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[ie/niconico:live] Fix extractor (#13045)

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Authored by: doe1080
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doe1080 2025-05-11 07:46:28 +09:00 committed by GitHub
parent d880e06080
commit 7a7b85c901
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1 changed files with 25 additions and 19 deletions
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44
yt_dlp/extractor/niconico.py
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@ -16,6 +16,7 @@
determine_ext, determine_ext,
float_or_none, float_or_none,
int_or_none, int_or_none,
parse_bitrate,
parse_duration, parse_duration,
parse_iso8601, parse_iso8601,
parse_qs, parse_qs,
@ -23,7 +24,6 @@
qualities, qualities,
remove_start, remove_start,
str_or_none, str_or_none,
try_get,
unescapeHTML, unescapeHTML,
unified_timestamp, unified_timestamp,
update_url_query, update_url_query,
@ -785,8 +785,6 @@ class NiconicoLiveIE(NiconicoBaseIE):
'only_matching': True, 'only_matching': True,
}] }]
_KNOWN_LATENCY = ('high', 'low')
def _real_extract(self, url): def _real_extract(self, url):
video_id = self._match_id(url) video_id = self._match_id(url)
webpage, urlh = self._download_webpage_handle(f'https://live.nicovideo.jp/watch/{video_id}', video_id) webpage, urlh = self._download_webpage_handle(f'https://live.nicovideo.jp/watch/{video_id}', video_id)
@ -802,22 +800,19 @@ def _real_extract(self, url):
}) })
hostname = remove_start(urllib.parse.urlparse(urlh.url).hostname, 'sp.') hostname = remove_start(urllib.parse.urlparse(urlh.url).hostname, 'sp.')
latency = try_get(self._configuration_arg('latency'), lambda x: x[0])
if latency not in self._KNOWN_LATENCY:
latency = 'high'
ws = self._request_webpage( ws = self._request_webpage(
Request(ws_url, headers={'Origin': f'https://{hostname}'}), Request(ws_url, headers={'Origin': f'https://{hostname}'}),
video_id=video_id, note='Connecting to WebSocket server') video_id=video_id, note='Connecting to WebSocket server')
self.write_debug('[debug] Sending HLS server request') self.write_debug('Sending HLS server request')
ws.send(json.dumps({ ws.send(json.dumps({
'type': 'startWatching', 'type': 'startWatching',
'data': { 'data': {
'stream': { 'stream': {
'quality': 'abr', 'quality': 'abr',
'protocol': 'hls+fmp4', 'protocol': 'hls',
'latency': latency, 'latency': 'high',
'accessRightMethod': 'single_cookie', 'accessRightMethod': 'single_cookie',
'chasePlay': False, 'chasePlay': False,
}, },
@ -881,18 +876,29 @@ def _real_extract(self, url):
for cookie in cookies: for cookie in cookies:
self._set_cookie( self._set_cookie(
cookie['domain'], cookie['name'], cookie['value'], cookie['domain'], cookie['name'], cookie['value'],
expire_time=unified_timestamp(cookie['expires']), path=cookie['path'], secure=cookie['secure']) expire_time=unified_timestamp(cookie.get('expires')), path=cookie['path'], secure=cookie['secure'])
fmt_common = {
'live_latency': 'high',
'origin': hostname,
'protocol': 'niconico_live',
'video_id': video_id,
'ws': ws,
}
q_iter = (q for q in qualities[1:] if not q.startswith('audio_')) # ignore initial 'abr'
a_map = {96: 'audio_low', 192: 'audio_high'}
formats = self._extract_m3u8_formats(m3u8_url, video_id, ext='mp4', live=True) formats = self._extract_m3u8_formats(m3u8_url, video_id, ext='mp4', live=True)
for fmt, q in zip(formats, reversed(qualities[1:])): for fmt in formats:
fmt.update({ if fmt.get('acodec') == 'none':
'format_id': q, fmt['format_id'] = next(q_iter, fmt['format_id'])
'protocol': 'niconico_live', elif fmt.get('vcodec') == 'none':
'ws': ws, abr = parse_bitrate(fmt['url'].lower())
'video_id': video_id, fmt.update({
'live_latency': latency, 'abr': abr,
'origin': hostname, 'format_id': a_map.get(abr, fmt['format_id']),
}) })
fmt.update(fmt_common)
return { return {
'id': video_id, 'id': video_id,