kunlang_video/include/rtmp_manager.hpp

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// rtmp_manager.hpp
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#pragma once
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#include <gst/gst.h>
#include <atomic>
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#include <mutex>
#include <string>
#include <thread>
#include <unordered_map>
#include <vector>
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#include "app_config.hpp"
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#include "logger.hpp"
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class RTMPManager
{
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public:
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struct StreamStatus
{
bool running{false};
std::string last_error;
};
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// 初始化与控制接口
static void init();
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static void start_all();
static void stop_all();
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static bool is_streaming(const std::string &cam_name);
static std::string get_stream_url(const std::string &cam_name);
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// 旧版接口(已保留)
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static std::vector<std::pair<std::string, bool>> get_all_status();
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// ✅ 新增:单通道状态结构体(用于心跳)
struct ChannelInfo
{
int loc; // 摄像头位置索引0~7
std::string url; // 正常时的推流地址
bool running; // 是否正常运行
std::string reason; // 错误原因(仅在异常时填)
};
// ✅ 新增:获取所有通道详细状态
static std::vector<ChannelInfo> get_all_channels_status();
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private:
struct StreamContext
{
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std::atomic<bool> running{false};
std::thread thread;
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StreamStatus status;
};
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static void stream_loop(Camera cam, StreamContext *ctx);
static GstElement *create_pipeline(const Camera &cam);
static std::string make_key(const std::string &name);
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static std::unordered_map<std::string, std::unique_ptr<StreamContext>> streams;
static std::mutex streams_mutex;
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static constexpr int RETRY_BASE_DELAY_MS = 3000;
};