+ return self._download_webpage(url, video_id, note='Searching for annotations.', errnote='Unable to download video annotations.')
+
+ def _parse_dash_manifest(
+ self, video_id, dash_manifest_url, player_url, age_gate):
+ def decrypt_sig(mobj):
+ s = mobj.group(1)
+ dec_s = self._decrypt_signature(s, video_id, player_url, age_gate)
+ return '/signature/%s' % dec_s
+ dash_manifest_url = re.sub(r'/s/([\w\.]+)', decrypt_sig, dash_manifest_url)
+ dash_doc = self._download_xml(
+ dash_manifest_url, video_id,
+ note='Downloading DASH manifest',
+ errnote='Could not download DASH manifest')
+
+ formats = []
+ for a in dash_doc.findall('.//{urn:mpeg:DASH:schema:MPD:2011}AdaptationSet'):
+ mime_type = a.attrib.get('mimeType')
+ for r in a.findall('{urn:mpeg:DASH:schema:MPD:2011}Representation'):
+ url_el = r.find('{urn:mpeg:DASH:schema:MPD:2011}BaseURL')
+ if url_el is None:
+ continue
+ if mime_type == 'text/vtt':
+ # TODO implement WebVTT downloading
+ pass
+ elif mime_type.startswith('audio/') or mime_type.startswith('video/'):
+ format_id = r.attrib['id']
+ video_url = url_el.text
+ filesize = int_or_none(url_el.attrib.get('{http://youtube.com/yt/2012/10/10}contentLength'))
+ f = {
+ 'format_id': format_id,
+ 'url': video_url,
+ 'width': int_or_none(r.attrib.get('width')),
+ 'height': int_or_none(r.attrib.get('height')),
+ 'tbr': int_or_none(r.attrib.get('bandwidth'), 1000),
+ 'asr': int_or_none(r.attrib.get('audioSamplingRate')),
+ 'filesize': filesize,
+ 'fps': int_or_none(r.attrib.get('frameRate')),
+ }
+ try:
+ existing_format = next(
+ fo for fo in formats
+ if fo['format_id'] == format_id)
+ except StopIteration:
+ full_info = self._formats.get(format_id, {}).copy()
+ full_info.update(f)
+ formats.append(full_info)
+ else:
+ existing_format.update(f)
+ else:
+ self.report_warning('Unknown MIME type %s in DASH manifest' % mime_type)
+ return formats