Files
external_libcamera/include/libcamera/camera.h
Niklas Söderlund f7ddfd4517 libcamera: camera: Remove explicit stream to buffer map in requestCompleted signal
The stream to buffer map in the requestCompleted signal is taken
directly from the request which is part of the same signal. Remove the
map as it can be fetched directly from the request.

Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-11-19 18:30:26 +01:00

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 <memory>
#include <set>
#include <stdint.h>
#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 *> 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(uint64_t cookie = 0);
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__ */