 'Red vs. Blue Season 11 Episode 1',
+                'description': 'One-Zero-One',
+                'timestamp': 1371261608,
+                'upload_date': '20130615',
+                'uploader': 'redvsblue',
+                'uploader_id': '792887',
+                'duration': 279,
+            }
+        },
+        {
+            # https://bugzilla.redhat.com/show_bug.cgi?id=967465
+            'url': 'http://a.blip.tv/api.swf#h6Uag5KbVwI',
+            'md5': '314e87b1ebe7a48fcbfdd51b791ce5a6',
+            'info_dict': {
+                'id': '6573122',
+                'ext': 'mov',
+                'upload_date': '20130520',
+                'description': 'Two hapless space marines argue over what to do when they realize they have an astronomically huge problem on their hands.',
+                'title': 'Red vs. Blue Season 11 Trailer',
+                'timestamp': 1369029609,
+                'uploader': 'redvsblue',
+                'uploader_id': '792887',
+            }
+        },
+        {
+            'url': 'http://blip.tv/play/gbk766dkj4Yn',
+            'md5': 'fe0a33f022d49399a241e84a8ea8b8e3',
+            'info_dict': {
+                'id': '1749452',
+                'ext': 'mp4',
+                'upload_date': '20090208',
+                'description': 'Witness the first appearance of the Nostalgia Critic character, as Doug reviews the movie Transformers.',
+                'title': 'Nostalgia Critic: Transformers',
+                'timestamp': 1234068723,
+                'uploader': 'NostalgiaCritic',
+                'uploader_id': '246467',
+            }
+        },
+        {
+            # https://github.com/rg3/youtube-dl/pull/4404
+            'note': 'Audio only',
+            'url': 'http://blip.tv/hilarios-productions/weekly-manga-recap-kingdom-7119982',
+            'md5': '76c0a56f24e769ceaab21fbb6416a351',
+            'info_dict': {
+                'id': '7103299',
+                'ext': 'flv',
+                'title': 'Weekly Manga Recap: Kingdom',
+                'description': 'And then Shin breaks the enemy line, and he's all like HWAH! And then he slices a guy and it's all like FWASHING! And... it's really hard to describe the best parts of this series without breaking down into sound effects, okay?',
+                'timestamp': 1417660321,
+                'upload_date': '20141204',
+                'uploader': 'The Rollo T',
+                'uploader_id': '407429',
+                'duration': 7251,
+                'vcodec': 'none',
+            }
+        },
+    ]
+
+    @staticmethod
+    def _extract_url(webpage):
+        mobj = re.search(r'<meta\s[^>]*https?://api\.blip\.tv/\w+/redirect/\w+/(\d+)', webpage)
+        if mobj:
+            return 'http://blip.tv/a/a-' + mobj.group(1)
+        mobj = re.search(r'<(?:iframe|embed|object)\s[^>]*(https?://(?:\w+\.)?blip\.tv/(?:play/|api\.swf#)[a-zA-Z0-9_]+)', webpage)
+        if mobj:
+            return mobj.group(1)