[libcamera-devel] [PATCH 0/5] libcamera: camera_sensor: Collect camera location and sizes

Laurent Pinchart laurent.pinchart at ideasonboard.com
Sat Aug 17 18:22:03 CEST 2019


Hi Jacopo,

Thank you for the patches.

On Sat, Aug 17, 2019 at 12:59:32PM +0200, Jacopo Mondi wrote:
> Hello, this small series add to the CameraSensor class informations on the
> camera sensor location, the pixel array size and the active area sizes.
> 
> The information are required to populate the Android static metadata:
> android.sensor.info.activeArraySize
> android.sensor.info.pixelArraySize
> 
> and the 'struct camera_info.facing' flag.
> 
> Now that information are collected in the CameraSensor class, a way to expose
> them through the Camera class is required. In example, adding the CameraSensor
> that a Camera uses to the Camera class and collects all its Property in a single
> properties vector might be the simplest way forward.
> 
> The series depends on the following kernel patch series:
> https://patchwork.kernel.org/project/linux-media/list/?series=161169
> https://patchwork.kernel.org/project/linux-media/list/?series=160901
> 
> Tested on IPU3 Soraka.
> 
> Jacopo Mondi (5):
>   [TEMP] include: linux: Update v4l2-controls.h
>   libcamera: controls: Add camera location control
>   libcamera: camera_sensor: Store the camera location
>   libcamera: v4l2_subdevice: Add G_SELECTION ioctl support
>   libcamera: camera_sensor: Retrieve sensor sizes

It would be nice to add a test for the new camera_sensor public methods.
This would require adding the location control to the vimc driver, but
that shouldn't be a big deal.

> 
>  include/libcamera/control_ids.h        |  7 ++++
>  include/linux/v4l2-controls.h          |  5 +++
>  src/libcamera/camera_sensor.cpp        | 39 +++++++++++++++++++++
>  src/libcamera/include/camera_sensor.h  |  5 +++
>  src/libcamera/include/v4l2_subdevice.h |  4 +++
>  src/libcamera/v4l2_subdevice.cpp       | 48 ++++++++++++++++++++++++++
>  6 files changed, 108 insertions(+)
> 

-- 
Regards,

Laurent Pinchart


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