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https://git.libcamera.org/libcamera/libcamera.git
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f8951ee720
Add a method to the Camera class to retrieve the Camera properties registered by the pipeline handler. While at it, reword the Camera::controls() operation documentation to specify that the camera control information are constant during the camera lifetime not their value, while the camera properties value are the actually static information. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
123 lines
2.7 KiB
C++
123 lines
2.7 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2018, Google Inc.
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*
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* camera.h - Camera object interface
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*/
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#ifndef __LIBCAMERA_CAMERA_H__
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#define __LIBCAMERA_CAMERA_H__
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#include <memory>
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#include <set>
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#include <stdint.h>
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#include <string>
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#include <libcamera/controls.h>
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#include <libcamera/request.h>
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#include <libcamera/signal.h>
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#include <libcamera/stream.h>
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namespace libcamera {
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class FrameBuffer;
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class FrameBufferAllocator;
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class PipelineHandler;
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class Request;
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class CameraConfiguration
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{
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public:
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enum Status {
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Valid,
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Adjusted,
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Invalid,
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};
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using iterator = std::vector<StreamConfiguration>::iterator;
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using const_iterator = std::vector<StreamConfiguration>::const_iterator;
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virtual ~CameraConfiguration();
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void addConfiguration(const StreamConfiguration &cfg);
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virtual Status validate() = 0;
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StreamConfiguration &at(unsigned int index);
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const StreamConfiguration &at(unsigned int index) const;
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StreamConfiguration &operator[](unsigned int index)
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{
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return at(index);
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}
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const StreamConfiguration &operator[](unsigned int index) const
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{
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return at(index);
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}
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iterator begin();
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const_iterator begin() const;
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iterator end();
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const_iterator end() const;
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bool empty() const;
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std::size_t size() const;
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protected:
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CameraConfiguration();
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std::vector<StreamConfiguration> config_;
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};
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class Camera final : public std::enable_shared_from_this<Camera>
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{
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public:
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static std::shared_ptr<Camera> create(PipelineHandler *pipe,
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const std::string &name,
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const std::set<Stream *> &streams);
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Camera(const Camera &) = delete;
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Camera &operator=(const Camera &) = delete;
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const std::string &name() const;
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Signal<Request *, FrameBuffer *> bufferCompleted;
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Signal<Request *> requestCompleted;
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Signal<Camera *> disconnected;
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int acquire();
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int release();
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const ControlInfoMap &controls();
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const ControlList &properties();
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const std::set<Stream *> &streams() const;
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std::unique_ptr<CameraConfiguration> generateConfiguration(const StreamRoles &roles);
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int configure(CameraConfiguration *config);
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Request *createRequest(uint64_t cookie = 0);
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int queueRequest(Request *request);
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int start();
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int stop();
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private:
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Camera(PipelineHandler *pipe, const std::string &name,
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const std::set<Stream *> &streams);
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~Camera();
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class Private;
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std::unique_ptr<Private> p_;
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friend class PipelineHandler;
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void disconnect();
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void requestComplete(Request *request);
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friend class FrameBufferAllocator;
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int exportFrameBuffers(Stream *stream,
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std::vector<std::unique_ptr<FrameBuffer>> *buffers);
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int freeFrameBuffers(Stream *stream);
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/* \todo Remove allocator_ from the exposed API */
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FrameBufferAllocator *allocator_;
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};
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} /* namespace libcamera */
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#endif /* __LIBCAMERA_CAMERA_H__ */
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