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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
* Copyright (C) 2020, Raspberry Pi Ltd
*
* v4l2_pixelformat.h - V4L2 Pixel Format
*/
#pragma once
#include <functional>
#include <ostream>
#include <stdint.h>
#include <string>
#include <vector>
#include <linux/videodev2.h>
#include <libcamera/pixel_format.h>
namespace libcamera {
class V4L2PixelFormat
{
public:
struct Info {
PixelFormat format;
const char *description;
};
V4L2PixelFormat()
: fourcc_(0)
{
}
explicit V4L2PixelFormat(uint32_t fourcc)
: fourcc_(fourcc)
{
}
bool isValid() const { return fourcc_ != 0; }
uint32_t fourcc() const { return fourcc_; }
operator uint32_t() const { return fourcc_; }
std::string toString() const;
const char *description() const;
PixelFormat toPixelFormat(bool warn = true) const;
static const std::vector<V4L2PixelFormat> &
fromPixelFormat(const PixelFormat &pixelFormat);
private:
uint32_t fourcc_;
};
std::ostream &operator<<(std::ostream &out, const V4L2PixelFormat &f);
} /* namespace libcamera */
namespace std {
template<>
struct hash<libcamera::V4L2PixelFormat> {
size_t operator()(libcamera::V4L2PixelFormat const &format) const noexcept
{
return format.fourcc();
}
};
} /* namespace std */
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