libcamera/vivid.git - libcamera pipeline handler for VIVID

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path: root/test/v4l2_subdevice/list_formats.cpp

Age	Commit message (Expand)	Author
2021-06-25	libcamera/base: Move utils to the base library	Kieran Bingham
2020-10-20	test: Omit extra semicolons	Hirokazu Honda
2020-07-23	libcamera: v4l2_subdevice: Replace ImageFormats with a map	Niklas Söderlund
2020-06-08	test: v4l2_subdevice: list_formats: Port to use utils::hex() output helper	Umang Jain
2020-05-16	libcamera: Move internal headers to include/libcamera/internal/	Laurent Pinchart
2019-06-19	libcamera: v4l2_subdevice: Replace FormatEnum with ImageFormats	Niklas Söderlund
2019-05-25	tests: list_formats: Fix argument names and add const	Niklas Söderlund
2019-04-18	libcamera: v4l2_subdevice: Add method to retrieve the media entity	Laurent Pinchart
2019-04-18	libcamera: geometry: Use Size to store min and max in SizeRange	Laurent Pinchart
2019-04-05	libcamera: Make geometry.h a public header	Niklas Söderlund
2019-04-02	libcamera: v4l2_subdevice: Rename deviceName() method	Jacopo Mondi
2019-03-02	test: v4l2_subdevice: Add ListFormat test	Jacopo Mondi

/ /* * Copyright (C) 2019, Google Inc. * * v4l2_camera_proxy.h - Proxy to V4L2 compatibility camera */ #ifndef __V4L2_CAMERA_PROXY_H__ #define __V4L2_CAMERA_PROXY_H__ #include <linux/videodev2.h> #include <map> #include <memory> #include <set> #include <sys/types.h> #include <vector> #include <libcamera/camera.h> #include "v4l2_camera.h" using namespace libcamera; class V4L2CameraFile; class V4L2CameraProxy { public: V4L2CameraProxy(unsigned int index, std::shared_ptr<Camera> camera); int open(V4L2CameraFile *file); void close(V4L2CameraFile *file); void *mmap(void *addr, size_t length, int prot, int flags, off64_t offset); int munmap(void *addr, size_t length); int ioctl(V4L2CameraFile *file, unsigned long request, void *arg); private: bool validateBufferType(uint32_t type); bool validateMemoryType(uint32_t memory); void setFmtFromConfig(const StreamConfiguration &streamConfig); void querycap(std::shared_ptr<Camera> camera); int tryFormat(struct v4l2_format *arg); enum v4l2_priority maxPriority(); void updateBuffers(); void freeBuffers(); int vidioc_querycap(struct v4l2_capability *arg); int vidioc_enum_framesizes(V4L2CameraFile *file, struct v4l2_frmsizeenum *arg); int vidioc_enum_fmt(V4L2CameraFile *file, struct v4l2_fmtdesc *arg); int vidioc_g_fmt(V4L2CameraFile *file, struct v4l2_format *arg); int vidioc_s_fmt(V4L2CameraFile *file, struct v4l2_format *arg); int vidioc_try_fmt(V4L2CameraFile *file, struct v4l2_format *arg); int vidioc_g_priority(V4L2CameraFile *file, enum v4l2_priority *arg); int vidioc_s_priority(V4L2CameraFile *file, enum v4l2_priority *arg); int vidioc_enuminput(V4L2CameraFile *file, struct v4l2_input *arg); int vidioc_g_input(V4L2CameraFile *file, int *arg); int vidioc_s_input(V4L2CameraFile *file, int *arg); int vidioc_reqbufs(V4L2CameraFile *file, struct v4l2_requestbuffers *arg); int vidioc_querybuf(V4L2CameraFile *file, struct v4l2_buffer *arg); int vidioc_qbuf(V4L2CameraFile *file, struct v4l2_buffer *arg); int vidioc_dqbuf(V4L2CameraFile *file, struct v4l2_buffer *arg, MutexLocker *locker); int vidioc_streamon(V4L2CameraFile *file, int *arg); int vidioc_streamoff(V4L2CameraFile *file, int *arg); bool hasOwnership(V4L2CameraFile *file); int acquire(V4L2CameraFile *file); void release(V4L2CameraFile *file); static const std::set<unsigned long> supportedIoctls_; unsigned int refcount_; unsigned int index_; StreamConfiguration streamConfig_; unsigned int bufferCount_; unsigned int currentBuf_; unsigned int sizeimage_; struct v4l2_capability capabilities_; struct v4l2_pix_format v4l2PixFormat_; std::vector<struct v4l2_buffer> buffers_; std::map<void *, unsigned int> mmaps_; std::set<V4L2CameraFile *> files_; std::unique_ptr<V4L2Camera> vcam_; /* * This is the exclusive owner of this V4L2CameraProxy instance. * When there is no owner, anybody can call any ioctl before reqbufs. * The first file to call reqbufs with count > 0 or s_fmt will become * the owner, and when the owner calls reqbufs with count = 0 it will * release ownership. Any buffer-related ioctl (except querybuf) or * s_fmt that is called by a non-owner while there exists an owner * will return -EBUSY. */ V4L2CameraFile *owner_; /* This mutex is to serialize access to the proxy. */ Mutex proxyMutex_; }; #endif /* __V4L2_CAMERA_PROXY_H__ */