282 lines
10 KiB
Python
282 lines
10 KiB
Python
from __future__ import unicode_literals
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import random
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import re
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from .common import InfoExtractor
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from ..compat import (
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compat_str,
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compat_urlparse,
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)
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from ..utils import (
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encode_data_uri,
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ExtractorError,
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int_or_none,
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float_or_none,
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mimetype2ext,
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str_or_none,
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)
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class UstreamIE(InfoExtractor):
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_VALID_URL = r'https?://(?:www\.)?ustream\.tv/(?P<type>recorded|embed|embed/recorded)/(?P<id>\d+)'
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IE_NAME = 'ustream'
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_TESTS = [{
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'url': 'http://www.ustream.tv/recorded/20274954',
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'md5': '088f151799e8f572f84eb62f17d73e5c',
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'info_dict': {
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'id': '20274954',
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'ext': 'flv',
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'title': 'Young Americans for Liberty February 7, 2012 2:28 AM',
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'description': 'Young Americans for Liberty February 7, 2012 2:28 AM',
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'timestamp': 1328577035,
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'upload_date': '20120207',
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'uploader': 'yaliberty',
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'uploader_id': '6780869',
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},
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}, {
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# From http://sportscanada.tv/canadagames/index.php/week2/figure-skating/444
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# Title and uploader available only from params JSON
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'url': 'http://www.ustream.tv/embed/recorded/59307601?ub=ff0000&lc=ff0000&oc=ffffff&uc=ffffff&v=3&wmode=direct',
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'md5': '5a2abf40babeac9812ed20ae12d34e10',
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'info_dict': {
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'id': '59307601',
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'ext': 'flv',
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'title': '-CG11- Canada Games Figure Skating',
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'uploader': 'sportscanadatv',
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},
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'skip': 'This Pro Broadcaster has chosen to remove this video from the ustream.tv site.',
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}, {
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'url': 'http://www.ustream.tv/embed/10299409',
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'info_dict': {
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'id': '10299409',
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},
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'playlist_count': 3,
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}, {
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'url': 'http://www.ustream.tv/recorded/91343263',
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'info_dict': {
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'id': '91343263',
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'ext': 'mp4',
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'title': 'GitHub Universe - General Session - Day 1',
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'upload_date': '20160914',
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'description': 'GitHub Universe - General Session - Day 1',
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'timestamp': 1473872730,
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'uploader': 'wa0dnskeqkr',
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'uploader_id': '38977840',
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},
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'params': {
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'skip_download': True, # m3u8 download
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},
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}]
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@staticmethod
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def _extract_url(webpage):
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mobj = re.search(
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r'<iframe[^>]+?src=(["\'])(?P<url>http://www\.ustream\.tv/embed/.+?)\1', webpage)
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if mobj is not None:
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return mobj.group('url')
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def _get_stream_info(self, url, video_id, app_id_ver, extra_note=None):
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def num_to_hex(n):
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return hex(n)[2:]
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rnd = random.randrange
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if not extra_note:
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extra_note = ''
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conn_info = self._download_json(
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'http://r%d-1-%s-recorded-lp-live.ums.ustream.tv/1/ustream' % (rnd(1e8), video_id),
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video_id, note='Downloading connection info' + extra_note,
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query={
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'type': 'viewer',
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'appId': app_id_ver[0],
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'appVersion': app_id_ver[1],
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'rsid': '%s:%s' % (num_to_hex(rnd(1e8)), num_to_hex(rnd(1e8))),
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'rpin': '_rpin.%d' % rnd(1e15),
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'referrer': url,
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'media': video_id,
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'application': 'recorded',
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})
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host = conn_info[0]['args'][0]['host']
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connection_id = conn_info[0]['args'][0]['connectionId']
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return self._download_json(
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'http://%s/1/ustream?connectionId=%s' % (host, connection_id),
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video_id, note='Downloading stream info' + extra_note)
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def _get_streams(self, url, video_id, app_id_ver):
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# Sometimes the return dict does not have 'stream'
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for trial_count in range(3):
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stream_info = self._get_stream_info(
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url, video_id, app_id_ver,
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extra_note=' (try %d)' % (trial_count + 1) if trial_count > 0 else '')
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if 'stream' in stream_info[0]['args'][0]:
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return stream_info[0]['args'][0]['stream']
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return []
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def _parse_segmented_mp4(self, dash_stream_info):
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def resolve_dash_template(template, idx, chunk_hash):
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return template.replace('%', compat_str(idx), 1).replace('%', chunk_hash)
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formats = []
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for stream in dash_stream_info['streams']:
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# Use only one provider to avoid too many formats
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provider = dash_stream_info['providers'][0]
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fragments = [{
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'url': resolve_dash_template(
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provider['url'] + stream['initUrl'], 0, dash_stream_info['hashes']['0'])
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}]
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for idx in range(dash_stream_info['videoLength'] // dash_stream_info['chunkTime']):
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fragments.append({
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'url': resolve_dash_template(
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provider['url'] + stream['segmentUrl'], idx,
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dash_stream_info['hashes'][compat_str(idx // 10 * 10)])
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})
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content_type = stream['contentType']
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kind = content_type.split('/')[0]
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f = {
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'format_id': '-'.join(filter(None, [
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'dash', kind, str_or_none(stream.get('bitrate'))])),
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'protocol': 'http_dash_segments',
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# TODO: generate a MPD doc for external players?
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'url': encode_data_uri(b'<MPD/>', 'text/xml'),
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'ext': mimetype2ext(content_type),
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'height': stream.get('height'),
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'width': stream.get('width'),
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'fragments': fragments,
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}
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if kind == 'video':
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f.update({
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'vcodec': stream.get('codec'),
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'acodec': 'none',
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'vbr': stream.get('bitrate'),
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})
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else:
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f.update({
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'vcodec': 'none',
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'acodec': stream.get('codec'),
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'abr': stream.get('bitrate'),
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})
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formats.append(f)
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return formats
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def _real_extract(self, url):
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m = re.match(self._VALID_URL, url)
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video_id = m.group('id')
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# some sites use this embed format (see: https://github.com/rg3/youtube-dl/issues/2990)
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if m.group('type') == 'embed/recorded':
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video_id = m.group('id')
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desktop_url = 'http://www.ustream.tv/recorded/' + video_id
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return self.url_result(desktop_url, 'Ustream')
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if m.group('type') == 'embed':
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video_id = m.group('id')
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webpage = self._download_webpage(url, video_id)
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content_video_ids = self._parse_json(self._search_regex(
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r'ustream\.vars\.offAirContentVideoIds=([^;]+);', webpage,
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'content video IDs'), video_id)
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return self.playlist_result(
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map(lambda u: self.url_result('http://www.ustream.tv/recorded/' + u, 'Ustream'), content_video_ids),
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video_id)
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params = self._download_json(
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'https://api.ustream.tv/videos/%s.json' % video_id, video_id)
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error = params.get('error')
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if error:
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raise ExtractorError(
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'%s returned error: %s' % (self.IE_NAME, error), expected=True)
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video = params['video']
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title = video['title']
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filesize = float_or_none(video.get('file_size'))
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formats = [{
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'id': video_id,
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'url': video_url,
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'ext': format_id,
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'filesize': filesize,
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} for format_id, video_url in video['media_urls'].items() if video_url]
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if not formats:
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hls_streams = self._get_streams(url, video_id, app_id_ver=(11, 2))
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if hls_streams:
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# m3u8_native leads to intermittent ContentTooShortError
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formats.extend(self._extract_m3u8_formats(
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hls_streams[0]['url'], video_id, ext='mp4', m3u8_id='hls'))
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'''
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# DASH streams handling is incomplete as 'url' is missing
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dash_streams = self._get_streams(url, video_id, app_id_ver=(3, 1))
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if dash_streams:
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formats.extend(self._parse_segmented_mp4(dash_streams))
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'''
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self._sort_formats(formats)
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description = video.get('description')
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timestamp = int_or_none(video.get('created_at'))
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duration = float_or_none(video.get('length'))
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view_count = int_or_none(video.get('views'))
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uploader = video.get('owner', {}).get('username')
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uploader_id = video.get('owner', {}).get('id')
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thumbnails = [{
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'id': thumbnail_id,
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'url': thumbnail_url,
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} for thumbnail_id, thumbnail_url in video.get('thumbnail', {}).items()]
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return {
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'id': video_id,
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'title': title,
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'description': description,
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'thumbnails': thumbnails,
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'timestamp': timestamp,
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'duration': duration,
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'view_count': view_count,
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'uploader': uploader,
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'uploader_id': uploader_id,
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'formats': formats,
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}
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class UstreamChannelIE(InfoExtractor):
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_VALID_URL = r'https?://(?:www\.)?ustream\.tv/channel/(?P<slug>.+)'
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IE_NAME = 'ustream:channel'
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_TEST = {
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'url': 'http://www.ustream.tv/channel/channeljapan',
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'info_dict': {
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'id': '10874166',
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},
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'playlist_mincount': 17,
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}
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def _real_extract(self, url):
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m = re.match(self._VALID_URL, url)
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display_id = m.group('slug')
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webpage = self._download_webpage(url, display_id)
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channel_id = self._html_search_meta('ustream:channel_id', webpage)
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BASE = 'http://www.ustream.tv'
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next_url = '/ajax/socialstream/videos/%s/1.json' % channel_id
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video_ids = []
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while next_url:
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reply = self._download_json(
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compat_urlparse.urljoin(BASE, next_url), display_id,
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note='Downloading video information (next: %d)' % (len(video_ids) + 1))
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video_ids.extend(re.findall(r'data-content-id="(\d.*)"', reply['data']))
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next_url = reply['nextUrl']
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entries = [
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self.url_result('http://www.ustream.tv/recorded/' + vid, 'Ustream')
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for vid in video_ids]
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return {
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'_type': 'playlist',
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'id': channel_id,
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'display_id': display_id,
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'entries': entries,
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}
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