4bd09795a1
With the internal headers now in include/libcamera/internal/, we may have identically named headers in include/libcamera/. Their header guards would clash. Rename the header guards of internal headers to prevent any issue. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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_INTERNAL_MEDIA_DEVICE_H__
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#define __LIBCAMERA_INTERNAL_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 override;
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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_INTERNAL_MEDIA_DEVICE_H__ */
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