yt_dlp/YoutubeDL.py

@@ -2375,15 +2375,6 @@ class YoutubeDL:
         if (info_dict.get('duration') or 0) <= 0 and info_dict.pop('duration', None):
             self.report_warning('"duration" field is negative, there is an error in extractor')
 
-        chapters = info_dict.get('chapters') or []
-        dummy_chapter = {'end_time': 0, 'start_time': info_dict.get('duration')}
-        for prev, current, next_ in zip(
-                (dummy_chapter, *chapters), chapters, (*chapters[1:], dummy_chapter)):
-            if current.get('start_time') is None:
-                current['start_time'] = prev.get('end_time')
-            if not current.get('end_time'):
-                current['end_time'] = next_.get('start_time')
-
         if 'playlist' not in info_dict:
             # It isn't part of a playlist
             info_dict['playlist'] = None

yt_dlp/downloader/hls.py

@@ -61,18 +61,12 @@ class HlsFD(FragmentFD):
         s = urlh.read().decode('utf-8', 'ignore')
 
         can_download, message = self.can_download(s, info_dict, self.params.get('allow_unplayable_formats')), None
-        if can_download:
-            has_ffmpeg = FFmpegFD.available()
-            no_crypto = not Cryptodome_AES and '#EXT-X-KEY:METHOD=AES-128' in s
-            if no_crypto and has_ffmpeg:
+        if can_download and not Cryptodome_AES and '#EXT-X-KEY:METHOD=AES-128' in s:
+            if FFmpegFD.available():
                 can_download, message = False, 'The stream has AES-128 encryption and pycryptodomex is not available'
-            elif no_crypto:
+            else:
                 message = ('The stream has AES-128 encryption and neither ffmpeg nor pycryptodomex are available; '
                            'Decryption will be performed natively, but will be extremely slow')
-            elif re.search(r'#EXT-X-MEDIA-SEQUENCE:(?!0$)', s):
-                install_ffmpeg = '' if has_ffmpeg else 'install ffmpeg and '
-                message = ('Live HLS streams are not supported by the native downloader. If this is a livestream, '
-                           f'please {install_ffmpeg}add "--downloader ffmpeg --hls-use-mpegts" to your command')
         if not can_download:
             has_drm = re.search('|'.join([
                 r'#EXT-X-FAXS-CM:',  # Adobe Flash Access

yt_dlp/extractor/cwtv.py

@@ -91,5 +91,4 @@ class CWTVIE(InfoExtractor):
             'timestamp': parse_iso8601(video_data.get('start_time')),
             'age_limit': parse_age_limit(video_data.get('rating')),
             'ie_key': 'ThePlatform',
-            'thumbnail': video_data.get('large_thumbnail')
         }