/* SPDX-License-Identifier: LGPL-2.1-or-later */ /* * Copyright (C) 2020, Google Inc. * * camera_worker.h - Process capture requests on behalf of the Camera HAL */ #ifndef __ANDROID_CAMERA_WORKER_H__ #define __ANDROID_CAMERA_WORKER_H__ #include <memory> #include <libcamera/buffer.h> #include <libcamera/camera.h> #include <libcamera/object.h> #include <libcamera/request.h> #include <libcamera/stream.h> #include "libcamera/internal/thread.h" class CameraDevice; class CaptureRequest { public: CaptureRequest(libcamera::Camera *camera, uint64_t cookie); const std::vector<int> &fences() const { return acquireFences_; } libcamera::ControlList &controls() { return request_->controls(); } const libcamera::ControlList &metadata() const { return request_->metadata(); } unsigned long cookie() const { return request_->cookie(); } void addBuffer(libcamera::Stream *stream, libcamera::FrameBuffer *buffer, int fence); void queue(); private: libcamera::Camera *camera_; std::vector<int> acquireFences_; std::unique_ptr<libcamera::Request> request_; }; class CameraWorker { public: CameraWorker(); void start(); void stop(); void queueRequest(CaptureRequest *request); private: class Worker : public libcamera::Object { public: void processRequest(CaptureRequest *request); private: int waitFence(int fence); }; Worker worker_; libcamera::Thread thread_; }; #endif /* __ANDROID_CAMERA_WORKER_H__ */