mirror of
https://github.com/ytdl-org/youtube-dl.git
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[dispeak] Add new extractor
Both GDCVault and GPUTechConf uses the service of DigitalSpeaking.
This commit is contained in:
Yen Chi Hsuan
parent
99ef96f84c
commit
ec59d657e7
111
youtube_dl/extractor/dispeak.py
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111
youtube_dl/extractor/dispeak.py
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@ -0,0 +1,111 @@
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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 DigitalSpeakingIE(InfoExtractor):
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_VALID_URL = r'http://evt.dispeak.com/([^/]+/)+xml/(?P<id>[^.]+).xml'
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_TEST = {
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# From http://evt.dispeak.com/ubm/gdc/sf16/xml/840376_BQRC.xml
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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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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.find('./audios')
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if audios is not None:
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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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@ -197,6 +197,7 @@ from .dump import DumpIE
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from .dumpert import DumpertIE
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from .defense import DefenseGouvFrIE
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from .discovery import DiscoveryIE
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from .dispeak import DigitalSpeakingIE
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from .dropbox import DropboxIE
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from .dw import (
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DWIE,
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@ -4,7 +4,6 @@ import re
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from .common import InfoExtractor
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from ..utils import (
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remove_end,
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HEADRequest,
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sanitized_Request,
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urlencode_postdata,
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@ -64,66 +63,6 @@ class GDCVaultIE(InfoExtractor):
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},
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]
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def _parse_mp4(self, xml_description):
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video_formats = []
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video_root = None
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mp4_video = xml_description.find('./metadata/mp4video')
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if mp4_video is not None:
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mobj = re.match(r'(?P<root>https?://.*?/).*', mp4_video.text)
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video_root = mobj.group('root')
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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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video_root = 'http://s3-2u.digitallyspeaking.com/'
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formats = xml_description.findall('./metadata/MBRVideos/MBRVideo')
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if not formats:
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return None
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for format in formats:
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mobj = re.match(r'mp4\:(?P<path>.*)', format.find('streamName').text)
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url = video_root + mobj.group('path')
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vbr = format.find('bitrate').text
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video_formats.append({
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'url': url,
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'vbr': int(vbr),
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})
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return video_formats
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def _parse_flv(self, xml_description):
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formats = []
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akamai_url = xml_description.find('./metadata/akamaiHost').text
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audios = xml_description.find('./metadata/audios')
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if audios is not None:
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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 = xml_description.find('./metadata/slideVideo').text
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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 = xml_description.find('./metadata/speakerVideo').text
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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 _login(self, webpage_url, display_id):
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(username, password) = self._get_login_info()
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if username is None or password is None:
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@ -199,17 +138,10 @@ class GDCVaultIE(InfoExtractor):
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r'<iframe src=".*?\?xmlURL=xml/(?P<xml_file>.+?\.xml).*?".*?</iframe>',
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start_page, 'xml filename')
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xml_description = self._download_xml(
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'%s/xml/%s' % (xml_root, xml_name), display_id)
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video_title = xml_description.find('./metadata/title').text
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video_formats = self._parse_mp4(xml_description)
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if video_formats is None:
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video_formats = self._parse_flv(xml_description)
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return {
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'_type': 'url_transparent',
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'id': video_id,
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'display_id': display_id,
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'title': video_title,
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'formats': video_formats,
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'url': '%s/xml/%s' % (xml_root, xml_name),
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'ie': 'DigitalSpeaking',
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}
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@ -2,12 +2,6 @@
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from __future__ import unicode_literals
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from .common import InfoExtractor
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from ..utils import (
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xpath_element,
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xpath_text,
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int_or_none,
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parse_duration,
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)
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class GPUTechConfIE(InfoExtractor):
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@ -27,29 +21,15 @@ class GPUTechConfIE(InfoExtractor):
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video_id = self._match_id(url)
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webpage = self._download_webpage(url, video_id)
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root_path = self._search_regex(r'var\s+rootPath\s*=\s*"([^"]+)', webpage, 'root path', 'http://evt.dispeak.com/nvidia/events/gtc15/')
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xml_file_id = self._search_regex(r'var\s+xmlFileId\s*=\s*"([^"]+)', webpage, 'xml file id')
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doc = self._download_xml('%sxml/%s.xml' % (root_path, xml_file_id), video_id)
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metadata = xpath_element(doc, 'metadata')
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http_host = xpath_text(metadata, 'httpHost', 'http host', True)
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mbr_videos = xpath_element(metadata, 'MBRVideos')
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formats = []
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for mbr_video in mbr_videos.findall('MBRVideo'):
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stream_name = xpath_text(mbr_video, 'streamName')
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if stream_name:
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formats.append({
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'url': 'http://%s/%s' % (http_host, stream_name.replace('mp4:', '')),
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'tbr': int_or_none(xpath_text(mbr_video, 'bitrate')),
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})
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self._sort_formats(formats)
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root_path = self._search_regex(
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r'var\s+rootPath\s*=\s*"([^"]+)', webpage, 'root path',
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default='http://evt.dispeak.com/nvidia/events/gtc15/')
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xml_file_id = self._search_regex(
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r'var\s+xmlFileId\s*=\s*"([^"]+)', webpage, 'xml file id')
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return {
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'_type': 'url_transparent',
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'id': video_id,
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'title': xpath_text(metadata, 'title'),
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'duration': parse_duration(xpath_text(metadata, 'endTime')),
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'creator': xpath_text(metadata, 'speaker'),
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'formats': formats,
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'url': '%sxml/%s.xml' % (root_path, xml_file_id),
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'ie': 'DigitalSpeaking',
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}
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