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Graphics, sound and multimedia • FFmpeg and v4l2m2m on the Raspberry Pi 5: "Could not find a valid device"

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Hi there,

Trying to use FFmpeg along with MPV on the Pi5, I get this when I try to enforce the v4l2m2m decoder:

Code:

 (+) Video --vid=1 (*) (h264 1920x816 23.976fps) (+) Audio --aid=1 --alang=kor (*) (aac 2ch 44100Hz)File tags: Title: Castaway.on.the.Moon.2009.BluRay.1080p.5.1CH.x264-SmallAndHD[ffmpeg/video] h264_v4l2m2m: Could not find a valid device[ffmpeg/video] h264_v4l2m2m: can't configure decoder                                                                                             Could not open codec.
My ffmpeg version was build from:

Code:

git clone --depth 1 https://github.com/jc-kynesim/rpi-ffmpeg.git -b release/5.1/main
..which I believe is where the Raspberry Pi OS ffmpeg version comes from, too.

I believe this worked right on the Pi4.

Doesn't the Pi5 support v4l2m2m? This is VERY puzzling indeed.

Statistics: Posted by Vanfanel — Tue Jan 23, 2024 9:20 pm



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