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libcamera: camera: Handle camera objects through shared pointers

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The Camera class is explicitly reference-counted to manage the lifetime
of camera objects. Replace this open-coded implementation with usage of
the std::shared_ptr<> class.

This API change prevents pipeline handlers from subclassing the Camera
class. This isn't deemed to be an issue. Mark the class final to make
this explicit.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
This commit is contained in:
Laurent Pinchart 2019-01-17 16:23:25 +02:00
parent f3695e9b09
commit 21ff749a79
6 changed files with 54 additions and 45 deletions
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8
include/libcamera/camera_manager.h
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@ -24,10 +24,10 @@ public:
int start();
void stop();
const std::vector<Camera *> &cameras() const { return cameras_; }
Camera *get(const std::string &name);
const std::vector<std::shared_ptr<Camera>> &cameras() const { return cameras_; }
std::shared_ptr<Camera> get(const std::string &name);
void addCamera(Camera *camera);
void addCamera(std::shared_ptr<Camera> camera);
static CameraManager *instance();
@ -42,7 +42,7 @@ private:
std::unique_ptr<DeviceEnumerator> enumerator_;
std::vector<PipelineHandler *> pipes_;
std::vector<Camera *> cameras_;
std::vector<std::shared_ptr<Camera>> cameras_;
std::unique_ptr<EventDispatcher> dispatcher_;
};