Raspberry Pi | Legacy camera apps fail on Bookworm

[supertevran]

G_DIETPI_VERSION_CORE=8
G_DIETPI_VERSION_SUB=25
G_DIETPI_VERSION_RC=1
G_GITBRANCH='master'
G_GITOWNER='MichaIng'
bookworm 1
Linux Therme 6.1.21+ #1642 Mon Apr 3 17:19:14 BST 2023 armv6l GNU/Linux
RPi B (armv6l)
944f7361-e48c-4480-9b04-6f8c96ec6d09

Fresh Install. Pi Camera Module.
vcgencmd get_camera
supported=1 detected=1, libcamera interfaces=0
/dev/video0:
HDIO_GET_IDENTITY failed: Inappropriate ioctl for device

Unfortunately not working. Thx. for any help.
BTW: On this setup RPi Cam Control & motionEye NOT working as well - Unable to open Video Device

[MichaIng]

Indeed, with Bookworm, the legacy camera interface has been removed. See also here: https://dietpi.com/forum/t/mjpg-streamer-on-rpi0/18843

Can you try this:

G_AGP libraspberrypi-dev
/boot/dietpi/func/dietpi-set_hardware rpi-opengl vc4-kms-v3d
G_CONFIG_INJECT 'camera_auto_detect=' 'camera_auto_detect=1' /boot/config.txt
sed -i -e '/libraspberrypi-dev/d' -e '/input_raspicam.so/d' /boot/dietpi/dietpi-software
dietpi-software reinstall 137

This enables the modern KMS video and camera stack and compiles mjpg-streamer without the legacy RPi camera module support. Instead it will try to grab the stream from /dev/video0 with the normal UVC module. Let's see whether this works.

[supertevran]

Hi.Thx. for your reply. Unfortunately no change....

[MichaIng]

But vcgencmd get_camera should show now:

supported=1 detected=1, libcamera interfaces=1

(1 at the end), isn't it?

Generally to test the functionality of the camera with the modern driver stack, you can use this package and command:

apt install rpicam-apps-lite
rpicam-hello

[supertevran]

vcgencmd get_camera
supported=1 detected=0, libcamera interfaces=1
rpicam-hello
[15:07:33.786468000] [6565]  INFO Camera camera_manager.cpp:284 libcamera v0.1.0+118-563cd78e
[15:07:36.212857000] [6570]  WARN RPiSdn sdn.cpp:39 Using legacy SDN tuning - please consider moving SDN inside rpi.denoise
[15:07:36.238956000] [6570]  INFO RPI vc4.cpp:444 Registered camera /base/soc/i2c@7e804000/ov5647@36 to Unicam device /dev/media2 and ISP device /dev/media0
[15:07:36.241038000] [6570]  INFO RPI pipeline_base.cpp:1142 Using configuration file '/usr/share/libcamera/pipeline/rpi/vc4/rpi_apps.yaml'
Preview window unavailable
Mode selection for 1296:972:12:P
    SGBRG10_CSI2P,640x480/0 - Score: 3296
    SGBRG10_CSI2P,1296x972/0 - Score: 1000
    SGBRG10_CSI2P,1920x1080/0 - Score: 1349.67
    SGBRG10_CSI2P,2592x1944/0 - Score: 1567
Stream configuration adjusted
[15:07:36.393557000] [6565]  INFO Camera camera.cpp:1183 configuring streams: (0) 1296x972-YUV420 (1) 1296x972-SGBRG10_CSI2P
[15:07:36.397122000] [6570]  INFO RPI vc4.cpp:608 Sensor: /base/soc/i2c@7e804000/ov5647@36 - Selected sensor format: 1296x972-SGBRG10_1X10 - Selected unicam format: 1296x972-pGAA
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[MichaIng]

Seems to work. I guess you need to run this from within a desktop/X session to have an actual preview window show up, but the frames are collected successfully.

Interesting is this:

Unicam device /dev/media2 and ISP device /dev/media0

We were always looking for /dev/video* devices, but probably those /dev/media* devices need o be used.

But I was looking around a little more, and it seems that is not gonna work either, at least not without libcamerify, which I do not want to spend much time with for now.

But, there is a fork with libcamera support: https://github.com/ArduCAM/mjpg-streamer
Also discussed here: https://forums.raspberrypi.com/viewtopic.php?t=346053
Let me create a PR with this fork and its input_libcamera module compiled. This sounds promising.