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Add udev rule to run gstreamer plugin as user. #9

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Add udev rule to run gstreamer plugin as user. #9

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1 change: 1 addition & 0 deletions 70-ipu6-psys.rules
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
ACTION=="add", SUBSYSTEM=="intel-ipu6-psys", MODE="0660", GROUP="video"
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26 changes: 19 additions & 7 deletions README.md
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Expand Up @@ -30,39 +30,51 @@ make rpm
rpm -ivh --force --nodeps icamerasrc-*.rpm
```

## User permission via udev rule
To use the gstreamer plugin as a user, you need RW access to `/dev/ipu-psys0`. This can be done by
by changing its permissions via udev rule. You will also need to add your user to the `video` group.

```sh
sudo cp 70-ipu6-psys.rules /usr/lib/udev/rules.d/
sudo udevadm control --reload
sudo usermod -g -G video $USER
```
**NOTE:** If the user is currently logged in, they will need to log out and log in again for the
change to take effect.

## Pipeline examples
* Ensure `${GST_PLUGIN_PATH}` includes icamerasrc installation path
* Testpattern generator (no sensor)
```
sudo -E gst-launch-1.0 icamerasrc device-name=tpg_ipu6 ! video/x-raw,format=YUY2,width=1280,height=720 ! videoconvert ! ximagesink
gst-launch-1.0 icamerasrc device-name=tpg_ipu6 ! video/x-raw,format=YUY2,width=1280,height=720 ! videoconvert ! ximagesink
```

* For laptops with 11th Gen Intel Core Procesors (with ov01a1s/hm11b1 sensor):
```
sudo -E gst-launch-1.0 icamerasrc buffer-count=7 ! video/x-raw,format=YUY2,width=1280,height=720 ! videoconvert ! ximagesink
gst-launch-1.0 icamerasrc buffer-count=7 ! video/x-raw,format=YUY2,width=1280,height=720 ! videoconvert ! ximagesink
```

* For laptops with 12th/13th Gen Intel Core Procesors (with ov01a10/ov02c10/ov2740/hm2170/hi556 sensor):
```
sudo -E gst-launch-1.0 icamerasrc buffer-count=7 ! video/x-raw,format=NV12,width=1280,height=720 ! videoconvert ! ximagesink
gst-launch-1.0 icamerasrc buffer-count=7 ! video/x-raw,format=NV12,width=1280,height=720 ! videoconvert ! ximagesink
```

* Sensor ov8856
```
sudo -E gst-launch-1.0 icamerasrc device-name=ov8856-wf af-mode=2 ! video/x-raw,format=YUY2,width=1280,height=720 ! videoconvert ! ximagesink
gst-launch-1.0 icamerasrc device-name=ov8856-wf af-mode=2 ! video/x-raw,format=YUY2,width=1280,height=720 ! videoconvert ! ximagesink
```

* Sensor ov13b10
```
sudo -E gst-launch-1.0 icamerasrc device-name=ov13b10-wf af-mode=2 ! video/x-raw,format=NV12,width=1280,height=720 ! videoconvert ! ximagesink
gst-launch-1.0 icamerasrc device-name=ov13b10-wf af-mode=2 ! video/x-raw,format=NV12,width=1280,height=720 ! videoconvert ! ximagesink
```

* Sensor ov13858
```
sudo -E gst-launch-1.0 icamerasrc device-name=ov13858-uf af-mode=2 ! video/x-raw,format=NV12,width=1280,height=720 ! videoconvert ! ximagesink
gst-launch-1.0 icamerasrc device-name=ov13858-uf af-mode=2 ! video/x-raw,format=NV12,width=1280,height=720 ! videoconvert ! ximagesink
```

* Sensor ar0234
```
sudo -E gst-launch-1.0 icamerasrc device-name=ar0234 ! video/x-raw,format=NV12,width=1280,height=960 ! videoconvert ! glimagesink
gst-launch-1.0 icamerasrc device-name=ar0234 ! video/x-raw,format=NV12,width=1280,height=960 ! videoconvert ! glimagesink
```