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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* request.h - Capture request handling
*/
#ifndef __LIBCAMERA_REQUEST_H__
#define __LIBCAMERA_REQUEST_H__
#include <map>
#include <memory>
#include <stdint.h>
#include <unordered_set>
#include <libcamera/controls.h>
#include <libcamera/signal.h>
namespace libcamera {
class Buffer;
class Camera;
class Stream;
class Request
{
public:
enum Status {
RequestPending,
RequestComplete,
RequestCancelled,
};
Request(Camera *camera, uint64_t cookie = 0);
Request(const Request &) = delete;
Request &operator=(const Request &) = delete;
~Request();
ControlList &controls() { return controls_; }
const std::map<Stream *, Buffer *> &buffers() const { return bufferMap_; }
int addBuffer(std::unique_ptr<Buffer> buffer);
Buffer *findBuffer(Stream *stream) const;
uint64_t cookie() const { return cookie_; }
Status status() const { return status_; }
bool hasPendingBuffers() const { return !pending_.empty(); }
private:
friend class Camera;
friend class PipelineHandler;
int prepare();
void complete(Status status);
bool completeBuffer(Buffer *buffer);
Camera *camera_;
ControlList controls_;
std::map<Stream *, Buffer *> bufferMap_;
std::unordered_set<Buffer *> pending_;
const uint64_t cookie_;
Status status_;
};
} /* namespace libcamera */
#endif /* __LIBCAMERA_REQUEST_H__ */
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