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Functions788 in github.com/2234839/ai-nvr

⨍ Functions 788◇ Types & classes 243

↓ 2 callersMethodrefreshRules

刷新规则缓存并动态订阅新事件类型

src/alert/engine.ts:52

↓ 2 callersMethodregisterFiles

批量注册（事务）

src/storage/file-index.ts:139

↓ 2 callersMethodremoveByTrack

按 cameraId + trackId 删除标签

src/storage/track-labels.ts:119

↓ 2 callersMethodremoveFile

移除文件索引

src/storage/file-index.ts:157

↓ 2 callersMethodremovePreset

删除预置位（仅 ONVIF 驱动支持）

src/ptz/index.ts:306

↓ 2 callersMethodremoveRule

删除规则

src/alert/storage.ts:224

↓ 2 callersFunctionresetIdle

重置空闲计时器

src/api/index.ts:795

↓ 2 callersMethodresetWatchdog

重置看门狗：更新最后数据时间（不再高频创建/销毁定时器）

src/camera/h264-fmp4-muxer.ts:924

↓ 2 callersMethodresetWatchdog

()

src/camera/jpeg-extractor.ts:273

↓ 2 callersFunctionresumeWs

恢复 WebSocket 连接（复用现有 MSE 管道）

web/src/composables/useFmp4Stream.ts:765

↓ 2 callersMethodrunFfmpegAsync

异步执行 ffmpeg 截帧

src/storage/thumbnails.ts:71

↓ 2 callersMethodscanForEoi

(data: Buffer, frames: Buffer[])

src/camera/jpeg-extractor.ts:46

↓ 2 callersMethodscheduleEventStop

event 模式：延迟停止录像

src/storage/recorder.ts:305

↓ 2 callersFunctionscheduleReconnect

重连

web/src/composables/useFmp4Stream.ts:671

↓ 2 callersMethodsendSubscribe

发送订阅消息到后端

web/src/services/events.ts:208

↓ 2 callersMethodsetHomePosition

()

src/ptz/index.ts:75

↓ 2 callersMethodsetPreset

设置当前位为预置位（仅 ONVIF 驱动支持）

src/ptz/index.ts:299

↓ 2 callersMethodsnapshotFrom

取出指定时间之后的所有 segments（拷贝，不清空）

src/storage/fmp4-ring-buffer.ts:96

↓ 2 callersMethodspawnFfmpeg

()

src/camera/h264-fmp4-muxer.ts:812

↓ 2 callersMethodspawnFfmpeg

()

src/camera/jpeg-extractor.ts:156

↓ 2 callersMethodstart

启动分析器

src/ai/multimodal-analyzer.ts:161

↓ 2 callersMethodstartMode

根据模式启动对应的订阅

src/storage/recorder.ts:155

↓ 2 callersMethodstop

停止分析器

src/ai/multimodal-analyzer.ts:187

↓ 2 callersMethodtextEmbed

* 提取文本的 CLIP 嵌入向量 * 用于语义搜索（文字描述匹配追踪目标）

src/ai/clip-service.ts:468

↓ 2 callersMethodtrackAdd

记录文件新增，返回 stat 结果供调用者复用（避免重复 stat）

src/storage/storage-fs.ts:283

↓ 2 callersFunctiontruncateEmbedding

截断嵌入维度（Matryoshka）

src/ai/clip-worker.ts:112

↓ 2 callersMethodupdateConfig

更新配置并重载模型

src/ai/clip-service.ts:537

↓ 1 callersFunctionacquire

()

src/observer/clip-extractor.ts:47

↓ 1 callersMethodacquire

()

src/ai/multimodal-analyzer.ts:120

↓ 1 callersMethodacquireSlot

()

src/ai/patrol.ts:174

↓ 1 callersFunctionaddCameraToConfig

(cam: { id: string; friendlyName: string; hdUrl: string; sdUrl: string; detectFps?: number; group?: string })

src/config.ts:343

↓ 1 callersMethodaddObserver

添加观测器

src/observer/storage.ts:204

↓ 1 callersMethodaddRule

添加规则

src/alert/storage.ts:182

↓ 1 callersMethodaddSignal

添加信号

src/signal/store.ts:172

↓ 1 callersMethodanalyzeCamera

分析单个摄像头

src/ai/patrol.ts:197

↓ 1 callersMethodanalyzeNow

按需分析：前端触发时直接分析指定摄像头当前帧（跳过节流）

src/ai/multimodal-analyzer.ts:207

↓ 1 callersMethodappendSingleFrame

( src: CameraSource, timestamp: number, imageWidth: number, cameraFrames: Map<string, { origin

src/observer/frame-prep.ts:234

↓ 1 callersMethodappendVideoClipFrames

( src: CameraSource, timestamp: number, imageWidth: number, userContent: Array<{ type: string;

src/observer/frame-prep.ts:187

↓ 1 callersFunctionbindVideoEvents

绑定 video 元素的关键事件

web/src/composables/useFmp4Stream.ts:168

↓ 1 callersMethodbuild

* 构建 system prompt * @param obs 观测器配置 * @param hasContext 是否有上下文帧或多摄像头 * @param signals 关联信号（注入当前值作为上下文，同时要求 VLM 评估并返回新值） * @param langIns

src/observer/prompt-builder.ts:64

↓ 1 callersMethodbuildDetail

构建告警详情

src/alert/engine.ts:136

↓ 1 callersMethodbuildFfmpegArgs

* 构建完整 ffmpeg 参数（单进程 fMP4 + JPEG 双输出） * filter_complex split 解码一次，同时输出 fMP4（pipe:1）和 JPEG（pipe:3）

src/camera/h264-fmp4-muxer.ts:680

↓ 1 callersMethodbuildMail

构建邮件内容

src/notify/email.ts:79

↓ 1 callersMethodbuildMessage

构建钉钉 markdown 消息

src/notify/dingtalk.ts:70

↓ 1 callersMethodbuildPayload

构建 Webhook 载荷

src/notify/webhook.ts:76

↓ 1 callersMethodbuildRoiMaskFromPolygons

(polygons: ReturnType<RoiStorage["getEnabledPolygons"]>, width: number, height: number)

src/detection/motion.ts:205

↓ 1 callersMethodbuildWatermarkFilter

构建摄像头名称水印的 drawtext 滤镜字符串

src/storage/fmp4-writer.ts:159

↓ 1 callersMethodcacheKey

生成缓存 key

src/storage/thumbnails.ts:111

↓ 1 callersMethodcalcDirSizeAsync

异步计算目录大小

src/storage/disk-usage.ts:195

↓ 1 callersMethodcalibrateAsync

* 手动全量校准（仅用户主动触发） * 异步扫描文件系统，重建 SQLite 中的用量数据

src/storage/disk-usage.ts:163

↓ 1 callersMethodcall

调用 VLM API

src/observer/vlm-client.ts:36

↓ 1 callersFunctioncaptureFrame

用 ffmpeg 抽取单个时间点的 JPEG 帧（pipe 模式，不落盘）

src/observer/clip-extractor.ts:89

↓ 1 callersFunctioncatchUpToLive

追赶直播：PTS 均匀递增，只需处理异常延迟

web/src/composables/useFmp4Stream.ts:217

↓ 1 callersMethodcheck

检查规则是否触发，返回 true 表示应触发告警

src/alert/window.ts:27

↓ 1 callersMethodcheckLowFps

检查所有在线摄像头的帧率，连续低帧率时发出事件

src/monitor.ts:167

↓ 1 callersMethodcheckNearMatchTrend

近匹配趋势检测

src/observer/result-processor.ts:197

↓ 1 callersFunctioncleanupFmp4Connection

(ws: WsClient)

src/api/index.ts:325

↓ 1 callersFunctionclearToken

()

web/src/services/auth.ts:21

↓ 1 callersMethodclose

关闭写入器，完成文件

src/storage/fmp4-writer.ts:115

↓ 1 callersMethodcomputeColorHistExtract

内部：从预计算区域提取颜色直方图

src/storage/tracks.ts:540

↓ 1 callersMethodcomputeDHashExtract

内部：从预计算区域提取 dHash

src/storage/tracks.ts:498

↓ 1 callersFunctioncomputeIoU

( a: { xmin: number; ymin: number; xmax: number; ymax: number }, b: { xmin: number; ymin: number; xmax: nu

src/ai/detect-worker.ts:87

↓ 1 callersMethodcomputeLBPExtract

内部：从预计算区域提取 LBP 直方图

src/storage/tracks.ts:608

↓ 1 callersMethodcomputeMaxTokens

计算 maxTokens：有信号评估/区域/多摄像头时需要更多 token

src/observer/prompt-builder.ts:97

↓ 1 callersFunctioncomputeTargetTimestamps

计算均匀分布的目标时间点

src/observer/clip-extractor.ts:64

↓ 1 callersMethodconfigChanged

判断摄像头配置是否需要重启

src/camera/manager.ts:208

↓ 1 callersMethodcountByCamera

按摄像头统计事件数量

src/storage/events.ts:217

↓ 1 callersMethodcountByDetectionLabel

* 按检测目标标签统计（从 detect 事件的 detail JSON 中提取） * 兼容新格式 {labels: {person: 2}} 和旧格式 {detections: [{label: "person"}, ...]}

src/storage/events.ts:187

↓ 1 callersMethodcountByHour

按小时统计事件数量（用于时间线图表）

src/storage/events.ts:208

↓ 1 callersMethodcountByType

按类型统计事件数量

src/storage/events.ts:170

↓ 1 callersMethodcountChanges

查询变更记录数量

src/signal/store.ts:294

↓ 1 callersMethodcountRecords

查询记录数量

src/observer/storage.ts:287

↓ 1 callersMethodcreateDirect

* 创建直接写入模式的 writer（零转码） * 将 fMP4 数据直接写入文件，无需 ffmpeg 进程

src/storage/fmp4-writer.ts:38

↓ 1 callersMethodcreateResizer

(imageWidth: number)

src/observer/frame-prep.ts:122

↓ 1 callersMethodcreateTranscode

* 创建转码写入模式的 writer（带水印） * 启动 ffmpeg 进程，从 stdin 读取 fMP4，添加 drawtext 滤镜后输出 MP4

src/storage/fmp4-writer.ts:48

↓ 1 callersMethoddefaultForType

(valueType: string)

src/signal/store.ts:317

↓ 1 callersFunctiondismiss

(id: number)

web/src/composables/useToast.ts:37

↓ 1 callersMethoddispose

销毁

src/ai/clip-service.ts:564

↓ 1 callersMethoddoAnalyze

实际分析逻辑

src/ai/multimodal-analyzer.ts:251

↓ 1 callersMethoddoCleanup

()

src/storage/cleaner.ts:97

↓ 1 callersMethoddoParse

(content: string)

src/observer/vlm-client.ts:89

↓ 1 callersMethoddrain

取出全部 segments 并清空缓冲区（用于 motion 模式预缓冲 drain）

src/storage/fmp4-ring-buffer.ts:73

↓ 1 callersFunctiondrainPending

()

src/ai/detect-worker.ts:183

↓ 1 callersMethodemitObservationEvent

发出观测事件

src/observer/result-processor.ts:166

↓ 1 callersFunctionencodeAndSendFmp4Media

(moofData: Buffer, mdatData: Buffer, clientSet: Set<WsClient>)

src/api/index.ts:272

↓ 1 callersFunctionencodeFmp4Init

封装 fMP4 init segment 为带协议头的二进制消息 * 协议格式: [0x01][2B video_codec_len LE][video_codec][2B audio_codec_len LE][audio_codec][fMP4 data] * audio_cod

src/api/index.ts:238

↓ 1 callersFunctionencodeFmp4Media

封装已合并的 media segment（用于缓存首帧，无需拆分）

src/api/index.ts:284

↓ 1 callersFunctionencodeFmp4MediaFromParts

封装 fMP4 media segment：直接拼接协议头 + moof + mdat，跳过 parser 层 concat2 的中间合并

src/api/index.ts:253

↓ 1 callersFunctionensureFmp4GlobalDispatcher

(bus: EventBus)

src/api/index.ts:204

↓ 1 callersMethodensureProfile

确保档案存在

src/ai/track-activity.ts:207

↓ 1 callersFunctionensureSourceBuffer

创建或重建 SourceBuffer（视频 + 可选音频），返回是否成功

web/src/composables/useFmp4Stream.ts:372

↓ 1 callersFunctionevaluate

(expr: ConditionExpr, payload: Record<string, unknown>)

src/alert/condition.ts:38

↓ 1 callersMethodexecute

执行告警动作

src/alert/action.ts:37

↓ 1 callersMethodexecuteObserver

(obs: Observer, frame: Buffer, timestamp: number)

src/observer/engine.ts:72

↓ 1 callersMethodexecuteSetSignal

执行信号更新

src/alert/action.ts:83

↓ 1 callersMethodexecuteWebhook

执行自定义 Webhook

src/alert/action.ts:70

↓ 1 callersMethodexportAsync

* 异步导出视频片段（可选附带 AI 事件字幕）

src/storage/export.ts:47

↓ 1 callersFunctionextractClipFrames

( params: ClipExtractionParams, recordingEndTimes: number[], )

src/observer/clip-extractor.ts:145

↓ 1 callersMethodextractCodecFromMoov

从 moov 中提取 codec 字符串

src/camera/h264-fmp4-muxer.ts:279

↓ 1 callersMethodextractDimensionsFromMoov

从 moov 中提取视频分辨率

src/camera/h264-fmp4-muxer.ts:409

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