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[extractor/slideslive] Fix extractor (#5737)
Closes #1532 Authored by: bashonly, Grub4K
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bashonly
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@ -1,92 +1,176 @@
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from .common import InfoExtractor
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from ..utils import (
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bool_or_none,
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smuggle_url,
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try_get,
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traverse_obj,
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unified_timestamp,
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url_or_none,
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)
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class SlidesLiveIE(InfoExtractor):
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_VALID_URL = r'https?://slideslive\.com/(?P<id>[0-9]+)'
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_WORKING = False
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_TESTS = [{
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# video_service_name = YOUTUBE
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# service_name = yoda
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'url': 'https://slideslive.com/38902413/gcc-ia16-backend',
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'md5': 'b29fcd6c6952d0c79c5079b0e7a07e6f',
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'info_dict': {
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'id': 'LMtgR8ba0b0',
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'id': '38902413',
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'ext': 'mp4',
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'title': 'GCC IA16 backend',
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'description': 'Watch full version of this video at https://slideslive.com/38902413.',
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'uploader': 'SlidesLive Videos - A',
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'uploader_id': 'UC62SdArr41t_-_fX40QCLRw',
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'timestamp': 1597615266,
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'upload_date': '20170925',
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}
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}, {
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# video_service_name = yoda
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'url': 'https://slideslive.com/38935785',
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'md5': '575cd7a6c0acc6e28422fe76dd4bcb1a',
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'info_dict': {
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'id': 'RMraDYN5ozA_',
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'ext': 'mp4',
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'title': 'Offline Reinforcement Learning: From Algorithms to Practical Challenges',
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'timestamp': 1648189972,
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'upload_date': '20220325',
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'thumbnail': r're:^https?://.*\.jpg',
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},
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'params': {
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'skip_download': 'm3u8',
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},
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}, {
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# video_service_name = youtube
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# service_name = yoda
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'url': 'https://slideslive.com/38935785',
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'info_dict': {
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'id': '38935785',
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'ext': 'mp4',
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'title': 'Offline Reinforcement Learning: From Algorithms to Practical Challenges',
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'upload_date': '20211115',
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'timestamp': 1636996003,
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'thumbnail': r're:^https?://.*\.jpg',
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},
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'params': {
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'skip_download': 'm3u8',
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},
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}, {
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# service_name = yoda
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'url': 'https://slideslive.com/38973182/how-should-a-machine-learning-researcher-think-about-ai-ethics',
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'info_dict': {
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'id': '38973182',
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'ext': 'mp4',
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'title': 'How Should a Machine Learning Researcher Think About AI Ethics?',
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'upload_date': '20220201',
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'thumbnail': r're:^https?://.*\.jpg',
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'timestamp': 1643728135,
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},
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'params': {
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'skip_download': 'm3u8',
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},
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}, {
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# service_name = youtube
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'url': 'https://slideslive.com/38897546/special-metaprednaska-petra-ludwiga-hodnoty-pro-lepsi-spolecnost',
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'md5': '8a79b5e3d700837f40bd2afca3c8fa01',
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'info_dict': {
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'id': 'jmg02wCJD5M',
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'display_id': '38897546',
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'ext': 'mp4',
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'title': 'SPECIÁL: Meta-přednáška Petra Ludwiga - Hodnoty pro lepší společnost',
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'description': 'Watch full version of this video at https://slideslive.com/38897546.',
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'channel_url': 'https://www.youtube.com/channel/UCZWdAkNYFncuX0khyvhqnxw',
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'channel': 'SlidesLive Videos - G1',
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'channel_id': 'UCZWdAkNYFncuX0khyvhqnxw',
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'uploader_id': 'UCZWdAkNYFncuX0khyvhqnxw',
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'uploader': 'SlidesLive Videos - G1',
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'uploader_url': 'http://www.youtube.com/channel/UCZWdAkNYFncuX0khyvhqnxw',
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'live_status': 'not_live',
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'upload_date': '20160710',
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'timestamp': 1618786715,
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'duration': 6827,
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'like_count': int,
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'view_count': int,
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'comment_count': int,
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'channel_follower_count': int,
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'age_limit': 0,
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'thumbnail': r're:^https?://.*\.jpg',
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'playable_in_embed': True,
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'availability': 'unlisted',
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'tags': [],
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'categories': ['People & Blogs'],
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},
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}, {
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# service_name = youtube
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'url': 'https://slideslive.com/38903721/magic-a-scientific-resurrection-of-an-esoteric-legend',
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'only_matching': True,
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}, {
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# video_service_name = url
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# service_name = url
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'url': 'https://slideslive.com/38922070/learning-transferable-skills-1',
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'only_matching': True,
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}, {
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# video_service_name = vimeo
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# service_name = vimeo
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'url': 'https://slideslive.com/38921896/retrospectives-a-venue-for-selfreflection-in-ml-research-3',
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'only_matching': True,
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}]
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def _extract_custom_m3u8_info(self, m3u8_data):
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m3u8_dict = {}
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lookup = {
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'PRESENTATION-TITLE': 'title',
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'PRESENTATION-UPDATED-AT': 'timestamp',
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'PRESENTATION-THUMBNAIL': 'thumbnail',
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'PLAYLIST-TYPE': 'playlist_type',
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'VOD-VIDEO-SERVICE-NAME': 'service_name',
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'VOD-VIDEO-ID': 'service_id',
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'VOD-VIDEO-SERVERS': 'video_servers',
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'VOD-SUBTITLES': 'subtitles',
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}
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for line in m3u8_data.splitlines():
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if not line.startswith('#EXT-SL-'):
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continue
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tag, _, value = line.partition(':')
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key = lookup.get(tag.lstrip('#EXT-SL-'))
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if not key:
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continue
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m3u8_dict[key] = value
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# Some values are stringified JSON arrays
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for key in ('video_servers', 'subtitles'):
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if key in m3u8_dict:
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m3u8_dict[key] = self._parse_json(m3u8_dict[key], None, fatal=False) or []
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return m3u8_dict
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def _real_extract(self, url):
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video_id = self._match_id(url)
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video_data = self._download_json(
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'https://ben.slideslive.com/player/' + video_id, video_id)
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service_name = video_data['video_service_name'].lower()
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webpage = self._download_webpage(url, video_id)
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player_token = self._search_regex(r'data-player-token="([^"]+)"', webpage, 'player token')
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player_data = self._download_webpage(
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f'https://ben.slideslive.com/player/{video_id}', video_id,
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note='Downloading player info', query={'player_token': player_token})
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player_info = self._extract_custom_m3u8_info(player_data)
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service_name = player_info['service_name'].lower()
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assert service_name in ('url', 'yoda', 'vimeo', 'youtube')
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service_id = video_data['video_service_id']
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service_id = player_info['service_id']
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subtitles = {}
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for sub in try_get(video_data, lambda x: x['subtitles'], list) or []:
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if not isinstance(sub, dict):
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continue
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for sub in traverse_obj(player_info, ('subtitles', ...), expected_type=dict):
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webvtt_url = url_or_none(sub.get('webvtt_url'))
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if not webvtt_url:
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continue
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lang = sub.get('language') or 'en'
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subtitles.setdefault(lang, []).append({
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subtitles.setdefault(sub.get('language') or 'en', []).append({
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'url': webvtt_url,
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'ext': 'vtt',
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})
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info = {
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'id': video_id,
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'thumbnail': video_data.get('thumbnail'),
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'is_live': bool_or_none(video_data.get('is_live')),
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'title': player_info.get('title') or self._html_search_meta('title', webpage, default=''),
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'timestamp': unified_timestamp(player_info.get('timestamp')),
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'is_live': player_info.get('playlist_type') != 'vod',
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'thumbnail': url_or_none(player_info.get('thumbnail')),
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'subtitles': subtitles,
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}
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if service_name in ('url', 'yoda'):
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info['title'] = video_data['title']
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if service_name == 'url':
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info['url'] = service_id
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else:
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cdn_hostname = player_info['video_servers'][0]
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formats = []
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_MANIFEST_PATTERN = 'https://01.cdn.yoda.slideslive.com/%s/master.%s'
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# use `m3u8` entry_protocol until EXT-X-MAP is properly supported by `m3u8_native` entry_protocol
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formats.extend(self._extract_m3u8_formats(
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_MANIFEST_PATTERN % (service_id, 'm3u8'),
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service_id, 'mp4', m3u8_id='hls', fatal=False))
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f'https://{cdn_hostname}/{service_id}/master.m3u8',
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video_id, 'mp4', m3u8_id='hls', fatal=False, live=True))
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formats.extend(self._extract_mpd_formats(
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_MANIFEST_PATTERN % (service_id, 'mpd'), service_id,
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mpd_id='dash', fatal=False))
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f'https://{cdn_hostname}/{service_id}/master.mpd',
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video_id, mpd_id='dash', fatal=False))
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info.update({
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'id': service_id,
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'formats': formats,
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})
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else:
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@ -94,10 +178,11 @@ class SlidesLiveIE(InfoExtractor):
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'_type': 'url_transparent',
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'url': service_id,
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'ie_key': service_name.capitalize(),
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'title': video_data.get('title'),
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'display_id': video_id,
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})
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if service_name == 'vimeo':
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info['url'] = smuggle_url(
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'https://player.vimeo.com/video/' + service_id,
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f'https://player.vimeo.com/video/{service_id}',
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{'http_headers': {'Referer': url}})
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return info
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