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Diffstat (limited to 'youtube_dl/extractor/mediasite.py')
| -rw-r--r-- | youtube_dl/extractor/mediasite.py | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/youtube_dl/extractor/mediasite.py b/youtube_dl/extractor/mediasite.py new file mode 100644 index 000000000..0e2645c55 --- /dev/null +++ b/youtube_dl/extractor/mediasite.py @@ -0,0 +1,214 @@ +# coding: utf-8 +from __future__ import unicode_literals + +import re +import json + +from .common import InfoExtractor +from ..compat import ( + compat_str, + compat_urlparse, +) +from ..utils import ( + ExtractorError, + float_or_none, + mimetype2ext, + unescapeHTML, + unsmuggle_url, + urljoin, +) + + +class MediasiteIE(InfoExtractor): + _VALID_URL = r'(?xi)https?://[^/]+/Mediasite/Play/(?P<id>[0-9a-f]{32,34})(?P<query>\?[^#]+|)' + _TESTS = [ + { + 'url': 'https://hitsmediaweb.h-its.org/mediasite/Play/2db6c271681e4f199af3c60d1f82869b1d', + 'info_dict': { + 'id': '2db6c271681e4f199af3c60d1f82869b1d', + 'ext': 'mp4', + 'title': 'Lecture: Tuesday, September 20, 2016 - Sir Andrew Wiles', + '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.', + 'timestamp': 1474268400.0, + 'upload_date': '20160919', + }, + }, + { + 'url': 'http://mediasite.uib.no/Mediasite/Play/90bb363295d945d6b548c867d01181361d?catalog=a452b7df-9ae1-46b7-a3ba-aceeb285f3eb', + 'info_dict': { + 'id': '90bb363295d945d6b548c867d01181361d', + 'ext': 'mp4', + 'upload_date': '20150429', + 'title': '5) IT-forum 2015-Dag 1 - Dungbeetle - How and why Rain created a tiny bug tracker for Unity', + 'timestamp': 1430311380.0, + }, + }, + { + 'url': 'https://collegerama.tudelft.nl/Mediasite/Play/585a43626e544bdd97aeb71a0ec907a01d', + 'md5': '481fda1c11f67588c0d9d8fbdced4e39', + 'info_dict': { + 'id': '585a43626e544bdd97aeb71a0ec907a01d', + 'ext': 'mp4', + 'title': 'Een nieuwe wereld: waarden, bewustzijn en techniek van de mensheid 2.0.', + 'description': '', + 'thumbnail': r're:^https?://.*\.jpg(?:\?.*)?$', + 'duration': 7713.088, + 'timestamp': 1413309600, + 'upload_date': '20141014', + }, + }, + { + 'url': 'https://collegerama.tudelft.nl/Mediasite/Play/86a9ea9f53e149079fbdb4202b521ed21d?catalog=fd32fd35-6c99-466c-89d4-cd3c431bc8a4', + 'md5': 'ef1fdded95bdf19b12c5999949419c92', + 'info_dict': { + 'id': '86a9ea9f53e149079fbdb4202b521ed21d', + 'ext': 'wmv', + 'title': '64ste Vakantiecursus: Afvalwater', + 'description': 'md5:7fd774865cc69d972f542b157c328305', + 'thumbnail': r're:^https?://.*\.jpg(?:\?.*?)?$', + 'duration': 10853, + 'timestamp': 1326446400, + 'upload_date': '20120113', + }, + }, + { + 'url': 'http://digitalops.sandia.gov/Mediasite/Play/24aace4429fc450fb5b38cdbf424a66e1d', + 'md5': '9422edc9b9a60151727e4b6d8bef393d', + 'info_dict': { + 'id': '24aace4429fc450fb5b38cdbf424a66e1d', + 'ext': 'mp4', + 'title': 'Xyce Software Training - Section 1', + 'description': r're:(?s)SAND Number: SAND 2013-7800.{200,}', + 'upload_date': '20120409', + 'timestamp': 1333983600, + 'duration': 7794, + } + } + ] + + # look in Mediasite.Core.js (Mediasite.ContentStreamType[*]) + _STREAM_TYPES = { + 0: 'video1', # the main video + 2: 'slide', + 3: 'presentation', + 4: 'video2', # screencast? + 5: 'video3', + } + + @staticmethod + def _extract_urls(webpage): + return [ + unescapeHTML(mobj.group('url')) + for mobj in re.finditer( + r'(?xi)<iframe\b[^>]+\bsrc=(["\'])(?P<url>(?:(?:https?:)?//[^/]+)?/Mediasite/Play/[0-9a-f]{32,34}(?:\?.*?)?)\1', + webpage)] + + def _real_extract(self, url): + url, data = unsmuggle_url(url, {}) + mobj = re.match(self._VALID_URL, url) + resource_id = mobj.group('id') + query = mobj.group('query') + + webpage, urlh = self._download_webpage_handle(url, resource_id) # XXX: add UrlReferrer? + redirect_url = compat_str(urlh.geturl()) + + # XXX: might have also extracted UrlReferrer and QueryString from the html + service_path = compat_urlparse.urljoin(redirect_url, self._html_search_regex( + r'<div[^>]+\bid=["\']ServicePath[^>]+>(.+?)</div>', webpage, resource_id, + default='/Mediasite/PlayerService/PlayerService.svc/json')) + + player_options = self._download_json( + '%s/GetPlayerOptions' % service_path, resource_id, + headers={ + 'Content-type': 'application/json; charset=utf-8', + 'X-Requested-With': 'XMLHttpRequest', + }, + data=json.dumps({ + 'getPlayerOptionsRequest': { + 'ResourceId': resource_id, + 'QueryString': query, + 'UrlReferrer': data.get('UrlReferrer', ''), + 'UseScreenReader': False, + } + }).encode('utf-8'))['d'] + + presentation = player_options['Presentation'] + title = presentation['Title'] + + if presentation is None: + raise ExtractorError( + 'Mediasite says: %s' % player_options['PlayerPresentationStatusMessage'], + expected=True) + + thumbnails = [] + formats = [] + for snum, Stream in enumerate(presentation['Streams']): + stream_type = Stream.get('StreamType') + if stream_type is None: + continue + + video_urls = Stream.get('VideoUrls') + if not isinstance(video_urls, list): + video_urls = [] + + stream_id = self._STREAM_TYPES.get( + stream_type, 'type%u' % stream_type) + + stream_formats = [] + for unum, VideoUrl in enumerate(video_urls): + video_url = VideoUrl.get('Location') + if not video_url or not isinstance(video_url, compat_str): + continue + # XXX: if Stream.get('CanChangeScheme', False), switch scheme to HTTP/HTTPS + + media_type = VideoUrl.get('MediaType') + if media_type == 'SS': + stream_formats.extend(self._extract_ism_formats( + video_url, resource_id, + ism_id='%s-%u.%u' % (stream_id, snum, unum), + fatal=False)) + elif media_type == 'Dash': + stream_formats.extend(self._extract_mpd_formats( + video_url, resource_id, + mpd_id='%s-%u.%u' % (stream_id, snum, unum), + fatal=False)) + else: + stream_formats.append({ + 'format_id': '%s-%u.%u' % (stream_id, snum, unum), + 'url': video_url, + 'ext': mimetype2ext(VideoUrl.get('MimeType')), + }) + + # TODO: if Stream['HasSlideContent']: + # synthesise an MJPEG video stream '%s-%u.slides' % (stream_type, snum) + # from Stream['Slides'] + # this will require writing a custom downloader... + + # disprefer 'secondary' streams + if stream_type != 0: + for fmt in stream_formats: + fmt['preference'] = -1 + + thumbnail_url = Stream.get('ThumbnailUrl') + if thumbnail_url: + thumbnails.append({ + 'id': '%s-%u' % (stream_id, snum), + 'url': urljoin(redirect_url, thumbnail_url), + 'preference': -1 if stream_type != 0 else 0, + }) + formats.extend(stream_formats) + + self._sort_formats(formats) + + # XXX: Presentation['Presenters'] + # XXX: Presentation['Transcript'] + + return { + 'id': resource_id, + 'title': title, + 'description': presentation.get('Description'), + 'duration': float_or_none(presentation.get('Duration'), 1000), + 'timestamp': float_or_none(presentation.get('UnixTime'), 1000), + 'formats': formats, + 'thumbnails': thumbnails, + } |