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[hls] Warn user when trying to download live HLS 

We do not automatically switch to ffmpeg because the detection is not 100% accurate
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pukkandan 2022-06-26 04:10:04 +05:30
parent 30d22d775b
commit bbae437723
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1 changed files with 9 additions and 3 deletions
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12
yt_dlp/downloader/hls.py
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@ -61,12 +61,18 @@ class HlsFD(FragmentFD):
s = urlh.read().decode('utf-8', 'ignore') s = urlh.read().decode('utf-8', 'ignore')
can_download, message = self.can_download(s, info_dict, self.params.get('allow_unplayable_formats')), None can_download, message = self.can_download(s, info_dict, self.params.get('allow_unplayable_formats')), None
if can_download and not Cryptodome_AES and '#EXT-X-KEY:METHOD=AES-128' in s: if can_download:
if FFmpegFD.available(): has_ffmpeg = FFmpegFD.available()
no_crypto = not Cryptodome_AES and '#EXT-X-KEY:METHOD=AES-128' in s
if no_crypto and has_ffmpeg:
can_download, message = False, 'The stream has AES-128 encryption and pycryptodomex is not available' can_download, message = False, 'The stream has AES-128 encryption and pycryptodomex is not available'
else: elif no_crypto:
message = ('The stream has AES-128 encryption and neither ffmpeg nor pycryptodomex are available; ' message = ('The stream has AES-128 encryption and neither ffmpeg nor pycryptodomex are available; '
'Decryption will be performed natively, but will be extremely slow') '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: if not can_download:
has_drm = re.search('|'.join([ has_drm = re.search('|'.join([
r'#EXT-X-FAXS-CM:', # Adobe Flash Access r'#EXT-X-FAXS-CM:', # Adobe Flash Access