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import functools
from .common import InfoExtractor
from ..networking import HEADRequest
from ..utils import (
float_or_none,
int_or_none,
join_nonempty,
parse_qs,
update_url_query,
)
from ..utils.traversal import traverse_obj
class RedCDNLivxIE(InfoExtractor):
_VALID_URL = r'https?://[^.]+\.(?:dcs\.redcdn|atmcdn)\.pl/(?:live(?:dash|hls|ss)|nvr)/o2/(?P<tenant>[^/?#]+)/(?P<id>[^?#]+)\.livx'
IE_NAME = 'redcdnlivx'
_TESTS = [{
'url': 'https://r.dcs.redcdn.pl/livedash/o2/senat/ENC02/channel.livx?indexMode=true&startTime=638272860000&stopTime=638292544000',
'info_dict': {
'id': 'ENC02-638272860000-638292544000',
'ext': 'mp4',
'title': 'ENC02',
'duration': 19683.982,
'live_status': 'was_live',
},
}, {
'url': 'https://r.dcs.redcdn.pl/livedash/o2/sejm/ENC18/live.livx?indexMode=true&startTime=722333096000&stopTime=722335562000',
'info_dict': {
'id': 'ENC18-722333096000-722335562000',
'ext': 'mp4',
'title': 'ENC18',
'duration': 2463.995,
'live_status': 'was_live',
},
}, {
'url': 'https://r.dcs.redcdn.pl/livehls/o2/sportevolution/live/triathlon2018/warsaw.livx/playlist.m3u8?startTime=550305000000&stopTime=550327620000',
'info_dict': {
'id': 'triathlon2018-warsaw-550305000000-550327620000',
'ext': 'mp4',
'title': 'triathlon2018/warsaw',
'duration': 22619.98,
'live_status': 'was_live',
},
}, {
'url': 'https://n-25-12.dcs.redcdn.pl/nvr/o2/sejm/Migacz-ENC01/1.livx?startTime=722347200000&stopTime=722367345000',
'only_matching': True,
}, {
'url': 'https://redir.atmcdn.pl/nvr/o2/sejm/ENC08/1.livx?startTime=503831270000&stopTime=503840040000',
'only_matching': True,
}]
'''
Known methods (first in url path):
- `livedash` - DASH MPD
- `livehls` - HTTP Live Streaming
- `livess` - IIS Smooth Streaming
- `nvr` - CCTV mode, directly returns a file, typically flv, avc1, aac
- `sc` - shoutcast/icecast (audio streams, like radio)
'''
def _real_extract(self, url):
tenant, path = self._match_valid_url(url).group('tenant', 'id')
qs = parse_qs(url)
start_time = traverse_obj(qs, ('startTime', 0, {int_or_none}))
stop_time = traverse_obj(qs, ('stopTime', 0, {int_or_none}))
def livx_mode(mode):
suffix = ''
if mode == 'livess':
suffix = '/manifest'
elif mode == 'livehls':
suffix = '/playlist.m3u8'
file_qs = {}
if start_time:
file_qs['startTime'] = start_time
if stop_time:
file_qs['stopTime'] = stop_time
if mode == 'nvr':
file_qs['nolimit'] = 1
elif mode != 'sc':
file_qs['indexMode'] = 'true'
return update_url_query(f'https://r.dcs.redcdn.pl/{mode}/o2/{tenant}/{path}.livx{suffix}', file_qs)
# no id or title for a transmission. making ones up.
title = path \
.replace('/live', '').replace('live/', '') \
.replace('/channel', '').replace('channel/', '') \
.strip('/')
video_id = join_nonempty(title.replace('/', '-'), start_time, stop_time)
formats = []
# downloading the manifest separately here instead of _extract_ism_formats to also get some stream metadata
ism_res = self._download_xml_handle(
livx_mode('livess'), video_id,
note='Downloading ISM manifest',
errnote='Failed to download ISM manifest',
fatal=False)
ism_doc = None
if ism_res is not False:
ism_doc, ism_urlh = ism_res
formats, _ = self._parse_ism_formats_and_subtitles(ism_doc, ism_urlh.url, 'ss')
nvr_urlh = self._request_webpage(
HEADRequest(livx_mode('nvr')), video_id, 'Follow flv file redirect', fatal=False,
expected_status=lambda _: True)
if nvr_urlh and nvr_urlh.status == 200:
formats.append({
'url': nvr_urlh.url,
'ext': 'flv',
'format_id': 'direct-0',
'preference': -1, # might be slow
})
formats.extend(self._extract_mpd_formats(livx_mode('livedash'), video_id, mpd_id='dash', fatal=False))
formats.extend(self._extract_m3u8_formats(
livx_mode('livehls'), video_id, m3u8_id='hls', ext='mp4', fatal=False))
time_scale = traverse_obj(ism_doc, ('@TimeScale', {int_or_none})) or 10000000
duration = traverse_obj(
ism_doc, ('@Duration', {functools.partial(float_or_none, scale=time_scale)})) or None
live_status = None
if traverse_obj(ism_doc, '@IsLive') == 'TRUE':
live_status = 'is_live'
elif duration:
live_status = 'was_live'
return {
'id': video_id,
'title': title,
'formats': formats,
'duration': duration,
'live_status': live_status,
}
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