requested
--max-quality FORMAT highest quality format to download
-F, --list-formats list all available formats (currently youtube only)
+ --write-srt write video closed captions to a .srt file
+ (currently youtube only)
+ --srt-lang LANG language of the closed captions to download
+ (optional) use IETF language tags like 'en'
### Authentication Options:
-u, --username USERNAME account username
### The links provided by youtube-dl -g are not working anymore
-The URLs youtube-dl outputs require the downloader to have the correct cookies. Use the `--cookies` option to write the required cookies into a file, and advise your downloader to read cookies from that file.
+The URLs youtube-dl outputs require the downloader to have the correct cookies. Use the `--cookies` option to write the required cookies into a file, and advise your downloader to read cookies from that file. Some sites also require a common user agent to be used, use `--dump-user-agent` to see the one in use by youtube-dl.
### ERROR: no fmt_url_map or conn information found in video info