/* 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); \ }