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-rw-r--r--yt_dlp/extractor/opencast.py183
1 files changed, 183 insertions, 0 deletions
diff --git a/yt_dlp/extractor/opencast.py b/yt_dlp/extractor/opencast.py
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+++ b/yt_dlp/extractor/opencast.py
@@ -0,0 +1,183 @@
+import re
+
+from .common import InfoExtractor
+from ..utils import (
+ determine_ext,
+ ExtractorError,
+ int_or_none,
+ parse_iso8601,
+ traverse_obj,
+ variadic,
+)
+
+
+class OpencastBaseIE(InfoExtractor):
+ _INSTANCES_RE = r'''(?:
+ opencast\.informatik\.kit\.edu|
+ electures\.uni-muenster\.de|
+ oc-presentation\.ltcc\.tuwien\.ac\.at|
+ medien\.ph-noe\.ac\.at|
+ oc-video\.ruhr-uni-bochum\.de|
+ oc-video1\.ruhr-uni-bochum\.de|
+ opencast\.informatik\.uni-goettingen\.de|
+ heicast\.uni-heidelberg\.de|
+ opencast\.hawk\.de:8080|
+ opencast\.hs-osnabrueck\.de|
+ video[0-9]+\.virtuos\.uni-osnabrueck\.de|
+ opencast\.uni-koeln\.de|
+ media\.opencast\.hochschule-rhein-waal\.de|
+ matterhorn\.dce\.harvard\.edu|
+ hs-harz\.opencast\.uni-halle\.de|
+ videocampus\.urz\.uni-leipzig\.de|
+ media\.uct\.ac\.za|
+ vid\.igb\.illinois\.edu|
+ cursosabertos\.c3sl\.ufpr\.br|
+ mcmedia\.missioncollege\.org|
+ clases\.odon\.edu\.uy
+ )'''
+ _UUID_RE = r'[\da-fA-F]{8}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{12}'
+
+ def _call_api(self, host, video_id, **kwargs):
+ return self._download_json(self._API_BASE % (host, video_id), video_id, **kwargs)
+
+ def _parse_mediapackage(self, video):
+ video_id = video.get('id')
+ if video_id is None:
+ raise ExtractorError('Video id was not found')
+
+ formats = []
+ for track in variadic(traverse_obj(video, ('media', 'track')) or []):
+ href = track.get('url')
+ if href is None:
+ continue
+ ext = determine_ext(href, None)
+
+ transport = track.get('transport')
+
+ if transport == 'DASH' or ext == 'mpd':
+ formats.extend(self._extract_mpd_formats(href, video_id, mpd_id='dash', fatal=False))
+ elif transport == 'HLS' or ext == 'm3u8':
+ formats.extend(self._extract_m3u8_formats(
+ href, video_id, m3u8_id='hls', entry_protocol='m3u8_native', fatal=False))
+ elif transport == 'HDS' or ext == 'f4m':
+ formats.extend(self._extract_f4m_formats(href, video_id, f4m_id='hds', fatal=False))
+ elif transport == 'SMOOTH':
+ formats.extend(self._extract_ism_formats(href, video_id, ism_id='smooth', fatal=False))
+ elif ext == 'smil':
+ formats.extend(self._extract_smil_formats(href, video_id, fatal=False))
+ else:
+ track_obj = {
+ 'url': href,
+ 'ext': ext,
+ 'format_note': track.get('transport'),
+ 'resolution': traverse_obj(track, ('video', 'resolution')),
+ 'fps': int_or_none(traverse_obj(track, ('video', 'framerate'))),
+ 'vbr': int_or_none(traverse_obj(track, ('video', 'bitrate')), scale=1000),
+ 'vcodec': traverse_obj(track, ('video', 'encoder', 'type')) if track.get('video') else 'none',
+ 'abr': int_or_none(traverse_obj(track, ('audio', 'bitrate')), scale=1000),
+ 'asr': int_or_none(traverse_obj(track, ('audio', 'samplingrate'))),
+ 'acodec': traverse_obj(track, ('audio', 'encoder', 'type')) if track.get('audio') else 'none',
+ }
+
+ if transport == 'RTMP':
+ m_obj = re.search(r'(?:rtmp://[^/]+/(?P<app>[^/]+))/(?P<ext>.+):(?P<playpath>.+)', href)
+ if not m_obj:
+ continue
+ track_obj.update({
+ 'app': m_obj.group('app'),
+ 'ext': m_obj.group('ext'),
+ 'play_path': m_obj.group('ext') + ':' + m_obj.group('playpath'),
+ 'rtmp_live': True,
+ 'preference': -2,
+ })
+ formats.append(track_obj)
+
+ return {
+ 'id': video_id,
+ 'formats': formats,
+ 'title': video.get('title'),
+ 'series': video.get('seriestitle'),
+ 'season_id': video.get('series'),
+ 'creator': traverse_obj(video, ('creators', 'creator')),
+ 'timestamp': parse_iso8601(video.get('start')),
+ 'thumbnail': traverse_obj(video, ('attachments', 'attachment', ..., 'url'), get_all=False),
+ }
+
+
+class OpencastIE(OpencastBaseIE):
+ _VALID_URL = rf'''(?x)
+ https?://(?P<host>{OpencastBaseIE._INSTANCES_RE})/paella/ui/watch\.html\?
+ (?:[^#]+&)?id=(?P<id>{OpencastBaseIE._UUID_RE})'''
+
+ _API_BASE = 'https://%s/search/episode.json?id=%s'
+
+ _TESTS = [
+ {
+ 'url': 'https://oc-video1.ruhr-uni-bochum.de/paella/ui/watch.html?id=ed063cd5-72c8-46b5-a60a-569243edcea8',
+ 'md5': '554c8e99a90f7be7e874619fcf2a3bc9',
+ 'info_dict': {
+ 'id': 'ed063cd5-72c8-46b5-a60a-569243edcea8',
+ 'ext': 'mp4',
+ 'title': '11 - Kryptographie - 24.11.2015',
+ 'thumbnail': r're:^https?://.*\.jpg$',
+ 'timestamp': 1606208400,
+ 'upload_date': '20201124',
+ 'season_id': 'cf68a4a1-36b1-4a53-a6ba-61af5705a0d0',
+ 'series': 'Kryptographie - WiSe 15/16',
+ 'creator': 'Alexander May',
+ },
+ }
+ ]
+
+ def _real_extract(self, url):
+ host, video_id = self._match_valid_url(url).group('host', 'id')
+ return self._parse_mediapackage(
+ self._call_api(host, video_id)['search-results']['result']['mediapackage'])
+
+
+class OpencastPlaylistIE(OpencastBaseIE):
+ _VALID_URL = rf'''(?x)
+ https?://(?P<host>{OpencastBaseIE._INSTANCES_RE})(?:
+ /engage/ui/index\.html\?(?:[^#]+&)?epFrom=|
+ /ltitools/index\.html\?(?:[^#]+&)?series=
+ )(?P<id>{OpencastBaseIE._UUID_RE})'''
+
+ _API_BASE = 'https://%s/search/episode.json?sid=%s'
+
+ _TESTS = [
+ {
+ 'url': 'https://oc-video1.ruhr-uni-bochum.de/engage/ui/index.html?epFrom=cf68a4a1-36b1-4a53-a6ba-61af5705a0d0',
+ 'info_dict': {
+ 'id': 'cf68a4a1-36b1-4a53-a6ba-61af5705a0d0',
+ 'title': 'Kryptographie - WiSe 15/16',
+ },
+ 'playlist_mincount': 29,
+ },
+ {
+ 'url': 'https://oc-video1.ruhr-uni-bochum.de/ltitools/index.html?subtool=series&series=cf68a4a1-36b1-4a53-a6ba-61af5705a0d0&lng=de',
+ 'info_dict': {
+ 'id': 'cf68a4a1-36b1-4a53-a6ba-61af5705a0d0',
+ 'title': 'Kryptographie - WiSe 15/16',
+ },
+ 'playlist_mincount': 29,
+ },
+ {
+ 'url': 'https://electures.uni-muenster.de/engage/ui/index.html?e=1&p=1&epFrom=39391d10-a711-4d23-b21d-afd2ed7d758c',
+ 'info_dict': {
+ 'id': '39391d10-a711-4d23-b21d-afd2ed7d758c',
+ 'title': '021670 Theologische Themen bei Hans Blumenberg WiSe 2017/18',
+ },
+ 'playlist_mincount': 13,
+ },
+ ]
+
+ def _real_extract(self, url):
+ host, video_id = self._match_valid_url(url).group('host', 'id')
+
+ entries = [
+ self._parse_mediapackage(episode['mediapackage'])
+ for episode in variadic(self._call_api(host, video_id)['search-results']['result'])
+ if episode.get('mediapackage')
+ ]
+
+ return self.playlist_result(entries, video_id, traverse_obj(entries, (0, 'series')))
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-13 10:21:02 +0000