From c7bab7c39fd51c0812f70020172766303191bc01 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 5 May 2024 19:37:42 +0200
Subject: Adding upstream version 2023.03.04.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 yt_dlp/extractor/bilibili.py | 1233 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 1233 insertions(+)
 create mode 100644 yt_dlp/extractor/bilibili.py

(limited to 'yt_dlp/extractor/bilibili.py')

diff --git a/yt_dlp/extractor/bilibili.py b/yt_dlp/extractor/bilibili.py
new file mode 100644
index 0000000..c344397
--- /dev/null
+++ b/yt_dlp/extractor/bilibili.py
@@ -0,0 +1,1233 @@
+import base64
+import functools
+import itertools
+import math
+import urllib.error
+import urllib.parse
+
+from .common import InfoExtractor, SearchInfoExtractor
+from ..dependencies import Cryptodome
+from ..utils import (
+    ExtractorError,
+    GeoRestrictedError,
+    InAdvancePagedList,
+    OnDemandPagedList,
+    filter_dict,
+    float_or_none,
+    format_field,
+    int_or_none,
+    make_archive_id,
+    merge_dicts,
+    mimetype2ext,
+    parse_count,
+    parse_qs,
+    qualities,
+    smuggle_url,
+    srt_subtitles_timecode,
+    str_or_none,
+    traverse_obj,
+    unsmuggle_url,
+    url_or_none,
+    urlencode_postdata,
+)
+
+
+class BilibiliBaseIE(InfoExtractor):
+    def extract_formats(self, play_info):
+        format_names = {
+            r['quality']: traverse_obj(r, 'new_description', 'display_desc')
+            for r in traverse_obj(play_info, ('support_formats', lambda _, v: v['quality']))
+        }
+
+        audios = traverse_obj(play_info, ('dash', 'audio', ...))
+        flac_audio = traverse_obj(play_info, ('dash', 'flac', 'audio'))
+        if flac_audio:
+            audios.append(flac_audio)
+        formats = [{
+            'url': traverse_obj(audio, 'baseUrl', 'base_url', 'url'),
+            'ext': mimetype2ext(traverse_obj(audio, 'mimeType', 'mime_type')),
+            'acodec': audio.get('codecs'),
+            'vcodec': 'none',
+            'tbr': float_or_none(audio.get('bandwidth'), scale=1000),
+            'filesize': int_or_none(audio.get('size'))
+        } for audio in audios]
+
+        formats.extend({
+            'url': traverse_obj(video, 'baseUrl', 'base_url', 'url'),
+            'ext': mimetype2ext(traverse_obj(video, 'mimeType', 'mime_type')),
+            'fps': float_or_none(traverse_obj(video, 'frameRate', 'frame_rate')),
+            'width': int_or_none(video.get('width')),
+            'height': int_or_none(video.get('height')),
+            'vcodec': video.get('codecs'),
+            'acodec': 'none' if audios else None,
+            'tbr': float_or_none(video.get('bandwidth'), scale=1000),
+            'filesize': int_or_none(video.get('size')),
+            'quality': int_or_none(video.get('id')),
+            'format': format_names.get(video.get('id')),
+        } for video in traverse_obj(play_info, ('dash', 'video', ...)))
+
+        missing_formats = format_names.keys() - set(traverse_obj(formats, (..., 'quality')))
+        if missing_formats:
+            self.to_screen(f'Format(s) {", ".join(format_names[i] for i in missing_formats)} are missing; '
+                           f'you have to login or become premium member to download them. {self._login_hint()}')
+
+        return formats
+
+    def json2srt(self, json_data):
+        srt_data = ''
+        for idx, line in enumerate(json_data.get('body') or []):
+            srt_data += (f'{idx + 1}\n'
+                         f'{srt_subtitles_timecode(line["from"])} --> {srt_subtitles_timecode(line["to"])}\n'
+                         f'{line["content"]}\n\n')
+        return srt_data
+
+    def _get_subtitles(self, video_id, aid, cid):
+        subtitles = {
+            'danmaku': [{
+                'ext': 'xml',
+                'url': f'https://comment.bilibili.com/{cid}.xml',
+            }]
+        }
+
+        video_info_json = self._download_json(f'https://api.bilibili.com/x/player/v2?aid={aid}&cid={cid}', video_id)
+        for s in traverse_obj(video_info_json, ('data', 'subtitle', 'subtitles', ...)):
+            subtitles.setdefault(s['lan'], []).append({
+                'ext': 'srt',
+                'data': self.json2srt(self._download_json(s['subtitle_url'], video_id))
+            })
+        return subtitles
+
+    def _get_chapters(self, aid, cid):
+        chapters = aid and cid and self._download_json(
+            'https://api.bilibili.com/x/player/v2', aid, query={'aid': aid, 'cid': cid},
+            note='Extracting chapters', fatal=False)
+        return traverse_obj(chapters, ('data', 'view_points', ..., {
+            'title': 'content',
+            'start_time': 'from',
+            'end_time': 'to',
+        })) or None
+
+    def _get_comments(self, aid):
+        for idx in itertools.count(1):
+            replies = traverse_obj(
+                self._download_json(
+                    f'https://api.bilibili.com/x/v2/reply?pn={idx}&oid={aid}&type=1&jsonp=jsonp&sort=2&_=1567227301685',
+                    aid, note=f'Extracting comments from page {idx}', fatal=False),
+                ('data', 'replies'))
+            if not replies:
+                return
+            for children in map(self._get_all_children, replies):
+                yield from children
+
+    def _get_all_children(self, reply):
+        yield {
+            'author': traverse_obj(reply, ('member', 'uname')),
+            'author_id': traverse_obj(reply, ('member', 'mid')),
+            'id': reply.get('rpid'),
+            'text': traverse_obj(reply, ('content', 'message')),
+            'timestamp': reply.get('ctime'),
+            'parent': reply.get('parent') or 'root',
+        }
+        for children in map(self._get_all_children, traverse_obj(reply, ('replies', ...))):
+            yield from children
+
+
+class BiliBiliIE(BilibiliBaseIE):
+    _VALID_URL = r'https?://www\.bilibili\.com/video/[aAbB][vV](?P<id>[^/?#&]+)'
+
+    _TESTS = [{
+        'url': 'https://www.bilibili.com/video/BV13x41117TL',
+        'info_dict': {
+            'id': 'BV13x41117TL',
+            'title': '阿滴英文｜英文歌分享#6 "Closer',
+            'ext': 'mp4',
+            'description': '滴妹今天唱Closer給你聽! 有史以来，被推最多次也是最久的歌曲，其实歌词跟我原本想像差蛮多的，不过还是好听！ 微博@阿滴英文',
+            'uploader_id': '65880958',
+            'uploader': '阿滴英文',
+            'thumbnail': r're:^https?://.*\.(jpg|jpeg|png)$',
+            'duration': 554.117,
+            'tags': list,
+            'comment_count': int,
+            'upload_date': '20170301',
+            'timestamp': 1488353834,
+            'like_count': int,
+            'view_count': int,
+        },
+    }, {
+        # old av URL version
+        'url': 'http://www.bilibili.com/video/av1074402/',
+        'info_dict': {
+            'thumbnail': r're:^https?://.*\.(jpg|jpeg)$',
+            'ext': 'mp4',
+            'uploader': '菊子桑',
+            'uploader_id': '156160',
+            'id': 'BV11x411K7CN',
+            'title': '【金坷垃】金泡沫',
+            'duration': 308.36,
+            'upload_date': '20140420',
+            'timestamp': 1397983878,
+            'description': 'md5:ce18c2a2d2193f0df2917d270f2e5923',
+            'like_count': int,
+            'comment_count': int,
+            'view_count': int,
+            'tags': list,
+        },
+        'params': {'skip_download': True},
+    }, {
+        'note': 'Anthology',
+        'url': 'https://www.bilibili.com/video/BV1bK411W797',
+        'info_dict': {
+            'id': 'BV1bK411W797',
+            'title': '物语中的人物是如何吐槽自己的OP的'
+        },
+        'playlist_count': 18,
+        'playlist': [{
+            'info_dict': {
+                'id': 'BV1bK411W797_p1',
+                'ext': 'mp4',
+                'title': '物语中的人物是如何吐槽自己的OP的 p01 Staple Stable/战场原+羽川',
+                'tags': 'count:11',
+                'timestamp': 1589601697,
+                'thumbnail': r're:^https?://.*\.(jpg|jpeg|png)$',
+                'uploader': '打牌还是打桩',
+                'uploader_id': '150259984',
+                'like_count': int,
+                'comment_count': int,
+                'upload_date': '20200516',
+                'view_count': int,
+                'description': 'md5:e3c401cf7bc363118d1783dd74068a68',
+                'duration': 90.314,
+            }
+        }]
+    }, {
+        'note': 'Specific page of Anthology',
+        'url': 'https://www.bilibili.com/video/BV1bK411W797?p=1',
+        'info_dict': {
+            'id': 'BV1bK411W797_p1',
+            'ext': 'mp4',
+            'title': '物语中的人物是如何吐槽自己的OP的 p01 Staple Stable/战场原+羽川',
+            'tags': 'count:11',
+            'timestamp': 1589601697,
+            'thumbnail': r're:^https?://.*\.(jpg|jpeg|png)$',
+            'uploader': '打牌还是打桩',
+            'uploader_id': '150259984',
+            'like_count': int,
+            'comment_count': int,
+            'upload_date': '20200516',
+            'view_count': int,
+            'description': 'md5:e3c401cf7bc363118d1783dd74068a68',
+            'duration': 90.314,
+        }
+    }, {
+        'note': 'video has subtitles',
+        'url': 'https://www.bilibili.com/video/BV12N4y1M7rh',
+        'info_dict': {
+            'id': 'BV12N4y1M7rh',
+            'ext': 'mp4',
+            'title': 'md5:96e8bb42c2b432c0d4ce3434a61479c1',
+            'tags': list,
+            'description': 'md5:afde2b7ba9025c01d9e3dde10de221e4',
+            'duration': 313.557,
+            'upload_date': '20220709',
+            'uploader': '小夫Tech',
+            'timestamp': 1657347907,
+            'uploader_id': '1326814124',
+            'comment_count': int,
+            'view_count': int,
+            'like_count': int,
+            'thumbnail': r're:^https?://.*\.(jpg|jpeg|png)$',
+            'subtitles': 'count:2'
+        },
+        'params': {'listsubtitles': True},
+    }, {
+        'url': 'https://www.bilibili.com/video/av8903802/',
+        'info_dict': {
+            'id': 'BV13x41117TL',
+            'ext': 'mp4',
+            'title': '阿滴英文｜英文歌分享#6 "Closer',
+            'upload_date': '20170301',
+            'description': 'md5:3b1b9e25b78da4ef87e9b548b88ee76a',
+            'timestamp': 1488353834,
+            'uploader_id': '65880958',
+            'uploader': '阿滴英文',
+            'thumbnail': r're:^https?://.*\.(jpg|jpeg|png)$',
+            'duration': 554.117,
+            'tags': list,
+            'comment_count': int,
+            'view_count': int,
+            'like_count': int,
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }, {
+        'note': 'video has chapter',
+        'url': 'https://www.bilibili.com/video/BV1vL411G7N7/',
+        'info_dict': {
+            'id': 'BV1vL411G7N7',
+            'ext': 'mp4',
+            'title': '如何为你的B站视频添加进度条分段',
+            'timestamp': 1634554558,
+            'upload_date': '20211018',
+            'description': 'md5:a9a3d6702b3a94518d419b2e9c320a6d',
+            'tags': list,
+            'uploader': '爱喝咖啡的当麻',
+            'duration': 669.482,
+            'uploader_id': '1680903',
+            'chapters': 'count:6',
+            'comment_count': int,
+            'view_count': int,
+            'like_count': int,
+            'thumbnail': r're:^https?://.*\.(jpg|jpeg|png)$',
+        },
+        'params': {'skip_download': True},
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(url, video_id)
+        initial_state = self._search_json(r'window\.__INITIAL_STATE__\s*=', webpage, 'initial state', video_id)
+        play_info = self._search_json(r'window\.__playinfo__\s*=', webpage, 'play info', video_id)['data']
+
+        video_data = initial_state['videoData']
+        video_id, title = video_data['bvid'], video_data.get('title')
+
+        # Bilibili anthologies are similar to playlists but all videos share the same video ID as the anthology itself.
+        page_list_json = traverse_obj(
+            self._download_json(
+                'https://api.bilibili.com/x/player/pagelist', video_id,
+                fatal=False, query={'bvid': video_id, 'jsonp': 'jsonp'},
+                note='Extracting videos in anthology'),
+            'data', expected_type=list) or []
+        is_anthology = len(page_list_json) > 1
+
+        part_id = int_or_none(parse_qs(url).get('p', [None])[-1])
+        if is_anthology and not part_id and self._yes_playlist(video_id, video_id):
+            return self.playlist_from_matches(
+                page_list_json, video_id, title, ie=BiliBiliIE,
+                getter=lambda entry: f'https://www.bilibili.com/video/{video_id}?p={entry["page"]}')
+
+        if is_anthology:
+            part_id = part_id or 1
+            title += f' p{part_id:02d} {traverse_obj(page_list_json, (part_id - 1, "part")) or ""}'
+
+        aid = video_data.get('aid')
+        old_video_id = format_field(aid, None, f'%s_part{part_id or 1}')
+
+        cid = traverse_obj(video_data, ('pages', part_id - 1, 'cid')) if part_id else video_data.get('cid')
+
+        return {
+            'id': f'{video_id}{format_field(part_id, None, "_p%d")}',
+            'formats': self.extract_formats(play_info),
+            '_old_archive_ids': [make_archive_id(self, old_video_id)] if old_video_id else None,
+            'title': title,
+            'description': traverse_obj(initial_state, ('videoData', 'desc')),
+            'view_count': traverse_obj(initial_state, ('videoData', 'stat', 'view')),
+            'uploader': traverse_obj(initial_state, ('upData', 'name')),
+            'uploader_id': traverse_obj(initial_state, ('upData', 'mid')),
+            'like_count': traverse_obj(initial_state, ('videoData', 'stat', 'like')),
+            'comment_count': traverse_obj(initial_state, ('videoData', 'stat', 'reply')),
+            'tags': traverse_obj(initial_state, ('tags', ..., 'tag_name')),
+            'thumbnail': traverse_obj(initial_state, ('videoData', 'pic')),
+            'timestamp': traverse_obj(initial_state, ('videoData', 'pubdate')),
+            'duration': float_or_none(play_info.get('timelength'), scale=1000),
+            'chapters': self._get_chapters(aid, cid),
+            'subtitles': self.extract_subtitles(video_id, aid, cid),
+            '__post_extractor': self.extract_comments(aid),
+            'http_headers': {'Referer': url},
+        }
+
+
+class BiliBiliBangumiIE(BilibiliBaseIE):
+    _VALID_URL = r'(?x)https?://www\.bilibili\.com/bangumi/play/(?P<id>(?:ss|ep)\d+)'
+
+    _TESTS = [{
+        'url': 'https://www.bilibili.com/bangumi/play/ss897',
+        'info_dict': {
+            'id': 'ss897',
+            'ext': 'mp4',
+            'series': '神的记事本',
+            'season': '神的记事本',
+            'season_id': 897,
+            'season_number': 1,
+            'episode': '你与旅行包',
+            'episode_number': 2,
+            'title': '神的记事本：第2话 你与旅行包',
+            'duration': 1428.487,
+            'timestamp': 1310809380,
+            'upload_date': '20110716',
+            'thumbnail': r're:^https?://.*\.(jpg|jpeg|png)$',
+        },
+    }, {
+        'url': 'https://www.bilibili.com/bangumi/play/ep508406',
+        'only_matching': True,
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(url, video_id)
+
+        if '您所在的地区无法观看本片' in webpage:
+            raise GeoRestrictedError('This video is restricted')
+        elif ('开通大会员观看' in webpage and '__playinfo__' not in webpage
+                or '正在观看预览，大会员免费看全片' in webpage):
+            self.raise_login_required('This video is for premium members only')
+
+        play_info = self._search_json(r'window\.__playinfo__\s*=', webpage, 'play info', video_id)['data']
+        formats = self.extract_formats(play_info)
+        if (not formats and '成为大会员抢先看' in webpage
+                and play_info.get('durl') and not play_info.get('dash')):
+            self.raise_login_required('This video is for premium members only')
+
+        initial_state = self._search_json(r'window\.__INITIAL_STATE__\s*=', webpage, 'initial state', video_id)
+
+        season_id = traverse_obj(initial_state, ('mediaInfo', 'season_id'))
+        season_number = season_id and next((
+            idx + 1 for idx, e in enumerate(
+                traverse_obj(initial_state, ('mediaInfo', 'seasons', ...)))
+            if e.get('season_id') == season_id
+        ), None)
+
+        return {
+            'id': video_id,
+            'formats': formats,
+            'title': traverse_obj(initial_state, 'h1Title'),
+            'episode': traverse_obj(initial_state, ('epInfo', 'long_title')),
+            'episode_number': int_or_none(traverse_obj(initial_state, ('epInfo', 'title'))),
+            'series': traverse_obj(initial_state, ('mediaInfo', 'series')),
+            'season': traverse_obj(initial_state, ('mediaInfo', 'season_title')),
+            'season_id': season_id,
+            'season_number': season_number,
+            'thumbnail': traverse_obj(initial_state, ('epInfo', 'cover')),
+            'timestamp': traverse_obj(initial_state, ('epInfo', 'pub_time')),
+            'duration': float_or_none(play_info.get('timelength'), scale=1000),
+            'subtitles': self.extract_subtitles(
+                video_id, initial_state, traverse_obj(initial_state, ('epInfo', 'cid'))),
+            '__post_extractor': self.extract_comments(traverse_obj(initial_state, ('epInfo', 'aid'))),
+            'http_headers': {'Referer': url, **self.geo_verification_headers()},
+        }
+
+
+class BiliBiliBangumiMediaIE(InfoExtractor):
+    _VALID_URL = r'https?://www\.bilibili\.com/bangumi/media/md(?P<id>\d+)'
+    _TESTS = [{
+        'url': 'https://www.bilibili.com/bangumi/media/md24097891',
+        'info_dict': {
+            'id': '24097891',
+        },
+        'playlist_mincount': 25,
+    }]
+
+    def _real_extract(self, url):
+        media_id = self._match_id(url)
+        webpage = self._download_webpage(url, media_id)
+
+        initial_state = self._search_json(r'window\.__INITIAL_STATE__\s*=', webpage, 'initial_state', media_id)
+        episode_list = self._download_json(
+            'https://api.bilibili.com/pgc/web/season/section', media_id,
+            query={'season_id': initial_state['mediaInfo']['season_id']},
+            note='Downloading season info')['result']['main_section']['episodes']
+
+        return self.playlist_result((
+            self.url_result(entry['share_url'], BiliBiliBangumiIE, entry['aid'])
+            for entry in episode_list), media_id)
+
+
+class BilibiliSpaceBaseIE(InfoExtractor):
+    def _extract_playlist(self, fetch_page, get_metadata, get_entries):
+        first_page = fetch_page(0)
+        metadata = get_metadata(first_page)
+
+        paged_list = InAdvancePagedList(
+            lambda idx: get_entries(fetch_page(idx) if idx else first_page),
+            metadata['page_count'], metadata['page_size'])
+
+        return metadata, paged_list
+
+
+class BilibiliSpaceVideoIE(BilibiliSpaceBaseIE):
+    _VALID_URL = r'https?://space\.bilibili\.com/(?P<id>\d+)(?P<video>/video)?/?(?:[?#]|$)'
+    _TESTS = [{
+        'url': 'https://space.bilibili.com/3985676/video',
+        'info_dict': {
+            'id': '3985676',
+        },
+        'playlist_mincount': 178,
+    }]
+
+    def _real_extract(self, url):
+        playlist_id, is_video_url = self._match_valid_url(url).group('id', 'video')
+        if not is_video_url:
+            self.to_screen('A channel URL was given. Only the channel\'s videos will be downloaded. '
+                           'To download audios, add a "/audio" to the URL')
+
+        def fetch_page(page_idx):
+            try:
+                response = self._download_json('https://api.bilibili.com/x/space/arc/search',
+                                               playlist_id, note=f'Downloading page {page_idx}',
+                                               query={'mid': playlist_id, 'pn': page_idx + 1, 'jsonp': 'jsonp'})
+            except ExtractorError as e:
+                if isinstance(e.cause, urllib.error.HTTPError) and e.cause.code == 412:
+                    raise ExtractorError(
+                        'Request is blocked by server (412), please add cookies, wait and try later.', expected=True)
+                raise
+            if response['code'] == -401:
+                raise ExtractorError(
+                    'Request is blocked by server (401), please add cookies, wait and try later.', expected=True)
+            return response['data']
+
+        def get_metadata(page_data):
+            page_size = page_data['page']['ps']
+            entry_count = page_data['page']['count']
+            return {
+                'page_count': math.ceil(entry_count / page_size),
+                'page_size': page_size,
+            }
+
+        def get_entries(page_data):
+            for entry in traverse_obj(page_data, ('list', 'vlist')) or []:
+                yield self.url_result(f'https://www.bilibili.com/video/{entry["bvid"]}', BiliBiliIE, entry['bvid'])
+
+        metadata, paged_list = self._extract_playlist(fetch_page, get_metadata, get_entries)
+        return self.playlist_result(paged_list, playlist_id)
+
+
+class BilibiliSpaceAudioIE(BilibiliSpaceBaseIE):
+    _VALID_URL = r'https?://space\.bilibili\.com/(?P<id>\d+)/audio'
+    _TESTS = [{
+        'url': 'https://space.bilibili.com/3985676/audio',
+        'info_dict': {
+            'id': '3985676',
+        },
+        'playlist_mincount': 1,
+    }]
+
+    def _real_extract(self, url):
+        playlist_id = self._match_id(url)
+
+        def fetch_page(page_idx):
+            return self._download_json(
+                'https://api.bilibili.com/audio/music-service/web/song/upper', playlist_id,
+                note=f'Downloading page {page_idx}',
+                query={'uid': playlist_id, 'pn': page_idx + 1, 'ps': 30, 'order': 1, 'jsonp': 'jsonp'})['data']
+
+        def get_metadata(page_data):
+            return {
+                'page_count': page_data['pageCount'],
+                'page_size': page_data['pageSize'],
+            }
+
+        def get_entries(page_data):
+            for entry in page_data.get('data', []):
+                yield self.url_result(f'https://www.bilibili.com/audio/au{entry["id"]}', BilibiliAudioIE, entry['id'])
+
+        metadata, paged_list = self._extract_playlist(fetch_page, get_metadata, get_entries)
+        return self.playlist_result(paged_list, playlist_id)
+
+
+class BilibiliSpacePlaylistIE(BilibiliSpaceBaseIE):
+    _VALID_URL = r'https?://space.bilibili\.com/(?P<mid>\d+)/channel/collectiondetail\?sid=(?P<sid>\d+)'
+    _TESTS = [{
+        'url': 'https://space.bilibili.com/2142762/channel/collectiondetail?sid=57445',
+        'info_dict': {
+            'id': '2142762_57445',
+            'title': '《底特律 变人》'
+        },
+        'playlist_mincount': 31,
+    }]
+
+    def _real_extract(self, url):
+        mid, sid = self._match_valid_url(url).group('mid', 'sid')
+        playlist_id = f'{mid}_{sid}'
+
+        def fetch_page(page_idx):
+            return self._download_json(
+                'https://api.bilibili.com/x/polymer/space/seasons_archives_list',
+                playlist_id, note=f'Downloading page {page_idx}',
+                query={'mid': mid, 'season_id': sid, 'page_num': page_idx + 1, 'page_size': 30})['data']
+
+        def get_metadata(page_data):
+            page_size = page_data['page']['page_size']
+            entry_count = page_data['page']['total']
+            return {
+                'page_count': math.ceil(entry_count / page_size),
+                'page_size': page_size,
+                'title': traverse_obj(page_data, ('meta', 'name'))
+            }
+
+        def get_entries(page_data):
+            for entry in page_data.get('archives', []):
+                yield self.url_result(f'https://www.bilibili.com/video/{entry["bvid"]}',
+                                      BiliBiliIE, entry['bvid'])
+
+        metadata, paged_list = self._extract_playlist(fetch_page, get_metadata, get_entries)
+        return self.playlist_result(paged_list, playlist_id, metadata['title'])
+
+
+class BilibiliCategoryIE(InfoExtractor):
+    IE_NAME = 'Bilibili category extractor'
+    _MAX_RESULTS = 1000000
+    _VALID_URL = r'https?://www\.bilibili\.com/v/[a-zA-Z]+\/[a-zA-Z]+'
+    _TESTS = [{
+        'url': 'https://www.bilibili.com/v/kichiku/mad',
+        'info_dict': {
+            'id': 'kichiku: mad',
+            'title': 'kichiku: mad'
+        },
+        'playlist_mincount': 45,
+        'params': {
+            'playlistend': 45
+        }
+    }]
+
+    def _fetch_page(self, api_url, num_pages, query, page_num):
+        parsed_json = self._download_json(
+            api_url, query, query={'Search_key': query, 'pn': page_num},
+            note='Extracting results from page %s of %s' % (page_num, num_pages))
+
+        video_list = traverse_obj(parsed_json, ('data', 'archives'), expected_type=list)
+        if not video_list:
+            raise ExtractorError('Failed to retrieve video list for page %d' % page_num)
+
+        for video in video_list:
+            yield self.url_result(
+                'https://www.bilibili.com/video/%s' % video['bvid'], 'BiliBili', video['bvid'])
+
+    def _entries(self, category, subcategory, query):
+        # map of categories : subcategories : RIDs
+        rid_map = {
+            'kichiku': {
+                'mad': 26,
+                'manual_vocaloid': 126,
+                'guide': 22,
+                'theatre': 216,
+                'course': 127
+            },
+        }
+
+        if category not in rid_map:
+            raise ExtractorError(
+                f'The category {category} isn\'t supported. Supported categories: {list(rid_map.keys())}')
+        if subcategory not in rid_map[category]:
+            raise ExtractorError(
+                f'The subcategory {subcategory} isn\'t supported for this category. Supported subcategories: {list(rid_map[category].keys())}')
+        rid_value = rid_map[category][subcategory]
+
+        api_url = 'https://api.bilibili.com/x/web-interface/newlist?rid=%d&type=1&ps=20&jsonp=jsonp' % rid_value
+        page_json = self._download_json(api_url, query, query={'Search_key': query, 'pn': '1'})
+        page_data = traverse_obj(page_json, ('data', 'page'), expected_type=dict)
+        count, size = int_or_none(page_data.get('count')), int_or_none(page_data.get('size'))
+        if count is None or not size:
+            raise ExtractorError('Failed to calculate either page count or size')
+
+        num_pages = math.ceil(count / size)
+
+        return OnDemandPagedList(functools.partial(
+            self._fetch_page, api_url, num_pages, query), size)
+
+    def _real_extract(self, url):
+        category, subcategory = urllib.parse.urlparse(url).path.split('/')[2:4]
+        query = '%s: %s' % (category, subcategory)
+
+        return self.playlist_result(self._entries(category, subcategory, query), query, query)
+
+
+class BiliBiliSearchIE(SearchInfoExtractor):
+    IE_DESC = 'Bilibili video search'
+    _MAX_RESULTS = 100000
+    _SEARCH_KEY = 'bilisearch'
+
+    def _search_results(self, query):
+        for page_num in itertools.count(1):
+            videos = self._download_json(
+                'https://api.bilibili.com/x/web-interface/search/type', query,
+                note=f'Extracting results from page {page_num}', query={
+                    'Search_key': query,
+                    'keyword': query,
+                    'page': page_num,
+                    'context': '',
+                    'duration': 0,
+                    'tids_2': '',
+                    '__refresh__': 'true',
+                    'search_type': 'video',
+                    'tids': 0,
+                    'highlight': 1,
+                })['data'].get('result')
+            if not videos:
+                break
+            for video in videos:
+                yield self.url_result(video['arcurl'], 'BiliBili', str(video['aid']))
+
+
+class BilibiliAudioBaseIE(InfoExtractor):
+    def _call_api(self, path, sid, query=None):
+        if not query:
+            query = {'sid': sid}
+        return self._download_json(
+            'https://www.bilibili.com/audio/music-service-c/web/' + path,
+            sid, query=query)['data']
+
+
+class BilibiliAudioIE(BilibiliAudioBaseIE):
+    _VALID_URL = r'https?://(?:www\.)?bilibili\.com/audio/au(?P<id>\d+)'
+    _TEST = {
+        'url': 'https://www.bilibili.com/audio/au1003142',
+        'md5': 'fec4987014ec94ef9e666d4d158ad03b',
+        'info_dict': {
+            'id': '1003142',
+            'ext': 'm4a',
+            'title': '【tsukimi】YELLOW / 神山羊',
+            'artist': 'tsukimi',
+            'comment_count': int,
+            'description': 'YELLOW的mp3版！',
+            'duration': 183,
+            'subtitles': {
+                'origin': [{
+                    'ext': 'lrc',
+                }],
+            },
+            'thumbnail': r're:^https?://.+\.jpg',
+            'timestamp': 1564836614,
+            'upload_date': '20190803',
+            'uploader': 'tsukimi-つきみぐー',
+            'view_count': int,
+        },
+    }
+
+    def _real_extract(self, url):
+        au_id = self._match_id(url)
+
+        play_data = self._call_api('url', au_id)
+        formats = [{
+            'url': play_data['cdns'][0],
+            'filesize': int_or_none(play_data.get('size')),
+            'vcodec': 'none'
+        }]
+
+        for a_format in formats:
+            a_format.setdefault('http_headers', {}).update({
+                'Referer': url,
+            })
+
+        song = self._call_api('song/info', au_id)
+        title = song['title']
+        statistic = song.get('statistic') or {}
+
+        subtitles = None
+        lyric = song.get('lyric')
+        if lyric:
+            subtitles = {
+                'origin': [{
+                    'url': lyric,
+                }]
+            }
+
+        return {
+            'id': au_id,
+            'title': title,
+            'formats': formats,
+            'artist': song.get('author'),
+            'comment_count': int_or_none(statistic.get('comment')),
+            'description': song.get('intro'),
+            'duration': int_or_none(song.get('duration')),
+            'subtitles': subtitles,
+            'thumbnail': song.get('cover'),
+            'timestamp': int_or_none(song.get('passtime')),
+            'uploader': song.get('uname'),
+            'view_count': int_or_none(statistic.get('play')),
+        }
+
+
+class BilibiliAudioAlbumIE(BilibiliAudioBaseIE):
+    _VALID_URL = r'https?://(?:www\.)?bilibili\.com/audio/am(?P<id>\d+)'
+    _TEST = {
+        'url': 'https://www.bilibili.com/audio/am10624',
+        'info_dict': {
+            'id': '10624',
+            'title': '每日新曲推荐（每日11:00更新）',
+            'description': '每天11:00更新，为你推送最新音乐',
+        },
+        'playlist_count': 19,
+    }
+
+    def _real_extract(self, url):
+        am_id = self._match_id(url)
+
+        songs = self._call_api(
+            'song/of-menu', am_id, {'sid': am_id, 'pn': 1, 'ps': 100})['data']
+
+        entries = []
+        for song in songs:
+            sid = str_or_none(song.get('id'))
+            if not sid:
+                continue
+            entries.append(self.url_result(
+                'https://www.bilibili.com/audio/au' + sid,
+                BilibiliAudioIE.ie_key(), sid))
+
+        if entries:
+            album_data = self._call_api('menu/info', am_id) or {}
+            album_title = album_data.get('title')
+            if album_title:
+                for entry in entries:
+                    entry['album'] = album_title
+                return self.playlist_result(
+                    entries, am_id, album_title, album_data.get('intro'))
+
+        return self.playlist_result(entries, am_id)
+
+
+class BiliBiliPlayerIE(InfoExtractor):
+    _VALID_URL = r'https?://player\.bilibili\.com/player\.html\?.*?\baid=(?P<id>\d+)'
+    _TEST = {
+        'url': 'http://player.bilibili.com/player.html?aid=92494333&cid=157926707&page=1',
+        'only_matching': True,
+    }
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        return self.url_result(
+            'http://www.bilibili.tv/video/av%s/' % video_id,
+            ie=BiliBiliIE.ie_key(), video_id=video_id)
+
+
+class BiliIntlBaseIE(InfoExtractor):
+    _API_URL = 'https://api.bilibili.tv/intl/gateway'
+    _NETRC_MACHINE = 'biliintl'
+
+    def _call_api(self, endpoint, *args, **kwargs):
+        json = self._download_json(self._API_URL + endpoint, *args, **kwargs)
+        if json.get('code'):
+            if json['code'] in (10004004, 10004005, 10023006):
+                self.raise_login_required()
+            elif json['code'] == 10004001:
+                self.raise_geo_restricted()
+            else:
+                if json.get('message') and str(json['code']) != json['message']:
+                    errmsg = f'{kwargs.get("errnote", "Unable to download JSON metadata")}: {self.IE_NAME} said: {json["message"]}'
+                else:
+                    errmsg = kwargs.get('errnote', 'Unable to download JSON metadata')
+                if kwargs.get('fatal'):
+                    raise ExtractorError(errmsg)
+                else:
+                    self.report_warning(errmsg)
+        return json.get('data')
+
+    def json2srt(self, json):
+        data = '\n\n'.join(
+            f'{i + 1}\n{srt_subtitles_timecode(line["from"])} --> {srt_subtitles_timecode(line["to"])}\n{line["content"]}'
+            for i, line in enumerate(traverse_obj(json, (
+                'body', lambda _, l: l['content'] and l['from'] and l['to']))))
+        return data
+
+    def _get_subtitles(self, *, ep_id=None, aid=None):
+        sub_json = self._call_api(
+            '/web/v2/subtitle', ep_id or aid, fatal=False,
+            note='Downloading subtitles list', errnote='Unable to download subtitles list',
+            query=filter_dict({
+                'platform': 'web',
+                's_locale': 'en_US',
+                'episode_id': ep_id,
+                'aid': aid,
+            })) or {}
+        subtitles = {}
+        for sub in sub_json.get('subtitles') or []:
+            sub_url = sub.get('url')
+            if not sub_url:
+                continue
+            sub_data = self._download_json(
+                sub_url, ep_id or aid, errnote='Unable to download subtitles', fatal=False,
+                note='Downloading subtitles%s' % f' for {sub["lang"]}' if sub.get('lang') else '')
+            if not sub_data:
+                continue
+            subtitles.setdefault(sub.get('lang_key', 'en'), []).append({
+                'ext': 'srt',
+                'data': self.json2srt(sub_data)
+            })
+        return subtitles
+
+    def _get_formats(self, *, ep_id=None, aid=None):
+        video_json = self._call_api(
+            '/web/playurl', ep_id or aid, note='Downloading video formats',
+            errnote='Unable to download video formats', query=filter_dict({
+                'platform': 'web',
+                'ep_id': ep_id,
+                'aid': aid,
+            }))
+        video_json = video_json['playurl']
+        formats = []
+        for vid in video_json.get('video') or []:
+            video_res = vid.get('video_resource') or {}
+            video_info = vid.get('stream_info') or {}
+            if not video_res.get('url'):
+                continue
+            formats.append({
+                'url': video_res['url'],
+                'ext': 'mp4',
+                'format_note': video_info.get('desc_words'),
+                'width': video_res.get('width'),
+                'height': video_res.get('height'),
+                'vbr': video_res.get('bandwidth'),
+                'acodec': 'none',
+                'vcodec': video_res.get('codecs'),
+                'filesize': video_res.get('size'),
+            })
+        for aud in video_json.get('audio_resource') or []:
+            if not aud.get('url'):
+                continue
+            formats.append({
+                'url': aud['url'],
+                'ext': 'mp4',
+                'abr': aud.get('bandwidth'),
+                'acodec': aud.get('codecs'),
+                'vcodec': 'none',
+                'filesize': aud.get('size'),
+            })
+
+        return formats
+
+    def _parse_video_metadata(self, video_data):
+        return {
+            'title': video_data.get('title_display') or video_data.get('title'),
+            'thumbnail': video_data.get('cover'),
+            'episode_number': int_or_none(self._search_regex(
+                r'^E(\d+)(?:$| - )', video_data.get('title_display') or '', 'episode number', default=None)),
+        }
+
+    def _perform_login(self, username, password):
+        if not Cryptodome.RSA:
+            raise ExtractorError('pycryptodomex not found. Please install', expected=True)
+
+        key_data = self._download_json(
+            'https://passport.bilibili.tv/x/intl/passport-login/web/key?lang=en-US', None,
+            note='Downloading login key', errnote='Unable to download login key')['data']
+
+        public_key = Cryptodome.RSA.importKey(key_data['key'])
+        password_hash = Cryptodome.PKCS1_v1_5.new(public_key).encrypt((key_data['hash'] + password).encode('utf-8'))
+        login_post = self._download_json(
+            'https://passport.bilibili.tv/x/intl/passport-login/web/login/password?lang=en-US', None, data=urlencode_postdata({
+                'username': username,
+                'password': base64.b64encode(password_hash).decode('ascii'),
+                'keep_me': 'true',
+                's_locale': 'en_US',
+                'isTrusted': 'true'
+            }), note='Logging in', errnote='Unable to log in')
+        if login_post.get('code'):
+            if login_post.get('message'):
+                raise ExtractorError(f'Unable to log in: {self.IE_NAME} said: {login_post["message"]}', expected=True)
+            else:
+                raise ExtractorError('Unable to log in')
+
+
+class BiliIntlIE(BiliIntlBaseIE):
+    _VALID_URL = r'https?://(?:www\.)?bili(?:bili\.tv|intl\.com)/(?:[a-zA-Z]{2}/)?(play/(?P<season_id>\d+)/(?P<ep_id>\d+)|video/(?P<aid>\d+))'
+    _TESTS = [{
+        # Bstation page
+        'url': 'https://www.bilibili.tv/en/play/34613/341736',
+        'info_dict': {
+            'id': '341736',
+            'ext': 'mp4',
+            'title': 'E2 - The First Night',
+            'thumbnail': r're:^https://pic\.bstarstatic\.com/ogv/.+\.png$',
+            'episode_number': 2,
+            'upload_date': '20201009',
+            'episode': 'Episode 2',
+            'timestamp': 1602259500,
+            'description': 'md5:297b5a17155eb645e14a14b385ab547e',
+            'chapters': [{
+                'start_time': 0,
+                'end_time': 76.242,
+                'title': '<Untitled Chapter 1>'
+            }, {
+                'start_time': 76.242,
+                'end_time': 161.161,
+                'title': 'Intro'
+            }, {
+                'start_time': 1325.742,
+                'end_time': 1403.903,
+                'title': 'Outro'
+            }],
+        }
+    }, {
+        # Non-Bstation page
+        'url': 'https://www.bilibili.tv/en/play/1033760/11005006',
+        'info_dict': {
+            'id': '11005006',
+            'ext': 'mp4',
+            'title': 'E3 - Who?',
+            'thumbnail': r're:^https://pic\.bstarstatic\.com/ogv/.+\.png$',
+            'episode_number': 3,
+            'description': 'md5:e1a775e71a35c43f141484715470ad09',
+            'episode': 'Episode 3',
+            'upload_date': '20211219',
+            'timestamp': 1639928700,
+            'chapters': [{
+                'start_time': 0,
+                'end_time': 88.0,
+                'title': '<Untitled Chapter 1>'
+            }, {
+                'start_time': 88.0,
+                'end_time': 156.0,
+                'title': 'Intro'
+            }, {
+                'start_time': 1173.0,
+                'end_time': 1259.535,
+                'title': 'Outro'
+            }],
+        }
+    }, {
+        # Subtitle with empty content
+        'url': 'https://www.bilibili.tv/en/play/1005144/10131790',
+        'info_dict': {
+            'id': '10131790',
+            'ext': 'mp4',
+            'title': 'E140 - Two Heartbeats: Kabuto\'s Trap',
+            'thumbnail': r're:^https://pic\.bstarstatic\.com/ogv/.+\.png$',
+            'episode_number': 140,
+        },
+        'skip': 'According to the copyright owner\'s request, you may only watch the video after you log in.'
+    }, {
+        'url': 'https://www.bilibili.tv/en/video/2041863208',
+        'info_dict': {
+            'id': '2041863208',
+            'ext': 'mp4',
+            'timestamp': 1670874843,
+            'description': 'Scheduled for April 2023.\nStudio: ufotable',
+            'thumbnail': r're:https?://pic[-\.]bstarstatic.+/ugc/.+\.jpg$',
+            'upload_date': '20221212',
+            'title': 'Kimetsu no Yaiba Season 3 Official Trailer - Bstation',
+        }
+    }, {
+        # episode id without intro and outro
+        'url': 'https://www.bilibili.tv/en/play/1048837/11246489',
+        'info_dict': {
+            'id': '11246489',
+            'ext': 'mp4',
+            'title': 'E1 - Operation \'Strix\' <Owl>',
+            'description': 'md5:b4434eb1a9a97ad2bccb779514b89f17',
+            'timestamp': 1649516400,
+            'thumbnail': 'https://pic.bstarstatic.com/ogv/62cb1de23ada17fb70fbe7bdd6ff29c29da02a64.png',
+            'episode': 'Episode 1',
+            'episode_number': 1,
+            'upload_date': '20220409',
+        },
+    }, {
+        'url': 'https://www.biliintl.com/en/play/34613/341736',
+        'only_matching': True,
+    }, {
+        # User-generated content (as opposed to a series licensed from a studio)
+        'url': 'https://bilibili.tv/en/video/2019955076',
+        'only_matching': True,
+    }, {
+        # No language in URL
+        'url': 'https://www.bilibili.tv/video/2019955076',
+        'only_matching': True,
+    }, {
+        # Uppercase language in URL
+        'url': 'https://www.bilibili.tv/EN/video/2019955076',
+        'only_matching': True,
+    }]
+
+    def _make_url(video_id, series_id=None):
+        if series_id:
+            return f'https://www.bilibili.tv/en/play/{series_id}/{video_id}'
+        return f'https://www.bilibili.tv/en/video/{video_id}'
+
+    def _extract_video_metadata(self, url, video_id, season_id):
+        url, smuggled_data = unsmuggle_url(url, {})
+        if smuggled_data.get('title'):
+            return smuggled_data
+
+        webpage = self._download_webpage(url, video_id)
+        # Bstation layout
+        initial_data = (
+            self._search_json(r'window\.__INITIAL_(?:DATA|STATE)__\s*=', webpage, 'preload state', video_id, default={})
+            or self._search_nuxt_data(webpage, video_id, '__initialState', fatal=False, traverse=None))
+        video_data = traverse_obj(
+            initial_data, ('OgvVideo', 'epDetail'), ('UgcVideo', 'videoData'), ('ugc', 'archive'), expected_type=dict) or {}
+
+        if season_id and not video_data:
+            # Non-Bstation layout, read through episode list
+            season_json = self._call_api(f'/web/v2/ogv/play/episodes?season_id={season_id}&platform=web', video_id)
+            video_data = traverse_obj(season_json, (
+                'sections', ..., 'episodes', lambda _, v: str(v['episode_id']) == video_id
+            ), expected_type=dict, get_all=False)
+
+        # XXX: webpage metadata may not accurate, it just used to not crash when video_data not found
+        return merge_dicts(
+            self._parse_video_metadata(video_data), self._search_json_ld(webpage, video_id), {
+                'title': self._html_search_meta('og:title', webpage),
+                'description': self._html_search_meta('og:description', webpage)
+            })
+
+    def _real_extract(self, url):
+        season_id, ep_id, aid = self._match_valid_url(url).group('season_id', 'ep_id', 'aid')
+        video_id = ep_id or aid
+        chapters = None
+
+        if ep_id:
+            intro_ending_json = self._call_api(
+                f'/web/v2/ogv/play/episode?episode_id={ep_id}&platform=web',
+                video_id, fatal=False) or {}
+            if intro_ending_json.get('skip'):
+                # FIXME: start time and end time seems a bit off a few second even it corrext based on ogv.*.js
+                # ref: https://p.bstarstatic.com/fe-static/bstar-web-new/assets/ogv.2b147442.js
+                chapters = [{
+                    'start_time': float_or_none(traverse_obj(intro_ending_json, ('skip', 'opening_start_time')), 1000),
+                    'end_time': float_or_none(traverse_obj(intro_ending_json, ('skip', 'opening_end_time')), 1000),
+                    'title': 'Intro'
+                }, {
+                    'start_time': float_or_none(traverse_obj(intro_ending_json, ('skip', 'ending_start_time')), 1000),
+                    'end_time': float_or_none(traverse_obj(intro_ending_json, ('skip', 'ending_end_time')), 1000),
+                    'title': 'Outro'
+                }]
+
+        return {
+            'id': video_id,
+            **self._extract_video_metadata(url, video_id, season_id),
+            'formats': self._get_formats(ep_id=ep_id, aid=aid),
+            'subtitles': self.extract_subtitles(ep_id=ep_id, aid=aid),
+            'chapters': chapters
+        }
+
+
+class BiliIntlSeriesIE(BiliIntlBaseIE):
+    IE_NAME = 'biliIntl:series'
+    _VALID_URL = r'https?://(?:www\.)?bili(?:bili\.tv|intl\.com)/(?:[a-zA-Z]{2}/)?(?:play|media)/(?P<id>\d+)/?(?:[?#]|$)'
+    _TESTS = [{
+        'url': 'https://www.bilibili.tv/en/play/34613',
+        'playlist_mincount': 15,
+        'info_dict': {
+            'id': '34613',
+            'title': 'TONIKAWA: Over the Moon For You',
+            'description': 'md5:297b5a17155eb645e14a14b385ab547e',
+            'categories': ['Slice of life', 'Comedy', 'Romance'],
+            'thumbnail': r're:^https://pic\.bstarstatic\.com/ogv/.+\.png$',
+            'view_count': int,
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }, {
+        'url': 'https://www.bilibili.tv/en/media/1048837',
+        'info_dict': {
+            'id': '1048837',
+            'title': 'SPY×FAMILY',
+            'description': 'md5:b4434eb1a9a97ad2bccb779514b89f17',
+            'categories': ['Adventure', 'Action', 'Comedy'],
+            'thumbnail': r're:^https://pic\.bstarstatic\.com/ogv/.+\.jpg$',
+            'view_count': int,
+        },
+        'playlist_mincount': 25,
+    }, {
+        'url': 'https://www.biliintl.com/en/play/34613',
+        'only_matching': True,
+    }, {
+        'url': 'https://www.biliintl.com/EN/play/34613',
+        'only_matching': True,
+    }]
+
+    def _entries(self, series_id):
+        series_json = self._call_api(f'/web/v2/ogv/play/episodes?season_id={series_id}&platform=web', series_id)
+        for episode in traverse_obj(series_json, ('sections', ..., 'episodes', ...), expected_type=dict):
+            episode_id = str(episode['episode_id'])
+            yield self.url_result(smuggle_url(
+                BiliIntlIE._make_url(episode_id, series_id),
+                self._parse_video_metadata(episode)
+            ), BiliIntlIE, episode_id)
+
+    def _real_extract(self, url):
+        series_id = self._match_id(url)
+        series_info = self._call_api(f'/web/v2/ogv/play/season_info?season_id={series_id}&platform=web', series_id).get('season') or {}
+        return self.playlist_result(
+            self._entries(series_id), series_id, series_info.get('title'), series_info.get('description'),
+            categories=traverse_obj(series_info, ('styles', ..., 'title'), expected_type=str_or_none),
+            thumbnail=url_or_none(series_info.get('horizontal_cover')), view_count=parse_count(series_info.get('view')))
+
+
+class BiliLiveIE(InfoExtractor):
+    _VALID_URL = r'https?://live.bilibili.com/(?:blanc/)?(?P<id>\d+)'
+
+    _TESTS = [{
+        'url': 'https://live.bilibili.com/196',
+        'info_dict': {
+            'id': '33989',
+            'description': "周六杂谈回，其他时候随机游戏。 | \n录播：@下播型泛式录播组。 | \n直播通知群（全员禁言）：666906670，902092584，59971⑧481 （功能一样，别多加）",
+            'ext': 'flv',
+            'title': "太空狼人杀联动，不被爆杀就算赢",
+            'thumbnail': "https://i0.hdslb.com/bfs/live/new_room_cover/e607bc1529057ef4b332e1026e62cf46984c314d.jpg",
+            'timestamp': 1650802769,
+        },
+        'skip': 'not live'
+    }, {
+        'url': 'https://live.bilibili.com/196?broadcast_type=0&is_room_feed=1?spm_id_from=333.999.space_home.strengthen_live_card.click',
+        'only_matching': True
+    }, {
+        'url': 'https://live.bilibili.com/blanc/196',
+        'only_matching': True
+    }]
+
+    _FORMATS = {
+        80: {'format_id': 'low', 'format_note': '流畅'},
+        150: {'format_id': 'high_res', 'format_note': '高清'},
+        250: {'format_id': 'ultra_high_res', 'format_note': '超清'},
+        400: {'format_id': 'blue_ray', 'format_note': '蓝光'},
+        10000: {'format_id': 'source', 'format_note': '原画'},
+        20000: {'format_id': '4K', 'format_note': '4K'},
+        30000: {'format_id': 'dolby', 'format_note': '杜比'},
+    }
+
+    _quality = staticmethod(qualities(list(_FORMATS)))
+
+    def _call_api(self, path, room_id, query):
+        api_result = self._download_json(f'https://api.live.bilibili.com/{path}', room_id, query=query)
+        if api_result.get('code') != 0:
+            raise ExtractorError(api_result.get('message') or 'Unable to download JSON metadata')
+        return api_result.get('data') or {}
+
+    def _parse_formats(self, qn, fmt):
+        for codec in fmt.get('codec') or []:
+            if codec.get('current_qn') != qn:
+                continue
+            for url_info in codec['url_info']:
+                yield {
+                    'url': f'{url_info["host"]}{codec["base_url"]}{url_info["extra"]}',
+                    'ext': fmt.get('format_name'),
+                    'vcodec': codec.get('codec_name'),
+                    'quality': self._quality(qn),
+                    **self._FORMATS[qn],
+                }
+
+    def _real_extract(self, url):
+        room_id = self._match_id(url)
+        room_data = self._call_api('room/v1/Room/get_info', room_id, {'id': room_id})
+        if room_data.get('live_status') == 0:
+            raise ExtractorError('Streamer is not live', expected=True)
+
+        formats = []
+        for qn in self._FORMATS.keys():
+            stream_data = self._call_api('xlive/web-room/v2/index/getRoomPlayInfo', room_id, {
+                'room_id': room_id,
+                'qn': qn,
+                'codec': '0,1',
+                'format': '0,2',
+                'mask': '0',
+                'no_playurl': '0',
+                'platform': 'web',
+                'protocol': '0,1',
+            })
+            for fmt in traverse_obj(stream_data, ('playurl_info', 'playurl', 'stream', ..., 'format', ...)) or []:
+                formats.extend(self._parse_formats(qn, fmt))
+
+        return {
+            'id': room_id,
+            'title': room_data.get('title'),
+            'description': room_data.get('description'),
+            'thumbnail': room_data.get('user_cover'),
+            'timestamp': stream_data.get('live_time'),
+            'formats': formats,
+            'is_live': True,
+            'http_headers': {
+                'Referer': url,
+            },
+        }
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