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- from __future__ import unicode_literals
-
- import random
- import re
-
- from .common import InfoExtractor
- from ..compat import (
- compat_str,
- compat_urlparse,
- )
- from ..utils import (
- encode_data_uri,
- ExtractorError,
- int_or_none,
- float_or_none,
- mimetype2ext,
- str_or_none,
- )
-
-
- class UstreamIE(InfoExtractor):
- _VALID_URL = r'https?://(?:www\.)?ustream\.tv/(?P<type>recorded|embed|embed/recorded)/(?P<id>\d+)'
- IE_NAME = 'ustream'
- _TESTS = [{
- 'url': 'http://www.ustream.tv/recorded/20274954',
- 'md5': '088f151799e8f572f84eb62f17d73e5c',
- 'info_dict': {
- 'id': '20274954',
- 'ext': 'flv',
- 'title': 'Young Americans for Liberty February 7, 2012 2:28 AM',
- 'description': 'Young Americans for Liberty February 7, 2012 2:28 AM',
- 'timestamp': 1328577035,
- 'upload_date': '20120207',
- 'uploader': 'yaliberty',
- 'uploader_id': '6780869',
- },
- }, {
- # From http://sportscanada.tv/canadagames/index.php/week2/figure-skating/444
- # Title and uploader available only from params JSON
- 'url': 'http://www.ustream.tv/embed/recorded/59307601?ub=ff0000&lc=ff0000&oc=ffffff&uc=ffffff&v=3&wmode=direct',
- 'md5': '5a2abf40babeac9812ed20ae12d34e10',
- 'info_dict': {
- 'id': '59307601',
- 'ext': 'flv',
- 'title': '-CG11- Canada Games Figure Skating',
- 'uploader': 'sportscanadatv',
- },
- 'skip': 'This Pro Broadcaster has chosen to remove this video from the ustream.tv site.',
- }, {
- 'url': 'http://www.ustream.tv/embed/10299409',
- 'info_dict': {
- 'id': '10299409',
- },
- 'playlist_count': 3,
- }, {
- 'url': 'http://www.ustream.tv/recorded/91343263',
- 'info_dict': {
- 'id': '91343263',
- 'ext': 'mp4',
- 'title': 'GitHub Universe - General Session - Day 1',
- 'upload_date': '20160914',
- 'description': 'GitHub Universe - General Session - Day 1',
- 'timestamp': 1473872730,
- 'uploader': 'wa0dnskeqkr',
- 'uploader_id': '38977840',
- },
- 'params': {
- 'skip_download': True, # m3u8 download
- },
- }]
-
- @staticmethod
- def _extract_url(webpage):
- mobj = re.search(
- r'<iframe[^>]+?src=(["\'])(?P<url>http://www\.ustream\.tv/embed/.+?)\1', webpage)
- if mobj is not None:
- return mobj.group('url')
-
- def _get_stream_info(self, url, video_id, app_id_ver, extra_note=None):
- def num_to_hex(n):
- return hex(n)[2:]
-
- rnd = random.randrange
-
- if not extra_note:
- extra_note = ''
-
- conn_info = self._download_json(
- 'http://r%d-1-%s-recorded-lp-live.ums.ustream.tv/1/ustream' % (rnd(1e8), video_id),
- video_id, note='Downloading connection info' + extra_note,
- query={
- 'type': 'viewer',
- 'appId': app_id_ver[0],
- 'appVersion': app_id_ver[1],
- 'rsid': '%s:%s' % (num_to_hex(rnd(1e8)), num_to_hex(rnd(1e8))),
- 'rpin': '_rpin.%d' % rnd(1e15),
- 'referrer': url,
- 'media': video_id,
- 'application': 'recorded',
- })
- host = conn_info[0]['args'][0]['host']
- connection_id = conn_info[0]['args'][0]['connectionId']
-
- return self._download_json(
- 'http://%s/1/ustream?connectionId=%s' % (host, connection_id),
- video_id, note='Downloading stream info' + extra_note)
-
- def _get_streams(self, url, video_id, app_id_ver):
- # Sometimes the return dict does not have 'stream'
- for trial_count in range(3):
- stream_info = self._get_stream_info(
- url, video_id, app_id_ver,
- extra_note=' (try %d)' % (trial_count + 1) if trial_count > 0 else '')
- if 'stream' in stream_info[0]['args'][0]:
- return stream_info[0]['args'][0]['stream']
- return []
-
- def _parse_segmented_mp4(self, dash_stream_info):
- def resolve_dash_template(template, idx, chunk_hash):
- return template.replace('%', compat_str(idx), 1).replace('%', chunk_hash)
-
- formats = []
- for stream in dash_stream_info['streams']:
- # Use only one provider to avoid too many formats
- provider = dash_stream_info['providers'][0]
- fragments = [{
- 'url': resolve_dash_template(
- provider['url'] + stream['initUrl'], 0, dash_stream_info['hashes']['0'])
- }]
- for idx in range(dash_stream_info['videoLength'] // dash_stream_info['chunkTime']):
- fragments.append({
- 'url': resolve_dash_template(
- provider['url'] + stream['segmentUrl'], idx,
- dash_stream_info['hashes'][compat_str(idx // 10 * 10)])
- })
- content_type = stream['contentType']
- kind = content_type.split('/')[0]
- f = {
- 'format_id': '-'.join(filter(None, [
- 'dash', kind, str_or_none(stream.get('bitrate'))])),
- 'protocol': 'http_dash_segments',
- # TODO: generate a MPD doc for external players?
- 'url': encode_data_uri(b'<MPD/>', 'text/xml'),
- 'ext': mimetype2ext(content_type),
- 'height': stream.get('height'),
- 'width': stream.get('width'),
- 'fragments': fragments,
- }
- if kind == 'video':
- f.update({
- 'vcodec': stream.get('codec'),
- 'acodec': 'none',
- 'vbr': stream.get('bitrate'),
- })
- else:
- f.update({
- 'vcodec': 'none',
- 'acodec': stream.get('codec'),
- 'abr': stream.get('bitrate'),
- })
- formats.append(f)
- return formats
-
- def _real_extract(self, url):
- m = re.match(self._VALID_URL, url)
- video_id = m.group('id')
-
- # some sites use this embed format (see: https://github.com/ytdl-org/youtube-dl/issues/2990)
- if m.group('type') == 'embed/recorded':
- video_id = m.group('id')
- desktop_url = 'http://www.ustream.tv/recorded/' + video_id
- return self.url_result(desktop_url, 'Ustream')
- if m.group('type') == 'embed':
- video_id = m.group('id')
- webpage = self._download_webpage(url, video_id)
- content_video_ids = self._parse_json(self._search_regex(
- r'ustream\.vars\.offAirContentVideoIds=([^;]+);', webpage,
- 'content video IDs'), video_id)
- return self.playlist_result(
- map(lambda u: self.url_result('http://www.ustream.tv/recorded/' + u, 'Ustream'), content_video_ids),
- video_id)
-
- params = self._download_json(
- 'https://api.ustream.tv/videos/%s.json' % video_id, video_id)
-
- error = params.get('error')
- if error:
- raise ExtractorError(
- '%s returned error: %s' % (self.IE_NAME, error), expected=True)
-
- video = params['video']
-
- title = video['title']
- filesize = float_or_none(video.get('file_size'))
-
- formats = [{
- 'id': video_id,
- 'url': video_url,
- 'ext': format_id,
- 'filesize': filesize,
- } for format_id, video_url in video['media_urls'].items() if video_url]
-
- if not formats:
- hls_streams = self._get_streams(url, video_id, app_id_ver=(11, 2))
- if hls_streams:
- # m3u8_native leads to intermittent ContentTooShortError
- formats.extend(self._extract_m3u8_formats(
- hls_streams[0]['url'], video_id, ext='mp4', m3u8_id='hls'))
-
- '''
- # DASH streams handling is incomplete as 'url' is missing
- dash_streams = self._get_streams(url, video_id, app_id_ver=(3, 1))
- if dash_streams:
- formats.extend(self._parse_segmented_mp4(dash_streams))
- '''
-
- self._sort_formats(formats)
-
- description = video.get('description')
- timestamp = int_or_none(video.get('created_at'))
- duration = float_or_none(video.get('length'))
- view_count = int_or_none(video.get('views'))
-
- uploader = video.get('owner', {}).get('username')
- uploader_id = video.get('owner', {}).get('id')
-
- thumbnails = [{
- 'id': thumbnail_id,
- 'url': thumbnail_url,
- } for thumbnail_id, thumbnail_url in video.get('thumbnail', {}).items()]
-
- return {
- 'id': video_id,
- 'title': title,
- 'description': description,
- 'thumbnails': thumbnails,
- 'timestamp': timestamp,
- 'duration': duration,
- 'view_count': view_count,
- 'uploader': uploader,
- 'uploader_id': uploader_id,
- 'formats': formats,
- }
-
-
- class UstreamChannelIE(InfoExtractor):
- _VALID_URL = r'https?://(?:www\.)?ustream\.tv/channel/(?P<slug>.+)'
- IE_NAME = 'ustream:channel'
- _TEST = {
- 'url': 'http://www.ustream.tv/channel/channeljapan',
- 'info_dict': {
- 'id': '10874166',
- },
- 'playlist_mincount': 17,
- }
-
- def _real_extract(self, url):
- m = re.match(self._VALID_URL, url)
- display_id = m.group('slug')
- webpage = self._download_webpage(url, display_id)
- channel_id = self._html_search_meta('ustream:channel_id', webpage)
-
- BASE = 'http://www.ustream.tv'
- next_url = '/ajax/socialstream/videos/%s/1.json' % channel_id
- video_ids = []
- while next_url:
- reply = self._download_json(
- compat_urlparse.urljoin(BASE, next_url), display_id,
- note='Downloading video information (next: %d)' % (len(video_ids) + 1))
- video_ids.extend(re.findall(r'data-content-id="(\d.*)"', reply['data']))
- next_url = reply['nextUrl']
-
- entries = [
- self.url_result('http://www.ustream.tv/recorded/' + vid, 'Ustream')
- for vid in video_ids]
- return {
- '_type': 'playlist',
- 'id': channel_id,
- 'display_id': display_id,
- 'entries': entries,
- }
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