tool for playing with Raspberry Pi Global Shutter Camera crop values

GScrop

#!/bin/bash
# shellcheck disable=SC2154
# (silence shellcheck wrt $cam1 environment variable)
if [[ $# -lt 4 ]];  then  echo "Format: [narrow=1] [cam1=1] $0 width height framerate ms [us]"; exit;  fi
if [[ "$(( $1 % 2 ))" -eq 1 ]];  then echo "width has to be even"; exit;  fi
if [[ "$(( $2 % 2 ))" -eq 1 ]];  then echo "height has to be even"; exit;  fi
export SHTR=""; if [[ $# -gt 4 ]]; then SHTR="--shutter"; fi
export workaround=""; if [[ "" != "$(grep '=bookworm' /etc/os-release)" ]]; then workaround="--no-raw"; fi
export d=10; if [[ "" != "$(grep "Revision.*: ...17.$" /proc/cpuinfo)" ]]; then if [[ "$cam1" == "" ]]; then d=6; else d=4; fi; fi
for((m=0; m<=5; ++m))
do
    if  media-ctl -d "/dev/media$m" --set-v4l2 "'imx296 $d-001a':0 [fmt:SBGGR10_1X10/${1}x$2 crop:($(( (1440 - $1) / 2 )),$(( (1088 - $2) / 2 )))/${1}x$2]" >/dev/null;  then  echo -e "/dev/media$m\n"; break;  fi
done
libcamera-hello --list-cameras  ;echo
rm -f /dev/shm/tst.pts
if [[ "" != "$(grep "Revision.*: ...17.$" /proc/cpuinfo)" ]]
then
  rpicam-vid "$workaround" ${cam1:+--camera 1} --width "$1" --height "$2" --denoise cdn_off --framerate "$3" -t "$4" "$SHTR" "$5" -o /dev/shm/tst${cam1:+1}.mp4 -n  ;echo 
  ~/venv/bin/python ~/rpicam-apps/utils/timestamp.py --plot ${narrow:+--narrow} /dev/shm/tst${cam1:+1}.mp4
else
  libcamera-vid "$workaround" --width "$1" --height "$2" --denoise cdn_off --framerate "$3" --save-pts /dev/shm/tst.pts -t "$4" "$SHTR" "$5" -o /dev/shm/tst.h264 -n  ;echo 
  rm -f tstamps.csv && ptsanalyze /dev/shm/tst.pts
fi

Revision 11 clean again:

pi@raspberrypi5:~ $ shellcheck /usr/local/bin/GScrop 
pi@raspberrypi5:~ $ 

Planned for GScrop use, with …
https://www.printables.com/model/790362-dual-raspberry-gshq-camera-holdermount-and-stand

… unsynchronized sofar simple stereo recording:
https://forums.raspberrypi.com/viewtopic.php?p=2202634#p2202634

GScrop revision 12 errors out on odd width or odd height.
Reason is that recording with those values would error out later anyway:

pi@raspberrypi5:~ $ shellcheck /usr/local/bin/GScrop 
pi@raspberrypi5:~ $ GScrop 689 137 400 2000
width has to be even
pi@raspberrypi5:~ $ GScrop 688 137 400 2000
height has to be even
pi@raspberrypi5:~ $ GScrop 688 136 400 2000
/dev/media3
...
[libx264 @ 0x5555eb9feda0] kb/s:1342.94

Total: 790 frames (789 samples)
Average: 2.489 ms / 401.784 fps
Minimum: 2.480 ms at frame 696
Maximum: 2.498 ms at frame 695
Outliers: 0 (100%) 0 (10.0%) 0 (1.0%) 53 (0.1%)
pi@raspberrypi5:~ $