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214 lines
8.3 KiB
214 lines
8.3 KiB
# coding: utf-8 |
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from __future__ import unicode_literals |
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import re |
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import json |
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from .common import InfoExtractor |
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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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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)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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'info_dict': { |
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'id': '2db6c271681e4f199af3c60d1f82869b1d', |
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'ext': 'mp4', |
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'title': 'Lecture: Tuesday, September 20, 2016 - Sir Andrew Wiles', |
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'description': 'Sir Andrew Wiles: “Equations in arithmetic”\\n\\nI will describe some of the interactions between modern number theory and the problem of solving equations in rational numbers or integers\\u0027.', |
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'timestamp': 1474268400.0, |
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'upload_date': '20160919', |
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}, |
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}, |
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{ |
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'url': 'http://mediasite.uib.no/Mediasite/Play/90bb363295d945d6b548c867d01181361d?catalog=a452b7df-9ae1-46b7-a3ba-aceeb285f3eb', |
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'info_dict': { |
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'id': '90bb363295d945d6b548c867d01181361d', |
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'ext': 'mp4', |
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'upload_date': '20150429', |
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'title': '5) IT-forum 2015-Dag 1 - Dungbeetle - How and why Rain created a tiny bug tracker for Unity', |
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'timestamp': 1430311380.0, |
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}, |
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}, |
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{ |
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'url': 'https://collegerama.tudelft.nl/Mediasite/Play/585a43626e544bdd97aeb71a0ec907a01d', |
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'md5': '481fda1c11f67588c0d9d8fbdced4e39', |
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'info_dict': { |
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'id': '585a43626e544bdd97aeb71a0ec907a01d', |
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'ext': 'mp4', |
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'title': 'Een nieuwe wereld: waarden, bewustzijn en techniek van de mensheid 2.0.', |
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'description': '', |
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'thumbnail': r're:^https?://.*\.jpg(?:\?.*)?$', |
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'duration': 7713.088, |
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'timestamp': 1413309600, |
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'upload_date': '20141014', |
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}, |
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}, |
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{ |
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'url': 'https://collegerama.tudelft.nl/Mediasite/Play/86a9ea9f53e149079fbdb4202b521ed21d?catalog=fd32fd35-6c99-466c-89d4-cd3c431bc8a4', |
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'md5': 'ef1fdded95bdf19b12c5999949419c92', |
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'info_dict': { |
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'id': '86a9ea9f53e149079fbdb4202b521ed21d', |
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'ext': 'wmv', |
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'title': '64ste Vakantiecursus: Afvalwater', |
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'description': 'md5:7fd774865cc69d972f542b157c328305', |
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'thumbnail': r're:^https?://.*\.jpg(?:\?.*?)?$', |
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'duration': 10853, |
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'timestamp': 1326446400, |
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'upload_date': '20120113', |
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}, |
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}, |
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{ |
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'url': 'http://digitalops.sandia.gov/Mediasite/Play/24aace4429fc450fb5b38cdbf424a66e1d', |
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'md5': '9422edc9b9a60151727e4b6d8bef393d', |
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'info_dict': { |
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'id': '24aace4429fc450fb5b38cdbf424a66e1d', |
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'ext': 'mp4', |
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'title': 'Xyce Software Training - Section 1', |
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'description': r're:(?s)SAND Number: SAND 2013-7800.{200,}', |
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'upload_date': '20120409', |
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'timestamp': 1333983600, |
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'duration': 7794, |
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} |
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} |
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] |
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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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2: 'slide', |
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3: 'presentation', |
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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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resource_id = mobj.group('id') |
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query = mobj.group('query') |
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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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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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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': 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'))['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 = 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(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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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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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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# from Stream['Slides'] |
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# this will require writing a custom downloader... |
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# disprefer 'secondary' streams |
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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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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_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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self._sort_formats(formats) |
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# XXX: Presentation['Presenters'] |
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# XXX: Presentation['Transcript'] |
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return { |
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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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