libcamera: mediadevice: Reorder functions in declaration order
In order to simplify navigation in the .cpp file, order functions in the declaration order in the .h file. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Laurent Pinchart
parent
492019745d
commit
dc647a6707
1 changed files with 178 additions and 178 deletions
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@ -70,38 +70,6 @@ MediaDevice::~MediaDevice()
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clear();
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}
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/**
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* \fn MediaDevice::driver()
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* \brief Retrieve the media device driver name
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* \return The name of the kernel driver that handles the MediaDevice
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*/
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/**
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* \fn MediaDevice::devnode()
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* \brief Retrieve the media device device node path
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* \return The MediaDevice devnode path
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*/
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/**
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* \brief Delete all media objects in the MediaDevice.
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*
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* Delete all MediaEntities; entities will then delete their pads,
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* and each source pad will delete links.
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*
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* After this function has been called, the media graph will be unpopulated
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* and its media objects deleted. The media device has to be populated
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* before it could be used again.
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*/
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void MediaDevice::clear()
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{
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for (auto const &o : objects_)
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delete o.second;
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objects_.clear();
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entities_.clear();
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valid_ = false;
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}
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/**
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* \brief Open a media device and retrieve informations from it
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*
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@ -154,152 +122,6 @@ void MediaDevice::close()
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fd_ = -1;
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}
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/**
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* \fn MediaDevice::entities()
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* \brief Retrieve the list of entities in the media graph
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* \return The list of MediaEntities registered in the MediaDevice
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*/
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/*
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* Add a new object to the global objects pool and fail if the object
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* has already been registered.
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*/
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bool MediaDevice::addObject(MediaObject *obj)
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{
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if (objects_.find(obj->id()) != objects_.end()) {
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LOG(Error) << "Element with id " << obj->id()
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<< " already enumerated.";
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return false;
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}
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objects_[obj->id()] = obj;
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return true;
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}
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/*
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* MediaObject pool lookup by id.
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*/
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MediaObject *MediaDevice::object(unsigned int id)
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{
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auto it = objects_.find(id);
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return (it == objects_.end()) ? nullptr : it->second;
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}
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/**
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* \brief Return the MediaEntity with name \a name
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* \param name The entity name
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* \return The entity with \a name
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* \return nullptr if no entity with \a name is found
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*/
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MediaEntity *MediaDevice::getEntityByName(const std::string &name)
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{
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for (MediaEntity *e : entities_)
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if (e->name() == name)
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return e;
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return nullptr;
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}
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bool MediaDevice::populateLinks(const struct media_v2_topology &topology)
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{
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media_v2_link *mediaLinks = reinterpret_cast<media_v2_link *>
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(topology.ptr_links);
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for (unsigned int i = 0; i < topology.num_links; ++i) {
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/*
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* Skip links between entities and interfaces: we only care
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* about pad-2-pad links here.
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*/
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if ((mediaLinks[i].flags & MEDIA_LNK_FL_LINK_TYPE) ==
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MEDIA_LNK_FL_INTERFACE_LINK)
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continue;
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/* Store references to source and sink pads in the link. */
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unsigned int source_id = mediaLinks[i].source_id;
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MediaPad *source = dynamic_cast<MediaPad *>
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(object(source_id));
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if (!source) {
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LOG(Error) << "Failed to find pad with id: "
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<< source_id;
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return false;
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}
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unsigned int sink_id = mediaLinks[i].sink_id;
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MediaPad *sink = dynamic_cast<MediaPad *>
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(object(sink_id));
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if (!sink) {
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LOG(Error) << "Failed to find pad with id: "
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<< sink_id;
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return false;
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}
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MediaLink *link = new MediaLink(&mediaLinks[i], source, sink);
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if (!addObject(link)) {
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delete link;
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return false;
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}
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source->addLink(link);
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sink->addLink(link);
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}
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return true;
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}
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bool MediaDevice::populatePads(const struct media_v2_topology &topology)
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{
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media_v2_pad *mediaPads = reinterpret_cast<media_v2_pad *>
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(topology.ptr_pads);
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for (unsigned int i = 0; i < topology.num_pads; ++i) {
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unsigned int entity_id = mediaPads[i].entity_id;
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/* Store a reference to this MediaPad in entity. */
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MediaEntity *mediaEntity = dynamic_cast<MediaEntity *>
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(object(entity_id));
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if (!mediaEntity) {
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LOG(Error) << "Failed to find entity with id: "
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<< entity_id;
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return false;
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}
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MediaPad *pad = new MediaPad(&mediaPads[i], mediaEntity);
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if (!addObject(pad)) {
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delete pad;
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return false;
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}
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mediaEntity->addPad(pad);
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}
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return true;
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}
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/*
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* For each entity in the media graph create a MediaEntity and store a
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* reference in the MediaObject global pool and in the global vector of
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* entities.
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*/
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bool MediaDevice::populateEntities(const struct media_v2_topology &topology)
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{
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media_v2_entity *mediaEntities = reinterpret_cast<media_v2_entity *>
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(topology.ptr_entities);
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for (unsigned int i = 0; i < topology.num_entities; ++i) {
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MediaEntity *entity = new MediaEntity(&mediaEntities[i]);
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if (!addObject(entity)) {
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delete entity;
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return false;
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}
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entities_.push_back(entity);
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}
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return true;
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}
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/**
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* \brief Populate the media graph with media objects
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*
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@ -380,15 +202,193 @@ int MediaDevice::populate()
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* \return true if the media graph is valid, false otherwise
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*/
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/**
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* \fn MediaDevice::driver()
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* \brief Retrieve the media device driver name
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* \return The name of the kernel driver that handles the MediaDevice
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*/
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/**
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* \fn MediaDevice::devnode()
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* \brief Retrieve the media device device node path
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* \return The MediaDevice devnode path
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*/
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/**
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* \fn MediaDevice::entities()
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* \brief Retrieve the list of entities in the media graph
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* \return The list of MediaEntities registered in the MediaDevice
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*/
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/**
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* \brief Return the MediaEntity with name \a name
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* \param name The entity name
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* \return The entity with \a name
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* \return nullptr if no entity with \a name is found
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*/
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MediaEntity *MediaDevice::getEntityByName(const std::string &name)
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{
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for (MediaEntity *e : entities_)
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if (e->name() == name)
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return e;
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return nullptr;
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}
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/**
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* \var MediaDevice::objects_
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* \brief Global map of media objects (entities, pads, links) keyed by their
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* object id.
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*/
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/*
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* MediaObject pool lookup by id.
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*/
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MediaObject *MediaDevice::object(unsigned int id)
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{
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auto it = objects_.find(id);
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return (it == objects_.end()) ? nullptr : it->second;
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}
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/*
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* Add a new object to the global objects pool and fail if the object
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* has already been registered.
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*/
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bool MediaDevice::addObject(MediaObject *obj)
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{
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if (objects_.find(obj->id()) != objects_.end()) {
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LOG(Error) << "Element with id " << obj->id()
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<< " already enumerated.";
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return false;
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}
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objects_[obj->id()] = obj;
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return true;
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}
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/**
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* \brief Delete all media objects in the MediaDevice.
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*
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* Delete all MediaEntities; entities will then delete their pads,
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* and each source pad will delete links.
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*
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* After this function has been called, the media graph will be unpopulated
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* and its media objects deleted. The media device has to be populated
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* before it could be used again.
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*/
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void MediaDevice::clear()
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{
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for (auto const &o : objects_)
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delete o.second;
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objects_.clear();
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entities_.clear();
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valid_ = false;
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}
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/**
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* \var MediaDevice::entities_
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* \brief Global list of media entities in the media graph
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*/
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/*
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* For each entity in the media graph create a MediaEntity and store a
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* reference in the MediaObject global pool and in the global vector of
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* entities.
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*/
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bool MediaDevice::populateEntities(const struct media_v2_topology &topology)
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{
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media_v2_entity *mediaEntities = reinterpret_cast<media_v2_entity *>
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(topology.ptr_entities);
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for (unsigned int i = 0; i < topology.num_entities; ++i) {
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MediaEntity *entity = new MediaEntity(&mediaEntities[i]);
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if (!addObject(entity)) {
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delete entity;
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return false;
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}
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entities_.push_back(entity);
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}
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return true;
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}
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bool MediaDevice::populatePads(const struct media_v2_topology &topology)
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{
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media_v2_pad *mediaPads = reinterpret_cast<media_v2_pad *>
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(topology.ptr_pads);
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for (unsigned int i = 0; i < topology.num_pads; ++i) {
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unsigned int entity_id = mediaPads[i].entity_id;
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/* Store a reference to this MediaPad in entity. */
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MediaEntity *mediaEntity = dynamic_cast<MediaEntity *>
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(object(entity_id));
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if (!mediaEntity) {
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LOG(Error) << "Failed to find entity with id: "
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<< entity_id;
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return false;
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}
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MediaPad *pad = new MediaPad(&mediaPads[i], mediaEntity);
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if (!addObject(pad)) {
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delete pad;
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return false;
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}
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mediaEntity->addPad(pad);
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}
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return true;
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}
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bool MediaDevice::populateLinks(const struct media_v2_topology &topology)
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{
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media_v2_link *mediaLinks = reinterpret_cast<media_v2_link *>
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(topology.ptr_links);
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for (unsigned int i = 0; i < topology.num_links; ++i) {
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/*
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* Skip links between entities and interfaces: we only care
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* about pad-2-pad links here.
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*/
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if ((mediaLinks[i].flags & MEDIA_LNK_FL_LINK_TYPE) ==
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MEDIA_LNK_FL_INTERFACE_LINK)
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continue;
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/* Store references to source and sink pads in the link. */
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unsigned int source_id = mediaLinks[i].source_id;
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MediaPad *source = dynamic_cast<MediaPad *>
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(object(source_id));
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if (!source) {
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LOG(Error) << "Failed to find pad with id: "
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<< source_id;
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return false;
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}
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unsigned int sink_id = mediaLinks[i].sink_id;
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MediaPad *sink = dynamic_cast<MediaPad *>
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(object(sink_id));
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if (!sink) {
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LOG(Error) << "Failed to find pad with id: "
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<< sink_id;
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return false;
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}
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MediaLink *link = new MediaLink(&mediaLinks[i], source, sink);
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if (!addObject(link)) {
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delete link;
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return false;
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}
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source->addLink(link);
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sink->addLink(link);
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}
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return true;
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}
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} /* namespace libcamera */
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