/* SPDX-License-Identifier: LGPL-2.1-or-later */ /* * Copyright (C) 2019, Google Inc. * * v4l2_camera.h - V4L2 compatibility camera */ #ifndef __V4L2_CAMERA_H__ #define __V4L2_CAMERA_H__ #include #include #include #include #include #include #include #include "libcamera/internal/semaphore.h" using namespace libcamera; class V4L2Camera { public: struct Buffer { Buffer(unsigned int index, const FrameMetadata &data) : index(index), data(data) { } unsigned int index; FrameMetadata data; }; V4L2Camera(std::shared_ptr camera); ~V4L2Camera(); int open(StreamConfiguration *streamConfig); void close(); void bind(int efd); void unbind(); std::vector completedBuffers(); int configure(StreamConfiguration *streamConfigOut, const Size &size, const PixelFormat &pixelformat, unsigned int bufferCount); int validateConfiguration(const PixelFormat &pixelformat, const Size &size, StreamConfiguration *streamConfigOut); int allocBuffers(unsigned int count); void freeBuffers(); FileDescriptor getBufferFd(unsigned int index); int streamOn(); int streamOff(); int qbuf(unsigned int index); void waitForBufferAvailable(); bool isBufferAvailable(); bool isRunning(); private: void requestComplete(Request *request); std::shared_ptr camera_; std::unique_ptr config_; bool isRunning_; std::mutex bufferLock_; FrameBufferAllocator *bufferAllocator_; std::deque> pendingRequests_; std::deque> completedBuffers_; int efd_; Mutex bufferMutex_; std::condition_variable bufferCV_; unsigned int bufferAvailableCount_; }; #endif /* __V4L2_CAMERA_H__ */ pp?id=3ed4e65f45433a4dd39b094bd9e07a37b8d4257d'>treecommitdiff
path: root/src/libcamera/device_enumerator_sysfs.cpp
blob: 7866885c0f735751600cee4cd90db43bfdc4b605 (plain) 
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