Incorrect color with Raspberry Pi Global Shutter camera

[vipermn]

My Raspberry Pi Global Shutter camera (imx296) connected to a Raspberry Pi 5 running Ubuntu 24.04 is showing incorrect colors.

I have it pretty well documented in this issue on the camera_ros repo along with fix attempts recommended by Christian:
christianrauch/camera_ros#168

Also, I just got the latest version of libcamera and the issue is still happening.

Your help is appreciated!

[naushir]

Are you able to test this out with a standard Raspberry Pi OS installation?

[vipermn]

I just retested on an updated/upgraded Trixie. The colors are correctly displayed in the resulting output file.

 rpicam-hello --list-cameras
Available cameras
-----------------
0 : imx296 [1456x1088 10-bit RGGB] (/base/axi/pcie@1000120000/rp1/i2c@88000/imx296@1a)
    Modes: 'SRGGB10_CSI2P' : 1456x1088 [60.38 fps - (0, 0)/1456x1088 crop]

rpicam-still --zsl -o test4.jpg
[0:08:17.032254808] [1555]  INFO Camera camera_manager.cpp:340 libcamera v0.7.0+rpt20260205
[0:08:17.045339127] [1558]  INFO RPI pisp.cpp:720 libpisp version v1.4.0 23-03-2026 (13:29:05)
[0:08:17.060532426] [1558]  INFO IPAProxy ipa_proxy.cpp:180 Using tuning file /usr/share/libcamera/ipa/rpi/pisp/imx296.json
[0:08:17.071227100] [1558]  INFO Camera camera_manager.cpp:223 Adding camera '/base/axi/pcie@1000120000/rp1/i2c@88000/imx296@1a' for pipeline handler rpi/pisp
[0:08:17.071378544] [1558]  INFO RPI pisp.cpp:1181 Registered camera /base/axi/pcie@1000120000/rp1/i2c@88000/imx296@1a to CFE device /dev/media0 and ISP device /dev/media2 using PiSP variant BCM2712_D0
Made X/EGL preview window
Made DRM preview window
Preview window unavailable
Mode selection for 1456:1088:12:P
    SRGGB10_CSI2P,1456x1088/0 - Score: 1000
Stream configuration adjusted
[0:08:17.261720953] [1555]  INFO Camera camera.cpp:1215 configuring streams: (0) 1456x1088-YUV420/sYCC (1) 728x544-YUV420/sYCC (2) 1456x1088-BGGR_PISP_COMP1/RAW
[0:08:17.261857768] [1558]  INFO RPI pisp.cpp:1485 Sensor: /base/axi/pcie@1000120000/rp1/i2c@88000/imx296@1a - Selected sensor format: 1456x1088-SBGGR10_1X10/RAW - Selected CFE format: 1456x1088-PC1B/RAW
#7 (0.00 fps) exp 49999.00 ag 2.07 dg 1.01
#8 (19.98 fps) exp 49999.00 ag 2.07 dg 1.01
.....

[vipermn]

Also, I just pulled the latest main branch from this repo and compiled on Trixie. The colors are displaying as expected.

tom@pi5-trixie-ros2:~/libcamera $ cam -c 1 -C -S
[6:17:01.955088148] [12225]  INFO Camera camera_manager.cpp:340 libcamera v0.7.1+rpt20260429+dirty (2026-05-08T16:51:40CDT)
[6:17:01.968408639] [12228]  INFO RPI pisp.cpp:720 libpisp version v1.3.0 9ba67e6680f0 08-05-2026 (19:18:53)
[6:17:01.972839760] [12228]  INFO IPAProxy ipa_proxy.cpp:184 Using tuning file /usr/local/share/libcamera/ipa/rpi/pisp/imx296.json
[6:17:01.984359662] [12228]  INFO Camera camera_manager.cpp:223 Adding camera '/base/axi/pcie@1000120000/rp1/i2c@88000/imx296@1a' for pipeline handler rpi/pisp
[6:17:01.984412328] [12228]  INFO RPI pisp.cpp:1181 Registered camera /base/axi/pcie@1000120000/rp1/i2c@88000/imx296@1a to CFE device /dev/media0 and ISP device /dev/media2 using PiSP variant BCM2712_D0
Using camera /base/axi/pcie@1000120000/rp1/i2c@88000/imx296@1a as cam0
[6:17:01.984884198] [12225]  INFO Camera camera.cpp:1216 configuring streams: (0) 800x600-XRGB8888/sRGB
[6:17:01.985000883] [12228]  INFO RPI pisp.cpp:1485 Sensor: /base/axi/pcie@1000120000/rp1/i2c@88000/imx296@1a - Selected sensor format: 1456x1088-SBGGR10_1X10/RAW - Selected CFE format: 1456x1088-PC1B/RAW
cam0: Capture until user interrupts by SIGINT
22623.572150 (0.00 fps) cam0-stream0 seq: 000000 bytesused: 1920000
22623.605526 (29.96 fps) cam0-stream0 seq: 000001 bytesused: 1920000

[naushir]

I just retested on an updated/upgraded Trixie. The colors are correctly displayed in the resulting output file.

I assume you mean Raspberry Pi OS Trixie here?