[libcamera-devel] [PATCH v3 4/8] libcamera: v4l2_subdevice: Update crop/compose rectangle

Kieran Bingham kieran.bingham at ideasonboard.com
Wed Feb 27 00:35:16 CET 2019


Hi Jacopo,

On 26/02/2019 16:26, Jacopo Mondi wrote:
> Update the crop/compose rectangle provided to setCrop()/setCompose()
> methods with the rectangle sizes set by the device driver after a
> S_SELECTION ioctl operation.
> 
> Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
> ---
>  src/libcamera/v4l2_subdevice.cpp | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/src/libcamera/v4l2_subdevice.cpp b/src/libcamera/v4l2_subdevice.cpp
> index f81a521f9e2a..a043a07ff156 100644
> --- a/src/libcamera/v4l2_subdevice.cpp
> +++ b/src/libcamera/v4l2_subdevice.cpp
> @@ -385,6 +385,11 @@ int V4L2Subdevice::setSelection(unsigned int pad, unsigned int target,
>  		return ret;
>  	}
>  
> +	rect->y = sel.r.left;
> +	rect->x = sel.r.top;

Hrm... am I crazy? or are the x/y coordinates swapped there.
X is horizontal, so it's the left value, right? (pun-intended).


Same comment applies to the sel being set earlier in the function?



> +	rect->w = sel.r.width;
> +	rect->h = sel.r.height;
> +
>  	return 0;
>  }
>  
> 

-- 
Regards
--
Kieran


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