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====== Edge-2L MIPI camera usage ======


===== Linux =====

All camera interfaces on the Edge-2L support 4K@60fps recording.

==== Video node ====


You can find the video nodes from the table below.

|        ^  Video Node    ^
^  CAM1  |  /dev/video22  |
^  CAM2  |  /dev/video31  |

==== Record video with gstreamer ====


Record video from ''CAM2'':

```shell
gst-launch-1.0 v4l2src device=/dev/video31 io-mode=dmabuf min-buffers=64 num-buffers=300 ! video/x-raw,format=NV12,width=3840,height=2160,framerate=30/1 ! mpph264enc ! h264parse ! qtmux ! filesink location=/tmp/video31.mp4
```

Record video from ''CAM1'':

```shell
gst-launch-1.0 v4l2src device=/dev/video22 io-mode=dmabuf min-buffers=64 num-buffers=300 ! video/x-raw,format=NV12,width=3840,height=2160,framerate=30/1 ! mpph264enc ! h264parse ! qtmux ! filesink location=/tmp/video22.mp4
```

==== Capture frame with V4L2 utils ====

Follow the steps below to install ''v4l-utils'':

```shell
sudo apt update
sudo apt install v4l-utils
```

Capture frame from ''CAM2'':

```shell
v4l2-ctl -d /dev/video31 --set-fmt-video=width=3840,height=2160,pixelformat=NV12 --stream-mmap=3 --stream-skip=3 --stream-to=/tmp/data31.yuv --stream-count=1 --stream-poll
```

Capture frame from ''CAM1'':

```shell
v4l2-ctl -d /dev/video22 --set-fmt-video=width=3840,height=2160,pixelformat=NV12 --stream-mmap=3 --stream-skip=3 --stream-to=/tmp/data22.yuv --stream-count=1 --stream-poll
```


Preview the captured file:

```shell
$ ffplay -f rawvideo -pixel_format nv12 -video_size 3840x2160 /tmp/dataXX.yuv

```

==== Camera interfaces performance ====

<tabbox IMX415>
  * Connect one camera separately:

|    ^    frame rate    ^ 
^  CAM1  |       4K@60fps        |
^  CAM2  |       4K@60fps        |


  * Connect two cameras simultaneously:

|    ^   frame rate     ^
^  CAM1  |       4K@60fps        |
^  CAM2  |       4K@60fps        |

<tabbox OS08A10>
  * Connect one camera separately:

|    ^    frame rate    ^ 
^  CAM1  |       4K@60fps        |
^  CAM2  |       4K@60fps        |


  * Connect two cameras simultaneously:

|    ^   frame rate     ^
^  CAM1  |       4K@60fps        |
^  CAM2  |       4K@60fps        |

<tabbox IMX585>
  * Connect one camera separately:

|    ^    frame rate    ^ 
^  CAM1  |       4K@60fps        |
^  CAM2  |       4K@60fps        |


  * Connect two cameras simultaneously:

|    ^   frame rate     ^
^  CAM1  |       4K@60fps        |
^  CAM2  |       4K@60fps        |


<tabbox IMX678>
  * Connect one camera separately:

|    ^    frame rate    ^ 
^  CAM1  |       4K@60fps        |
^  CAM2  |       4K@60fps        |


  * Connect two cameras simultaneously:

|    ^   frame rate     ^
^  CAM1  |       4K@60fps        |
^  CAM2  |       4K@60fps        |

</tabbox>

===== Android =====

WIP: