mirror of
				https://github.com/yt-dlp/yt-dlp.git
				synced 2025-11-03 16:15:14 +00:00 
			
		
		
		
	Original PR: https://github.com/ytdl-org/youtube-dl/pull/26934 Authored by: bwildenhain, C0D3D3V
		
			
				
	
	
		
			178 lines
		
	
	
		
			7.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			178 lines
		
	
	
		
			7.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# coding: utf-8
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from __future__ import unicode_literals
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import re
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from .common import InfoExtractor
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from ..utils import (
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    determine_ext,
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    ExtractorError,
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    int_or_none,
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    parse_iso8601,
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    traverse_obj,
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    variadic,
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)
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class OpencastBaseIE(InfoExtractor):
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    _INSTANCES_RE = r'''(?:
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                            opencast\.informatik\.kit\.edu|
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                            electures\.uni-muenster\.de|
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                            oc-presentation\.ltcc\.tuwien\.ac\.at|
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                            medien\.ph-noe\.ac\.at|
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                            oc-video\.ruhr-uni-bochum\.de|
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                            oc-video1\.ruhr-uni-bochum\.de|
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                            opencast\.informatik\.uni-goettingen\.de|
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                            heicast\.uni-heidelberg\.de|
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                            opencast\.hawk\.de:8080|
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                            opencast\.hs-osnabrueck\.de|
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                            video[0-9]+\.virtuos\.uni-osnabrueck\.de|
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                            opencast\.uni-koeln\.de|
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                            media\.opencast\.hochschule-rhein-waal\.de|
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                            matterhorn\.dce\.harvard\.edu|
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                            hs-harz\.opencast\.uni-halle\.de|
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                            videocampus\.urz\.uni-leipzig\.de|
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                            media\.uct\.ac\.za|
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                            vid\.igb\.illinois\.edu|
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                            cursosabertos\.c3sl\.ufpr\.br|
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                            mcmedia\.missioncollege\.org|
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                            clases\.odon\.edu\.uy
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                        )'''
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    _UUID_RE = r'[\da-fA-F]{8}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{12}'
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    def _call_api(self, host, video_id, **kwargs):
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        return self._download_json(self._API_BASE % (host, video_id), video_id, **kwargs)
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    def _parse_mediapackage(self, video):
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        video_id = video.get('id')
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        if video_id is None:
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            raise ExtractorError('Video id was not found')
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        formats = []
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        for track in variadic(traverse_obj(video, ('media', 'track')) or []):
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            href = track.get('url')
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            if href is None:
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                continue
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            ext = determine_ext(href, None)
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            transport = track.get('transport')
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            if transport == 'DASH' or ext == 'mpd':
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                formats.extend(self._extract_mpd_formats_and_subtitles(href, video_id, mpd_id='dash', fatal=False))
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            elif transport == 'HLS' or ext == 'm3u8':
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                formats.extend(self._extract_m3u8_formats_and_subtitles(
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                    href, video_id, m3u8_id='hls', entry_protocol='m3u8_native', fatal=False))
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            elif transport == 'HDS' or ext == 'f4m':
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                formats.extend(self._extract_f4m_formats(href, video_id, f4m_id='hds', fatal=False))
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            elif transport == 'SMOOTH':
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                formats.extend(self._extract_ism_formats(href, video_id, ism_id='smooth', fatal=False))
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            elif ext == 'smil':
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                formats.extend(self._extract_smil_formats(href, video_id, fatal=False))
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            else:
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                track_obj = {
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                    'url': href,
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                    'ext': ext,
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                    'format_note': track.get('transport'),
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                    'resolution': traverse_obj(track, ('video', 'resolution')),
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                    'fps': int_or_none(traverse_obj(track, ('video', 'framerate'))),
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                    'vbr': int_or_none(traverse_obj(track, ('video', 'bitrate')), scale=1000),
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                    'vcodec': traverse_obj(track, ('video', 'encoder', 'type')) if track.get('video') else 'none',
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                    'abr': int_or_none(traverse_obj(track, ('audio', 'bitrate')), scale=1000),
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                    'asr': int_or_none(traverse_obj(track, ('audio', 'samplingrate'))),
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                    'acodec': traverse_obj(track, ('audio', 'encoder', 'type')) if track.get('audio') else 'none',
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                }
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                if transport == 'RTMP':
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                    m_obj = re.search(r'(?:rtmp://[^/]+/(?P<app>[^/]+))/(?P<ext>.+):(?P<playpath>.+)', href)
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                    if not m_obj:
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                        continue
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                    track_obj.update({
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                        'app': m_obj.group('app'),
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                        'ext': m_obj.group('ext'),
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                        'play_path': m_obj.group('ext') + ':' + m_obj.group('playpath'),
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                        'rtmp_live': True,
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                        'preference': -2,
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                    })
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                formats.append(track_obj)
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        self._sort_formats(formats)
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        return {
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            'id': video_id,
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            'formats': formats,
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            'title': video.get('title'),
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            'series': video.get('seriestitle'),
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            'season_id': video.get('series'),
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            'creator': traverse_obj(video, ('creators', 'creator')),
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            'timestamp': parse_iso8601(video.get('start')),
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            'thumbnail': traverse_obj(video, ('attachments', 'attachment', ..., 'url'), get_all=False),
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        }
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class OpencastIE(OpencastBaseIE):
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    _VALID_URL = r'''(?x)
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                    https?://(?P<host>%s)/paella/ui/watch.html\?.*?
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                    id=(?P<id>%s)
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                    ''' % (OpencastBaseIE._INSTANCES_RE, OpencastBaseIE._UUID_RE)
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    _API_BASE = 'https://%s/search/episode.json?id=%s'
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    _TESTS = [
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        {
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            'url': 'https://oc-video1.ruhr-uni-bochum.de/paella/ui/watch.html?id=ed063cd5-72c8-46b5-a60a-569243edcea8',
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            'md5': '554c8e99a90f7be7e874619fcf2a3bc9',
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            'info_dict': {
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                'id': 'ed063cd5-72c8-46b5-a60a-569243edcea8',
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                'ext': 'mp4',
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                'title': '11 - Kryptographie - 24.11.2015',
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                'thumbnail': r're:^https?://.*\.jpg$',
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                'timestamp': 1606208400,
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                'upload_date': '20201124',
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            },
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        }
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    ]
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    def _real_extract(self, url):
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        host, video_id = self._match_valid_url(url).group('host', 'id')
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        return self._parse_mediapackage(
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            self._call_api(host, video_id)['search-results']['result']['mediapackage'])
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class OpencastPlaylistIE(OpencastBaseIE):
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    _VALID_URL = r'''(?x)
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                            https?://(?P<host>%s)/engage/ui/index.html\?.*?
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                            epFrom=(?P<id>%s)
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                    ''' % (OpencastBaseIE._INSTANCES_RE, OpencastBaseIE._UUID_RE)
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    _API_BASE = 'https://%s/search/episode.json?sid=%s'
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    _TESTS = [
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        {
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            'url': 'https://oc-video1.ruhr-uni-bochum.de/engage/ui/index.html?epFrom=cf68a4a1-36b1-4a53-a6ba-61af5705a0d0',
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            'info_dict': {
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                'id': 'cf68a4a1-36b1-4a53-a6ba-61af5705a0d0',
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                'title': 'Kryptographie - WiSe 15/16',
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            },
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            'playlist_mincount': 28,
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        },
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        {
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            'url': 'https://oc-video.ruhr-uni-bochum.de/engage/ui/index.html?e=1&p=1&epFrom=b1a54262-3684-403f-9731-8e77c3766f9a',
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            'info_dict': {
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                'id': 'b1a54262-3684-403f-9731-8e77c3766f9a',
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                'title': 'inSTUDIES-Social movements and prefigurative politics in a global perspective',
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            },
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            'playlist_mincount': 6,
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        },
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    ]
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    def _real_extract(self, url):
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        host, video_id = self._match_valid_url(url).group('host', 'id')
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        entries = [
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            self._parse_mediapackage(episode['mediapackage'])
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            for episode in variadic(self._call_api(host, video_id)['search-results']['result'])
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            if episode.get('mediapackage')
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        ]
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        return self.playlist_result(entries, video_id, traverse_obj(entries, (0, 'series')))
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