/* SPDX-License-Identifier: LGPL-2.1-or-later */ /* * Copyright (C) 2021, Google Inc. * * Interface definition to allocate Frame buffer in * platform dependent way. */ #ifndef __ANDROID_FRAME_BUFFER_ALLOCATOR_H__ #define __ANDROID_FRAME_BUFFER_ALLOCATOR_H__ #include <memory> #include <libcamera/base/class.h> #include <libcamera/camera.h> #include <libcamera/geometry.h> #include "hal_framebuffer.h" class CameraDevice; class PlatformFrameBufferAllocator : libcamera::Extensible { LIBCAMERA_DECLARE_PRIVATE() public: explicit PlatformFrameBufferAllocator(CameraDevice *const cameraDevice); ~PlatformFrameBufferAllocator(); /* * FrameBuffer owns the underlying buffer. Returns nullptr on failure. * Note: The returned FrameBuffer needs to be destroyed before * PlatformFrameBufferAllocator is destroyed. */ std::unique_ptr<HALFrameBuffer> allocate( int halPixelFormat, const libcamera::Size &size, uint32_t usage); }; #define PUBLIC_FRAME_BUFFER_ALLOCATOR_IMPLEMENTATION \ PlatformFrameBufferAllocator::PlatformFrameBufferAllocator( \ CameraDevice *const cameraDevice) \ : Extensible(std::make_unique<Private>(cameraDevice)) \ { \ } \ PlatformFrameBufferAllocator::~PlatformFrameBufferAllocator() \ { \ } \ std::unique_ptr<HALFrameBuffer> \ PlatformFrameBufferAllocator::allocate(int halPixelFormat, \ const libcamera::Size &size, \ uint32_t usage) \ { \ return _d()->allocate(halPixelFormat, size, usage); \ } #endif /* __ANDROID_FRAME_BUFFER_ALLOCATOR_H__ */