/* SPDX-License-Identifier: LGPL-2.1-or-later */ /* * Copyright (C) 2019-2021, Google Inc. * * camera_request.h - libcamera Android Camera Request Descriptor */ #pragma once #include <map> #include <memory> #include <vector> #include <libcamera/base/class.h> #include <libcamera/base/mutex.h> #include <libcamera/base/unique_fd.h> #include <libcamera/camera.h> #include <libcamera/framebuffer.h> #include <hardware/camera3.h> #include "camera_metadata.h" #include "hal_framebuffer.h" class CameraBuffer; class CameraStream; class Camera3RequestDescriptor { public: enum class Status { Success, Error, }; struct StreamBuffer { StreamBuffer(CameraStream *stream, const camera3_stream_buffer_t &buffer, Camera3RequestDescriptor *request); ~StreamBuffer(); StreamBuffer(StreamBuffer &&); StreamBuffer &operator=(StreamBuffer &&); CameraStream *stream; buffer_handle_t *camera3Buffer; std::unique_ptr<HALFrameBuffer> frameBuffer; libcamera::UniqueFD fence; Status status = Status::Success; libcamera::FrameBuffer *internalBuffer = nullptr; const libcamera::FrameBuffer *srcBuffer = nullptr; std::unique_ptr<CameraBuffer> dstBuffer; Camera3RequestDescriptor *request; private: LIBCAMERA_DISABLE_COPY(StreamBuffer) }; /* Keeps track of streams requiring post-processing. */ std::map<CameraStream *, StreamBuffer *> pendingStreamsToProcess_ LIBCAMERA_TSA_GUARDED_BY(streamsProcessMutex_); libcamera::Mutex streamsProcessMutex_; Camera3RequestDescriptor(libcamera::Camera *camera, const camera3_capture_request_t *camera3Request); ~Camera3RequestDescriptor(); bool isPending() const { return !complete_; } uint32_t frameNumber_ = 0; std::vector<StreamBuffer> buffers_; CameraMetadata settings_; std::unique_ptr<libcamera::Request> request_; std::unique_ptr<CameraMetadata> resultMetadata_; bool complete_ = false; Status status_ = Status::Success; private: LIBCAMERA_DISABLE_COPY(Camera3RequestDescriptor) };