49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
|
#pragma once
|
|||
|
|
|
|||
|
|
#include <chrono>
|
|||
|
|
#include <filesystem>
|
|||
|
|
#include <string>
|
|||
|
|
#include <unordered_map>
|
|||
|
|
#include <vector>
|
|||
|
|
|
|||
|
|
struct RecordFileInfo
|
|||
|
|
{
|
|||
|
|
std::string stream; // AHD1_main
|
|||
|
|
std::string path; // /sata/record/AHD1_main/2025-11-13/10/10-23-17.mp4
|
|||
|
|
int64_t start_ms; // 文件起始时间（ms）
|
|||
|
|
int64_t end_ms; // 文件结束时间（ms）
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
struct RecordSegment
|
|||
|
|
{
|
|||
|
|
int index; // 段号
|
|||
|
|
std::string segment_id;
|
|||
|
|
int64_t start_ms;
|
|||
|
|
int64_t end_ms;
|
|||
|
|
std::vector<RecordFileInfo> files;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
class RecordManager
|
|||
|
|
{
|
|||
|
|
public:
|
|||
|
|
explicit RecordManager(const std::string& base_dir);
|
|||
|
|
|
|||
|
|
// 执行一次全扫描
|
|||
|
|
void scanAll();
|
|||
|
|
|
|||
|
|
// 查询时间段的录像段
|
|||
|
|
std::vector<RecordSegment> querySegments(const std::string& stream, int64_t start_ms, int64_t end_ms);
|
|||
|
|
|
|||
|
|
// 根据 segmentId 获取可播放文件列表
|
|||
|
|
RecordSegment getSegment(const std::string& segmentId);
|
|||
|
|
|
|||
|
|
private:
|
|||
|
|
std::string base_dir_; // /sata/record/
|
|||
|
|
std::unordered_map<std::string, std::vector<RecordFileInfo>> index_;
|
|||
|
|
|
|||
|
|
// 解析文件名得到 start_ms 和 end_ms
|
|||
|
|
RecordFileInfo parseFile(const std::filesystem::path& p);
|
|||
|
|
|
|||
|
|
// 给一个 stream 的文件列表排序
|
|||
|
|
void sortStream(const std::string& stream);
|
|||
|
|
};
|