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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.sys.raspberry-pi
Subject: Re: Can a USB camera drive a display directly with no X/Wayland GUI?
Date: Sun, 20 Jul 2025 23:44:51 -0000 (UTC)
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On 21 Jul 2025 09:14:30 +1000, Computer Nerd Kev wrote:

> I'm not sure about Ffplay ...

    ldo@theon:~> ffplay -devices

    ... configuration/version details snipped ...

    Devices:
     D. = Demuxing supported
     .E = Muxing supported
     ---
     DE alsa            ALSA audio output
      E caca            caca (color ASCII art) output device
     DE fbdev           Linux framebuffer
     D  kmsgrab         KMS screen capture
     D  lavfi           Libavfilter virtual input device
     DE oss             OSS (Open Sound System) playback
      E sdl,sdl2        SDL2 output device
     DE sndio           sndio audio playback
     DE video4linux2,v4l2 Video4Linux2 output device
     D  x11grab         X11 screen capture, using XCB
      E xv              XV (XVideo) output device

So certainly possible, with the right build options.