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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* request.h - Capture request handling
*/
#pragma once
#include <map>
#include <memory>
#include <stdint.h>
#include <string>
#include <unordered_set>
#include <libcamera/base/class.h>
#include <libcamera/base/signal.h>
#include <libcamera/controls.h>
#include <libcamera/fence.h>
namespace libcamera {
class Camera;
class CameraControlValidator;
class FrameBuffer;
class Stream;
class Request : public Extensible
{
LIBCAMERA_DECLARE_PRIVATE()
public:
enum Status {
RequestPending,
RequestComplete,
RequestCancelled,
};
enum ReuseFlag {
Default = 0,
ReuseBuffers = (1 << 0),
};
using BufferMap = std::map<const Stream *, FrameBuffer *>;
Request(Camera *camera, uint64_t cookie = 0);
~Request();
void reuse(ReuseFlag flags = Default);
ControlList &controls() { return *controls_; }
ControlList &metadata() { return *metadata_; }
const BufferMap &buffers() const { return bufferMap_; }
int addBuffer(const Stream *stream, FrameBuffer *buffer,
std::unique_ptr<Fence> fence = nullptr);
FrameBuffer *findBuffer(const Stream *stream) const;
uint32_t sequence() const;
uint64_t cookie() const { return cookie_; }
Status status() const { return status_; }
bool hasPendingBuffers() const;
std::string toString() const;
private:
LIBCAMERA_DISABLE_COPY(Request)
ControlList *controls_;
ControlList *metadata_;
BufferMap bufferMap_;
const uint64_t cookie_;
Status status_;
};
} /* namespace libcamera */
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