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https://github.com/yt-dlp/yt-dlp.git
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Merge pull request #6428 from dstftw/improve-generic-smil-support
Improve generic SMIL support
This commit is contained in:
Sergey M.
commit
d5d7bdaeb5
5 changed files with 228 additions and 56 deletions
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@ -133,8 +133,8 @@ def expect_info_dict(self, got_dict, expected_dict):
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elif isinstance(expected, compat_str) and expected.startswith('mincount:'):
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got = got_dict.get(info_field)
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self.assertTrue(
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isinstance(got, list),
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'Expected field %s to be a list, but it is of type %s' % (
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isinstance(got, (list, dict)),
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'Expected field %s to be a list or a dict, but it is of type %s' % (
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info_field, type(got).__name__))
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expected_num = int(expected.partition(':')[2])
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assertGreaterEqual(
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@ -136,7 +136,9 @@ def generator(test_case):
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# We're not using .download here sine that is just a shim
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# for outside error handling, and returns the exit code
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# instead of the result dict.
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res_dict = ydl.extract_info(test_case['url'])
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res_dict = ydl.extract_info(
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test_case['url'],
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force_generic_extractor=params.get('force_generic_extractor', False))
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except (DownloadError, ExtractorError) as err:
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# Check if the exception is not a network related one
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if not err.exc_info[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError, compat_http_client.BadStatusLine) or (err.exc_info[0] == compat_HTTPError and err.exc_info[1].code == 503):
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@ -18,6 +18,7 @@ from ..compat import (
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compat_HTTPError,
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compat_http_client,
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compat_urllib_error,
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compat_urllib_parse,
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compat_urllib_parse_urlparse,
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compat_urllib_request,
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compat_urlparse,
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@ -37,6 +38,7 @@ from ..utils import (
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RegexNotFoundError,
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sanitize_filename,
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unescapeHTML,
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url_basename,
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)
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@ -978,69 +980,167 @@ class InfoExtractor(object):
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self._sort_formats(formats)
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return formats
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# TODO: improve extraction
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def _extract_smil_formats(self, smil_url, video_id, fatal=True):
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smil = self._download_xml(
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smil_url, video_id, 'Downloading SMIL file',
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'Unable to download SMIL file', fatal=fatal)
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@staticmethod
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def _xpath_ns(path, namespace=None):
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if not namespace:
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return path
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out = []
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for c in path.split('/'):
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if not c or c == '.':
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out.append(c)
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else:
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out.append('{%s}%s' % (namespace, c))
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return '/'.join(out)
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def _extract_smil_formats(self, smil_url, video_id, fatal=True, f4m_params=None):
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smil = self._download_smil(smil_url, video_id, fatal=fatal)
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if smil is False:
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assert not fatal
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return []
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base = smil.find('./head/meta').get('base')
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namespace = self._parse_smil_namespace(smil)
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return self._parse_smil_formats(
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smil, smil_url, video_id, namespace=namespace, f4m_params=f4m_params)
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def _extract_smil_info(self, smil_url, video_id, fatal=True, f4m_params=None):
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smil = self._download_smil(smil_url, video_id, fatal=fatal)
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if smil is False:
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return {}
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return self._parse_smil(smil, smil_url, video_id, f4m_params=f4m_params)
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def _download_smil(self, smil_url, video_id, fatal=True):
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return self._download_xml(
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smil_url, video_id, 'Downloading SMIL file',
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'Unable to download SMIL file', fatal=fatal)
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def _parse_smil(self, smil, smil_url, video_id, f4m_params=None):
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namespace = self._parse_smil_namespace(smil)
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formats = self._parse_smil_formats(
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smil, smil_url, video_id, namespace=namespace, f4m_params=f4m_params)
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subtitles = self._parse_smil_subtitles(smil, namespace=namespace)
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video_id = os.path.splitext(url_basename(smil_url))[0]
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title = None
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description = None
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for meta in smil.findall(self._xpath_ns('./head/meta', namespace)):
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name = meta.attrib.get('name')
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content = meta.attrib.get('content')
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if not name or not content:
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continue
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if not title and name == 'title':
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title = content
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elif not description and name in ('description', 'abstract'):
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description = content
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return {
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'id': video_id,
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'title': title or video_id,
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'description': description,
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'formats': formats,
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'subtitles': subtitles,
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}
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def _parse_smil_namespace(self, smil):
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return self._search_regex(
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r'(?i)^{([^}]+)?}smil$', smil.tag, 'namespace', default=None)
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def _parse_smil_formats(self, smil, smil_url, video_id, namespace=None, f4m_params=None):
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base = smil_url
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for meta in smil.findall(self._xpath_ns('./head/meta', namespace)):
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b = meta.get('base') or meta.get('httpBase')
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if b:
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base = b
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break
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formats = []
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rtmp_count = 0
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if smil.findall('./body/seq/video'):
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video = smil.findall('./body/seq/video')[0]
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fmts, rtmp_count = self._parse_smil_video(video, video_id, base, rtmp_count)
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formats.extend(fmts)
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else:
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for video in smil.findall('./body/switch/video'):
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fmts, rtmp_count = self._parse_smil_video(video, video_id, base, rtmp_count)
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formats.extend(fmts)
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http_count = 0
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self._sort_formats(formats)
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return formats
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def _parse_smil_video(self, video, video_id, base, rtmp_count):
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videos = smil.findall(self._xpath_ns('.//video', namespace))
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for video in videos:
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src = video.get('src')
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if not src:
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return [], rtmp_count
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continue
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bitrate = int_or_none(video.get('system-bitrate') or video.get('systemBitrate'), 1000)
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filesize = int_or_none(video.get('size') or video.get('fileSize'))
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width = int_or_none(video.get('width'))
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height = int_or_none(video.get('height'))
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proto = video.get('proto')
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if not proto:
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if base:
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if base.startswith('rtmp'):
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proto = 'rtmp'
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elif base.startswith('http'):
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proto = 'http'
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ext = video.get('ext')
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if proto == 'm3u8':
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return self._extract_m3u8_formats(src, video_id, ext), rtmp_count
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elif proto == 'rtmp':
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rtmp_count += 1
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src_ext = determine_ext(src)
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streamer = video.get('streamer') or base
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return ([{
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if proto == 'rtmp' or streamer.startswith('rtmp'):
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rtmp_count += 1
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formats.append({
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'url': streamer,
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'play_path': src,
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'ext': 'flv',
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'format_id': 'rtmp-%d' % (rtmp_count if bitrate is None else bitrate),
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'tbr': bitrate,
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'filesize': filesize,
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'width': width,
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'height': height,
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}], rtmp_count)
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elif proto.startswith('http'):
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return ([{
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'url': base + src,
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'ext': ext or 'flv',
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})
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continue
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src_url = src if src.startswith('http') else compat_urlparse.urljoin(base, src)
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if proto == 'm3u8' or src_ext == 'm3u8':
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formats.extend(self._extract_m3u8_formats(
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src_url, video_id, ext or 'mp4', m3u8_id='hls'))
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continue
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if src_ext == 'f4m':
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f4m_url = src_url
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if not f4m_params:
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f4m_params = {
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'hdcore': '3.2.0',
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'plugin': 'flowplayer-3.2.0.1',
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}
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f4m_url += '&' if '?' in f4m_url else '?'
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f4m_url += compat_urllib_parse.urlencode(f4m_params)
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formats.extend(self._extract_f4m_formats(f4m_url, video_id, f4m_id='hds'))
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continue
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if src_url.startswith('http'):
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http_count += 1
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formats.append({
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'url': src_url,
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'ext': ext or src_ext or 'flv',
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'format_id': 'http-%d' % (bitrate or http_count),
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'tbr': bitrate,
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'filesize': filesize,
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'width': width,
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'height': height,
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}], rtmp_count)
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})
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continue
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self._sort_formats(formats)
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return formats
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def _parse_smil_subtitles(self, smil, namespace=None):
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subtitles = {}
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for num, textstream in enumerate(smil.findall(self._xpath_ns('.//textstream', namespace))):
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src = textstream.get('src')
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if not src:
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continue
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ext = textstream.get('ext') or determine_ext(src)
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if not ext:
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type_ = textstream.get('type')
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if type_ == 'text/srt':
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ext = 'srt'
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lang = textstream.get('systemLanguage') or textstream.get('systemLanguageName')
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subtitles.setdefault(lang, []).append({
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'url': src,
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'ext': ext,
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})
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return subtitles
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def _live_title(self, name):
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""" Generate the title for a live video """
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@ -130,6 +130,74 @@ class GenericIE(InfoExtractor):
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'title': 'pdv_maddow_netcast_m4v-02-27-2015-201624',
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}
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},
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# SMIL from http://videolectures.net/promogram_igor_mekjavic_eng
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{
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'url': 'http://videolectures.net/promogram_igor_mekjavic_eng/video/1/smil.xml',
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'info_dict': {
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'id': 'smil',
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'ext': 'mp4',
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'title': 'Automatics, robotics and biocybernetics',
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'description': 'md5:815fc1deb6b3a2bff99de2d5325be482',
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'formats': 'mincount:16',
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'subtitles': 'mincount:1',
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},
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'params': {
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'force_generic_extractor': True,
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'skip_download': True,
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},
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},
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# SMIL from http://www1.wdr.de/mediathek/video/livestream/index.html
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{
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'url': 'http://metafilegenerator.de/WDR/WDR_FS/hds/hds.smil',
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'info_dict': {
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'id': 'hds',
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'ext': 'flv',
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'title': 'hds',
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'formats': 'mincount:1',
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},
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'params': {
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'skip_download': True,
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},
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},
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# SMIL from https://www.restudy.dk/video/play/id/1637
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{
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'url': 'https://www.restudy.dk/awsmedia/SmilDirectory/video_1637.xml',
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'info_dict': {
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'id': 'video_1637',
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'ext': 'flv',
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'title': 'video_1637',
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'formats': 'mincount:3',
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},
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'params': {
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'skip_download': True,
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},
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},
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# SMIL from http://adventure.howstuffworks.com/5266-cool-jobs-iditarod-musher-video.htm
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{
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'url': 'http://services.media.howstuffworks.com/videos/450221/smil-service.smil',
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'info_dict': {
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'id': 'smil-service',
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'ext': 'flv',
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'title': 'smil-service',
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'formats': 'mincount:1',
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},
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'params': {
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'skip_download': True,
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},
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},
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# SMIL from http://new.livestream.com/CoheedandCambria/WebsterHall/videos/4719370
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{
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'url': 'http://api.new.livestream.com/accounts/1570303/events/1585861/videos/4719370.smil',
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'info_dict': {
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'id': '4719370',
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'ext': 'mp4',
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'title': '571de1fd-47bc-48db-abf9-238872a58d1f',
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'formats': 'mincount:3',
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},
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'params': {
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'skip_download': True,
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},
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},
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# google redirect
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{
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'url': 'http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&ved=0CCUQtwIwAA&url=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DcmQHVoWB5FY&ei=F-sNU-LLCaXk4QT52ICQBQ&usg=AFQjCNEw4hL29zgOohLXvpJ-Bdh2bils1Q&bvm=bv.61965928,d.bGE',
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@ -1123,11 +1191,13 @@ class GenericIE(InfoExtractor):
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self.report_extraction(video_id)
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# Is it an RSS feed?
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# Is it an RSS feed or a SMIL file?
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try:
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doc = parse_xml(webpage)
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if doc.tag == 'rss':
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return self._extract_rss(url, video_id, doc)
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elif re.match(r'^(?:{[^}]+})?smil$', doc.tag):
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return self._parse_smil(doc, url, video_id)
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except compat_xml_parse_error:
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pass
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@ -12,7 +12,7 @@ from ..utils import (
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class VideoLecturesNetIE(InfoExtractor):
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_VALID_URL = r'http://(?:www\.)?videolectures\.net/(?P<id>[^/#?]+)/'
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_VALID_URL = r'http://(?:www\.)?videolectures\.net/(?P<id>[^/#?]+)(?:/?[#?].*)?$'
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IE_NAME = 'videolectures.net'
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_TEST = {
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