[bigflix] Improve formats extraction

youtube_dl/extractor/bigflix.py

@@ -20,7 +20,7 @@ class BigflixIE(InfoExtractor):
             'description': 'md5:3d2ba5815f14911d5cc6a501ae0cf65d',
         }
     }, {
-        # multiple formats
+        # 2 formats
         'url': 'http://www.bigflix.com/Tamil-movies/Drama-movies/Madarasapatinam/16070',
         'info_dict': {
             'id': '16070',
@@ -32,6 +32,10 @@ class BigflixIE(InfoExtractor):
         'params': {
             'skip_download': True,
         }
+    }, {
+        # multiple formats
+        'url': 'http://www.bigflix.com/Malayalam-movies/Drama-movies/Indian-Rupee/15967',
+        'only_matching': True,
     }]
 
     def _real_extract(self, url):
@@ -45,20 +49,31 @@ class BigflixIE(InfoExtractor):
 
         def decode_url(quoted_b64_url):
             return base64.b64decode(compat_urllib_parse_unquote(
-                quoted_b64_url)).encode('ascii').decode('utf-8')
+                quoted_b64_url).encode('ascii')).decode('utf-8')
 
-        formats = [{
-            'url': decode_url(encoded_url),
-            'format_id': '%sp' % height,
-            'height': int(height),
-        } for height, encoded_url in re.findall(
-            r'ContentURL_(\d{3,4})[pP][^=]+=([^&]+)', webpage)]
+        formats = []
+        for height, encoded_url in re.findall(
+            r'ContentURL_(\d{3,4})[pP][^=]+=([^&]+)', webpage):
+            video_url = decode_url(encoded_url)
+            f = {
+                'url': video_url,
+                'format_id': '%sp' % height,
+                'height': int(height),
+            }
+            if video_url.startswith('rtmp'):
+                f['ext'] = 'flv'
+            formats.append(f)
 
-        if not formats:
-            formats.append({
-                'url': decode_url(self._search_regex(
-                    r'file=([^&]+)', webpage, 'video url')),
-            })
+        file_url = self._search_regex(
+            r'file=([^&]+)', webpage, 'video url', default=None)
+        if file_url:
+            video_url = decode_url(file_url)
+            if all(f['url'] != video_url for f in formats):
+                formats.append({
+                    'url': decode_url(file_url),
+                })
+
+        self._sort_formats(formats)
 
         description = self._html_search_meta('description', webpage)