[libcamera-devel,v2,09/24] libcamera: controls: Store reference to the InfoMap

2305 diff mbox series

From: Jacopo Mondi <jacopo@jmondi.org>

Store a reference to the ControlInfoMap used to create a ControlList and
provide an operation to retrieve it. This will be used to implement
serialization of ControlList.

Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
---
 include/libcamera/controls.h |  4 ++++
 src/libcamera/controls.cpp   | 16 +++++++++++++---
 2 files changed, 17 insertions(+), 3 deletions(-)

Hi Jacopo,

Thanks for your work.

On 2019-11-08 22:53:54 +0200, Laurent Pinchart wrote:
> From: Jacopo Mondi <jacopo@jmondi.org>
> 
> Store a reference to the ControlInfoMap used to create a ControlList and
> provide an operation to retrieve it. This will be used to implement
> serialization of ControlList.
> 
> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>

Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>

> ---
>  include/libcamera/controls.h |  4 ++++
>  src/libcamera/controls.cpp   | 16 +++++++++++++---
>  2 files changed, 17 insertions(+), 3 deletions(-)
> 
> diff --git a/include/libcamera/controls.h b/include/libcamera/controls.h
> index b35e006bc046..baca684444a7 100644
> --- a/include/libcamera/controls.h
> +++ b/include/libcamera/controls.h
> @@ -232,12 +232,16 @@ public:
>  	const ControlValue &get(unsigned int id) const;
>  	void set(unsigned int id, const ControlValue &value);
>  
> +	const ControlInfoMap *infoMap() const { return infoMap_; }
> +
>  private:
>  	const ControlValue *find(unsigned int id) const;
>  	ControlValue *find(unsigned int id);
>  
>  	ControlValidator *validator_;
>  	const ControlIdMap *idmap_;
> +	const ControlInfoMap *infoMap_;
> +
>  	ControlListMap controls_;
>  };
>  
> diff --git a/src/libcamera/controls.cpp b/src/libcamera/controls.cpp
> index 178ce3d99bce..eae0250a92e3 100644
> --- a/src/libcamera/controls.cpp
> +++ b/src/libcamera/controls.cpp
> @@ -595,7 +595,7 @@ void ControlInfoMap::generateIdmap()
>   * be used directly by application.
>   */
>  ControlList::ControlList()
> -	: validator_(nullptr), idmap_(nullptr)
> +	: validator_(nullptr), idmap_(nullptr), infoMap_(nullptr)
>  {
>  }
>  
> @@ -609,7 +609,7 @@ ControlList::ControlList()
>   * argument.
>   */
>  ControlList::ControlList(const ControlIdMap &idmap, ControlValidator *validator)
> -	: validator_(validator), idmap_(&idmap)
> +	: validator_(validator), idmap_(&idmap), infoMap_(nullptr)
>  {
>  }
>  
> @@ -619,7 +619,7 @@ ControlList::ControlList(const ControlIdMap &idmap, ControlValidator *validator)
>   * \param[in] validator The validator (may be null)
>   */
>  ControlList::ControlList(const ControlInfoMap &info, ControlValidator *validator)
> -	: validator_(validator), idmap_(&info.idmap())
> +	: validator_(validator), idmap_(&info.idmap()), infoMap_(&info)
>  {
>  }
>  
> @@ -769,6 +769,16 @@ void ControlList::set(unsigned int id, const ControlValue &value)
>  	*val = value;
>  }
>  
> +/**
> + * \fn ControlList::infoMap()
> + * \brief Retrieve the ControlInfoMap used to construct the ControlList
> + *
> + * \return The ControlInfoMap used to construct the ControlList. ControlList
> + * instances constructed with ControlList() or
> + * ControlList(const ControlIdMap &idmap, ControlValidator *validator) have no
> + * associated ControlInfoMap, nullptr is returned in that case.
> + */
> +
>  const ControlValue *ControlList::find(unsigned int id) const
>  {
>  	const auto iter = controls_.find(id);
> -- 
> Regards,
> 
> Laurent Pinchart
> 
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