safesight/edge/plugins/alarm/frame_ring_buffer.h
tian 29d9ef5d0d refactor: 项目结构梳理 - 设备端/管理端对称布局
仓库结构:
  edge/     设备端(原根目录设备端代码整体移入)
  control/  管理端(清理后)
  docs/     文档(PRD 移入 design/)
  README.md 根导航(新增)

清理:
- control/.brainstorm 临时草稿删除
- control 根级重复文档(API表/PRD_04)并入 docs/design/
- control/plan.md -> docs/implementation/control-plan.md
- control/safesightd-linux-arm64 二进制取消版本控制(.gitignore)
- edge/transform 模型转换产物归入 models/,onnx/pt 大源文件取消跟踪(.gitignore)
- Readme.md(PRD) -> docs/design/PRD_Product_v1.2.md(避开 README 大小写冲突)

更新:
- 根 README.md 导航、docs/README.md 文档索引
- deployment.md/检查表路径加 edge/ 前缀
- .gitignore 重写(edge/control 分区规则)
2026-08-02 11:39:54 +08:00

43 lines
986 B
C++

#pragma once
#include <chrono>
#include <cstdint>
#include <deque>
#include <memory>
#include <mutex>
#include <vector>
#include "frame/frame.h"
namespace rk3588 {
class FrameRingBuffer {
public:
explicit FrameRingBuffer(int pre_event_sec = 5, int post_event_sec = 0, int fps_hint = 25);
void Push(std::shared_ptr<Frame> frame);
void Push(std::shared_ptr<Frame> frame, uint64_t ts_ms);
std::vector<std::shared_ptr<Frame>> GetFramesInRange(uint64_t start_ts_ms, uint64_t end_ts_ms) const;
bool FindTimestampByFrameId(uint64_t frame_id, uint64_t& out_ts_ms) const;
uint64_t LatestTimestampMs() const;
void Clear();
size_t Size() const;
private:
struct Entry {
uint64_t ts_ms = 0;
std::shared_ptr<Frame> frame;
};
mutable std::mutex mutex_;
std::deque<Entry> buffer_;
uint64_t last_ts_ms_ = 0;
size_t max_frames_;
int pre_event_sec_;
int post_event_sec_;
int fps_hint_;
};
} // namespace rk3588