Functions — github.com/2234839/ai-nvr

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Functions788 in github.com/2234839/ai-nvr

⨍ Functions 788◇ Types & classes 243

↓ 273 callersMethodpush

O(1) 追加一个 segment

src/storage/fmp4-ring-buffer.ts:53

↓ 268 callersMethodget

获取单个偏好值

src/storage/preferences.ts:46

↓ 115 callersMethodset

设置单个偏好值

src/storage/preferences.ts:52

↓ 79 callersMethodon

订阅事件

src/event-bus.ts:394

↓ 71 callersMethoddelete

删除偏好

src/storage/preferences.ts:76

↓ 63 callersMethodquery

查询事件列表（不带总数，用于内部查询）

src/storage/events.ts:121

↓ 54 callersMethodget

获取当前设置

src/runtime-config.ts:335

↓ 49 callersFunctionset

(path: string[], value: unknown)

src/config.ts:428

↓ 48 callersMethodprepare

( obs: Observer, primaryFrame: Buffer, timestamp: number, imageWidth: number, config: Fram

src/observer/frame-prep.ts:38

↓ 43 callersFunctionnumParam

安全解析数值参数，NaN 时返回 undefined

src/api/index.ts:19

↓ 41 callersMethodresolve

* 获取绝对路径

src/storage/storage-fs.ts:198

↓ 33 callersMethodemit

触发事件（热路径：for...of 比 forEach 快 ~10%，避免每次迭代闭包创建）

src/event-bus.ts:414

↓ 24 callersFunctionpad

(n: number)

src/storage/export.ts:10

↓ 23 callersMethodstart

启动引擎

src/alert/engine.ts:38

↓ 22 callersMethodclear

清空所有窗口

src/alert/window.ts:78

↓ 22 callersMethodclose

关闭数据库

src/storage/roi.ts:137

↓ 19 callersFunctionfetch

(req, server)

src/api/index.ts:2765

↓ 18 callersMethodstop

()

src/ptz/index.ts:67

↓ 17 callersMethodadd

添加 ROI

src/storage/roi.ts:71

↓ 15 callersFunctionesc

HTML 实体转义（防止 XSS）

src/notify/email.ts:6

↓ 13 callersMethodclear

清空缓冲区（保留 init segment）

src/storage/fmp4-ring-buffer.ts:113

↓ 11 callersMethodexists

* 检查文件是否存在（异步）

src/storage/storage-fs.ts:133

↓ 10 callersMethodgetRecordingPath

(relativePath: string)

src/observer/frame-prep.ts:13

↓ 10 callersMethodresize

调整最大字节容量

src/storage/fmp4-ring-buffer.ts:134

↓ 10 callersMethodsend

异步发送邮件（fire-and-forget）

src/notify/email.ts:173

↓ 9 callersMethodbuildConditions

构建查询条件

src/storage/events.ts:333

↓ 9 callersMethodremove

删除 ROI

src/storage/roi.ts:103

↓ 9 callersMethodscheduleSave

延迟保存（合并多次写入）

src/storage/tracks.ts:946

↓ 8 callersMethodclamp01

坐标 clamp 到 [0, 1]

src/observer/vlm-client.ts:164

↓ 8 callersFunctiongetStorageRoot

()

src/api/index.ts:177

↓ 8 callersMethodpurge

删除过期事件（分批删除避免长事务锁）

src/storage/events.ts:155

↓ 8 callersMethodpurgeAll

删除所有告警记录

src/alert/storage.ts:265

↓ 7 callersMethodaddEvent

添加事件记录

src/ai/track-activity.ts:233

↓ 7 callersMethodds

发送 DS 请求

src/ptz/tplink-ptz.ts:216

↓ 7 callersMethodgetDriver

获取驱动实例

src/ptz/index.ts:323

↓ 7 callersFunctiongetField

按字段路径从对象中安全取值

src/alert/condition.ts:20

↓ 7 callersMethodstat

* 获取文件 stat（异步）

src/storage/storage-fs.ts:120

↓ 6 callersMethodclose

()

src/alert/storage.ts:309

↓ 6 callersMethodcomputeFingerprints

* 并行计算三种指纹（dHash + 颜色直方图 + LBP） * 共享一次 metadata 调用和 extract 区域计算，3x → 1x I/O 开销

src/storage/tracks.ts:468

↓ 6 callersFunctiondoAppend

(data: BufferSource)

web/src/composables/useFmp4Stream.ts:496

↓ 6 callersMethodensureDir

* 确保目录存在（带缓存，跳过已确认存在的目录） * @param relativePath 相对路径（可以是文件路径，自动取 dirname）

src/storage/storage-fs.ts:83

↓ 6 callersMethodlistFiles

列出文件（支持过滤、分页）

src/storage/file-index.ts:177

↓ 6 callersMethodlistTracks

获取所有追踪目标（5 秒缓存，避免每次请求重建列表）

src/storage/tracks.ts:259

↓ 6 callersMethodmapRow

(row: Record<string, unknown>)

src/storage/track-labels.ts:145

↓ 6 callersMethodonEventTrigger

event 模式：事件触发录像

src/storage/recorder.ts:277

↓ 6 callersMethodrecord

记录一次推理

src/ai/metrics.ts:65

↓ 6 callersFunctionresolveModel

( models: LlmModelConfig[], llm: LlmConfig, modelId?: string, )

src/ai/multimodal-analyzer.ts:47

↓ 5 callersMethodcalibrate

* 从文件系统全量扫描填充索引（首次启动或手动触发） * 异步执行，不阻塞事件循环

src/storage/file-index.ts:248

↓ 5 callersFunctioncsvEscape

CSV 转义

src/api/index.ts:693

↓ 5 callersMethoddeleteFile

* 删除文件并记录增量 + 移除索引 * @param relativePath 相对路径 * @param indexMeta 可选的索引元数据，用于同步移除索引

src/storage/storage-fs.ts:62

↓ 5 callersMethodeffectiveRetention

* 根据磁盘压力计算有效保留天数 * warning (85-95%): 保留天数线性缩减到配置值的 50% * critical (>95%): 保留天数缩减到配置值的 25%

src/storage/cleaner.ts:78

↓ 5 callersFunctionensureLoaded

从后端加载全部偏好

web/src/composables/usePreferences.ts:18

↓ 5 callersMethodgetStatus

()

src/ai/patrol.ts:21

↓ 5 callersMethodlistRecordings

(cameraId?: string, since?: number, until?: number)

src/observer/frame-prep.ts:12

↓ 5 callersFunctionloadConfig

(configPath?: string)

src/config.ts:143

↓ 5 callersFunctionlocalTimestamp

本地时间格式化为 YYYY-MM-DD_HH-MM-SS

src/storage/export.ts:9

↓ 5 callersMethodregisterExport

注册导出文件到索引

src/storage/export.ts:374

↓ 5 callersMethodregisterFile

注册文件（写入/创建后调用）

src/storage/file-index.ts:126

↓ 5 callersMethodrowToEntry

将数据库行转为 FileEntry

src/storage/file-index.ts:315

↓ 5 callersMethodrunFfmpeg

异步执行 ffmpeg 命令

src/storage/export.ts:386

↓ 4 callersFunctionbackendUrl

(path: string)

web/src/services/backend.ts:25

↓ 4 callersMethoddeleteAllFiles

* 删除某个 category 下所有文件并清理索引 * @returns 删除的文件数量

src/storage/storage-fs.ts:266

↓ 4 callersMethoddeleteExpiredFiles

* 批量删除某个 category 下的过期文件 * @returns 删除的文件数量

src/storage/storage-fs.ts:238

↓ 4 callersMethodgetContextFrames

(cameraId: string, now: number, intervalMs: number, maxFrames?: number)

src/observer/frame-prep.ts:11

↓ 4 callersMethodgetDirName

从相对路径提取一级子目录名

src/storage/storage-fs.ts:305

↓ 4 callersMethodgetLatestFrame

(cameraId: string)

src/observer/types.ts:104

↓ 4 callersMethodgetOrCreateState

获取或创建摄像头录像状态

src/storage/recorder.ts:736

↓ 4 callersFunctiongetPref

(key: string, defaultValue?: T)

web/src/composables/usePreferences.ts:56

↓ 4 callersMethodgetSignal

获取单个信号

src/signal/store.ts:162

↓ 4 callersMethodgetSnapshotPath

获取快照文件路径

src/storage/tracks.ts:288

↓ 4 callersMethodgetTrack

获取单个追踪目标

src/storage/tracks.ts:332

↓ 4 callersMethodinvalidateListCache

使 listTracks 缓存失效

src/storage/tracks.ts:282

↓ 4 callersMethodreloadConfig

热重载配置

src/camera/manager.ts:168

↓ 4 callersFunctionremoveOld

(sb: SourceBuffer)

web/src/composables/useFmp4Stream.ts:380

↓ 4 callersFunctionsetPref

(key: string, value: unknown)

web/src/composables/usePreferences.ts:89

↓ 4 callersFunctionshow

(message: string, type: ToastItem['type'] = 'info', duration = DEFAULT_DURATION)

web/src/composables/useToast.ts:24

↓ 4 callersMethodstartCamera

启动单个摄像头

src/camera/manager.ts:217

↓ 4 callersFunctiontoChatCompletionsUrl

将用户配置的 LLM 地址规范化为 chat/completions 端点

src/api/index.ts:40

↓ 4 callersFunctionwithConfigLock

(fn: () => Promise<T>)

src/config.ts:10

↓ 3 callersMethodabsoluteMove

( position: { x?: number; y?: number; zoom?: number }, speed?: { x?: number; y?: number; zoom?: number

src/ptz/index.ts:68

↓ 3 callersMethodcachePath

向路径缓存添加条目，超限时淘汰最旧

src/storage/snapshots.ts:39

↓ 3 callersFunctioncheckAuth

(config: AuthConfig, req: Request)

src/auth.ts:14

↓ 3 callersFunctioncleanup

()

src/api/index.ts:804

↓ 3 callersMethodclear

清空所有监听器

src/event-bus.ts:455

↓ 3 callersMethodclearWatchdog

清除看门狗定时器

src/camera/h264-fmp4-muxer.ts:937

↓ 3 callersMethodclearWatchdog

()

src/camera/jpeg-extractor.ts:285

↓ 3 callersMethodcomputeAppearanceDistance

* 计算综合外观距离（dHash + 颜色 + LBP 三维特征融合） * 权重：dHash 0.35 + 颜色 0.35 + LBP 0.30 * 缺少某个特征时，其权重分配给已有特征

src/storage/tracks.ts:705

↓ 3 callersFunctionconcat2

O(1) 快速拼接两个 Buffer（避免 Buffer.concat 对 2 元素数组的迭代开销）

src/camera/h264-fmp4-muxer.ts:77

↓ 3 callersMethodconnect

连接

web/src/services/events.ts:110

↓ 3 callersMethodcontinuousMove

( velocity: { x?: number; y?: number; zoom?: number }, timeout?: number, )

src/ptz/index.ts:63

↓ 3 callersMethodcountByTrackId

* 批量统计所有追踪目标的行为事件数量 * 使用 SQLite json_extract 直接在 SQL 层聚合，避免全量加载到 JS 内存

src/storage/events.ts:229

↓ 3 callersMethodcropAndSave

从帧中裁剪目标区域并保存为快照

src/storage/tracks.ts:905

↓ 3 callersMethodensureLoaded

从 SQLite 加载到内存缓存

src/storage/disk-usage.ts:63

↓ 3 callersMethodfeed

处理一块数据，返回完整帧列表

src/camera/jpeg-extractor.ts:28

↓ 3 callersMethodfindSnapshotPath

根据 cameraId + timestamp 查找对应的快照相对路径（优先内存缓存）

src/storage/snapshots.ts:206

↓ 3 callersMethodfinishRecording

结束录像：关闭 writer，注册文件索引

src/storage/recorder.ts:532

↓ 3 callersMethodforceClose

强制关闭（不等 ffmpeg 优雅退出）

src/storage/fmp4-writer.ts:141

↓ 3 callersMethodforceStop

立即强制停止录像

src/storage/recorder.ts:621

↓ 3 callersMethodgetById

按 ID 获取 ROI

src/storage/roi.ts:64

↓ 3 callersMethodgetFfmpegPath

获取 ffmpeg 路径

src/camera/manager.ts:56

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