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https://github.com/ytdl-org/youtube-dl
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[YoutubeIE] Externalize format selection
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rzhxeo
parent
3e78514568
commit
4ea3be0a5c
@ -636,7 +636,7 @@ class YoutubeDL(object):
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info_dict['playlist_index'] = None
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# This extractors handle format selection themselves
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if info_dict['extractor'] in [u'youtube', u'Youku']:
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if info_dict['extractor'] in [u'Youku']:
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if download:
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self.process_info(info_dict)
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return info_dict
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@ -162,23 +162,6 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
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# Dash audio
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'141', '172', '140', '171', '139',
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]
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_available_formats_prefer_free = ['38', '46', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '36', '17', '13',
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# Apple HTTP Live Streaming
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'96', '95', '94', '93', '92', '132', '151',
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# 3D
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'85', '102', '84', '101', '83', '100', '82',
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# Dash video
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'138', '248', '137', '247', '136', '246', '245',
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'244', '135', '243', '134', '242', '133', '160',
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# Dash audio
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'172', '141', '171', '140', '139',
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]
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_video_formats_map = {
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'flv': ['35', '34', '6', '5'],
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'3gp': ['36', '17', '13'],
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'mp4': ['38', '37', '22', '18'],
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'webm': ['46', '45', '44', '43'],
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}
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_video_extensions = {
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'13': '3gp',
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'17': '3gp',
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@ -1153,13 +1136,6 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
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self._downloader.report_warning(err_msg)
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return {}
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def _print_formats(self, formats):
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print('Available formats:')
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for x in formats:
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print('%s\t:\t%s\t[%s]%s' %(x, self._video_extensions.get(x, 'flv'),
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self._video_dimensions.get(x, '???'),
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' ('+self._special_itags[x]+')' if x in self._special_itags else ''))
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def _extract_id(self, url):
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mobj = re.match(self._VALID_URL, url, re.VERBOSE)
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if mobj is None:
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@ -1172,48 +1148,11 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
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Transform a dictionary in the format {itag:url} to a list of (itag, url)
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with the requested formats.
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"""
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req_format = self._downloader.params.get('format', None)
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format_limit = self._downloader.params.get('format_limit', None)
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available_formats = self._available_formats_prefer_free if self._downloader.params.get('prefer_free_formats', False) else self._available_formats
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if format_limit is not None and format_limit in available_formats:
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format_list = available_formats[available_formats.index(format_limit):]
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else:
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format_list = available_formats
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existing_formats = [x for x in format_list if x in url_map]
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existing_formats = [x for x in self._available_formats if x in url_map]
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if len(existing_formats) == 0:
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raise ExtractorError(u'no known formats available for video')
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if self._downloader.params.get('listformats', None):
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self._print_formats(existing_formats)
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return
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if req_format is None or req_format == 'best':
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video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality
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elif req_format == 'worst':
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video_url_list = [(existing_formats[-1], url_map[existing_formats[-1]])] # worst quality
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elif req_format in ('-1', 'all'):
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video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
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else:
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# Specific formats. We pick the first in a slash-delimeted sequence.
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# Format can be specified as itag or 'mp4' or 'flv' etc. We pick the highest quality
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# available in the specified format. For example,
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# if '1/2/3/4' is requested and '2' and '4' are available, we pick '2'.
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# if '1/mp4/3/4' is requested and '1' and '5' (is a mp4) are available, we pick '1'.
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# if '1/mp4/3/4' is requested and '4' and '5' (is a mp4) are available, we pick '5'.
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req_formats = req_format.split('/')
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video_url_list = None
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for rf in req_formats:
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if rf in url_map:
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video_url_list = [(rf, url_map[rf])]
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break
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if rf in self._video_formats_map:
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for srf in self._video_formats_map[rf]:
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if srf in url_map:
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video_url_list = [(srf, url_map[srf])]
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break
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else:
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continue
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break
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if video_url_list is None:
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raise ExtractorError(u'requested format not available')
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video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
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video_url_list.reverse() # order worst to best
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return video_url_list
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def _extract_from_m3u8(self, manifest_url, video_id):
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@ -1462,19 +1401,14 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
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url += '&ratebypass=yes'
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url_map[url_data['itag'][0]] = url
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video_url_list = self._get_video_url_list(url_map)
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if not video_url_list:
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return
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elif video_info.get('hlsvp'):
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manifest_url = video_info['hlsvp'][0]
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url_map = self._extract_from_m3u8(manifest_url, video_id)
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video_url_list = self._get_video_url_list(url_map)
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if not video_url_list:
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return
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else:
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raise ExtractorError(u'no conn, hlsvp or url_encoded_fmt_stream_map information found in video info')
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results = []
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formats = []
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for itag, video_real_url in video_url_list:
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# Extension
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video_extension = self._video_extensions.get(itag, 'flv')
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@ -1482,30 +1416,37 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
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video_format = '{0} - {1}{2}'.format(itag if itag else video_extension,
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self._video_dimensions.get(itag, '???'),
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' ('+self._special_itags[itag]+')' if itag in self._special_itags else '')
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note = self._special_itags.get(itag, None)
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resolution = self._video_dimensions.get(itag, None)
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results.append({
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'id': video_id,
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'url': video_real_url,
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'uploader': video_uploader,
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'uploader_id': video_uploader_id,
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'upload_date': upload_date,
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'title': video_title,
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'ext': video_extension,
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'format': video_format,
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'format_id': itag,
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'thumbnail': video_thumbnail,
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'description': video_description,
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'player_url': player_url,
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'subtitles': video_subtitles,
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'duration': video_duration,
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'age_limit': 18 if age_gate else 0,
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'annotations': video_annotations,
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'webpage_url': 'https://www.youtube.com/watch?v=%s' % video_id,
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'view_count': view_count,
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'like_count': like_count,
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'dislike_count': dislike_count,
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formats.append({
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'url': video_real_url,
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'ext': video_extension,
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'format': video_format,
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'format_id': itag,
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'player_url': player_url,
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'_resolution': resolution,
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'format_note': note,
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})
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return results
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return {
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'id': video_id,
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'uploader': video_uploader,
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'uploader_id': video_uploader_id,
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'upload_date': upload_date,
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'title': video_title,
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'thumbnail': video_thumbnail,
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'description': video_description,
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'subtitles': video_subtitles,
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'duration': video_duration,
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'age_limit': 18 if age_gate else 0,
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'annotations': video_annotations,
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'webpage_url': 'https://www.youtube.com/watch?v=%s' % video_id,
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'view_count': view_count,
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'like_count': like_count,
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'dislike_count': dislike_count,
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'formats': formats,
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}
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class YoutubePlaylistIE(YoutubeBaseInfoExtractor):
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IE_DESC = u'YouTube.com playlists'
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