you-get 选择清晰度 4k 2k 1080p

you-get -i url 查看视频的清晰度版本

$ you-get -i https://www.youtube.com/watch?v=9idUGWRfGfg
site:                YouTube
title:               中国铁路：Ceph在单集群1551个OSD下的挑战
streams:             # Available quality and codecs
    [ DASH ] ____________________________________
    - itag:          137
      container:     mp4
      quality:       1920x1080 (1080p)
      size:          490.9 MiB (514731619 bytes)
    # download-with: you-get --itag=137 [URL]

    - itag:          134
      container:     mp4
      quality:       640x360 (360p)
      size:          94.4 MiB (98976723 bytes)
    # download-with: you-get --itag=134 [URL]

    [ DEFAULT ] _________________________________
    - itag:          22
      container:     mp4
      quality:       hd720
      size:          273.1 MiB (286394174 bytes)
    # download-with: you-get --itag=22 [URL]

    - itag:          18
      container:     mp4
      quality:       medium
    # download-with: you-get --itag=18 [URL]

you-get -F 137 url 选择相应的版本。这里选择1080p

$ you-get -F 137 https://www.youtube.com/watch?v=9idUGWRfGfg
site:                YouTube
title:               中国铁路：Ceph在单集群1551个OSD下的挑战
stream:
    - itag:          137
      container:     mp4
      quality:       1920x1080 (1080p)
      size:          490.9 MiB (514731619 bytes)
    # download-with: you-get --itag=137 [URL]

Downloading 中国铁路：Ceph在单集群1551个OSD下的挑战.mp4 ...
 6.4% ( 31.5/490.9MB) ├████───────────────────────────────────────────────────┤[1/2]  201 kB/s