[libcamera-devel] [PATCH 05/10] libcamera: ipu3: Register pipeline properties

Laurent Pinchart laurent.pinchart at ideasonboard.com
Mon Oct 12 03:05:10 CEST 2020


Hi Jacopo,

Thank you for the patch.

On Fri, Oct 09, 2020 at 02:20:56PM +0200, Jacopo Mondi wrote:
> Register three pipeline properties in the IPU3 pipeline handler:
> - properties::draft::PipelineMaxDepth
> - properties::draft::AvailableNoiseReductionModes
> - properties::draft::AvailableColorCorrectionAberrationModes
> - properties::draft::AvailableLensShadingMapModes
> 
> IPU3 reports a maximum of 3 processing stages: exposure, capture and
> ISP processing. It does not support noise reduction, color
> aberration and lens shading map modes.
> 
> Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
> ---
>  src/libcamera/pipeline/ipu3/ipu3.cpp | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp
> index f5a20d30fd03..f7ade2a6d5f3 100644
> --- a/src/libcamera/pipeline/ipu3/ipu3.cpp
> +++ b/src/libcamera/pipeline/ipu3/ipu3.cpp
> @@ -13,6 +13,7 @@
>  
>  #include <libcamera/camera.h>
>  #include <libcamera/formats.h>
> +#include <libcamera/property_ids.h>
>  #include <libcamera/request.h>
>  #include <libcamera/stream.h>
>  
> @@ -770,6 +771,13 @@ int PipelineHandlerIPU3::registerCameras()
>  
>  		/* Initialize the camera properties. */
>  		data->properties_ = cio2->sensor()->properties();
> +		data->properties_.set(properties::draft::PipelineMaxDepth, 3);
> +		data->properties_.set(properties::draft::AvailableNoiseReductionModes,
> +				      { static_cast<int32_t>(properties::draft::NoiseReductionModeOff) });
> +		data->properties_.set(properties::draft::AvailableColorCorrectionAberrationModes,
> +				      { static_cast<int32_t>(properties::draft::ColorCorrectionAberrationOff) });
> +		data->properties_.set(properties::draft::AvailableLensShadingMapModes,
> +				      { static_cast<int32_t>(properties::draft::LensShadingMapModeOff) });

When the only supported mode is off, how about not declaring the
property in the pipeline handler ? Otherwise that will be lots of
boilerplate code in pipeline handlers.

>  
>  		/**
>  		 * \todo Dynamically assign ImgU and output devices to each

-- 
Regards,

Laurent Pinchart


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