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youtube-dl

[mirror] Download/Watch videos from video hostersgit clone https://hacktivis.me/git/mirror/youtube-dl.git

dispeak.py (5080B)

    

  1. from __future__ import unicode_literals
  3. import re
  5. from .common import InfoExtractor
  6. from ..utils import (
  7.     int_or_none,
  8.     parse_duration,
  9.     remove_end,
  10.     xpath_element,
  11.     xpath_text,
  12. )
  15. class DigitallySpeakingIE(InfoExtractor):
  16.     _VALID_URL = r'https?://(?:s?evt\.dispeak|events\.digitallyspeaking)\.com/(?:[^/]+/)+xml/(?P<id>[^.]+)\.xml'
  18.     _TESTS = [{
  19.         # From http://gdcvault.com/play/1023460/Tenacious-Design-and-The-Interface
  20.         'url': 'http://evt.dispeak.com/ubm/gdc/sf16/xml/840376_BQRC.xml',
  21.         'md5': 'a8efb6c31ed06ca8739294960b2dbabd',
  22.         'info_dict': {
  23.             'id': '840376_BQRC',
  24.             'ext': 'mp4',
  25.             'title': 'Tenacious Design and The Interface of \'Destiny\'',
  26.         },
  27.     }, {
  28.         # From http://www.gdcvault.com/play/1014631/Classic-Game-Postmortem-PAC
  29.         'url': 'http://events.digitallyspeaking.com/gdc/sf11/xml/12396_1299111843500GMPX.xml',
  30.         'only_matching': True,
  31.     }, {
  32.         # From http://www.gdcvault.com/play/1013700/Advanced-Material
  33.         'url': 'http://sevt.dispeak.com/ubm/gdc/eur10/xml/11256_1282118587281VNIT.xml',
  34.         'only_matching': True,
  35.     }, {
  36.         # From https://gdcvault.com/play/1016624, empty speakerVideo
  37.         'url': 'https://sevt.dispeak.com/ubm/gdc/online12/xml/201210-822101_1349794556671DDDD.xml',
  38.         'info_dict': {
  39.             'id': '201210-822101_1349794556671DDDD',
  40.             'ext': 'flv',
  41.             'title': 'Pre-launch - Preparing to Take the Plunge',
  42.         },
  43.     }, {
  44.         # From http://www.gdcvault.com/play/1014846/Conference-Keynote-Shigeru, empty slideVideo
  45.         'url': 'http://events.digitallyspeaking.com/gdc/project25/xml/p25-miyamoto1999_1282467389849HSVB.xml',
  46.         'only_matching': True,
  47.     }]
  49.     def _parse_mp4(self, metadata):
  50.         video_formats = []
  51.         video_root = None
  53.         mp4_video = xpath_text(metadata, './mp4video', default=None)
  54.         if mp4_video is not None:
  55.             mobj = re.match(r'(?P<root>https?://.*?/).*', mp4_video)
  56.             video_root = mobj.group('root')
  57.         if video_root is None:
  58.             http_host = xpath_text(metadata, 'httpHost', default=None)
  59.             if http_host:
  60.                 video_root = 'http://%s/' % http_host
  61.         if video_root is None:
  62.             # Hard-coded in http://evt.dispeak.com/ubm/gdc/sf16/custom/player2.js
  63.             # Works for GPUTechConf, too
  64.             video_root = 'http://s3-2u.digitallyspeaking.com/'
  66.         formats = metadata.findall('./MBRVideos/MBRVideo')
  67.         if not formats:
  68.             return None
  69.         for a_format in formats:
  70.             stream_name = xpath_text(a_format, 'streamName', fatal=True)
  71.             video_path = re.match(r'mp4\:(?P<path>.*)', stream_name).group('path')
  72.             url = video_root + video_path
  73.             bitrate = xpath_text(a_format, 'bitrate')
  74.             tbr = int_or_none(bitrate)
  75.             vbr = int_or_none(self._search_regex(
  76.                 r'-(\d+)\.mp4', video_path, 'vbr', default=None))
  77.             abr = tbr - vbr if tbr and vbr else None
  78.             video_formats.append({
  79.                 'format_id': bitrate,
  80.                 'url': url,
  81.                 'tbr': tbr,
  82.                 'vbr': vbr,
  83.                 'abr': abr,
  84.             })
  85.         return video_formats
  87.     def _parse_flv(self, metadata):
  88.         formats = []
  89.         akamai_url = xpath_text(metadata, './akamaiHost', fatal=True)
  90.         audios = metadata.findall('./audios/audio')
  91.         for audio in audios:
  92.             formats.append({
  93.                 'url': 'rtmp://%s/ondemand?ovpfv=1.1' % akamai_url,
  94.                 'play_path': remove_end(audio.get('url'), '.flv'),
  95.                 'ext': 'flv',
  96.                 'vcodec': 'none',
  97.                 'format_id': audio.get('code'),
  98.             })
  99.         for video_key, format_id, preference in (
  100.                 ('slide', 'slides', -2), ('speaker', 'speaker', -1)):
  101.             video_path = xpath_text(metadata, './%sVideo' % video_key)
  102.             if not video_path:
  103.                 continue
  104.             formats.append({
  105.                 'url': 'rtmp://%s/ondemand?ovpfv=1.1' % akamai_url,
  106.                 'play_path': remove_end(video_path, '.flv'),
  107.                 'ext': 'flv',
  108.                 'format_note': '%s video' % video_key,
  109.                 'quality': preference,
  110.                 'preference': preference,
  111.                 'format_id': format_id,
  112.             })
  113.         return formats
  115.     def _real_extract(self, url):
  116.         video_id = self._match_id(url)
  118.         xml_description = self._download_xml(url, video_id)
  119.         metadata = xpath_element(xml_description, 'metadata')
  121.         video_formats = self._parse_mp4(metadata)
  122.         if video_formats is None:
  123.             video_formats = self._parse_flv(metadata)
  125.         return {
  126.             'id': video_id,
  127.             'formats': video_formats,
  128.             'title': xpath_text(metadata, 'title', fatal=True),
  129.             'duration': parse_duration(xpath_text(metadata, 'endTime')),
  130.             'creator': xpath_text(metadata, 'speaker'),
  131.         }