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[livestream] improve extraction

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- split long lines
- use m3u8 entry protocol for live streams
- extend _VALID_URL regex for livestream original
- extract livestream original live streams
This commit is contained in:
remitamine 2015-12-27 12:57:39 +01:00
parent 64ccbf18c0
commit 5b025168c7
1 changed files with 76 additions and 38 deletions
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114
youtube_dl/extractor/livestream.py
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@ -62,7 +62,8 @@ class LivestreamIE(InfoExtractor):
_API_URL_TEMPLATE = 'http://livestream.com/api/accounts/%s/events/%s'
def _parse_smil_formats(self, smil, smil_url, video_id, namespace=None, f4m_params=None, transform_rtmp_url=None):
base_ele = find_xpath_attr(smil, self._xpath_ns('.//meta', namespace), 'name', 'httpBase')
base_ele = find_xpath_attr(
smil, self._xpath_ns('.//meta', namespace), 'name', 'httpBase')
base = base_ele.get('content') if base_ele else 'http://livestreamvod-f.akamaihd.net/'
formats = []
@ -96,7 +97,8 @@ def _extract_video_info(self, video_data):
video_url = video_data.get(key)
if video_url:
ext = determine_ext(video_url)
bitrate = int_or_none(self._search_regex(r'(\d+)\.%s' % ext, video_url, 'bitrate', default=None))
bitrate = int_or_none(self._search_regex(
r'(\d+)\.%s' % ext, video_url, 'bitrate', default=None))
formats.append({
'url': video_url,
'format_id': format_id,
@ -119,7 +121,8 @@ def _extract_video_info(self, video_data):
f4m_url = video_data.get('f4m_url')
if f4m_url:
f4m_formats = self._extract_f4m_formats(f4m_url, video_id, f4m_id='hds', fatal=False)
f4m_formats = self._extract_f4m_formats(
f4m_url, video_id, f4m_id='hds', fatal=False)
if f4m_formats:
formats.extend(f4m_formats)
self._sort_formats(formats)
@ -157,10 +160,11 @@ def _extract_stream_info(self, stream_info):
if smil_formats:
formats.extend(smil_formats)
entry_protocol = 'm3u8' if is_live else 'm3u8_native'
m3u8_url = stream_info.get('m3u8_url')
if m3u8_url:
m3u8_formats = self._extract_m3u8_formats(
m3u8_url, broadcast_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False)
m3u8_url, broadcast_id, 'mp4', entry_protocol, m3u8_id='hls', fatal=False)
if m3u8_formats:
formats.extend(m3u8_formats)
@ -197,7 +201,8 @@ def _extract_event(self, event_data):
else:
info_url = '{root}?&id={id}&newer=-1&type=video'.format(
root=feed_root_url, id=last_video)
videos_info = self._download_json(info_url, event_id, 'Downloading page {0}'.format(i))['data']
videos_info = self._download_json(
info_url, event_id, 'Downloading page {0}'.format(i))['data']
videos_info = [v['data'] for v in videos_info if v['type'] == 'video']
if not videos_info:
break
@ -215,7 +220,8 @@ def _real_extract(self, url):
account = mobj.group('account_id') or mobj.group('account_name')
api_url = self._API_URL_TEMPLATE % (account, event)
if video_id:
video_data = self._download_json(api_url + '/videos/%s' % video_id, video_id)
video_data = self._download_json(
api_url + '/videos/%s' % video_id, video_id)
return self._extract_video_info(video_data)
else:
event_data = self._download_json(api_url, video_id)
@ -226,8 +232,8 @@ def _real_extract(self, url):
class LivestreamOriginalIE(InfoExtractor):
IE_NAME = 'livestream:original'
_VALID_URL = r'''(?x)https?://original\.livestream\.com/
(?P<user>[^/]+)/(?P<type>video|folder)
(?:\?.*?Id=|/)(?P<id>.*?)(&|$)
(?P<user>[^/\?#]+)(?:/(?P<type>video|folder)
(?:(?:\?.*?Id=|/)(?P<id>.*?)(&|$))?)?
'''
_TESTS = [{
'url': 'http://original.livestream.com/dealbook/video?clipId=pla_8aa4a3f1-ba15-46a4-893b-902210e138fb',
@ -244,52 +250,61 @@ class LivestreamOriginalIE(InfoExtractor):
'id': 'a07bf706-d0e4-4e75-a747-b021d84f2fd3',
},
'playlist_mincount': 4,
}, {
# live stream
'url': 'http://www.livestream.com/znsbahamas',
'only_matching': True,
}]
def _extract_video(self, user, video_id):
api_url = 'http://x{0}x.api.channel.livestream.com/2.0/clipdetails?extendedInfo=true&id={1}'.format(user, video_id)
def _extract_video_info(self, user, video_id):
api_url = 'http://x%sx.api.channel.livestream.com/2.0/clipdetails?extendedInfo=true&id=%s' % (user, video_id)
info = self._download_xml(api_url, video_id)
# this url is used on mobile devices
stream_url = 'http://x{0}x.api.channel.livestream.com/3.0/getstream.json?id={1}'.format(user, video_id)
stream_info = self._download_json(stream_url, video_id)
is_live = stream_info.get('isLive')
item = info.find('channel').find('item')
title = xpath_text(item, 'title')
media_ns = {'media': 'http://search.yahoo.com/mrss'}
thumbnail_url = xpath_attr(item, xpath_with_ns('media:thumbnail', media_ns), 'url')
duration = float_or_none(xpath_attr(item, xpath_with_ns('media:content', media_ns), 'duration'))
thumbnail_url = xpath_attr(
item, xpath_with_ns('media:thumbnail', media_ns), 'url')
duration = float_or_none(xpath_attr(
item, xpath_with_ns('media:content', media_ns), 'duration'))
ls_ns = {'ls': 'http://api.channel.livestream.com/2.0'}
view_count = int_or_none(xpath_text(item, xpath_with_ns('ls:viewsCount', ls_ns)))
view_count = int_or_none(xpath_text(
item, xpath_with_ns('ls:viewsCount', ls_ns)))
formats = [{
'url': stream_info['progressiveUrl'],
'format_id': 'http',
}]
return {
'id': video_id,
'title': title,
'thumbnail': thumbnail_url,
'duration': duration,
'view_count': view_count,
}
m3u8_url = stream_info.get('httpUrl')
def _extract_video_formats(self, video_data, video_id, entry_protocol):
formats = []
progressive_url = video_data.get('progressiveUrl')
if progressive_url:
formats.append({
'url': progressive_url,
'format_id': 'http',
})
m3u8_url = video_data.get('httpUrl')
if m3u8_url:
m3u8_formats = self._extract_m3u8_formats(
m3u8_url, video_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False)
m3u8_url, video_id, 'mp4', entry_protocol, m3u8_id='hls', fatal=False)
if m3u8_formats:
formats.extend(m3u8_formats)
rtsp_url = stream_info.get('rtspUrl')
rtsp_url = video_data.get('rtspUrl')
if rtsp_url:
formats.append({
'url': rtsp_url,
'format_id': 'rtsp',
})
self._sort_formats(formats)
return {
'id': video_id,
'title': self._live_title(xpath_text(item, 'title')) if is_live else xpath_text(item, 'title'),
'formats': formats,
'thumbnail': thumbnail_url,
'duration': duration,
'view_count': view_count,
'is_live': is_live,
}
self._sort_formats(formats)
return formats
def _extract_folder(self, url, folder_id):
webpage = self._download_webpage(url, folder_id)
@ -308,13 +323,36 @@ def _extract_folder(self, url, folder_id):
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
id = mobj.group('id')
user = mobj.group('user')
url_type = mobj.group('type')
content_id = mobj.group('id')
if url_type == 'folder':
return self._extract_folder(url, id)
return self._extract_folder(url, content_id)
else:
return self._extract_video(user, id)
# this url is used on mobile devices
stream_url = 'http://x%sx.api.channel.livestream.com/3.0/getstream.json' % user
info = {}
if content_id:
stream_url += '?id=%s' % content_id
info = self._extract_video_info(user, content_id)
else:
content_id = user
webpage = self._download_webpage(url, content_id)
info = {
'title': self._og_search_title(webpage),
'description': self._og_search_description(webpage),
'thumbnail': self._search_regex(r'channelLogo.src\s*=\s*"([^"]+)"', webpage, 'thumbnail', None),
}
video_data = self._download_json(stream_url, content_id)
is_live = video_data.get('isLive')
entry_protocol = 'm3u8' if is_live else 'm3u8_native'
info.update({
'id': content_id,
'title': self._live_title(info['title']) if is_live else info['title'],
'formats': self._extract_video_formats(video_data, content_id, entry_protocol),
'is_live': is_live,
})
return info
# The server doesn't support HEAD request, the generic extractor can't detect