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[ustream] Support HLS streams (closes #10698)
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@ -1,3 +1,8 @@
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version <unreleased>
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Extractors
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+ [ustream] Support the new HLS streams (#10698)
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version 2016.09.19
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Extractors
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@ -1,15 +1,20 @@
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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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@ -47,8 +52,108 @@ class UstreamIE(InfoExtractor):
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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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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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@ -86,7 +191,22 @@ def _real_extract(self, url):
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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()]
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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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