[libcamera-devel] [PATCH v3 07/14] libcamera: request: Add a ControlList

[Jacopo Mondi]

Hi Laurent, Kieran,

On Mon, Jul 01, 2019 at 02:38:10AM +0300, Laurent Pinchart wrote:
> From: Kieran Bingham <kieran.bingham at ideasonboard.com>
>
> Provide a ControlList on request objects to facilitate setting controls.
>
> Signed-off-by: Kieran Bingham <kieran.bingham at ideasonboard.com>
> ---
>  include/libcamera/request.h |  3 +++
>  src/libcamera/request.cpp   | 15 ++++++++++++++-
>  2 files changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/include/libcamera/request.h b/include/libcamera/request.h
> index 58de6f00a554..8075270a9a12 100644
> --- a/include/libcamera/request.h
> +++ b/include/libcamera/request.h
> @@ -11,6 +11,7 @@
>  #include <unordered_set>
>
>  #include <libcamera/signal.h>
> +#include <libcamera/controls.h>
>
>  namespace libcamera {
>
> @@ -32,6 +33,7 @@ public:
>  	Request(const Request &) = delete;
>  	Request &operator=(const Request &) = delete;
>
> +	ControlList &controls() { return controls_; }
>  	const std::map<Stream *, Buffer *> &buffers() const { return bufferMap_; }
>  	int setBuffers(const std::map<Stream *, Buffer *> &streamMap);
>  	Buffer *findBuffer(Stream *stream) const;
> @@ -50,6 +52,7 @@ private:
>  	bool completeBuffer(Buffer *buffer);
>
>  	Camera *camera_;
> +	ControlList controls_;
>  	std::map<Stream *, Buffer *> bufferMap_;
>  	std::unordered_set<Buffer *> pending_;
>
> diff --git a/src/libcamera/request.cpp b/src/libcamera/request.cpp
> index fa3ee46da440..7d91e7f900fe 100644
> --- a/src/libcamera/request.cpp
> +++ b/src/libcamera/request.cpp
> @@ -48,10 +48,20 @@ LOG_DEFINE_CATEGORY(Request)
>   * \param[in] camera The camera that creates the request
>   */
>  Request::Request(Camera *camera)
> -	: camera_(camera), status_(RequestPending)
> +	: camera_(camera), controls_(camera), status_(RequestPending)
>  {
>  }
>
> +/**
> + * \fn Request::controls()
> + * \brief Retrieve the request's ControlList
> + *
> + * Return a reference to the ControlList that stores all the controls relevant
> + * to this request.
> + *
> + * \return A reference to the ControlList in this request
> + */
> +
>  /**
>   * \fn Request::buffers()
>   * \brief Retrieve the request's streams to buffers map
> @@ -158,6 +168,9 @@ void Request::complete(Status status)
>  {
>  	ASSERT(!hasPendingBuffers());
>  	status_ = status;
> +
> +	/* Controls are 'per-frame' and not re-usable */
> +	controls_.clear();

I then assume there will be a 'result' list that contains the metadata
associated with this request?

Thanks
   j

>  }
>
>  /**
> --
> Regards,
>
> Laurent Pinchart
>
> _______________________________________________
> libcamera-devel mailing list
> libcamera-devel at lists.libcamera.org
> https://lists.libcamera.org/listinfo/libcamera-devel
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