mirror of https://github.com/yt-dlp/yt-dlp.git
[extractor/slideslive] Fix slides and chapters/duration (#6024)
* Fix slides/thumbnails extraction * Extract duration to fix issues w/ `--embed-chapters`, `--split-chapters` * Add `InfoExtractor._extract_mpd_vod_duration` method * Expand applicability of `InfoExtractor._parse_m3u8_vod_duration` method Authored by: bashonly
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bashonly
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5ab3534d44
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@ -2180,13 +2180,23 @@ class InfoExtractor:
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return self._parse_m3u8_vod_duration(m3u8_vod or '', video_id)
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def _parse_m3u8_vod_duration(self, m3u8_vod, video_id):
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if '#EXT-X-PLAYLIST-TYPE:VOD' not in m3u8_vod:
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if '#EXT-X-ENDLIST' not in m3u8_vod:
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return None
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return int(sum(
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float(line[len('#EXTINF:'):].split(',')[0])
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for line in m3u8_vod.splitlines() if line.startswith('#EXTINF:'))) or None
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def _extract_mpd_vod_duration(
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self, mpd_url, video_id, note=None, errnote=None, data=None, headers={}, query={}):
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mpd_doc = self._download_xml(
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mpd_url, video_id,
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note='Downloading MPD VOD manifest' if note is None else note,
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errnote='Failed to download VOD manifest' if errnote is None else errnote,
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fatal=False, data=data, headers=headers, query=query) or {}
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return int_or_none(parse_duration(mpd_doc.get('mediaPresentationDuration')))
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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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@ -29,6 +29,7 @@ class SlidesLiveIE(InfoExtractor):
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'thumbnail': r're:^https?://.*\.jpg',
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'thumbnails': 'count:42',
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'chapters': 'count:41',
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'duration': 1638,
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},
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'params': {
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'skip_download': 'm3u8',
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@ -45,6 +46,7 @@ class SlidesLiveIE(InfoExtractor):
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'thumbnail': r're:^https?://.*\.(?:jpg|png)',
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'thumbnails': 'count:640',
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'chapters': 'count:639',
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'duration': 9832,
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},
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'params': {
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'skip_download': 'm3u8',
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@ -61,6 +63,7 @@ class SlidesLiveIE(InfoExtractor):
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'timestamp': 1643728135,
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'thumbnails': 'count:3',
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'chapters': 'count:2',
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'duration': 5889,
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},
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'params': {
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'skip_download': 'm3u8',
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@ -110,6 +113,7 @@ class SlidesLiveIE(InfoExtractor):
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'timestamp': 1629671508,
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'upload_date': '20210822',
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'chapters': 'count:7',
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'duration': 326,
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},
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'params': {
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'skip_download': 'm3u8',
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@ -126,6 +130,7 @@ class SlidesLiveIE(InfoExtractor):
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'timestamp': 1654714970,
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'upload_date': '20220608',
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'chapters': 'count:6',
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'duration': 171,
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},
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'params': {
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'skip_download': 'm3u8',
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@ -142,6 +147,7 @@ class SlidesLiveIE(InfoExtractor):
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'timestamp': 1622806321,
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'upload_date': '20210604',
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'chapters': 'count:15',
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'duration': 306,
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},
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'params': {
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'skip_download': 'm3u8',
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@ -158,6 +164,7 @@ class SlidesLiveIE(InfoExtractor):
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'timestamp': 1654714896,
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'upload_date': '20220608',
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'chapters': 'count:8',
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'duration': 295,
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},
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'params': {
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'skip_download': 'm3u8',
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@ -174,6 +181,7 @@ class SlidesLiveIE(InfoExtractor):
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'thumbnails': 'count:22',
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'upload_date': '20220608',
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'chapters': 'count:21',
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'duration': 294,
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},
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'params': {
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'skip_download': 'm3u8',
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@ -196,6 +204,7 @@ class SlidesLiveIE(InfoExtractor):
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'thumbnails': 'count:30',
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'upload_date': '20220608',
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'chapters': 'count:31',
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'duration': 272,
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},
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}, {
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'info_dict': {
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@ -237,6 +246,7 @@ class SlidesLiveIE(InfoExtractor):
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'thumbnails': 'count:43',
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'upload_date': '20220608',
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'chapters': 'count:43',
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'duration': 315,
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},
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}, {
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'info_dict': {
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@ -285,6 +295,23 @@ class SlidesLiveIE(InfoExtractor):
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'params': {
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'skip_download': 'm3u8',
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},
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}, {
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# /v3/ slides, .png only, service_name = yoda
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'url': 'https://slideslive.com/38983994',
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'info_dict': {
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'id': '38983994',
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'ext': 'mp4',
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'title': 'Zero-Shot AutoML with Pretrained Models',
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'timestamp': 1662384834,
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'upload_date': '20220905',
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'thumbnail': r're:^https?://.*\.(?:jpg|png)',
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'thumbnails': 'count:23',
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'chapters': 'count:22',
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'duration': 295,
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},
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'params': {
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'skip_download': 'm3u8',
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},
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}, {
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# service_name = yoda
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'url': 'https://slideslive.com/38903721/magic-a-scientific-resurrection-of-an-esoteric-legend',
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@ -311,6 +338,7 @@ class SlidesLiveIE(InfoExtractor):
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'timestamp': 1629671508,
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'upload_date': '20210822',
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'chapters': 'count:7',
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'duration': 326,
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},
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'params': {
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'skip_download': 'm3u8',
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@ -369,15 +397,28 @@ class SlidesLiveIE(InfoExtractor):
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return m3u8_dict
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def _extract_formats(self, cdn_hostname, path, video_id):
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formats = []
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formats.extend(self._extract_m3u8_formats(
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def _extract_formats_and_duration(self, cdn_hostname, path, video_id, skip_duration=False):
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formats, duration = [], None
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hls_formats = self._extract_m3u8_formats(
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f'https://{cdn_hostname}/{path}/master.m3u8',
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video_id, 'mp4', m3u8_id='hls', fatal=False, live=True))
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formats.extend(self._extract_mpd_formats(
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f'https://{cdn_hostname}/{path}/master.mpd',
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video_id, mpd_id='dash', fatal=False))
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return formats
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video_id, 'mp4', m3u8_id='hls', fatal=False, live=True)
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if hls_formats:
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if not skip_duration:
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duration = self._extract_m3u8_vod_duration(
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hls_formats[0]['url'], video_id, note='Extracting duration from HLS manifest')
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formats.extend(hls_formats)
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dash_formats = self._extract_mpd_formats(
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f'https://{cdn_hostname}/{path}/master.mpd', video_id, mpd_id='dash', fatal=False)
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if dash_formats:
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if not duration and not skip_duration:
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duration = self._extract_mpd_vod_duration(
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f'https://{cdn_hostname}/{path}/master.mpd', video_id,
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note='Extracting duration from DASH manifest')
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formats.extend(dash_formats)
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return formats, duration
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def _real_extract(self, url):
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video_id = self._match_id(url)
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@ -406,44 +447,42 @@ class SlidesLiveIE(InfoExtractor):
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assert service_name in ('url', 'yoda', 'vimeo', 'youtube')
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service_id = player_info['service_id']
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slides_info_url = None
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slides, slides_info = [], []
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slide_url_template = 'https://slides.slideslive.com/%s/slides/original/%s%s'
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slides, slides_info = {}, []
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if player_info.get('slides_json_url'):
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slides_info_url = player_info['slides_json_url']
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slides = traverse_obj(self._download_json(
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slides_info_url, video_id, fatal=False,
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note='Downloading slides JSON', errnote=False), 'slides', expected_type=list) or []
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for slide_id, slide in enumerate(slides, start=1):
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slides = self._download_json(
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player_info['slides_json_url'], video_id, fatal=False,
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note='Downloading slides JSON', errnote=False) or {}
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slide_ext_default = '.png'
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slide_quality = traverse_obj(slides, ('slide_qualities', 0))
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if slide_quality:
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slide_ext_default = '.jpg'
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slide_url_template = f'https://cdn.slideslive.com/data/presentations/%s/slides/{slide_quality}/%s%s'
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for slide_id, slide in enumerate(traverse_obj(slides, ('slides', ...), expected_type=dict), 1):
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slides_info.append((
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slide_id, traverse_obj(slide, ('image', 'name')),
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traverse_obj(slide, ('image', 'extname'), default=slide_ext_default),
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int_or_none(slide.get('time'), scale=1000)))
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if not slides and player_info.get('slides_xml_url'):
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slides_info_url = player_info['slides_xml_url']
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slides = self._download_xml(
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slides_info_url, video_id, fatal=False,
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player_info['slides_xml_url'], video_id, fatal=False,
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note='Downloading slides XML', errnote='Failed to download slides info')
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for slide_id, slide in enumerate(slides.findall('./slide'), start=1):
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slide_url_template = 'https://cdn.slideslive.com/data/presentations/%s/slides/big/%s%s'
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for slide_id, slide in enumerate(slides.findall('./slide') if slides else [], 1):
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slides_info.append((
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slide_id, xpath_text(slide, './slideName', 'name'),
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slide_id, xpath_text(slide, './slideName', 'name'), '.jpg',
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int_or_none(xpath_text(slide, './timeSec', 'time'))))
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slides_version = int(self._search_regex(
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r'https?://slides\.slideslive\.com/\d+/v(\d+)/\w+\.(?:json|xml)',
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slides_info_url, 'slides version', default=0))
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if slides_version < 4:
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slide_url_template = 'https://cdn.slideslive.com/data/presentations/%s/slides/big/%s.jpg'
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else:
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slide_url_template = 'https://slides.slideslive.com/%s/slides/original/%s.png'
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chapters, thumbnails = [], []
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if url_or_none(player_info.get('thumbnail')):
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thumbnails.append({'id': 'cover', 'url': player_info['thumbnail']})
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for slide_id, slide_path, start_time in slides_info:
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for slide_id, slide_path, slide_ext, start_time in slides_info:
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if slide_path:
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thumbnails.append({
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'id': f'{slide_id:03d}',
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'url': slide_url_template % (video_id, slide_path),
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'url': slide_url_template % (video_id, slide_path, slide_ext),
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})
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chapters.append({
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'title': f'Slide {slide_id:03d}',
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@ -473,7 +512,12 @@ class SlidesLiveIE(InfoExtractor):
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if service_name == 'url':
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info['url'] = service_id
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elif service_name == 'yoda':
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info['formats'] = self._extract_formats(player_info['video_servers'][0], service_id, video_id)
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formats, duration = self._extract_formats_and_duration(
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player_info['video_servers'][0], service_id, video_id)
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info.update({
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'duration': duration,
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'formats': formats,
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})
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else:
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info.update({
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'_type': 'url_transparent',
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@ -486,7 +530,7 @@ class SlidesLiveIE(InfoExtractor):
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f'https://player.vimeo.com/video/{service_id}',
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{'http_headers': {'Referer': url}})
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video_slides = traverse_obj(slides, (..., 'video', 'id'))
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video_slides = traverse_obj(slides, ('slides', ..., 'video', 'id'))
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if not video_slides:
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return info
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@ -500,7 +544,7 @@ class SlidesLiveIE(InfoExtractor):
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'videos': ','.join(video_slides),
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}, note='Downloading video slides info', errnote='Failed to download video slides info') or {}
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for slide_id, slide in enumerate(slides, 1):
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for slide_id, slide in enumerate(traverse_obj(slides, ('slides', ...)), 1):
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if not traverse_obj(slide, ('video', 'service')) == 'yoda':
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continue
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video_path = traverse_obj(slide, ('video', 'id'))
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@ -508,7 +552,8 @@ class SlidesLiveIE(InfoExtractor):
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video_path, 'video_servers', ...), get_all=False)
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if not cdn_hostname or not video_path:
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continue
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formats = self._extract_formats(cdn_hostname, video_path, video_id)
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formats, _ = self._extract_formats_and_duration(
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cdn_hostname, video_path, video_id, skip_duration=True)
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if not formats:
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continue
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yield {
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