sweeper_video/include/rtmp_manager.hpp

// rtsp_manager.hpp
#pragma once

#include <gst/gst.h>
#include "app_config.hpp"
#include <unordered_map>
#include <string>
#include <mutex>
#include <thread>
#include <atomic>

class RTMPManager
{
public:
    static void init();
    // start/stop 增加 StreamType 参数
    static void start_camera(const Camera &cam, StreamType type);
    static void stop_camera(const std::string &cam_name, StreamType type);
    static void stop_all();
    static bool is_streaming(const std::string &cam_name, StreamType type);
    static bool is_any_streaming();

    // 获取推流 URL，用于应答
    static std::string get_stream_url(const std::string &cam_name, StreamType type);

private:
    struct StreamContext
    {
        std::atomic<bool> running;
        std::thread thread;

        StreamContext() : running(false) {} // 确保 atomic 初始化
    };

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

    // stream loop 接收 StreamType 作为参数
    static void stream_loop(Camera cam, StreamType type);
    static GstElement *create_pipeline(const Camera &cam, StreamType type);

    // 辅助：构建 map key
    static std::string make_stream_key(const std::string &cam_name, StreamType type);
};