b9bf9514eb
Extend the Camera class to expose the controls it supports. Each pipeline should generate a list of controls supported by each camera it creates. These are represented by a ControlInfoMap, and an associated ControlList of default values. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
134 lines
2.7 KiB
C++
134 lines
2.7 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
|
|
/*
|
|
* Copyright (C) 2018, Google Inc.
|
|
*
|
|
* camera.h - Camera object interface
|
|
*/
|
|
#ifndef __LIBCAMERA_CAMERA_H__
|
|
#define __LIBCAMERA_CAMERA_H__
|
|
|
|
#include <map>
|
|
#include <memory>
|
|
#include <set>
|
|
#include <string>
|
|
|
|
#include <libcamera/controls.h>
|
|
#include <libcamera/request.h>
|
|
#include <libcamera/signal.h>
|
|
#include <libcamera/stream.h>
|
|
|
|
namespace libcamera {
|
|
|
|
class Buffer;
|
|
class PipelineHandler;
|
|
class Request;
|
|
|
|
class CameraConfiguration
|
|
{
|
|
public:
|
|
enum Status {
|
|
Valid,
|
|
Adjusted,
|
|
Invalid,
|
|
};
|
|
|
|
using iterator = std::vector<StreamConfiguration>::iterator;
|
|
using const_iterator = std::vector<StreamConfiguration>::const_iterator;
|
|
|
|
virtual ~CameraConfiguration();
|
|
|
|
void addConfiguration(const StreamConfiguration &cfg);
|
|
virtual Status validate() = 0;
|
|
|
|
StreamConfiguration &at(unsigned int index);
|
|
const StreamConfiguration &at(unsigned int index) const;
|
|
StreamConfiguration &operator[](unsigned int index)
|
|
{
|
|
return at(index);
|
|
}
|
|
const StreamConfiguration &operator[](unsigned int index) const
|
|
{
|
|
return at(index);
|
|
}
|
|
|
|
iterator begin();
|
|
const_iterator begin() const;
|
|
iterator end();
|
|
const_iterator end() const;
|
|
|
|
bool empty() const;
|
|
std::size_t size() const;
|
|
|
|
protected:
|
|
CameraConfiguration();
|
|
|
|
std::vector<StreamConfiguration> config_;
|
|
};
|
|
|
|
class Camera final : public std::enable_shared_from_this<Camera>
|
|
{
|
|
public:
|
|
static std::shared_ptr<Camera> create(PipelineHandler *pipe,
|
|
const std::string &name,
|
|
const std::set<Stream *> &streams);
|
|
|
|
Camera(const Camera &) = delete;
|
|
Camera &operator=(const Camera &) = delete;
|
|
|
|
const std::string &name() const;
|
|
|
|
Signal<Request *, Buffer *> bufferCompleted;
|
|
Signal<Request *, const std::map<Stream *, Buffer *> &> requestCompleted;
|
|
Signal<Camera *> disconnected;
|
|
|
|
int acquire();
|
|
int release();
|
|
|
|
const ControlInfoMap &controls();
|
|
|
|
const std::set<Stream *> &streams() const;
|
|
std::unique_ptr<CameraConfiguration> generateConfiguration(const StreamRoles &roles);
|
|
int configure(CameraConfiguration *config);
|
|
|
|
int allocateBuffers();
|
|
int freeBuffers();
|
|
|
|
Request *createRequest();
|
|
int queueRequest(Request *request);
|
|
|
|
int start();
|
|
int stop();
|
|
|
|
private:
|
|
enum State {
|
|
CameraAvailable,
|
|
CameraAcquired,
|
|
CameraConfigured,
|
|
CameraPrepared,
|
|
CameraRunning,
|
|
};
|
|
|
|
Camera(PipelineHandler *pipe, const std::string &name);
|
|
~Camera();
|
|
|
|
bool stateBetween(State low, State high) const;
|
|
bool stateIs(State state) const;
|
|
|
|
friend class PipelineHandler;
|
|
void disconnect();
|
|
|
|
void requestComplete(Request *request);
|
|
|
|
std::shared_ptr<PipelineHandler> pipe_;
|
|
std::string name_;
|
|
std::set<Stream *> streams_;
|
|
std::set<Stream *> activeStreams_;
|
|
|
|
bool disconnected_;
|
|
State state_;
|
|
};
|
|
|
|
} /* namespace libcamera */
|
|
|
|
#endif /* __LIBCAMERA_CAMERA_H__ */
|