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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* request.h - Request class private data
*/
#ifndef __LIBCAMERA_INTERNAL_REQUEST_H__
#define __LIBCAMERA_INTERNAL_REQUEST_H__
#include <chrono>
#include <map>
#include <memory>
#include <libcamera/base/event_notifier.h>
#include <libcamera/base/timer.h>
#include <libcamera/request.h>
using namespace std::chrono_literals;
namespace libcamera {
class Camera;
class FrameBuffer;
class Request::Private : public Extensible::Private
{
LIBCAMERA_DECLARE_PUBLIC(Request)
public:
Private(Camera *camera);
~Private();
Camera *camera() const { return camera_; }
bool hasPendingBuffers() const;
bool completeBuffer(FrameBuffer *buffer);
void complete();
void cancel();
void reuse();
void prepare(std::chrono::milliseconds timeout = 0ms);
Signal<> prepared;
private:
friend class PipelineHandler;
friend std::ostream &operator<<(std::ostream &out, const Request &r);
void doCancelRequest();
void emitPrepareCompleted();
void notifierActivated(FrameBuffer *buffer);
void timeout();
Camera *camera_;
bool cancelled_;
uint32_t sequence_ = 0;
bool prepared_ = false;
std::unordered_set<FrameBuffer *> pending_;
std::map<FrameBuffer *, std::unique_ptr<EventNotifier>> notifiers_;
std::unique_ptr<Timer> timer_;
};
} /* namespace libcamera */
#endif /* __LIBCAMERA_INTERNAL_REQUEST_H__ */
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