diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | youtube_dl/extractor/ustream.py | 122 |
2 files changed, 126 insertions, 1 deletions
@@ -1,3 +1,8 @@ +version <unreleased> + +Extractors ++ [ustream] Support the new HLS streams (#10698) + version 2016.09.19 Extractors diff --git a/youtube_dl/extractor/ustream.py b/youtube_dl/extractor/ustream.py index a3dc9d33e..0c06bf36b 100644 --- a/youtube_dl/extractor/ustream.py +++ b/youtube_dl/extractor/ustream.py @@ -1,15 +1,20 @@ 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, ) @@ -47,8 +52,108 @@ class UstreamIE(InfoExtractor): '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 + }, }] + 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') @@ -86,7 +191,22 @@ class UstreamIE(InfoExtractor): 'url': video_url, 'ext': format_id, 'filesize': filesize, - } for format_id, video_url in video['media_urls'].items()] + } 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') |