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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* control_serializer.h - Control (de)serializer
*/
#ifndef __LIBCAMERA_INTERNAL_CONTROL_SERIALIZER_H__
#define __LIBCAMERA_INTERNAL_CONTROL_SERIALIZER_H__
#include <map>
#include <memory>
#include <vector>
#include <libcamera/controls.h>
namespace libcamera {
class ByteStreamBuffer;
class ControlSerializer
{
public:
ControlSerializer();
void reset();
static size_t binarySize(const ControlInfoMap &infoMap);
static size_t binarySize(const ControlList &list);
int serialize(const ControlInfoMap &infoMap, ByteStreamBuffer &buffer);
int serialize(const ControlList &list, ByteStreamBuffer &buffer);
template<typename T>
T deserialize(ByteStreamBuffer &buffer);
bool isCached(const ControlInfoMap &infoMap);
private:
static size_t binarySize(const ControlValue &value);
static size_t binarySize(const ControlInfo &info);
static void store(const ControlValue &value, ByteStreamBuffer &buffer);
static void store(const ControlInfo &info, ByteStreamBuffer &buffer);
ControlValue loadControlValue(ControlType type, ByteStreamBuffer &buffer,
bool isArray = false, unsigned int count = 1);
ControlInfo loadControlInfo(ControlType type, ByteStreamBuffer &buffer);
unsigned int serial_;
std::vector<std::unique_ptr<ControlId>> controlIds_;
std::vector<std::unique_ptr<ControlIdMap>> controlIdMaps_;
std::map<unsigned int, ControlInfoMap> infoMaps_;
std::map<const ControlInfoMap *, unsigned int> infoMapHandles_;
};
} /* namespace libcamera */
#endif /* __LIBCAMERA_INTERNAL_CONTROL_SERIALIZER_H__ */
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