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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* v4l2_controls.h - V4L2 Controls Support
*/
#ifndef __LIBCAMERA_V4L2_CONTROLS_H__
#define __LIBCAMERA_V4L2_CONTROLS_H__
#include <map>
#include <stdint.h>
#include <string>
#include <vector>
#include <linux/videodev2.h>
#include <libcamera/controls.h>
namespace libcamera {
class V4L2ControlId : public ControlId
{
public:
V4L2ControlId(const struct v4l2_query_ext_ctrl &ctrl);
};
class V4L2ControlInfo
{
public:
V4L2ControlInfo(const struct v4l2_query_ext_ctrl &ctrl);
const ControlRange &range() const { return range_; }
private:
ControlRange range_;
};
class V4L2ControlInfoMap : private std::map<const ControlId *, V4L2ControlInfo>
{
public:
V4L2ControlInfoMap &operator=(std::map<const ControlId *, V4L2ControlInfo> &&info);
using std::map<const ControlId *, V4L2ControlInfo>::key_type;
using std::map<const ControlId *, V4L2ControlInfo>::mapped_type;
using std::map<const ControlId *, V4L2ControlInfo>::value_type;
using std::map<const ControlId *, V4L2ControlInfo>::size_type;
using std::map<const ControlId *, V4L2ControlInfo>::iterator;
using std::map<const ControlId *, V4L2ControlInfo>::const_iterator;
using std::map<const ControlId *, V4L2ControlInfo>::begin;
using std::map<const ControlId *, V4L2ControlInfo>::cbegin;
using std::map<const ControlId *, V4L2ControlInfo>::end;
using std::map<const ControlId *, V4L2ControlInfo>::cend;
using std::map<const ControlId *, V4L2ControlInfo>::at;
using std::map<const ControlId *, V4L2ControlInfo>::empty;
using std::map<const ControlId *, V4L2ControlInfo>::size;
using std::map<const ControlId *, V4L2ControlInfo>::count;
using std::map<const ControlId *, V4L2ControlInfo>::find;
mapped_type &at(unsigned int key);
const mapped_type &at(unsigned int key) const;
size_type count(unsigned int key) const;
iterator find(unsigned int key);
const_iterator find(unsigned int key) const;
const ControlIdMap &idmap() const { return idmap_; }
private:
ControlIdMap idmap_;
};
class V4L2ControlList : public ControlList
{
public:
V4L2ControlList(const V4L2ControlInfoMap &info)
: ControlList(info.idmap())
{
}
};
} /* namespace libcamera */
#endif /* __LIBCAMERA_V4L2_CONTROLS_H__ */
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