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/rg3/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, }