From 315b3544296bb83012e20ee3af9d3cbf5600dd1c Mon Sep 17 00:00:00 2001 From: bashonly <88596187+bashonly@users.noreply.github.com> Date: Sat, 13 Apr 2024 11:40:53 -0500 Subject: [PATCH] [ie/afreecatv:live] Add `cdn` extractor-arg (#9666) Closes #6497 Authored by: bashonly --- README.md | 3 ++ yt_dlp/extractor/afreecatv.py | 66 ++++++++++++++++++++++++++++------- 2 files changed, 57 insertions(+), 12 deletions(-) diff --git a/README.md b/README.md index 458541d68..08afff201 100644 --- a/README.md +++ b/README.md @@ -1837,6 +1837,9 @@ The following extractors use this feature: #### jiosaavn * `bitrate`: Audio bitrates to request. One or more of `16`, `32`, `64`, `128`, `320`. Default is `128,320` +#### afreecatvlive +* `cdn`: One or more CDN IDs to use with the API call for stream URLs, e.g. `gcp_cdn`, `gs_cdn_pc_app`, `gs_cdn_mobile_web`, `gs_cdn_pc_web` + **Note**: These options may be changed/removed in the future without concern for backward compatibility diff --git a/yt_dlp/extractor/afreecatv.py b/yt_dlp/extractor/afreecatv.py index 2c33c90db..3e5738f6a 100644 --- a/yt_dlp/extractor/afreecatv.py +++ b/yt_dlp/extractor/afreecatv.py @@ -8,9 +8,11 @@ from ..utils import ( determine_ext, filter_dict, int_or_none, + orderedSet, unified_timestamp, url_or_none, urlencode_postdata, + urljoin, ) from ..utils.traversal import traverse_obj @@ -276,6 +278,47 @@ class AfreecaTVLiveIE(AfreecaTVBaseIE): }] _LIVE_API_URL = 'https://live.afreecatv.com/afreeca/player_live_api.php' + _WORKING_CDNS = [ + 'gcp_cdn', # live-global-cdn-v02.afreecatv.com + 'gs_cdn_pc_app', # pc-app.stream.afreecatv.com + 'gs_cdn_mobile_web', # mobile-web.stream.afreecatv.com + 'gs_cdn_pc_web', # pc-web.stream.afreecatv.com + ] + _BAD_CDNS = [ + 'gs_cdn', # chromecast.afreeca.gscdn.com (cannot resolve) + 'gs_cdn_chromecast', # chromecast.stream.afreecatv.com (HTTP Error 400) + 'azure_cdn', # live-global-cdn-v01.afreecatv.com (cannot resolve) + 'aws_cf', # live-global-cdn-v03.afreecatv.com (cannot resolve) + 'kt_cdn', # kt.stream.afreecatv.com (HTTP Error 400) + ] + + def _extract_formats(self, channel_info, broadcast_no, aid): + stream_base_url = channel_info.get('RMD') or 'https://livestream-manager.afreecatv.com' + + # If user has not passed CDN IDs, try API-provided CDN ID followed by other working CDN IDs + default_cdn_ids = orderedSet([ + *traverse_obj(channel_info, ('CDN', {str}, all, lambda _, v: v not in self._BAD_CDNS)), + *self._WORKING_CDNS, + ]) + cdn_ids = self._configuration_arg('cdn', default_cdn_ids) + + for attempt, cdn_id in enumerate(cdn_ids, start=1): + m3u8_url = traverse_obj(self._download_json( + urljoin(stream_base_url, 'broad_stream_assign.html'), broadcast_no, + f'Downloading {cdn_id} stream info', f'Unable to download {cdn_id} stream info', + fatal=False, query={ + 'return_type': cdn_id, + 'broad_key': f'{broadcast_no}-common-master-hls', + }), ('view_url', {url_or_none})) + try: + return self._extract_m3u8_formats( + m3u8_url, broadcast_no, 'mp4', m3u8_id='hls', query={'aid': aid}, + headers={'Referer': 'https://play.afreecatv.com/'}) + except ExtractorError as e: + if attempt == len(cdn_ids): + raise + self.report_warning( + f'{e.cause or e.msg}. Retrying... (attempt {attempt} of {len(cdn_ids)})') def _real_extract(self, url): broadcaster_id, broadcast_no = self._match_valid_url(url).group('id', 'bno') @@ -294,7 +337,7 @@ class AfreecaTVLiveIE(AfreecaTVBaseIE): 'This livestream is protected by a password, use the --video-password option', expected=True) - aid = self._download_json( + token_info = traverse_obj(self._download_json( self._LIVE_API_URL, broadcast_no, 'Downloading access token for stream', 'Unable to download access token for stream', data=urlencode_postdata(filter_dict({ 'bno': broadcast_no, @@ -302,18 +345,17 @@ class AfreecaTVLiveIE(AfreecaTVBaseIE): 'type': 'aid', 'quality': 'master', 'pwd': password, - })))['CHANNEL']['AID'] + }))), ('CHANNEL', {dict})) or {} + aid = token_info.get('AID') + if not aid: + result = token_info.get('RESULT') + if result == 0: + raise ExtractorError('This livestream has ended', expected=True) + elif result == -6: + self.raise_login_required('This livestream is for subscribers only', method='password') + raise ExtractorError('Unable to extract access token') - stream_base_url = channel_info.get('RMD') or 'https://livestream-manager.afreecatv.com' - stream_info = self._download_json(f'{stream_base_url}/broad_stream_assign.html', broadcast_no, query={ - # works: gs_cdn_pc_app, gs_cdn_mobile_web, gs_cdn_pc_web - 'return_type': 'gs_cdn_pc_app', - 'broad_key': f'{broadcast_no}-common-master-hls', - }, note='Downloading metadata for stream', errnote='Unable to download metadata for stream') - - formats = self._extract_m3u8_formats( - stream_info['view_url'], broadcast_no, 'mp4', m3u8_id='hls', - query={'aid': aid}, headers={'Referer': url}) + formats = self._extract_formats(channel_info, broadcast_no, aid) station_info = traverse_obj(self._download_json( 'https://st.afreecatv.com/api/get_station_status.php', broadcast_no,