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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2021, Google Inc.
*
* camera.h - Camera private data
*/
#pragma once
#include <atomic>
#include <list>
#include <memory>
#include <set>
#include <string>
#include <libcamera/base/class.h>
#include <libcamera/camera.h>
namespace libcamera {
class CameraControlValidator;
class PipelineHandler;
class Stream;
class Camera::Private : public Extensible::Private
{
LIBCAMERA_DECLARE_PUBLIC(Camera)
public:
Private(PipelineHandler *pipe);
~Private();
PipelineHandler *pipe() { return pipe_.get(); }
std::list<Request *> queuedRequests_;
ControlInfoMap controlInfo_;
ControlList properties_;
uint32_t requestSequence_;
const CameraControlValidator *validator() const { return validator_.get(); }
private:
enum State {
CameraAvailable,
CameraAcquired,
CameraConfigured,
CameraStopping,
CameraRunning,
};
bool isAcquired() const;
bool isRunning() const;
int isAccessAllowed(State state, bool allowDisconnected = false,
const char *from = __builtin_FUNCTION()) const;
int isAccessAllowed(State low, State high,
bool allowDisconnected = false,
const char *from = __builtin_FUNCTION()) const;
void disconnect();
void setState(State state);
std::shared_ptr<PipelineHandler> pipe_;
std::string id_;
std::set<Stream *> streams_;
std::set<const Stream *> activeStreams_;
bool disconnected_;
std::atomic<State> state_;
std::unique_ptr<CameraControlValidator> validator_;
};
} /* namespace libcamera */
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