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