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[fd/hls] Do not fall back to ffmpeg when native is required (#13655)

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Authored by: bashonly
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bashonly 2025-07-06 17:14:22 -05:00 committed by GitHub
parent 0e68332bcb
commit a7113722ec
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1 changed files with 13 additions and 6 deletions
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19
yt_dlp/downloader/hls.py
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@ -94,12 +94,19 @@ class HlsFD(FragmentFD):
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:
can_download, message = False, 'The stream has AES-128 encryption and pycryptodomex is not available'
elif no_crypto:
message = ('The stream has AES-128 encryption and neither ffmpeg nor pycryptodomex are available; '
'Decryption will be performed natively, but will be extremely slow')
if not Cryptodome.AES and '#EXT-X-KEY:METHOD=AES-128' in s:
# Even if pycryptodomex isn't available, force HlsFD for m3u8s that won't work with ffmpeg
ffmpeg_can_dl = not traverse_obj(info_dict, ((
'extra_param_to_segment_url', 'extra_param_to_key_url',
'hls_media_playlist_data', ('hls_aes', ('uri', 'key', 'iv')),
), any))
message = 'The stream has AES-128 encryption and {} available'.format(
'neither ffmpeg nor pycryptodomex are' if ffmpeg_can_dl and not has_ffmpeg else
'pycryptodomex is not')
if has_ffmpeg and ffmpeg_can_dl:
can_download = False
else:
message += '; decryption will be performed natively, but will be extremely slow'
elif info_dict.get('extractor_key') == 'Generic' and re.search(r'(?m)#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, '