added ARD InfoExtractor (german state television)

youtube_dl/InfoExtractors.py

@@ -4356,6 +4356,42 @@ class LiveLeakIE(InfoExtractor):
 
         return [info]
 
+class ARDIE(InfoExtractor):
+    IE_NAME = 'ard'
+    _VALID_URL = r'^(?:http?://)?mediathek\.daserste\.de/(?:.*/)(?P<video_id>[^/\?]+)(?:\?.*)?'
+    _TITLE = r'<h1 class="boxTopHeadline">(?P<title>.*)</h1>'
+    _MEDIA_STREAM = r'mediaCollection\.addMediaStream\((?P<media_type>\d+), (?P<quality>\d+), "(?P<rtmp_url>[^"]*)", "(?P<video_url>[^"]*)", "[^"]*"\)'
+
+    def _real_extract(self, url):
+        # determine video id from url
+        m = re.match(self._VALID_URL, url)
+        video_id = m.group('video_id')
+
+        # determine title and media streams from webpage
+        html = self._download_webpage(url, video_id)
+        title = re.search(self._TITLE, html).group('title')
+        streams = [m.groupdict() for m in re.finditer(self._MEDIA_STREAM, html)]
+        if not streams:
+            assert '"fsk"' in html
+            self._downloader.report_error(u'this video is only available after 8:00 pm')
+            return
+
+        # choose default media type and highest quality for now
+        stream = max([s for s in streams if int(s["media_type"]) == 0], key=lambda s: int(s["quality"]))
+        #stream = streams[-1]
+
+        # there's two possibilities: RTMP stream or HTTP download
+        info = {'id': video_id, 'title': title, 'ext': 'mp4'}
+        if stream['rtmp_url']:
+            self._downloader.to_screen(u'[%s] RTMP download detected' % self.IE_NAME)
+            assert stream['video_url'].startswith('mp4:')
+            info["url"] = stream["rtmp_url"]
+            info["play_path"] = stream['video_url']
+        else:
+            assert stream["video_url"].endswith('.mp4')
+            info["url"] = stream["video_url"]
+        return [info]
+
 
 def gen_extractors():
     """ Return a list of an instance of every supported extractor.
@@ -4409,5 +4445,6 @@ def gen_extractors():
         MySpassIE(),
         SpiegelIE(),
         LiveLeakIE(),
+        ARDIE(),
         GenericIE()
     ]