YouTube video downloader, supporting 1080p, 720p, 480p, MP4, WebM, m4a, etc, support subtitle download (.srt .ass .vtt .lrc, etc), can be customized to download video, audio or composite video. (Based on y2b.123345.xyz, there is no need to jump, as shown in the figure below)
< Отзив за 【已失效】YouTube Downloader (support video, audio, subtitle download)
Youtube-dl + FFmpeg
参考：https://github.com/develon2015/Youtube-dl-REST
好的，谢谢
老哥，能不能说一下这个脚本的音频和视频的合并方法？