1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
# coding: utf-8
from __future__ import unicode_literals
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_and_subtitles(href, video_id, mpd_id='dash', fatal=False))
elif transport == 'HLS' or ext == 'm3u8':
formats.extend(self._extract_m3u8_formats_and_subtitles(
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)
self._sort_formats(formats)
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 = r'''(?x)
https?://(?P<host>%s)/paella/ui/watch.html\?.*?
id=(?P<id>%s)
''' % (OpencastBaseIE._INSTANCES_RE, 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',
},
}
]
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 = r'''(?x)
https?://(?P<host>%s)/engage/ui/index.html\?.*?
epFrom=(?P<id>%s)
''' % (OpencastBaseIE._INSTANCES_RE, 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': 28,
},
{
'url': 'https://oc-video.ruhr-uni-bochum.de/engage/ui/index.html?e=1&p=1&epFrom=b1a54262-3684-403f-9731-8e77c3766f9a',
'info_dict': {
'id': 'b1a54262-3684-403f-9731-8e77c3766f9a',
'title': 'inSTUDIES-Social movements and prefigurative politics in a global perspective',
},
'playlist_mincount': 6,
},
]
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')))
|
