| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef NIFI_MINIFI_CPP_CAPTURERTSPFRAME_H |
| #define NIFI_MINIFI_CPP_CAPTURERTSPFRAME_H |
| |
| #include <atomic> |
| |
| #include <core/Resource.h> |
| #include <core/Processor.h> |
| #include <opencv2/opencv.hpp> |
| |
| #include <iomanip> |
| #include <ctime> |
| |
| namespace org { |
| namespace apache { |
| namespace nifi { |
| namespace minifi { |
| namespace processors { |
| |
| class CaptureRTSPFrame : public core::Processor { |
| |
| public: |
| |
| explicit CaptureRTSPFrame(const std::string &name, utils::Identifier uuid = utils::Identifier()) |
| : Processor(name, uuid), |
| logger_(logging::LoggerFactory<CaptureRTSPFrame>::getLogger()) { |
| } |
| |
| static core::Property RTSPUsername; |
| static core::Property RTSPPassword; |
| static core::Property RTSPHostname; |
| static core::Property RTSPURI; |
| static core::Property RTSPPort; |
| static core::Property ImageEncoding; |
| |
| static core::Relationship Success; |
| static core::Relationship Failure; |
| |
| void initialize() override; |
| void onSchedule(core::ProcessContext *context, core::ProcessSessionFactory *sessionFactory) override; |
| void onTrigger(core::ProcessContext *context, core::ProcessSession *session) override { |
| logger_->log_error("onTrigger invocation with raw pointers is not implemented"); |
| } |
| void onTrigger(const std::shared_ptr<core::ProcessContext> &context, |
| const std::shared_ptr<core::ProcessSession> &session) override; |
| |
| void notifyStop() override; |
| |
| class CaptureRTSPFrameWriteCallback : public OutputStreamCallback { |
| public: |
| explicit CaptureRTSPFrameWriteCallback(cv::Mat image_mat, std::string image_encoding_) |
| : image_mat_(std::move(image_mat)), image_encoding_(image_encoding_) { |
| } |
| ~CaptureRTSPFrameWriteCallback() override = default; |
| |
| int64_t process(std::shared_ptr<io::BaseStream> stream) override { |
| int64_t ret = 0; |
| imencode(image_encoding_, image_mat_, image_buf_); |
| ret = stream->write(image_buf_.data(), image_buf_.size()); |
| return ret; |
| } |
| |
| private: |
| std::vector<uchar> image_buf_; |
| cv::Mat image_mat_; |
| std::string image_encoding_; |
| }; |
| |
| private: |
| std::shared_ptr<logging::Logger> logger_; |
| std::mutex mutex_; |
| std::string rtsp_username_; |
| std::string rtsp_password_; |
| std::string rtsp_host_; |
| std::string rtsp_port_; |
| std::string rtsp_uri_; |
| std::string rtsp_url_; |
| cv::VideoCapture video_capture_; |
| std::string image_encoding_; |
| std::string video_backend_driver_; |
| |
| // std::function<int()> f_ex; |
| // |
| // std::atomic<bool> running_; |
| // |
| // std::unique_ptr<DataHandler> handler_; |
| // |
| // std::vector<std::string> endpoints; |
| // |
| // std::map<std::string, std::future<int>*> live_clients_; |
| // |
| // utils::ThreadPool<int> client_thread_pool_; |
| // |
| // moodycamel::ConcurrentQueue<std::unique_ptr<io::Socket>> socket_ring_buffer_; |
| // |
| // bool stay_connected_; |
| // |
| // uint16_t concurrent_handlers_; |
| // |
| // int8_t endOfMessageByte; |
| // |
| // uint64_t reconnect_interval_; |
| // |
| // uint64_t receive_buffer_size_; |
| // |
| // uint16_t connection_attempt_limit_; |
| // |
| // std::shared_ptr<GetTCPMetrics> metrics_; |
| // |
| // // Mutex for ensuring clients are running |
| // |
| // std::mutex mutex_; |
| // |
| // std::shared_ptr<minifi::controllers::SSLContextService> ssl_service_; |
| |
| }; |
| |
| REGISTER_RESOURCE(CaptureRTSPFrame, "Captures a frame from the RTSP stream at specified intervals."); // NOLINT |
| |
| } /* namespace processors */ |
| } /* namespace minifi */ |
| } /* namespace nifi */ |
| } /* namespace apache */ |
| } /* namespace org */ |
| |
| |
| #endif //NIFI_MINIFI_CPP_CAPTURERTSPFRAME_H |