e239ded90b
The preferred coding style in libcamera is to declare private functions before private variables in class definitions. This rule isn't followed by some of the internal classes. Update them accordingly. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <email@uajain.com>
124 lines
2.7 KiB
C++
124 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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* media_object.h - Media Device objects: entities, pads and links.
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*/
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#ifndef __LIBCAMERA_MEDIA_OBJECT_H__
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#define __LIBCAMERA_MEDIA_OBJECT_H__
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#include <string>
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#include <vector>
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#include <linux/media.h>
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namespace libcamera {
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class MediaDevice;
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class MediaEntity;
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class MediaPad;
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class MediaObject
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{
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public:
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MediaDevice *device() { return dev_; }
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unsigned int id() const { return id_; }
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protected:
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friend class MediaDevice;
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MediaObject(MediaDevice *dev, unsigned int id)
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: dev_(dev), id_(id)
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{
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}
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virtual ~MediaObject() {}
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MediaDevice *dev_;
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unsigned int id_;
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};
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class MediaLink : public MediaObject
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{
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public:
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MediaPad *source() const { return source_; }
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MediaPad *sink() const { return sink_; }
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unsigned int flags() const { return flags_; }
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int setEnabled(bool enable);
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private:
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friend class MediaDevice;
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MediaLink(const struct media_v2_link *link,
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MediaPad *source, MediaPad *sink);
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MediaLink(const MediaLink &) = delete;
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~MediaLink() {}
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MediaPad *source_;
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MediaPad *sink_;
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unsigned int flags_;
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};
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class MediaPad : public MediaObject
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{
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public:
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unsigned int index() const { return index_; }
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MediaEntity *entity() const { return entity_; }
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unsigned int flags() const { return flags_; }
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const std::vector<MediaLink *> &links() const { return links_; }
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void addLink(MediaLink *link);
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private:
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friend class MediaDevice;
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MediaPad(const struct media_v2_pad *pad, MediaEntity *entity);
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MediaPad(const MediaPad &) = delete;
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~MediaPad();
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unsigned int index_;
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MediaEntity *entity_;
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unsigned int flags_;
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std::vector<MediaLink *> links_;
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};
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class MediaEntity : public MediaObject
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{
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public:
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const std::string &name() const { return name_; }
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unsigned int function() const { return function_; }
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unsigned int flags() const { return flags_; }
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const std::string &deviceNode() const { return deviceNode_; }
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unsigned int deviceMajor() const { return major_; }
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unsigned int deviceMinor() const { return minor_; }
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const std::vector<MediaPad *> &pads() const { return pads_; }
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const MediaPad *getPadByIndex(unsigned int index) const;
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const MediaPad *getPadById(unsigned int id) const;
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int setDeviceNode(const std::string &deviceNode);
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private:
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friend class MediaDevice;
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MediaEntity(MediaDevice *dev, const struct media_v2_entity *entity,
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unsigned int major = 0, unsigned int minor = 0);
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MediaEntity(const MediaEntity &) = delete;
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~MediaEntity();
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void addPad(MediaPad *pad);
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std::string name_;
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unsigned int function_;
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unsigned int flags_;
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std::string deviceNode_;
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unsigned int major_;
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unsigned int minor_;
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std::vector<MediaPad *> pads_;
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};
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} /* namespace libcamera */
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#endif /* __LIBCAMERA_MEDIA_OBJECT_H__ */
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