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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2020, Google Inc.
*
* buffer.h - Internal buffer handling
*/
#ifndef __LIBCAMERA_INTERNAL_BUFFER_H__
#define __LIBCAMERA_INTERNAL_BUFFER_H__
#include <sys/mman.h>
#include <vector>
#include <libcamera/buffer.h>
#include <libcamera/span.h>
namespace libcamera {
class MappedBuffer
{
public:
using Plane = Span<uint8_t>;
~MappedBuffer();
MappedBuffer(MappedBuffer &&other);
MappedBuffer &operator=(MappedBuffer &&other);
bool isValid() const { return error_ == 0; }
int error() const { return error_; }
const std::vector<Plane> &maps() const { return maps_; }
protected:
MappedBuffer();
int error_;
std::vector<Plane> maps_;
};
class MappedFrameBuffer : public MappedBuffer
{
public:
MappedFrameBuffer(const FrameBuffer *buffer, int flags);
};
} /* namespace libcamera */
#endif /* __LIBCAMERA_INTERNAL_BUFFER_H__ */
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