+ * 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.
+ * 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
+ is present in the playlist:
+ * uri The URI from which the key will be downloaded
+ * key The key (as hex) used to decrypt fragments.
+ If `key` is given, any key URI will be ignored
+ * iv The IV (as hex) used to decrypt fragments