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libcamera: request: Add a ControlList

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Provide a ControlList on request objects to facilitate setting controls.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Kieran Bingham 2019-06-20 14:01:38 +01:00 • committed by Laurent Pinchart
parent 0adc13ff76
commit b69ea51c7c
2 changed files with 20 additions and 1 deletions
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3
include/libcamera/request.h
View file

@ -10,6 +10,7 @@
#include <map>
#include <unordered_set>
#include <libcamera/controls.h>
#include <libcamera/signal.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_;

18
src/libcamera/request.cpp
View file

@ -48,10 +48,26 @@ 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
*
* Requests store a list of controls to be applied to all frames captured for
* the request. They are created with an empty list of controls that can be
* accessed through this method and updated with ControlList::operator[]() or
* ControlList::update().
*
* Only controls supported by the camera to which this request will be
* submitted shall be included in the controls list. Attempting to add an
* unsupported control causes undefined behaviour.
*
* \return A reference to the ControlList in this request
*/
/**
* \fn Request::buffers()
* \brief Retrieve the request's streams to buffers map