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I have been trying to play a video on the frame buffer with ffmpeg. In theory this

ffmpeg -i /dev/video0 -pix_fmt bgra -f fbdev /dev/fb0

I get errors like

[fbdev @ 0xfcb380] Pixel format bgra is not supported, use rgb565le
av_interleaved_write_frame(): Invalid argument

or Interlace errors when I use rgb565le.

Confusingly when I try to read from the framebuffer, I get a screenshot of incorrect resolution which looks like a blank tty.

sudo ffmpeg -f fbdev -framerate 1 -i /dev/fb0 -frames:v 1 screenAA3.jpeg

I am running on a RPi4 with latest buster build. I have had issues with graphical packages not working with the post vulkan driver, could that be the issue?

1
  • What is the output from running fbset ?
    – Mark Setchell
    Commented Apr 7, 2023 at 15:56
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