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youtube-dl
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[livestream] improve extraction, add support for live streams and extract more info and formats

master
remitamine 9 years ago
parent
35e22b6b32
commit
64ccbf18c0
1 changed files with 168 additions and 110 deletions
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  1. 278
      youtube_dl/extractor/livestream.py

278
youtube_dl/extractor/livestream.py
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@ -1,27 +1,29 @@
from __future__ import unicode_literals
import re
import json
import itertools
from .common import InfoExtractor
from ..compat import (
compat_str,
compat_urllib_parse_urlparse,
compat_urlparse,
)
from ..utils import (
ExtractorError,
find_xpath_attr,
int_or_none,
orderedSet,
xpath_attr,
xpath_with_ns,
xpath_text,
orderedSet,
int_or_none,
float_or_none,
parse_iso8601,
determine_ext,
)
class LivestreamIE(InfoExtractor):
IE_NAME = 'livestream'
_VALID_URL = r'https?://(?:new\.)?livestream\.com/.*?/(?P<event_name>.*?)(/videos/(?P<id>[0-9]+)(?:/player)?)?/?(?:$|[?#])'
_VALID_URL = r'https?://(?:new\.)?livestream\.com/(?:accounts/(?P<account_id>\d+)|(?P<account_name>[^/]+))/(?:events/(?P<event_id>\d+)|(?P<event_name>[^/]+))(?:/videos/(?P<id>\d+))?'
_TESTS = [{
'url': 'http://new.livestream.com/CoheedandCambria/WebsterHall/videos/4719370',
'md5': '53274c76ba7754fb0e8d072716f2292b',
@ -29,7 +31,9 @@ class LivestreamIE(InfoExtractor):
'id': '4719370',
'ext': 'mp4',
'title': 'Live from Webster Hall NYC',
'timestamp': 1350008072,
'upload_date': '20121012',
'duration': 5968.0,
'like_count': int,
'view_count': int,
'thumbnail': 're:^http://.*\.jpg$'
@ -55,39 +59,19 @@ class LivestreamIE(InfoExtractor):
'url': 'http://livestream.com/bsww/concacafbeachsoccercampeonato2015',
'only_matching': True,
}]
_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 = base_ele.get('content') if base_ele else 'http://livestreamvod-f.akamaihd.net/'
def _parse_smil(self, video_id, smil_url):
formats = []
_SWITCH_XPATH = (
'.//{http://www.w3.org/2001/SMIL20/Language}body/'
'{http://www.w3.org/2001/SMIL20/Language}switch')
smil_doc = self._download_xml(
smil_url, video_id,
note='Downloading SMIL information',
errnote='Unable to download SMIL information',
fatal=False)
if smil_doc is False: # Download failed
return formats
title_node = find_xpath_attr(
smil_doc, './/{http://www.w3.org/2001/SMIL20/Language}meta',
'name', 'title')
if title_node is None:
self.report_warning('Cannot find SMIL id')
switch_node = smil_doc.find(_SWITCH_XPATH)
else:
title_id = title_node.attrib['content']
switch_node = find_xpath_attr(
smil_doc, _SWITCH_XPATH, 'id', title_id)
if switch_node is None:
raise ExtractorError('Cannot find switch node')
video_nodes = switch_node.findall(
'{http://www.w3.org/2001/SMIL20/Language}video')
video_nodes = smil.findall(self._xpath_ns('.//video', namespace))
for vn in video_nodes:
tbr = int_or_none(vn.attrib.get('system-bitrate'))
tbr = int_or_none(vn.attrib.get('system-bitrate'), 1000)
furl = (
'http://livestream-f.akamaihd.net/%s?v=3.0.3&fp=WIN%%2014,0,0,145' %
(vn.attrib['src']))
'%s%s?v=3.0.3&fp=WIN%%2014,0,0,145' % (base, vn.attrib['src']))
if 'clipBegin' in vn.attrib:
furl += '&ssek=' + vn.attrib['clipBegin']
formats.append({
@ -106,89 +90,136 @@ class LivestreamIE(InfoExtractor):
('sd', 'progressive_url'),
('hd', 'progressive_url_hd'),
)
formats = [{
'format_id': format_id,
'url': video_data[key],
'quality': i + 1,
} for i, (format_id, key) in enumerate(FORMAT_KEYS)
if video_data.get(key)]
formats = []
for format_id, key in FORMAT_KEYS:
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))
formats.append({
'url': video_url,
'format_id': format_id,
'tbr': bitrate,
'ext': ext,
})
smil_url = video_data.get('smil_url')
if smil_url:
formats.extend(self._parse_smil(video_id, smil_url))
smil_formats = self._extract_smil_formats(smil_url, video_id)
if smil_formats:
formats.extend(smil_formats)
m3u8_url = video_data.get('m3u8_url')
if m3u8_url:
m3u8_formats = self._extract_m3u8_formats(
m3u8_url, video_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False)
if m3u8_formats:
formats.extend(m3u8_formats)
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)
if f4m_formats:
formats.extend(f4m_formats)
self._sort_formats(formats)
comments = [{
'author_id': comment.get('author_id'),
'author': comment.get('author', {}).get('full_name'),
'id': comment.get('id'),
'text': comment['text'],
'timestamp': parse_iso8601(comment.get('created_at')),
} for comment in video_data.get('comments', {}).get('data', [])]
return {
'id': video_id,
'formats': formats,
'title': video_data['caption'],
'description': video_data.get('description'),
'thumbnail': video_data.get('thumbnail_url'),
'upload_date': video_data['updated_at'].replace('-', '')[:8],
'duration': float_or_none(video_data.get('duration'), 1000),
'timestamp': parse_iso8601(video_data.get('publish_at')),
'like_count': video_data.get('likes', {}).get('total'),
'comment_count': video_data.get('comments', {}).get('total'),
'view_count': video_data.get('views'),
'comments': comments,
}
def _extract_stream_info(self, stream_info):
broadcast_id = stream_info['broadcast_id']
is_live = stream_info.get('is_live')
formats = []
smil_url = stream_info.get('play_url')
if smil_url:
smil_formats = self._extract_smil_formats(smil_url, broadcast_id)
if smil_formats:
formats.extend(smil_formats)
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)
if m3u8_formats:
formats.extend(m3u8_formats)
rtsp_url = stream_info.get('rtsp_url')
if rtsp_url:
formats.append({
'url': rtsp_url,
'format_id': 'rtsp',
})
self._sort_formats(formats)
return {
'id': broadcast_id,
'formats': formats,
'title': self._live_title(stream_info['stream_title']) if is_live else stream_info['stream_title'],
'thumbnail': stream_info.get('thumbnail_url'),
'is_live': is_live,
}
def _extract_event(self, info):
event_id = compat_str(info['id'])
account = compat_str(info['owner_account_id'])
root_url = (
'https://new.livestream.com/api/accounts/{account}/events/{event}/'
'feed.json'.format(account=account, event=event_id))
def _extract_videos():
last_video = None
for i in itertools.count(1):
if last_video is None:
info_url = root_url
else:
info_url = '{root}?&id={id}&newer=-1&type=video'.format(
root=root_url, id=last_video)
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
for v in videos_info:
yield self._extract_video_info(v)
last_video = videos_info[-1]['id']
return self.playlist_result(_extract_videos(), event_id, info['full_name'])
def _extract_event(self, event_data):
event_id = compat_str(event_data['id'])
account_id = compat_str(event_data['owner_account_id'])
feed_root_url = self._API_URL_TEMPLATE % (account_id, event_id) + '/feed.json'
stream_info = event_data.get('stream_info')
if stream_info:
return self._extract_stream_info(stream_info)
last_video = None
entries = []
for i in itertools.count(1):
if last_video is None:
info_url = feed_root_url
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 = [v['data'] for v in videos_info if v['type'] == 'video']
if not videos_info:
break
for v in videos_info:
entries.append(self.url_result(
'http://livestream.com/accounts/%s/events/%s/videos/%s' % (account_id, event_id, v['id']),
'Livestream', v['id'], v['caption']))
last_video = videos_info[-1]['id']
return self.playlist_result(entries, event_id, event_data['full_name'])
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
video_id = mobj.group('id')
event_name = mobj.group('event_name')
webpage = self._download_webpage(url, video_id or event_name)
og_video = self._og_search_video_url(
webpage, 'player url', fatal=False, default=None)
if og_video is not None:
query_str = compat_urllib_parse_urlparse(og_video).query
query = compat_urlparse.parse_qs(query_str)
if 'play_url' in query:
api_url = query['play_url'][0].replace('.smil', '')
info = json.loads(self._download_webpage(
api_url, video_id, 'Downloading video info'))
return self._extract_video_info(info)
config_json = self._search_regex(
r'window.config = ({.*?});', webpage, 'window config')
info = json.loads(config_json)['event']
def is_relevant(vdata, vid):
result = vdata['type'] == 'video'
if video_id is not None:
result = result and compat_str(vdata['data']['id']) == vid
return result
if video_id is None:
# This is an event page:
return self._extract_event(info)
event = mobj.group('event_id') or mobj.group('event_name')
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)
return self._extract_video_info(video_data)
else:
videos = [self._extract_video_info(video_data['data'])
for video_data in info['feed']['data']
if is_relevant(video_data, video_id)]
if not videos:
raise ExtractorError('Cannot find video %s' % video_id)
return videos[0]
event_data = self._download_json(api_url, video_id)
return self._extract_event(event_data)
# The original version of Livestream uses a different system
@ -204,6 +235,8 @@ class LivestreamOriginalIE(InfoExtractor):
'id': 'pla_8aa4a3f1-ba15-46a4-893b-902210e138fb',
'ext': 'mp4',
'title': 'Spark 1 (BitCoin) with Cameron Winklevoss & Tyler Winklevoss of Winklevoss Capital',
'duration': 771.301,
'view_count': int,
},
}, {
'url': 'https://original.livestream.com/newplay/folder?dirId=a07bf706-d0e4-4e75-a747-b021d84f2fd3',
@ -220,15 +253,42 @@ class LivestreamOriginalIE(InfoExtractor):
# 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')
ns = {'media': 'http://search.yahoo.com/mrss'}
thumbnail_url = item.find(xpath_with_ns('media:thumbnail', ns)).attrib['url']
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'))
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)))
formats = [{
'url': stream_info['progressiveUrl'],
'format_id': 'http',
}]
m3u8_url = stream_info.get('httpUrl')
if m3u8_url:
m3u8_formats = self._extract_m3u8_formats(
m3u8_url, video_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False)
if m3u8_formats:
formats.extend(m3u8_formats)
rtsp_url = stream_info.get('rtspUrl')
if rtsp_url:
formats.append({
'url': rtsp_url,
'format_id': 'rtsp',
})
self._sort_formats(formats)
return {
'id': video_id,
'title': item.find('title').text,
'url': stream_info['progressiveUrl'],
'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,
}
def _extract_folder(self, url, folder_id):
@ -239,14 +299,12 @@ class LivestreamOriginalIE(InfoExtractor):
<a\s+href="(?=https?://livestre\.am/)
)([^"]+)"''', webpage))
return {
'_type': 'playlist',
'id': folder_id,
'entries': [{
'_type': 'url',
'url': compat_urlparse.urljoin(url, p),
} for p in paths],
}
entries = [{
'_type': 'url',
'url': compat_urlparse.urljoin(url, p),
} for p in paths]
return self.playlist_result(entries, folder_id)
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)

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