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- from __future__ import unicode_literals
-
- import re
-
- from .common import InfoExtractor
- from ..utils import (
- int_or_none,
- parse_duration,
- remove_end,
- xpath_element,
- xpath_text,
- )
-
-
- class DigitallySpeakingIE(InfoExtractor):
- _VALID_URL = r'https?://(?:s?evt\.dispeak|events\.digitallyspeaking)\.com/(?:[^/]+/)+xml/(?P<id>[^.]+)\.xml'
-
- _TESTS = [{
- # From http://gdcvault.com/play/1023460/Tenacious-Design-and-The-Interface
- 'url': 'http://evt.dispeak.com/ubm/gdc/sf16/xml/840376_BQRC.xml',
- 'md5': 'a8efb6c31ed06ca8739294960b2dbabd',
- 'info_dict': {
- 'id': '840376_BQRC',
- 'ext': 'mp4',
- 'title': 'Tenacious Design and The Interface of \'Destiny\'',
- },
- }, {
- # From http://www.gdcvault.com/play/1014631/Classic-Game-Postmortem-PAC
- 'url': 'http://events.digitallyspeaking.com/gdc/sf11/xml/12396_1299111843500GMPX.xml',
- 'only_matching': True,
- }, {
- # From http://www.gdcvault.com/play/1013700/Advanced-Material
- 'url': 'http://sevt.dispeak.com/ubm/gdc/eur10/xml/11256_1282118587281VNIT.xml',
- 'only_matching': True,
- }]
-
- def _parse_mp4(self, metadata):
- video_formats = []
- video_root = None
-
- mp4_video = xpath_text(metadata, './mp4video', default=None)
- if mp4_video is not None:
- mobj = re.match(r'(?P<root>https?://.*?/).*', mp4_video)
- video_root = mobj.group('root')
- if video_root is None:
- http_host = xpath_text(metadata, 'httpHost', default=None)
- if http_host:
- video_root = 'http://%s/' % http_host
- if video_root is None:
- # Hard-coded in http://evt.dispeak.com/ubm/gdc/sf16/custom/player2.js
- # Works for GPUTechConf, too
- video_root = 'http://s3-2u.digitallyspeaking.com/'
-
- formats = metadata.findall('./MBRVideos/MBRVideo')
- if not formats:
- return None
- for a_format in formats:
- stream_name = xpath_text(a_format, 'streamName', fatal=True)
- video_path = re.match(r'mp4\:(?P<path>.*)', stream_name).group('path')
- url = video_root + video_path
- bitrate = xpath_text(a_format, 'bitrate')
- tbr = int_or_none(bitrate)
- vbr = int_or_none(self._search_regex(
- r'-(\d+)\.mp4', video_path, 'vbr', default=None))
- abr = tbr - vbr if tbr and vbr else None
- video_formats.append({
- 'format_id': bitrate,
- 'url': url,
- 'tbr': tbr,
- 'vbr': vbr,
- 'abr': abr,
- })
- return video_formats
-
- def _parse_flv(self, metadata):
- formats = []
- akamai_url = xpath_text(metadata, './akamaiHost', fatal=True)
- audios = metadata.findall('./audios/audio')
- for audio in audios:
- formats.append({
- 'url': 'rtmp://%s/ondemand?ovpfv=1.1' % akamai_url,
- 'play_path': remove_end(audio.get('url'), '.flv'),
- 'ext': 'flv',
- 'vcodec': 'none',
- 'format_id': audio.get('code'),
- })
- slide_video_path = xpath_text(metadata, './slideVideo', fatal=True)
- formats.append({
- 'url': 'rtmp://%s/ondemand?ovpfv=1.1' % akamai_url,
- 'play_path': remove_end(slide_video_path, '.flv'),
- 'ext': 'flv',
- 'format_note': 'slide deck video',
- 'quality': -2,
- 'preference': -2,
- 'format_id': 'slides',
- })
- speaker_video_path = xpath_text(metadata, './speakerVideo', fatal=True)
- formats.append({
- 'url': 'rtmp://%s/ondemand?ovpfv=1.1' % akamai_url,
- 'play_path': remove_end(speaker_video_path, '.flv'),
- 'ext': 'flv',
- 'format_note': 'speaker video',
- 'quality': -1,
- 'preference': -1,
- 'format_id': 'speaker',
- })
- return formats
-
- def _real_extract(self, url):
- video_id = self._match_id(url)
-
- xml_description = self._download_xml(url, video_id)
- metadata = xpath_element(xml_description, 'metadata')
-
- video_formats = self._parse_mp4(metadata)
- if video_formats is None:
- video_formats = self._parse_flv(metadata)
-
- return {
- 'id': video_id,
- 'formats': video_formats,
- 'title': xpath_text(metadata, 'title', fatal=True),
- 'duration': parse_duration(xpath_text(metadata, 'endTime')),
- 'creator': xpath_text(metadata, 'speaker'),
- }
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