forked from minhngoc25a/youtube-dl
[mediasite] Improve extraction and code style, add support for DASH (closes #11185, closes #14343, refs #5428)
This commit is contained in:
Sergey M․
parent
8056c8542d
commit
2ca7ed41fe
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@ -100,6 +100,7 @@ from .megaphone import MegaphoneIE
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from .vzaar import VzaarIE
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from .channel9 import Channel9IE
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from .vshare import VShareIE
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from .mediasite import MediasiteIE
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class GenericIE(InfoExtractor):
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@ -1925,6 +1926,18 @@ class GenericIE(InfoExtractor):
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'title': 'vl14062007715967',
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'ext': 'mp4',
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}
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},
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{
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'url': 'http://www.heidelberg-laureate-forum.org/blog/video/lecture-friday-september-23-2016-sir-c-antony-r-hoare/',
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'md5': 'aecd089f55b1cb5a59032cb049d3a356',
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'info_dict': {
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'id': '90227f51a80c4d8f86c345a7fa62bd9a1d',
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'ext': 'mp4',
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'title': 'Lecture: Friday, September 23, 2016 - Sir Tony Hoare',
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'description': 'md5:5a51db84a62def7b7054df2ade403c6c',
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'timestamp': 1474354800,
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'upload_date': '20160920',
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}
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}
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# {
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# # TODO: find another test
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@ -2884,14 +2897,14 @@ class GenericIE(InfoExtractor):
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vshare_urls, video_id, video_title, ie=VShareIE.ie_key())
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# Look for Mediasite embeds
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mobj = re.search(r'''(?xi)
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<iframe[^>]+src="((?:https?://[a-z0-9\-\.:\[\]]+)?
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/Mediasite/Play/[0-9a-f]{32,34}(?:\?.*?)?)"
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''', webpage)
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if mobj is not None:
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return self.url_result(smuggle_url(
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compat_urlparse.urljoin(url, unescapeHTML(mobj.group(1))),
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{ 'UrlReferrer': url }), 'Livestream')
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mediasite_urls = MediasiteIE._extract_urls(webpage)
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if mediasite_urls:
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entries = [
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self.url_result(smuggle_url(
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compat_urlparse.urljoin(url, mediasite_url),
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{'UrlReferrer': url}), ie=MediasiteIE.ie_key())
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for mediasite_url in mediasite_urls]
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return self.playlist_result(entries, video_id, video_title)
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def merge_dicts(dict1, dict2):
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merged = {}
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@ -5,21 +5,22 @@ import re
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import json
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from .common import InfoExtractor
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from ..compat import compat_urlparse
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from ..compat import (
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compat_str,
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compat_urlparse,
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)
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from ..utils import (
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ExtractorError,
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unsmuggle_url,
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mimetype2ext,
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float_or_none,
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mimetype2ext,
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unescapeHTML,
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unsmuggle_url,
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urljoin,
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)
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class MediasiteIE(InfoExtractor):
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_VALID_URL = r'''(?xi)
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https?://[a-z0-9\-\.:\[\]]+/Mediasite/Play/
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(?P<id>[0-9a-f]{32,34})
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(?P<QueryString>\?[^#]+|)
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'''
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_VALID_URL = r'(?xi)https?://[^/]+/Mediasite/Play/(?P<id>[0-9a-f]{32,34})(?P<query>\?[^#]+|)'
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_TESTS = [
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{
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'url': 'https://hitsmediaweb.h-its.org/mediasite/Play/2db6c271681e4f199af3c60d1f82869b1d',
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@ -87,67 +88,96 @@ class MediasiteIE(InfoExtractor):
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# look in Mediasite.Core.js (Mediasite.ContentStreamType[*])
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_STREAM_TYPES = {
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0: 'video1', # the main video
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0: 'video1', # the main video
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2: 'slide',
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3: 'presentation',
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4: 'video2', # screencast?
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4: 'video2', # screencast?
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5: 'video3',
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}
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@staticmethod
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def _extract_urls(webpage):
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return [
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unescapeHTML(mobj.group('url'))
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for mobj in re.finditer(
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r'(?xi)<iframe\b[^>]+\bsrc=(["\'])(?P<url>(?:(?:https?:)?//[^/]+)?/Mediasite/Play/[0-9a-f]{32,34}(?:\?.*?)?)\1',
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webpage)]
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def _real_extract(self, url):
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url, data = unsmuggle_url(url, {})
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mobj = re.match(self._VALID_URL, url)
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ResourceId = mobj.group('id')
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QueryString = mobj.group('QueryString')
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resource_id = mobj.group('id')
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query = mobj.group('query')
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webpage = self._download_webpage(url, ResourceId) # XXX: add UrlReferrer?
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webpage, urlh = self._download_webpage_handle(url, resource_id) # XXX: add UrlReferrer?
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redirect_url = compat_str(urlh.geturl())
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# XXX: might have also extracted UrlReferrer and QueryString from the html
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ServicePath = compat_urlparse.urljoin(url, self._html_search_regex(
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r'<div id="ServicePath">(.+?)</div>', webpage, ResourceId,
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service_path = compat_urlparse.urljoin(redirect_url, self._html_search_regex(
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r'<div[^>]+\bid=["\']ServicePath[^>]+>(.+?)</div>', webpage, resource_id,
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default='/Mediasite/PlayerService/PlayerService.svc/json'))
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PlayerOptions = self._download_json(
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'%s/GetPlayerOptions' % (ServicePath), ResourceId,
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player_options = self._download_json(
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'%s/GetPlayerOptions' % service_path, resource_id,
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headers={
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'Content-type': 'application/json; charset=utf-8',
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'X-Requested-With': 'XMLHttpRequest',
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},
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data=json.dumps({
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'getPlayerOptionsRequest': {
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'ResourceId': ResourceId,
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'QueryString': QueryString,
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'ResourceId': resource_id,
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'QueryString': query,
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'UrlReferrer': data.get('UrlReferrer', ''),
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'UseScreenReader': False,
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}
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}).encode('utf-8'))
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Presentation = PlayerOptions['d']['Presentation']
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if Presentation is None:
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raise ExtractorError('Mediasite says: %s' %
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(PlayerOptions['d']['PlayerPresentationStatusMessage'],),
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}).encode('utf-8'))['d']
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presentation = player_options['Presentation']
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title = presentation['Title']
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if presentation is None:
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raise ExtractorError(
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'Mediasite says: %s' % player_options['PlayerPresentationStatusMessage'],
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expected=True)
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thumbnails = []
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formats = []
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for snum, Stream in enumerate(Presentation['Streams']):
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stream_type = self._STREAM_TYPES.get(
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Stream['StreamType'], 'type%u' % Stream['StreamType'])
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for snum, Stream in enumerate(presentation['Streams']):
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stream_type = Stream.get('StreamType')
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if stream_type is None:
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continue
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video_urls = Stream.get('VideoUrls')
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if not isinstance(video_urls, list):
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video_urls = []
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stream_id = self._STREAM_TYPES.get(
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stream_type, 'type%u' % stream_type)
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stream_formats = []
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for unum, VideoUrl in enumerate(Stream['VideoUrls']):
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url = VideoUrl['Location']
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for unum, VideoUrl in enumerate(video_urls):
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video_url = VideoUrl.get('Location')
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if not video_url or not isinstance(video_url, compat_str):
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continue
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# XXX: if Stream.get('CanChangeScheme', False), switch scheme to HTTP/HTTPS
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if VideoUrl['MediaType'] == 'SS':
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media_type = VideoUrl.get('MediaType')
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if media_type == 'SS':
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stream_formats.extend(self._extract_ism_formats(
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url, ResourceId, ism_id='%s-%u.%u' % (stream_type, snum, unum)))
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continue
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stream_formats.append({
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'format_id': '%s-%u.%u' % (stream_type, snum, unum),
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'url': url,
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'ext': mimetype2ext(VideoUrl['MimeType']),
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})
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video_url, resource_id,
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ism_id='%s-%u.%u' % (stream_id, snum, unum),
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fatal=False))
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elif media_type == 'Dash':
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stream_formats.extend(self._extract_mpd_formats(
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video_url, resource_id,
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mpd_id='%s-%u.%u' % (stream_id, snum, unum),
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fatal=False))
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else:
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stream_formats.append({
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'format_id': '%s-%u.%u' % (stream_id, snum, unum),
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'url': video_url,
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'ext': mimetype2ext(VideoUrl.get('MimeType')),
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})
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# TODO: if Stream['HasSlideContent']:
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# synthesise an MJPEG video stream '%s-%u.slides' % (stream_type, snum)
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@ -155,16 +185,16 @@ class MediasiteIE(InfoExtractor):
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# this will require writing a custom downloader...
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# disprefer 'secondary' streams
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if Stream['StreamType'] != 0:
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if stream_type != 0:
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for fmt in stream_formats:
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fmt['preference'] = -1
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ThumbnailUrl = Stream.get('ThumbnailUrl')
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if ThumbnailUrl:
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thumbnail_url = Stream.get('ThumbnailUrl')
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if thumbnail_url:
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thumbnails.append({
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'id': '%s-%u' % (stream_type, snum),
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'url': compat_urlparse.urljoin(url, ThumbnailUrl),
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'preference': -1 if Stream['StreamType'] != 0 else 0,
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'id': '%s-%u' % (stream_id, snum),
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'url': urljoin(redirect_url, thumbnail_url),
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'preference': -1 if stream_type != 0 else 0,
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})
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formats.extend(stream_formats)
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@ -174,11 +204,11 @@ class MediasiteIE(InfoExtractor):
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# XXX: Presentation['Transcript']
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return {
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'id': ResourceId,
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'title': Presentation['Title'],
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'description': Presentation.get('Description'),
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'duration': float_or_none(Presentation.get('Duration'), 1000),
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'timestamp': float_or_none(Presentation.get('UnixTime'), 1000),
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'id': resource_id,
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'title': title,
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'description': presentation.get('Description'),
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'duration': float_or_none(presentation.get('Duration'), 1000),
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'timestamp': float_or_none(presentation.get('UnixTime'), 1000),
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'formats': formats,
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'thumbnails': thumbnails,
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}
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