sweeper_video/include/rtmp_manager.hpp

// rtmp_manager.hpp
#pragma once

#include <gst/gst.h>

#include <atomic>
#include <mutex>
#include <string>
#include <thread>
#include <unordered_map>
#include <vector>

#include "app_config.hpp"
#include "logger.hpp"

class RTMPManager
{
   public:
    struct StreamStatus
    {
        bool running{false};
        std::string last_error;
    };

    static void init();
    static void start_all();
    static void stop_all();
    static bool is_streaming(const std::string &cam_name);
    static std::string get_stream_url(const std::string &cam_name);
    static std::vector<std::pair<std::string, bool>> get_all_status();

   private:
    struct StreamContext
    {
        std::atomic<bool> running{false};
        std::thread thread;
        StreamStatus status;
    };

    static void stream_loop(Camera cam, StreamContext *ctx);
    static GstElement *create_pipeline(const Camera &cam);
    static std::string make_key(const std::string &name);

    static std::unordered_map<std::string, std::unique_ptr<StreamContext>> streams;
    static std::mutex streams_mutex;

    // 参数
    static constexpr int RETRY_BASE_DELAY_MS = 3000;
};