[servingsys] Add support

This also adds support for brightcove advertisements.
Fixes #2181

youtube_dl/extractor/servingsys.py

@@ -0,0 +1,70 @@
+from __future__ import unicode_literals
+
+import re
+
+from .common import InfoExtractor
+from ..utils import (
+    int_or_none,
+)
+
+
+class ServingSysIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:[^.]+\.)?serving-sys\.com/BurstingPipe/adServer\.bs\?.*?&pli=(?P<id>[0-9]+)'
+
+    _TEST = {
+        'url': 'http://bs.serving-sys.com/BurstingPipe/adServer.bs?cn=is&c=23&pl=VAST&pli=5349193&PluID=0&pos=7135&ord=[timestamp]&cim=1?',
+        'playlist': [{
+            'file': '29955898.flv',
+            'md5': 'baed851342df6846eb8677a60a011a0f',
+            'info_dict': {
+                'title': 'AdAPPter_Hyundai_demo (1)',
+                'duration': 74,
+                'tbr': 1378,
+                'width': 640,
+                'height': 400,
+            },
+        }, {
+            'file': '29907998.flv',
+            'md5': '979b4da2655c4bc2d81aeb915a8c5014',
+            'info_dict': {
+                'title': 'AdAPPter_Hyundai_demo (2)',
+                'duration': 34,
+                'width': 854,
+                'height': 480,
+                'tbr': 516,
+            },
+        }],
+        'params': {
+            'playlistend': 2,
+        }
+    }
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+        pl_id = mobj.group('id')
+
+        vast_doc = self._download_xml(url, pl_id)
+        title = vast_doc.find('.//AdTitle').text
+        media = vast_doc.find('.//MediaFile').text
+        info_url = self._search_regex(r'&adData=([^&]+)&', media, 'info URL')
+
+        doc = self._download_xml(info_url, pl_id, 'Downloading video info')
+        entries = [{
+            '_type': 'video',
+            'id': a.attrib['id'],
+            'title': '%s (%s)' % (title, a.attrib['assetID']),
+            'url': a.attrib['URL'],
+            'duration': int_or_none(a.attrib.get('length')),
+            'tbr': int_or_none(a.attrib.get('bitrate')),
+            'height': int_or_none(a.attrib.get('height')),
+            'width': int_or_none(a.attrib.get('width')),
+        } for a in doc.findall('.//AdditionalAssets/asset')]
+
+        return {
+            '_type': 'playlist',
+            'id': pl_id,
+            'title': title,
+            'entries': entries,
+        }
+
+