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[youtube-dl.git] / 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         }