mirror of https://github.com/yt-dlp/yt-dlp.git
[panopto] Improve subtitle extraction and support slides (#3009)
Related: #1946, #2908 Authored-by: coletdjnz
This commit is contained in:
coletdev
GitHub
parent
a2e77303e3
commit
e6552207da
|
|
@ -18,12 +18,39 @@ from ..utils import (
|
|||
int_or_none,
|
||||
OnDemandPagedList,
|
||||
parse_qs,
|
||||
srt_subtitles_timecode,
|
||||
traverse_obj,
|
||||
)
|
||||
|
||||
|
||||
class PanoptoBaseIE(InfoExtractor):
|
||||
BASE_URL_RE = r'(?P<base_url>https?://[\w.]+\.panopto.(?:com|eu)/Panopto)'
|
||||
BASE_URL_RE = r'(?P<base_url>https?://[\w.-]+\.panopto.(?:com|eu)/Panopto)'
|
||||
|
||||
# see panopto core.js
|
||||
_SUB_LANG_MAPPING = {
|
||||
0: 'en-US',
|
||||
1: 'en-GB',
|
||||
2: 'es-MX',
|
||||
3: 'es-ES',
|
||||
4: 'de-DE',
|
||||
5: 'fr-FR',
|
||||
6: 'nl-NL',
|
||||
7: 'th-TH',
|
||||
8: 'zh-CN',
|
||||
9: 'zh-TW',
|
||||
10: 'ko-KR',
|
||||
11: 'ja-JP',
|
||||
12: 'ru-RU',
|
||||
13: 'pt-PT',
|
||||
14: 'pl-PL',
|
||||
15: 'en-AU',
|
||||
16: 'da-DK',
|
||||
17: 'fi-FI',
|
||||
18: 'hu-HU',
|
||||
19: 'nb-NO',
|
||||
20: 'sv-SE',
|
||||
21: 'it-IT'
|
||||
}
|
||||
|
||||
def _call_api(self, base_url, path, video_id, data=None, fatal=True, **kwargs):
|
||||
response = self._download_json(
|
||||
|
|
@ -31,7 +58,7 @@ class PanoptoBaseIE(InfoExtractor):
|
|||
fatal=fatal, headers={'accept': 'application/json', 'content-type': 'application/json'}, **kwargs)
|
||||
if not response:
|
||||
return
|
||||
error_code = response.get('ErrorCode')
|
||||
error_code = traverse_obj(response, 'ErrorCode')
|
||||
if error_code == 2:
|
||||
self.raise_login_required(method='cookies')
|
||||
elif error_code is not None:
|
||||
|
|
@ -62,10 +89,11 @@ class PanoptoIE(PanoptoBaseIE):
|
|||
'id': '26b3ae9e-4a48-4dcc-96ba-0befba08a0fb',
|
||||
'title': 'Panopto for Business - Use Cases',
|
||||
'timestamp': 1459184200,
|
||||
'thumbnail': r're:https://demo\.hosted\.panopto\.com/Panopto/Services/FrameGrabber\.svc/FrameRedirect\?objectId=26b3ae9e-4a48-4dcc-96ba-0befba08a0fb&mode=Delivery&random=[\d.]+',
|
||||
'thumbnail': r're:https://demo\.hosted\.panopto\.com/.+',
|
||||
'upload_date': '20160328',
|
||||
'ext': 'mp4',
|
||||
'cast': [],
|
||||
'chapters': [],
|
||||
'duration': 88.17099999999999,
|
||||
'average_rating': int,
|
||||
'uploader_id': '2db6b718-47a0-4b0b-9e17-ab0b00f42b1e',
|
||||
|
|
@ -80,10 +108,10 @@ class PanoptoIE(PanoptoBaseIE):
|
|||
'title': 'Overcoming Top 4 Challenges of Enterprise Video',
|
||||
'uploader': 'Panopto Support',
|
||||
'timestamp': 1449409251,
|
||||
'thumbnail': r're:https://demo\.hosted\.panopto\.com/Panopto/Services/FrameGrabber\.svc/FrameRedirect\?objectId=ed01b077-c9e5-4c7b-b8ff-15fa306d7a59&mode=Delivery&random=[\d.]+',
|
||||
'thumbnail': r're:https://demo\.hosted\.panopto\.com/.+',
|
||||
'upload_date': '20151206',
|
||||
'ext': 'mp4',
|
||||
'chapters': 'count:21',
|
||||
'chapters': 'count:12',
|
||||
'cast': ['Panopto Support'],
|
||||
'uploader_id': 'a96d1a31-b4de-489b-9eee-b4a5b414372c',
|
||||
'average_rating': int,
|
||||
|
|
@ -104,8 +132,9 @@ class PanoptoIE(PanoptoBaseIE):
|
|||
'uploader_id': '316a0a58-7fa2-4cd9-be1c-64270d284a56',
|
||||
'timestamp': 1569845768,
|
||||
'tags': ['Viewer', 'Enterprise'],
|
||||
'chapters': [],
|
||||
'upload_date': '20190930',
|
||||
'thumbnail': r're:https://howtovideos\.hosted\.panopto\.com/Panopto/Services/FrameGrabber.svc/FrameRedirect\?objectId=5fa74e93-3d87-4694-b60e-aaa4012214ed&mode=Delivery&random=[\d.]+',
|
||||
'thumbnail': r're:https://howtovideos\.hosted\.panopto\.com/.+',
|
||||
'description': 'md5:2d844aaa1b1a14ad0e2601a0993b431f',
|
||||
'title': 'Getting Started: View a Video',
|
||||
'average_rating': int,
|
||||
|
|
@ -121,6 +150,7 @@ class PanoptoIE(PanoptoBaseIE):
|
|||
'id': '9d9a0fa3-e99a-4ebd-a281-aac2017f4da4',
|
||||
'ext': 'mp4',
|
||||
'cast': ['LTS CLI Script'],
|
||||
'chapters': [],
|
||||
'duration': 2178.45,
|
||||
'description': 'md5:ee5cf653919f55b72bce2dbcf829c9fa',
|
||||
'channel_id': 'b23e673f-c287-4cb1-8344-aae9005a69f8',
|
||||
|
|
@ -129,11 +159,77 @@ class PanoptoIE(PanoptoBaseIE):
|
|||
'uploader': 'LTS CLI Script',
|
||||
'timestamp': 1572458134,
|
||||
'title': 'WW2 Vets Interview 3 Ronald Stanley George',
|
||||
'thumbnail': r're:https://unisa\.au\.panopto\.com/Panopto/Services/FrameGrabber.svc/FrameRedirect\?objectId=9d9a0fa3-e99a-4ebd-a281-aac2017f4da4&mode=Delivery&random=[\d.]+',
|
||||
'thumbnail': r're:https://unisa\.au\.panopto\.com/.+',
|
||||
'channel': 'World War II Veteran Interviews',
|
||||
'upload_date': '20191030',
|
||||
},
|
||||
},
|
||||
{
|
||||
# Slides/storyboard
|
||||
'url': 'https://demo.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=a7f12f1d-3872-4310-84b0-f8d8ab15326b',
|
||||
'info_dict': {
|
||||
'id': 'a7f12f1d-3872-4310-84b0-f8d8ab15326b',
|
||||
'ext': 'mhtml',
|
||||
'timestamp': 1448798857,
|
||||
'duration': 4712.681,
|
||||
'title': 'Cache Memory - CompSci 15-213, Lecture 12',
|
||||
'channel_id': 'e4c6a2fc-1214-4ca0-8fb7-aef2e29ff63a',
|
||||
'uploader_id': 'a96d1a31-b4de-489b-9eee-b4a5b414372c',
|
||||
'upload_date': '20151129',
|
||||
'average_rating': 0,
|
||||
'uploader': 'Panopto Support',
|
||||
'channel': 'Showcase Videos',
|
||||
'description': 'md5:55e51d54233ddb0e6c2ed388ca73822c',
|
||||
'cast': ['ISR Videographer', 'Panopto Support'],
|
||||
'chapters': 'count:28',
|
||||
'thumbnail': r're:https://demo\.hosted\.panopto\.com/.+',
|
||||
},
|
||||
'params': {'format': 'mhtml', 'skip_download': True}
|
||||
},
|
||||
{
|
||||
'url': 'https://na-training-1.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=8285224a-9a2b-4957-84f2-acb0000c4ea9',
|
||||
'info_dict': {
|
||||
'id': '8285224a-9a2b-4957-84f2-acb0000c4ea9',
|
||||
'ext': 'mp4',
|
||||
'chapters': [],
|
||||
'title': 'Company Policy',
|
||||
'average_rating': 0,
|
||||
'timestamp': 1615058901,
|
||||
'channel': 'Human Resources',
|
||||
'tags': ['HumanResources'],
|
||||
'duration': 1604.243,
|
||||
'thumbnail': r're:https://na-training-1\.hosted\.panopto\.com/.+',
|
||||
'uploader_id': '8e8ba0a3-424f-40df-a4f1-ab3a01375103',
|
||||
'uploader': 'Cait M.',
|
||||
'upload_date': '20210306',
|
||||
'cast': ['Cait M.'],
|
||||
'subtitles': {'en-US': [{'ext': 'srt', 'data': 'md5:a3f4d25963fdeace838f327097c13265'}],
|
||||
'es-ES': [{'ext': 'srt', 'data': 'md5:57e9dad365fd0fbaf0468eac4949f189'}]},
|
||||
},
|
||||
'params': {'writesubtitles': True, 'skip_download': True}
|
||||
}, {
|
||||
# On Panopto there are two subs: "Default" and en-US. en-US is blank and should be skipped.
|
||||
'url': 'https://na-training-1.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=940cbd41-f616-4a45-b13e-aaf1000c915b',
|
||||
'info_dict': {
|
||||
'id': '940cbd41-f616-4a45-b13e-aaf1000c915b',
|
||||
'ext': 'mp4',
|
||||
'subtitles': 'count:1',
|
||||
'title': 'HR Benefits Review Meeting*',
|
||||
'cast': ['Panopto Support'],
|
||||
'chapters': [],
|
||||
'timestamp': 1575024251,
|
||||
'thumbnail': r're:https://na-training-1\.hosted\.panopto\.com/.+',
|
||||
'channel': 'Zoom',
|
||||
'description': 'md5:04f90a9c2c68b7828144abfb170f0106',
|
||||
'uploader': 'Panopto Support',
|
||||
'average_rating': 0,
|
||||
'duration': 409.34499999999997,
|
||||
'uploader_id': 'b6ac04ad-38b8-4724-a004-a851004ea3df',
|
||||
'upload_date': '20191129',
|
||||
|
||||
},
|
||||
'params': {'writesubtitles': True, 'skip_download': True}
|
||||
},
|
||||
{
|
||||
'url': 'https://ucc.cloud.panopto.eu/Panopto/Pages/Viewer.aspx?id=0e8484a4-4ceb-4d98-a63f-ac0200b455cb',
|
||||
'only_matching': True
|
||||
|
|
@ -178,19 +274,82 @@ class PanoptoIE(PanoptoBaseIE):
|
|||
note='Marking watched', errnote='Unable to mark watched')
|
||||
|
||||
@staticmethod
|
||||
def _extract_chapters(delivery):
|
||||
def _extract_chapters(timestamps):
|
||||
chapters = []
|
||||
for timestamp in delivery.get('Timestamps', []):
|
||||
for timestamp in timestamps or []:
|
||||
caption = timestamp.get('Caption')
|
||||
start, duration = int_or_none(timestamp.get('Time')), int_or_none(timestamp.get('Duration'))
|
||||
if start is None or duration is None:
|
||||
if not caption or start is None or duration is None:
|
||||
continue
|
||||
chapters.append({
|
||||
'start_time': start,
|
||||
'end_time': start + duration,
|
||||
'title': timestamp.get('Caption')
|
||||
'title': caption
|
||||
})
|
||||
return chapters
|
||||
|
||||
@staticmethod
|
||||
def _extract_mhtml_formats(base_url, timestamps):
|
||||
image_frags = {}
|
||||
for timestamp in timestamps or []:
|
||||
duration = timestamp.get('Duration')
|
||||
obj_id, obj_sn = timestamp.get('ObjectIdentifier'), timestamp.get('ObjectSequenceNumber'),
|
||||
if timestamp.get('EventTargetType') == 'PowerPoint' and obj_id is not None and obj_sn is not None:
|
||||
image_frags.setdefault('slides', []).append({
|
||||
'url': base_url + f'/Pages/Viewer/Image.aspx?id={obj_id}&number={obj_sn}',
|
||||
'duration': duration
|
||||
})
|
||||
|
||||
obj_pid, session_id, abs_time = timestamp.get('ObjectPublicIdentifier'), timestamp.get('SessionID'), timestamp.get('AbsoluteTime')
|
||||
if None not in (obj_pid, session_id, abs_time):
|
||||
image_frags.setdefault('chapter', []).append({
|
||||
'url': base_url + f'/Pages/Viewer/Thumb.aspx?eventTargetPID={obj_pid}&sessionPID={session_id}&number={obj_sn}&isPrimary=false&absoluteTime={abs_time}',
|
||||
'duration': duration,
|
||||
})
|
||||
for name, fragments in image_frags.items():
|
||||
yield {
|
||||
'format_id': name,
|
||||
'ext': 'mhtml',
|
||||
'protocol': 'mhtml',
|
||||
'acodec': 'none',
|
||||
'vcodec': 'none',
|
||||
'url': 'about:invalid',
|
||||
'fragments': fragments
|
||||
}
|
||||
|
||||
@staticmethod
|
||||
def _json2srt(data, delivery):
|
||||
def _gen_lines():
|
||||
for i, line in enumerate(data):
|
||||
start_time = line['Time']
|
||||
duration = line.get('Duration')
|
||||
if duration:
|
||||
end_time = start_time + duration
|
||||
else:
|
||||
end_time = traverse_obj(data, (i + 1, 'Time')) or delivery['Duration']
|
||||
yield f'{i + 1}\n{srt_subtitles_timecode(start_time)} --> {srt_subtitles_timecode(end_time)}\n{line["Caption"]}'
|
||||
return '\n\n'.join(_gen_lines())
|
||||
|
||||
def _get_subtitles(self, base_url, video_id, delivery):
|
||||
subtitles = {}
|
||||
for lang in delivery.get('AvailableLanguages') or []:
|
||||
response = self._call_api(
|
||||
base_url, '/Pages/Viewer/DeliveryInfo.aspx', video_id, fatal=False,
|
||||
note='Downloading captions JSON metadata', query={
|
||||
'deliveryId': video_id,
|
||||
'getCaptions': True,
|
||||
'language': str(lang),
|
||||
'responseType': 'json'
|
||||
}
|
||||
)
|
||||
if not isinstance(response, list):
|
||||
continue
|
||||
subtitles.setdefault(self._SUB_LANG_MAPPING.get(lang) or 'default', []).append({
|
||||
'ext': 'srt',
|
||||
'data': self._json2srt(response, delivery),
|
||||
})
|
||||
return subtitles
|
||||
|
||||
def _extract_streams_formats_and_subtitles(self, video_id, streams, **fmt_kwargs):
|
||||
formats = []
|
||||
subtitles = {}
|
||||
|
|
@ -240,6 +399,7 @@ class PanoptoIE(PanoptoBaseIE):
|
|||
|
||||
delivery = delivery_info['Delivery']
|
||||
session_start_time = int_or_none(delivery.get('SessionStartTime'))
|
||||
timestamps = delivery.get('Timestamps')
|
||||
|
||||
# Podcast stream is usually the combined streams. We will prefer that by default.
|
||||
podcast_formats, podcast_subtitles = self._extract_streams_formats_and_subtitles(
|
||||
|
|
@ -249,9 +409,11 @@ class PanoptoIE(PanoptoBaseIE):
|
|||
video_id, delivery.get('Streams'), preference=-10)
|
||||
|
||||
formats = podcast_formats + streams_formats
|
||||
subtitles = self._merge_subtitles(podcast_subtitles, streams_subtitles)
|
||||
self._sort_formats(formats)
|
||||
formats.extend(self._extract_mhtml_formats(base_url, timestamps))
|
||||
subtitles = self._merge_subtitles(
|
||||
podcast_subtitles, streams_subtitles, self.extract_subtitles(base_url, video_id, delivery))
|
||||
|
||||
self._sort_formats(formats)
|
||||
self.mark_watched(base_url, video_id, delivery_info)
|
||||
|
||||
return {
|
||||
|
|
@ -262,7 +424,7 @@ class PanoptoIE(PanoptoBaseIE):
|
|||
'duration': delivery.get('Duration'),
|
||||
'thumbnail': base_url + f'/Services/FrameGrabber.svc/FrameRedirect?objectId={video_id}&mode=Delivery&random={random()}',
|
||||
'average_rating': delivery.get('AverageRating'),
|
||||
'chapters': self._extract_chapters(delivery) or None,
|
||||
'chapters': self._extract_chapters(timestamps),
|
||||
'uploader': delivery.get('OwnerDisplayName') or None,
|
||||
'uploader_id': delivery.get('OwnerId'),
|
||||
'description': delivery.get('SessionAbstract'),
|
||||
|
|
|
|||
Loading…
Reference in New Issue