X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Fextractor%2Fcommon.py;h=9681453ca397fa495d21b5a691701255fd18df33;hb=6092ccd05844976ea946ba5277f2b00ccb5c7920;hp=6ae946569095a4e6e82a8ff5f04580aa3229ee3a;hpb=8821a718cfeca740d42d109411645427d4f8b523;p=youtube-dl diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py index 6ae946569..9681453ca 100644 --- a/youtube_dl/extractor/common.py +++ b/youtube_dl/extractor/common.py @@ -59,6 +59,7 @@ from ..utils import ( parse_m3u8_attributes, extract_attributes, parse_codecs, + urljoin, ) @@ -120,9 +121,19 @@ class InfoExtractor(object): download, lower-case. "http", "https", "rtsp", "rtmp", "rtmpe", "m3u8", "m3u8_native" or "http_dash_segments". - * fragments A list of fragments of the fragmented media, - with the following entries: - * "url" (mandatory) - fragment's URL + * fragment_base_url + Base URL for fragments. Each fragment's path + value (if present) will be relative to + this URL. + * fragments A list of fragments of a fragmented media. + Each fragment entry must contain either an url + or a path. If an url is present it should be + considered by a client. Otherwise both path and + fragment_base_url must be present. Here is + the list of all potential fields: + * "url" - fragment's URL + * "path" - fragment's path relative to + fragment_base_url * "duration" (optional, int or float) * "filesize" (optional, int) * preference Order number of this format. If this field is @@ -188,9 +199,10 @@ class InfoExtractor(object): uploader_url: Full URL to a personal webpage of the video uploader. location: Physical location where the video was filmed. subtitles: The available subtitles as a dictionary in the format - {language: subformats}. "subformats" is a list sorted from - lower to higher preference, each element is a dictionary - with the "ext" entry and one of: + {tag: subformats}. "tag" is usually a language code, and + "subformats" is a list sorted from lower to higher + preference, each element is a dictionary with the "ext" + entry and one of: * "data": The subtitles file contents * "url": A URL pointing to the subtitles file "ext" will be calculated from URL if missing @@ -1013,13 +1025,13 @@ class InfoExtractor(object): unique_formats.append(f) formats[:] = unique_formats - def _is_valid_url(self, url, video_id, item='video'): + def _is_valid_url(self, url, video_id, item='video', headers={}): url = self._proto_relative_url(url, scheme='http:') # For now assume non HTTP(S) URLs always valid if not (url.startswith('http://') or url.startswith('https://')): return True try: - self._request_webpage(url, video_id, 'Checking %s URL' % item) + self._request_webpage(url, video_id, 'Checking %s URL' % item, headers=headers) return True except ExtractorError as e: if isinstance(e.cause, compat_urllib_error.URLError): @@ -1196,6 +1208,9 @@ class InfoExtractor(object): m3u8_doc, urlh = res m3u8_url = urlh.geturl() + if '#EXT-X-FAXS-CM:' in m3u8_doc: # Adobe Flash Access + return [] + formats = [self._m3u8_meta_format(m3u8_url, ext, preference, m3u8_id)] format_url = lambda u: ( @@ -1224,7 +1239,7 @@ class InfoExtractor(object): 'protocol': entry_protocol, 'preference': preference, }] - audio_groups = set() + audio_in_video_stream = {} last_info = {} last_media = {} for line in m3u8_doc.splitlines(): @@ -1234,10 +1249,11 @@ class InfoExtractor(object): media = parse_m3u8_attributes(line) media_type = media.get('TYPE') if media_type in ('VIDEO', 'AUDIO'): + group_id = media.get('GROUP-ID') media_url = media.get('URI') if media_url: format_id = [] - for v in (media.get('GROUP-ID'), media.get('NAME')): + for v in (group_id, media.get('NAME')): if v: format_id.append(v) f = { @@ -1250,12 +1266,15 @@ class InfoExtractor(object): } if media_type == 'AUDIO': f['vcodec'] = 'none' - audio_groups.add(media['GROUP-ID']) + if group_id and not audio_in_video_stream.get(group_id): + audio_in_video_stream[group_id] = False formats.append(f) else: # When there is no URI in EXT-X-MEDIA let this tag's # data be used by regular URI lines below last_media = media + if media_type == 'AUDIO' and group_id: + audio_in_video_stream[group_id] = True elif line.startswith('#') or not line.strip(): continue else: @@ -1299,8 +1318,8 @@ class InfoExtractor(object): 'abr': abr, }) f.update(parse_codecs(last_info.get('CODECS'))) - if last_info.get('AUDIO') in audio_groups: - # TODO: update acodec for for audio only formats with the same GROUP-ID + if audio_in_video_stream.get(last_info.get('AUDIO')) is False and f['vcodec'] != 'none': + # TODO: update acodec for audio only formats with the same GROUP-ID f['acodec'] = 'none' formats.append(f) last_info = {} @@ -1621,21 +1640,16 @@ class InfoExtractor(object): segment_template = element.find(_add_ns('SegmentTemplate')) if segment_template is not None: extract_common(segment_template) - media_template = segment_template.get('media') - if media_template: - ms_info['media_template'] = media_template + media = segment_template.get('media') + if media: + ms_info['media'] = media initialization = segment_template.get('initialization') if initialization: - ms_info['initialization_url'] = initialization + ms_info['initialization'] = initialization else: extract_Initialization(segment_template) return ms_info - def combine_url(base_url, target_url): - if re.match(r'^https?://', target_url): - return target_url - return '%s%s%s' % (base_url, '' if base_url.endswith('/') else '/', target_url) - mpd_duration = parse_duration(mpd_doc.get('mediaPresentationDuration')) formats = [] for period in mpd_doc.findall(_add_ns('Period')): @@ -1675,6 +1689,7 @@ class InfoExtractor(object): lang = representation_attrib.get('lang') url_el = representation.find(_add_ns('BaseURL')) filesize = int_or_none(url_el.attrib.get('{http://youtube.com/yt/2012/10/10}contentLength') if url_el is not None else None) + bandwidth = int_or_none(representation_attrib.get('bandwidth')) f = { 'format_id': '%s-%s' % (mpd_id, representation_id) if mpd_id else representation_id, 'url': base_url, @@ -1682,23 +1697,41 @@ class InfoExtractor(object): 'ext': mimetype2ext(mime_type), 'width': int_or_none(representation_attrib.get('width')), 'height': int_or_none(representation_attrib.get('height')), - 'tbr': int_or_none(representation_attrib.get('bandwidth'), 1000), + 'tbr': int_or_none(bandwidth, 1000), 'asr': int_or_none(representation_attrib.get('audioSamplingRate')), 'fps': int_or_none(representation_attrib.get('frameRate')), - 'vcodec': 'none' if content_type == 'audio' else representation_attrib.get('codecs'), - 'acodec': 'none' if content_type == 'video' else representation_attrib.get('codecs'), 'language': lang if lang not in ('mul', 'und', 'zxx', 'mis') else None, 'format_note': 'DASH %s' % content_type, 'filesize': filesize, } + f.update(parse_codecs(representation_attrib.get('codecs'))) representation_ms_info = extract_multisegment_info(representation, adaption_set_ms_info) - if 'segment_urls' not in representation_ms_info and 'media_template' in representation_ms_info: - media_template = representation_ms_info['media_template'] - media_template = media_template.replace('$RepresentationID$', representation_id) - media_template = re.sub(r'\$(Number|Bandwidth|Time)\$', r'%(\1)d', media_template) - media_template = re.sub(r'\$(Number|Bandwidth|Time)%([^$]+)\$', r'%(\1)\2', media_template) - media_template.replace('$$', '$') + def prepare_template(template_name, identifiers): + t = representation_ms_info[template_name] + t = t.replace('$RepresentationID$', representation_id) + t = re.sub(r'\$(%s)\$' % '|'.join(identifiers), r'%(\1)d', t) + t = re.sub(r'\$(%s)%%([^$]+)\$' % '|'.join(identifiers), r'%(\1)\2', t) + t.replace('$$', '$') + return t + + # @initialization is a regular template like @media one + # so it should be handled just the same way (see + # https://github.com/rg3/youtube-dl/issues/11605) + if 'initialization' in representation_ms_info: + initialization_template = prepare_template( + 'initialization', + # As per [1, 5.3.9.4.2, Table 15, page 54] $Number$ and + # $Time$ shall not be included for @initialization thus + # only $Bandwidth$ remains + ('Bandwidth', )) + representation_ms_info['initialization_url'] = initialization_template % { + 'Bandwidth': bandwidth, + } + + if 'segment_urls' not in representation_ms_info and 'media' in representation_ms_info: + + media_template = prepare_template('media', ('Number', 'Bandwidth', 'Time')) # As per [1, 5.3.9.4.4, Table 16, page 55] $Number$ and $Time$ # can't be used at the same time @@ -1710,7 +1743,7 @@ class InfoExtractor(object): representation_ms_info['fragments'] = [{ 'url': media_template % { 'Number': segment_number, - 'Bandwidth': int_or_none(representation_attrib.get('bandwidth')), + 'Bandwidth': bandwidth, }, 'duration': segment_duration, } for segment_number in range( @@ -1728,7 +1761,7 @@ class InfoExtractor(object): def add_segment_url(): segment_url = media_template % { 'Time': segment_time, - 'Bandwidth': int_or_none(representation_attrib.get('bandwidth')), + 'Bandwidth': bandwidth, 'Number': segment_number, } representation_ms_info['fragments'].append({ @@ -1751,14 +1784,16 @@ class InfoExtractor(object): # Example: https://www.youtube.com/watch?v=iXZV5uAYMJI # or any YouTube dashsegments video fragments = [] - s_num = 0 - for segment_url in representation_ms_info['segment_urls']: - s = representation_ms_info['s'][s_num] + segment_index = 0 + timescale = representation_ms_info['timescale'] + for s in representation_ms_info['s']: + duration = float_or_none(s['d'], timescale) for r in range(s.get('r', 0) + 1): fragments.append({ - 'url': segment_url, - 'duration': float_or_none(s['d'], representation_ms_info['timescale']), + 'url': representation_ms_info['segment_urls'][segment_index], + 'duration': duration, }) + segment_index += 1 representation_ms_info['fragments'] = fragments # NB: MPD manifest may contain direct URLs to unfragmented media. # No fragments key is present in this case. @@ -1768,13 +1803,13 @@ class InfoExtractor(object): 'protocol': 'http_dash_segments', }) if 'initialization_url' in representation_ms_info: - initialization_url = representation_ms_info['initialization_url'].replace('$RepresentationID$', representation_id) + initialization_url = representation_ms_info['initialization_url'] if not f.get('url'): f['url'] = initialization_url f['fragments'].append({'url': initialization_url}) f['fragments'].extend(representation_ms_info['fragments']) for fragment in f['fragments']: - fragment['url'] = combine_url(base_url, fragment['url']) + fragment['url'] = urljoin(base_url, fragment['url']) try: existing_format = next( fo for fo in formats @@ -1888,7 +1923,7 @@ class InfoExtractor(object): }) return formats - def _parse_html5_media_entries(self, base_url, webpage, video_id, m3u8_id=None, m3u8_entry_protocol='m3u8'): + def _parse_html5_media_entries(self, base_url, webpage, video_id, m3u8_id=None, m3u8_entry_protocol='m3u8', mpd_id=None): def absolute_url(video_url): return compat_urlparse.urljoin(base_url, video_url) @@ -1905,11 +1940,16 @@ class InfoExtractor(object): def _media_formats(src, cur_media_type): full_url = absolute_url(src) - if determine_ext(full_url) == 'm3u8': + ext = determine_ext(full_url) + if ext == 'm3u8': is_plain_url = False formats = self._extract_m3u8_formats( full_url, video_id, ext='mp4', entry_protocol=m3u8_entry_protocol, m3u8_id=m3u8_id) + elif ext == 'mpd': + is_plain_url = False + formats = self._extract_mpd_formats( + full_url, video_id, mpd_id=mpd_id) else: is_plain_url = True formats = [{ @@ -1922,7 +1962,12 @@ class InfoExtractor(object): media_tags = [(media_tag, media_type, '') for media_tag, media_type in re.findall(r'(?s)(<(video|audio)[^>]*/>)', webpage)] - media_tags.extend(re.findall(r'(?s)(<(?Pvideo|audio)[^>]*>)(.*?)', webpage)) + media_tags.extend(re.findall( + # We only allow video|audio followed by a whitespace or '>'. + # Allowing more characters may end up in significant slow down (see + # https://github.com/rg3/youtube-dl/issues/11979, example URL: + # http://www.porntrex.com/maps/videositemap.xml). + r'(?s)(<(?Pvideo|audio)(?:\s+[^>]*)?>)(.*?)', webpage)) for media_tag, media_type, media_content in media_tags: media_info = { 'formats': [], @@ -1962,10 +2007,13 @@ class InfoExtractor(object): entries.append(media_info) return entries - def _extract_akamai_formats(self, manifest_url, video_id): + def _extract_akamai_formats(self, manifest_url, video_id, hosts={}): formats = [] hdcore_sign = 'hdcore=3.7.0' - f4m_url = re.sub(r'(https?://.+?)/i/', r'\1/z/', manifest_url).replace('/master.m3u8', '/manifest.f4m') + f4m_url = re.sub(r'(https?://[^/+])/i/', r'\1/z/', manifest_url).replace('/master.m3u8', '/manifest.f4m') + hds_host = hosts.get('hds') + if hds_host: + f4m_url = re.sub(r'(https?://)[^/]+', r'\1' + hds_host, f4m_url) if 'hdcore=' not in f4m_url: f4m_url += ('&' if '?' in f4m_url else '?') + hdcore_sign f4m_formats = self._extract_f4m_formats( @@ -1973,7 +2021,10 @@ class InfoExtractor(object): for entry in f4m_formats: entry.update({'extra_param_to_segment_url': hdcore_sign}) formats.extend(f4m_formats) - m3u8_url = re.sub(r'(https?://.+?)/z/', r'\1/i/', manifest_url).replace('/manifest.f4m', '/master.m3u8') + m3u8_url = re.sub(r'(https?://[^/]+)/z/', r'\1/i/', manifest_url).replace('/manifest.f4m', '/master.m3u8') + hls_host = hosts.get('hls') + if hls_host: + m3u8_url = re.sub(r'(https?://)[^/]+', r'\1' + hls_host, m3u8_url) formats.extend(self._extract_m3u8_formats( m3u8_url, video_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False))