/*************************************************************************/ /* camera_server.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "camera_server.h" #include "servers/camera/camera_feed.h" #include "visual_server.h" //////////////////////////////////////////////////////// // CameraServer CameraServer::CreateFunc CameraServer::create_func = nullptr; void CameraServer::_bind_methods() { ClassDB::bind_method(D_METHOD("get_feed", "index"), &CameraServer::get_feed); ClassDB::bind_method(D_METHOD("get_feed_count"), &CameraServer::get_feed_count); ClassDB::bind_method(D_METHOD("feeds"), &CameraServer::get_feeds); ClassDB::bind_method(D_METHOD("add_feed", "feed"), &CameraServer::add_feed); ClassDB::bind_method(D_METHOD("remove_feed", "feed"), &CameraServer::remove_feed); ADD_SIGNAL(MethodInfo("camera_feed_added", PropertyInfo(Variant::INT, "id"))); ADD_SIGNAL(MethodInfo("camera_feed_removed", PropertyInfo(Variant::INT, "id"))); BIND_ENUM_CONSTANT(FEED_RGBA_IMAGE); BIND_ENUM_CONSTANT(FEED_YCBCR_IMAGE); BIND_ENUM_CONSTANT(FEED_Y_IMAGE); BIND_ENUM_CONSTANT(FEED_CBCR_IMAGE); }; CameraServer *CameraServer::singleton = nullptr; CameraServer *CameraServer::get_singleton() { return singleton; }; int CameraServer::get_free_id() { bool id_exists = true; int newid = 0; // find a free id while (id_exists) { newid++; id_exists = false; for (int i = 0; i < feeds.size() && !id_exists; i++) { if (feeds[i]->get_id() == newid) { id_exists = true; }; }; }; return newid; }; int CameraServer::get_feed_index(int p_id) { for (int i = 0; i < feeds.size(); i++) { if (feeds[i]->get_id() == p_id) { return i; }; }; return -1; }; Ref<CameraFeed> CameraServer::get_feed_by_id(int p_id) { int index = get_feed_index(p_id); if (index == -1) { return nullptr; } else { return feeds[index]; } }; void CameraServer::add_feed(const Ref<CameraFeed> &p_feed) { ERR_FAIL_COND(p_feed.is_null()); // add our feed feeds.push_back(p_feed); print_verbose("CameraServer: Registered camera " + p_feed->get_name() + " with ID " + itos(p_feed->get_id()) + " and position " + itos(p_feed->get_position()) + " at index " + itos(feeds.size() - 1)); // let whomever is interested know emit_signal("camera_feed_added", p_feed->get_id()); }; void CameraServer::remove_feed(const Ref<CameraFeed> &p_feed) { for (int i = 0; i < feeds.size(); i++) { if (feeds[i] == p_feed) { int feed_id = p_feed->get_id(); print_verbose("CameraServer: Removed camera " + p_feed->get_name() + " with ID " + itos(feed_id) + " and position " + itos(p_feed->get_position())); // remove it from our array, if this results in our feed being unreferenced it will be destroyed feeds.remove(i); // let whomever is interested know emit_signal("camera_feed_removed", feed_id); return; }; }; }; Ref<CameraFeed> CameraServer::get_feed(int p_index) { ERR_FAIL_INDEX_V(p_index, feeds.size(), nullptr); return feeds[p_index]; }; int CameraServer::get_feed_count() { return feeds.size(); }; Array CameraServer::get_feeds() { Array return_feeds; int cc = get_feed_count(); return_feeds.resize(cc); for (int i = 0; i < feeds.size(); i++) { return_feeds[i] = get_feed(i); }; return return_feeds; }; RID CameraServer::feed_texture(int p_id, CameraServer::FeedImage p_texture) { int index = get_feed_index(p_id); ERR_FAIL_COND_V(index == -1, RID()); Ref<CameraFeed> feed = get_feed(index); return feed->get_texture(p_texture); }; CameraServer::CameraServer() { singleton = this; }; CameraServer::~CameraServer() { singleton = nullptr; };