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#2: Post edited by user avatar Quasímodo‭ · 2021-09-02T18:03:51Z (9 months ago)
  • I routinely use MPV for that.
  • mpv av://v4l2:/dev/video0
  • You may need to try other devices, as listed by `ls /dev/video*`.
  • I routinely use **MPV** for that.
  • mpv --profile=low-latency --untimed av://v4l2:/dev/video0
  • You may need to try other devices, as listed by `ls /dev/video*`.
  • Thanks to Canina for suggesting the two --options, necessary to avoid latency.
  • I also found [Arch Linux: Webcam setup: Applications](https://wiki.archlinux.org/title/Webcam_setup#Applications), which lists several alternatives, such as **Xawtv**, **VLC** and **Mplayer**. [**Ffmpeg**](https://wiki.archlinux.org/title/FFmpeg#Recording_webcam) is also listed there, but it does not fit the requirements of this question because apparently it cannot display the feed at the same time it records.
#1: Initial revision by user avatar Quasímodo‭ · 2021-08-28T18:56:16Z (9 months ago)
I routinely use MPV for that.

    mpv av://v4l2:/dev/video0

You may need to try other devices, as listed by `ls /dev/video*`.