Comment 110 for bug 1955383

Tried vicamo's ppa, it didn't work too.

https://launchpad.net/~vicamo/+archive/ubuntu/ppa-2031412

sudo apt install gstreamer1.0-icamera libgsticamerainterface-1.0-1

And reboot, then try the command (if you are in wayland session):

$ sudo -E gst-launch-1.0 icamerasrc buffer-count=7 ! video/x-raw,format=NV12,width=1280,height=720 ! videoconvert ! glimagesink
[08-30 02:46:41.958] CamHAL[INF] load_camera_hal_library, the library name: lib/x86_64-linux-gnu/libcamhal/pluginsipu6ep.so
[08-30 02:46:41.958] CamHAL[ERR] load_camera_hal_library, failed to open library: lib/x86_64-linux-gnu/libcamhal/pluginsipu6ep.so, error: lib/x86_
64-linux-gnu/libcamhal/pluginsipu6ep.so: cannot open shared object file: No such file or directory
[08-30 02:46:41.958] CamHAL[ERR] get_number_of_cameras, function call is nullptr
[08-30 02:46:41.958] CamHAL[ERR] get_number_of_cameras, function call is nullptr
[08-30 02:46:41.958] CamHAL[ERR] get_number_of_cameras, function call is nullptr

(gst-launch-1.0:3805): GLib-GObject-CRITICAL **: 02:46:41.958: g_param_spec_enum: assertion 'g_enum_get_value (enum_class, default_value) != NULL'
 failed

(gst-launch-1.0:3805): GLib-GObject-CRITICAL **: 02:46:41.958: validate_pspec_to_install: assertion 'G_IS_PARAM_SPEC (pspec)' failed

(gst-launch-1.0:3805): GLib-GObject-CRITICAL **: 02:46:41.958: g_param_spec_ref_sink: assertion 'G_IS_PARAM_SPEC (pspec)' failed

(gst-launch-1.0:3805): GLib-GObject-CRITICAL **: 02:46:41.958: g_param_spec_unref: assertion 'G_IS_PARAM_SPEC (pspec)' failed
[08-30 02:46:41.958] CamHAL[ERR] get_number_of_cameras, function call is nullptr
[08-30 02:46:41.958] CamHAL[ERR] get_number_of_cameras, function call is nullptr
WARNING: erroneous pipeline: could not link camerasrc0 to videoconvert0, camerasrc0 can't handle caps video/x-raw, format=(string)NV12, width=(int
)1280, height=(int)720