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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2021, Google Inc.
*
* camera_buffer.h - Frame buffer handling interface definition
*/
#pragma once
#include <hardware/camera3.h>
#include <libcamera/base/class.h>
#include <libcamera/base/span.h>
#include <libcamera/geometry.h>
#include <libcamera/pixel_format.h>
class CameraBuffer final : public libcamera::Extensible
{
LIBCAMERA_DECLARE_PRIVATE()
public:
CameraBuffer(buffer_handle_t camera3Buffer,
libcamera::PixelFormat pixelFormat,
const libcamera::Size &size, int flags);
~CameraBuffer();
bool isValid() const;
unsigned int numPlanes() const;
libcamera::Span<const uint8_t> plane(unsigned int plane) const;
libcamera::Span<uint8_t> plane(unsigned int plane);
unsigned int stride(unsigned int plane) const;
unsigned int offset(unsigned int plane) const;
unsigned int size(unsigned int plane) const;
size_t jpegBufferSize(size_t maxJpegBufferSize) const;
};
#define PUBLIC_CAMERA_BUFFER_IMPLEMENTATION \
CameraBuffer::CameraBuffer(buffer_handle_t camera3Buffer, \
libcamera::PixelFormat pixelFormat, \
const libcamera::Size &size, int flags) \
: Extensible(std::make_unique<Private>(this, camera3Buffer, \
pixelFormat, size, \
flags)) \
{ \
} \
CameraBuffer::~CameraBuffer() \
{ \
} \
bool CameraBuffer::isValid() const \
{ \
return _d()->isValid(); \
} \
unsigned int CameraBuffer::numPlanes() const \
{ \
return _d()->numPlanes(); \
} \
Span<const uint8_t> CameraBuffer::plane(unsigned int plane) const \
{ \
return const_cast<Private *>(_d())->plane(plane); \
} \
Span<uint8_t> CameraBuffer::plane(unsigned int plane) \
{ \
return _d()->plane(plane); \
} \
unsigned int CameraBuffer::stride(unsigned int plane) const \
{ \
return _d()->stride(plane); \
} \
unsigned int CameraBuffer::offset(unsigned int plane) const \
{ \
return _d()->offset(plane); \
} \
unsigned int CameraBuffer::size(unsigned int plane) const \
{ \
return _d()->size(plane); \
} \
size_t CameraBuffer::jpegBufferSize(size_t maxJpegBufferSize) const \
{ \
return _d()->jpegBufferSize(maxJpegBufferSize); \
}
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