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[youtubedl] / youtube_dl / extractor / ustream.py
1 from __future__ import unicode_literals
2
3 import random
4 import re
5
6 from .common import InfoExtractor
7 from ..compat import (
8 compat_str,
9 compat_urlparse,
10 )
11 from ..utils import (
12 encode_data_uri,
13 ExtractorError,
14 int_or_none,
15 float_or_none,
16 mimetype2ext,
17 str_or_none,
18 )
19
20
21 class UstreamIE(InfoExtractor):
22 _VALID_URL = r'https?://(?:www\.)?ustream\.tv/(?P<type>recorded|embed|embed/recorded)/(?P<id>\d+)'
23 IE_NAME = 'ustream'
24 _TESTS = [{
25 'url': 'http://www.ustream.tv/recorded/20274954',
26 'md5': '088f151799e8f572f84eb62f17d73e5c',
27 'info_dict': {
28 'id': '20274954',
29 'ext': 'flv',
30 'title': 'Young Americans for Liberty February 7, 2012 2:28 AM',
31 'description': 'Young Americans for Liberty February 7, 2012 2:28 AM',
32 'timestamp': 1328577035,
33 'upload_date': '20120207',
34 'uploader': 'yaliberty',
35 'uploader_id': '6780869',
36 },
37 }, {
38 # From http://sportscanada.tv/canadagames/index.php/week2/figure-skating/444
39 # Title and uploader available only from params JSON
40 'url': 'http://www.ustream.tv/embed/recorded/59307601?ub=ff0000&lc=ff0000&oc=ffffff&uc=ffffff&v=3&wmode=direct',
41 'md5': '5a2abf40babeac9812ed20ae12d34e10',
42 'info_dict': {
43 'id': '59307601',
44 'ext': 'flv',
45 'title': '-CG11- Canada Games Figure Skating',
46 'uploader': 'sportscanadatv',
47 },
48 'skip': 'This Pro Broadcaster has chosen to remove this video from the ustream.tv site.',
49 }, {
50 'url': 'http://www.ustream.tv/embed/10299409',
51 'info_dict': {
52 'id': '10299409',
53 },
54 'playlist_count': 3,
55 }, {
56 'url': 'http://www.ustream.tv/recorded/91343263',
57 'info_dict': {
58 'id': '91343263',
59 'ext': 'mp4',
60 'title': 'GitHub Universe - General Session - Day 1',
61 'upload_date': '20160914',
62 'description': 'GitHub Universe - General Session - Day 1',
63 'timestamp': 1473872730,
64 'uploader': 'wa0dnskeqkr',
65 'uploader_id': '38977840',
66 },
67 'params': {
68 'skip_download': True, # m3u8 download
69 },
70 }]
71
72 @staticmethod
73 def _extract_url(webpage):
74 mobj = re.search(
75 r'<iframe[^>]+?src=(["\'])(?P<url>http://www\.ustream\.tv/embed/.+?)\1', webpage)
76 if mobj is not None:
77 return mobj.group('url')
78
79 def _get_stream_info(self, url, video_id, app_id_ver, extra_note=None):
80 def num_to_hex(n):
81 return hex(n)[2:]
82
83 rnd = random.randrange
84
85 if not extra_note:
86 extra_note = ''
87
88 conn_info = self._download_json(
89 'http://r%d-1-%s-recorded-lp-live.ums.ustream.tv/1/ustream' % (rnd(1e8), video_id),
90 video_id, note='Downloading connection info' + extra_note,
91 query={
92 'type': 'viewer',
93 'appId': app_id_ver[0],
94 'appVersion': app_id_ver[1],
95 'rsid': '%s:%s' % (num_to_hex(rnd(1e8)), num_to_hex(rnd(1e8))),
96 'rpin': '_rpin.%d' % rnd(1e15),
97 'referrer': url,
98 'media': video_id,
99 'application': 'recorded',
100 })
101 host = conn_info[0]['args'][0]['host']
102 connection_id = conn_info[0]['args'][0]['connectionId']
103
104 return self._download_json(
105 'http://%s/1/ustream?connectionId=%s' % (host, connection_id),
106 video_id, note='Downloading stream info' + extra_note)
107
108 def _get_streams(self, url, video_id, app_id_ver):
109 # Sometimes the return dict does not have 'stream'
110 for trial_count in range(3):
111 stream_info = self._get_stream_info(
112 url, video_id, app_id_ver,
113 extra_note=' (try %d)' % (trial_count + 1) if trial_count > 0 else '')
114 if 'stream' in stream_info[0]['args'][0]:
115 return stream_info[0]['args'][0]['stream']
116 return []
117
118 def _parse_segmented_mp4(self, dash_stream_info):
119 def resolve_dash_template(template, idx, chunk_hash):
120 return template.replace('%', compat_str(idx), 1).replace('%', chunk_hash)
121
122 formats = []
123 for stream in dash_stream_info['streams']:
124 # Use only one provider to avoid too many formats
125 provider = dash_stream_info['providers'][0]
126 fragments = [{
127 'url': resolve_dash_template(
128 provider['url'] + stream['initUrl'], 0, dash_stream_info['hashes']['0'])
129 }]
130 for idx in range(dash_stream_info['videoLength'] // dash_stream_info['chunkTime']):
131 fragments.append({
132 'url': resolve_dash_template(
133 provider['url'] + stream['segmentUrl'], idx,
134 dash_stream_info['hashes'][compat_str(idx // 10 * 10)])
135 })
136 content_type = stream['contentType']
137 kind = content_type.split('/')[0]
138 f = {
139 'format_id': '-'.join(filter(None, [
140 'dash', kind, str_or_none(stream.get('bitrate'))])),
141 'protocol': 'http_dash_segments',
142 # TODO: generate a MPD doc for external players?
143 'url': encode_data_uri(b'<MPD/>', 'text/xml'),
144 'ext': mimetype2ext(content_type),
145 'height': stream.get('height'),
146 'width': stream.get('width'),
147 'fragments': fragments,
148 }
149 if kind == 'video':
150 f.update({
151 'vcodec': stream.get('codec'),
152 'acodec': 'none',
153 'vbr': stream.get('bitrate'),
154 })
155 else:
156 f.update({
157 'vcodec': 'none',
158 'acodec': stream.get('codec'),
159 'abr': stream.get('bitrate'),
160 })
161 formats.append(f)
162 return formats
163
164 def _real_extract(self, url):
165 m = re.match(self._VALID_URL, url)
166 video_id = m.group('id')
167
168 # some sites use this embed format (see: https://github.com/ytdl-org/youtube-dl/issues/2990)
169 if m.group('type') == 'embed/recorded':
170 video_id = m.group('id')
171 desktop_url = 'http://www.ustream.tv/recorded/' + video_id
172 return self.url_result(desktop_url, 'Ustream')
173 if m.group('type') == 'embed':
174 video_id = m.group('id')
175 webpage = self._download_webpage(url, video_id)
176 content_video_ids = self._parse_json(self._search_regex(
177 r'ustream\.vars\.offAirContentVideoIds=([^;]+);', webpage,
178 'content video IDs'), video_id)
179 return self.playlist_result(
180 map(lambda u: self.url_result('http://www.ustream.tv/recorded/' + u, 'Ustream'), content_video_ids),
181 video_id)
182
183 params = self._download_json(
184 'https://api.ustream.tv/videos/%s.json' % video_id, video_id)
185
186 error = params.get('error')
187 if error:
188 raise ExtractorError(
189 '%s returned error: %s' % (self.IE_NAME, error), expected=True)
190
191 video = params['video']
192
193 title = video['title']
194 filesize = float_or_none(video.get('file_size'))
195
196 formats = [{
197 'id': video_id,
198 'url': video_url,
199 'ext': format_id,
200 'filesize': filesize,
201 } for format_id, video_url in video['media_urls'].items() if video_url]
202
203 if not formats:
204 hls_streams = self._get_streams(url, video_id, app_id_ver=(11, 2))
205 if hls_streams:
206 # m3u8_native leads to intermittent ContentTooShortError
207 formats.extend(self._extract_m3u8_formats(
208 hls_streams[0]['url'], video_id, ext='mp4', m3u8_id='hls'))
209
210 '''
211 # DASH streams handling is incomplete as 'url' is missing
212 dash_streams = self._get_streams(url, video_id, app_id_ver=(3, 1))
213 if dash_streams:
214 formats.extend(self._parse_segmented_mp4(dash_streams))
215 '''
216
217 self._sort_formats(formats)
218
219 description = video.get('description')
220 timestamp = int_or_none(video.get('created_at'))
221 duration = float_or_none(video.get('length'))
222 view_count = int_or_none(video.get('views'))
223
224 uploader = video.get('owner', {}).get('username')
225 uploader_id = video.get('owner', {}).get('id')
226
227 thumbnails = [{
228 'id': thumbnail_id,
229 'url': thumbnail_url,
230 } for thumbnail_id, thumbnail_url in video.get('thumbnail', {}).items()]
231
232 return {
233 'id': video_id,
234 'title': title,
235 'description': description,
236 'thumbnails': thumbnails,
237 'timestamp': timestamp,
238 'duration': duration,
239 'view_count': view_count,
240 'uploader': uploader,
241 'uploader_id': uploader_id,
242 'formats': formats,
243 }
244
245
246 class UstreamChannelIE(InfoExtractor):
247 _VALID_URL = r'https?://(?:www\.)?ustream\.tv/channel/(?P<slug>.+)'
248 IE_NAME = 'ustream:channel'
249 _TEST = {
250 'url': 'http://www.ustream.tv/channel/channeljapan',
251 'info_dict': {
252 'id': '10874166',
253 },
254 'playlist_mincount': 17,
255 }
256
257 def _real_extract(self, url):
258 m = re.match(self._VALID_URL, url)
259 display_id = m.group('slug')
260 webpage = self._download_webpage(url, display_id)
261 channel_id = self._html_search_meta('ustream:channel_id', webpage)
262
263 BASE = 'http://www.ustream.tv'
264 next_url = '/ajax/socialstream/videos/%s/1.json' % channel_id
265 video_ids = []
266 while next_url:
267 reply = self._download_json(
268 compat_urlparse.urljoin(BASE, next_url), display_id,
269 note='Downloading video information (next: %d)' % (len(video_ids) + 1))
270 video_ids.extend(re.findall(r'data-content-id="(\d.*)"', reply['data']))
271 next_url = reply['nextUrl']
272
273 entries = [
274 self.url_result('http://www.ustream.tv/recorded/' + vid, 'Ustream')
275 for vid in video_ids]
276 return {
277 '_type': 'playlist',
278 'id': channel_id,
279 'display_id': display_id,
280 'entries': entries,
281 }