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>
95 lines
2.4 KiB
C++
95 lines
2.4 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_device.h - Media device handler
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*/
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#ifndef __LIBCAMERA_MEDIA_DEVICE_H__
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#define __LIBCAMERA_MEDIA_DEVICE_H__
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#include <map>
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#include <sstream>
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#include <string>
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#include <vector>
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#include <linux/media.h>
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#include <libcamera/signal.h>
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#include "libcamera/internal/log.h"
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#include "libcamera/internal/media_object.h"
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namespace libcamera {
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class MediaDevice : protected Loggable
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{
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public:
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MediaDevice(const std::string &deviceNode);
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~MediaDevice();
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bool acquire();
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void release();
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bool busy() const { return acquired_; }
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bool lock();
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void unlock();
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int populate();
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bool valid() const { return valid_; }
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const std::string driver() const { return driver_; }
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const std::string deviceNode() const { return deviceNode_; }
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const std::string model() const { return model_; }
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unsigned int version() const { return version_; }
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const std::vector<MediaEntity *> &entities() const { return entities_; }
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MediaEntity *getEntityByName(const std::string &name) const;
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MediaLink *link(const std::string &sourceName, unsigned int sourceIdx,
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const std::string &sinkName, unsigned int sinkIdx);
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MediaLink *link(const MediaEntity *source, unsigned int sourceIdx,
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const MediaEntity *sink, unsigned int sinkIdx);
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MediaLink *link(const MediaPad *source, const MediaPad *sink);
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int disableLinks();
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Signal<MediaDevice *> disconnected;
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protected:
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std::string logPrefix() const;
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private:
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int open();
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void close();
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MediaObject *object(unsigned int id);
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bool addObject(MediaObject *object);
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void clear();
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struct media_v2_interface *findInterface(const struct media_v2_topology &topology,
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unsigned int entityId);
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bool populateEntities(const struct media_v2_topology &topology);
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bool populatePads(const struct media_v2_topology &topology);
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bool populateLinks(const struct media_v2_topology &topology);
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void fixupEntityFlags(struct media_v2_entity *entity);
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friend int MediaLink::setEnabled(bool enable);
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int setupLink(const MediaLink *link, unsigned int flags);
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std::string driver_;
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std::string deviceNode_;
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std::string model_;
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unsigned int version_;
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int fd_;
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bool valid_;
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bool acquired_;
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bool lockOwner_;
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std::map<unsigned int, MediaObject *> objects_;
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std::vector<MediaEntity *> entities_;
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};
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} /* namespace libcamera */
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#endif /* __LIBCAMERA_MEDIA_DEVICE_H__ */
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