'maybe' if the format may have DRM and has to be tested before download.
* extra_param_to_segment_url A query string to append to each
fragment's URL, or to update each existing query string
- with. Only applied by the native HLS/DASH downloaders.
+ with. If it is an HLS stream with an AES-128 decryption key,
+ the query paramaters will be passed to the key URI as well,
+ unless there is an `extra_param_to_key_url` given,
+ or unless an external key URI is provided via `hls_aes`.
+ Only applied by the native HLS/DASH downloaders.
+ * extra_param_to_key_url A query string to append to the URL
+ of the format's HLS AES-128 decryption key.
+ Only applied by the native HLS downloader.
* hls_aes A dictionary of HLS AES-128 decryption information
used by the native HLS downloader to override the
values in the media playlist when an '#EXT-X-KEY' tag
'quality': quality,
'has_drm': has_drm,
}
+
+ # YouTube-specific
+ if yt_audio_content_id := last_stream_inf.get('YT-EXT-AUDIO-CONTENT-ID'):
+ f['language'] = yt_audio_content_id.split('.')[0]
+
resolution = last_stream_inf.get('RESOLUTION')
if resolution:
mobj = re.search(r'(?P<width>\d+)[xX](?P<height>\d+)', resolution)