Files
scrypted/plugins/objectdetector/src/main.ts
2023-04-10 14:30:14 -07:00

1005 lines
34 KiB
TypeScript

import { Deferred } from '@scrypted/common/src/deferred';
import { sleep } from '@scrypted/common/src/sleep';
import sdk, { Camera, DeviceProvider, DeviceState, EventListenerRegister, MediaObject, MediaStreamDestination, MixinDeviceBase, MixinProvider, MotionSensor, ObjectDetection, ObjectDetectionGeneratorResult, ObjectDetectionModel, ObjectDetectionTypes, ObjectDetector, ObjectsDetected, ScryptedDevice, ScryptedDeviceType, ScryptedInterface, ScryptedMimeTypes, ScryptedNativeId, Setting, Settings, SettingValue, VideoCamera, VideoFrame, VideoFrameGenerator } from '@scrypted/sdk';
import { StorageSettings } from '@scrypted/sdk/storage-settings';
import crypto from 'crypto';
import { AutoenableMixinProvider } from "../../../common/src/autoenable-mixin-provider";
import { SettingsMixinDeviceBase } from "../../../common/src/settings-mixin";
import { FFmpegVideoFrameGenerator, sharpLib } from './ffmpeg-videoframes';
import { serverSupportsMixinEventMasking } from './server-version';
import { getAllDevices, safeParseJson } from './util';
const polygonOverlap = require('polygon-overlap');
const insidePolygon = require('point-inside-polygon');
const { systemManager } = sdk;
const defaultDetectionDuration = 20;
const defaultDetectionInterval = 60;
const defaultDetectionTimeout = 60;
const defaultMotionDuration = 10;
const BUILTIN_MOTION_SENSOR_ASSIST = 'Assist';
const BUILTIN_MOTION_SENSOR_REPLACE = 'Replace';
const objectDetectionPrefix = `${ScryptedInterface.ObjectDetection}:`;
type ClipPath = [number, number][];
type Zones = { [zone: string]: ClipPath };
interface ZoneInfo {
exclusion?: boolean;
type?: 'Intersect' | 'Contain';
classes?: string[];
scoreThreshold?: number;
secondScoreThreshold?: number;
}
type ZoneInfos = { [zone: string]: ZoneInfo };
class ObjectDetectionMixin extends SettingsMixinDeviceBase<VideoCamera & Camera & MotionSensor & ObjectDetector> implements ObjectDetector, Settings {
motionListener: EventListenerRegister;
motionMixinListener: EventListenerRegister;
detections = new Map<string, MediaObject>();
cameraDevice: ScryptedDevice & Camera & VideoCamera & MotionSensor & ObjectDetector;
storageSettings = new StorageSettings(this, {
newPipeline: {
title: 'Video Pipeline',
description: 'Configure how frames are provided to the video analysis pipeline.',
onGet: async () => {
const choices = [
'Default',
...getAllDevices().filter(d => d.interfaces.includes(ScryptedInterface.VideoFrameGenerator)).map(d => d.name),
];
if (!this.hasMotionType)
choices.push('Snapshot');
return {
choices,
}
},
onPut: () => {
this.endObjectDetection();
this.maybeStartMotionDetection();
},
defaultValue: 'Default',
},
motionSensorSupplementation: {
title: 'Built-In Motion Sensor',
description: `This camera has a built in motion sensor. Using ${this.objectDetection.name} may be unnecessary and will use additional CPU. Replace will ignore the built in motion sensor. Filter will verify the motion sent by built in motion sensor. The Default is ${BUILTIN_MOTION_SENSOR_REPLACE}.`,
choices: [
'Default',
BUILTIN_MOTION_SENSOR_ASSIST,
BUILTIN_MOTION_SENSOR_REPLACE,
],
defaultValue: "Default",
onPut: () => {
this.endObjectDetection();
this.maybeStartMotionDetection();
}
},
detectionDuration: {
title: 'Detection Duration',
subgroup: 'Advanced',
description: 'The duration in seconds to analyze video when motion occurs.',
type: 'number',
defaultValue: defaultDetectionDuration,
},
detectionTimeout: {
title: 'Detection Timeout',
subgroup: 'Advanced',
description: 'Timeout in seconds before removing an object that is no longer detected.',
type: 'number',
defaultValue: defaultDetectionTimeout,
},
motionDuration: {
title: 'Motion Duration',
description: 'The duration in seconds to wait to reset the motion sensor.',
type: 'number',
defaultValue: defaultMotionDuration,
},
motionAsObjects: {
title: 'Motion Detection Objects',
description: 'Report motion detections as objects (useful for debugging).',
type: 'boolean',
},
detectionInterval: {
type: 'number',
defaultValue: defaultDetectionInterval,
hide: true,
},
});
motionTimeout: NodeJS.Timeout;
zones = this.getZones();
zoneInfos = this.getZoneInfos();
detectionIntervalTimeout: NodeJS.Timeout;
analyzeStop = 0;
detectorSignal = new Deferred<void>().resolve();
get detectorRunning() {
return !this.detectorSignal.finished;
}
constructor(public plugin: ObjectDetectionPlugin, mixinDevice: VideoCamera & Camera & MotionSensor & ObjectDetector & Settings, mixinDeviceInterfaces: ScryptedInterface[], mixinDeviceState: { [key: string]: any }, providerNativeId: string, public objectDetection: ObjectDetection & ScryptedDevice, public model: ObjectDetectionModel, group: string, public hasMotionType: boolean, public settings: Setting[]) {
super({
mixinDevice, mixinDeviceState,
mixinProviderNativeId: providerNativeId,
mixinDeviceInterfaces,
group,
groupKey: "objectdetectionplugin:" + objectDetection.id,
mixinStorageSuffix: objectDetection.id,
});
this.cameraDevice = systemManager.getDeviceById<Camera & VideoCamera & MotionSensor & ObjectDetector>(this.id);
this.bindObjectDetection();
this.register();
this.resetDetectionTimeout();
}
clearDetectionTimeout() {
clearTimeout(this.detectionIntervalTimeout);
this.detectionIntervalTimeout = undefined;
}
resetDetectionTimeout() {
this.clearDetectionTimeout();
this.detectionIntervalTimeout = setInterval(async () => {
if (this.hasMotionType) {
// force a motion detection restart if it quit
if (this.motionSensorSupplementation === BUILTIN_MOTION_SENSOR_REPLACE)
this.startPipelineAnalysis();
return;
}
}, this.storageSettings.values.detectionInterval * 1000);
}
clearMotionTimeout() {
clearTimeout(this.motionTimeout);
this.motionTimeout = undefined;
}
resetMotionTimeout() {
this.clearMotionTimeout();
this.motionTimeout = setTimeout(() => {
this.motionDetected = false;
// if (this.motionSensorSupplementation === BUILTIN_MOTION_SENSOR_ASSIST) {
// this.console.log(`${this.objectDetection.name} timed out confirming motion, stopping video detection.`)
// this.endObjectDetection();
// }
}, this.storageSettings.values.motionDuration * 1000);
}
getCurrentSettings() {
if (!this.settings)
return;
const ret: { [key: string]: any } = {};
for (const setting of this.settings) {
ret[setting.key] = (setting.multiple ? safeParseJson(this.storage.getItem(setting.key)) : this.storage.getItem(setting.key))
|| setting.value;
}
if (this.hasMotionType)
ret['motionAsObjects'] = this.storageSettings.values.motionAsObjects;
return ret;
}
async maybeStartMotionDetection() {
if (!this.hasMotionType)
return;
if (this.motionSensorSupplementation !== BUILTIN_MOTION_SENSOR_REPLACE)
return;
this.startPipelineAnalysis();
}
endObjectDetection() {
this.detectorSignal.resolve();
}
bindObjectDetection() {
if (this.hasMotionType)
this.motionDetected = false;
this.endObjectDetection();
this.maybeStartMotionDetection();
}
async register() {
const model = await this.objectDetection.getDetectionModel();
if (!this.hasMotionType) {
this.motionListener = this.cameraDevice.listen(ScryptedInterface.MotionSensor, async () => {
if (!this.cameraDevice.motionDetected) {
if (this.detectorRunning) {
// allow anaysis due to user request.
if (this.analyzeStop > Date.now())
return;
this.console.log('motion stopped, cancelling ongoing detection')
this.endObjectDetection();
}
return;
}
this.startPipelineAnalysis();
});
return;
}
if (this.hasMotionType) {
this.motionMixinListener = this.cameraDevice.listen({
event: ScryptedInterface.MotionSensor,
mixinId: this.id,
}, async (source, details, data) => {
if (this.motionSensorSupplementation !== BUILTIN_MOTION_SENSOR_ASSIST)
return;
if (data) {
if (this.motionDetected)
return;
if (!this.detectorRunning)
this.console.log('built in motion sensor started motion, starting video detection.');
this.startPipelineAnalysis();
return;
}
this.clearMotionTimeout();
if (this.detectorRunning) {
this.console.log('built in motion sensor ended motion, stopping video detection.')
this.endObjectDetection();
}
if (this.motionDetected)
this.motionDetected = false;
});
}
}
startPipelineAnalysis() {
if (!this.detectorSignal.finished)
return;
const signal = this.detectorSignal = new Deferred();
if (!this.hasMotionType)
this.plugin.objectDetectionStarted(this.console);
const options = {
onObjectDetection: () => this.plugin.trackDetection(),
};
const start = Date.now();
this.runPipelineAnalysis(signal, options)
.catch(e => {
this.console.error('Video Analysis ended with error', e);
}).finally(() => {
if (!this.hasMotionType)
this.plugin.objectDetectionEnded(this.console);
else
this.console.log('Video Analysis motion detection ended.');
signal.resolve();
});
}
async runPipelineAnalysis(signal: Deferred<void>, options: {
onObjectDetection: () => void,
}) {
const start = Date.now();
this.analyzeStop = start + this.getDetectionDuration();
let lastStatusTime = Date.now();
let lastStatus = 'starting';
const updatePipelineStatus = (status: string) => {
lastStatus = status;
lastStatusTime = Date.now();
}
let frameGenerator: AsyncGenerator<VideoFrame & MediaObject, void>;
let detectionGenerator: AsyncGenerator<ObjectDetectionGeneratorResult, void>;
const interval = setInterval(() => {
if (Date.now() - lastStatusTime > 30000) {
signal.resolve();
this.console.error('VideoAnalysis is hung and will terminate:', lastStatus);
}
}, 30000);
signal.promise.finally(() => clearInterval(interval));
let newPipeline: string = this.newPipeline;
if (!this.hasMotionType && (!newPipeline || newPipeline === 'Default')) {
if (this.plugin.shouldUseSnapshotPipeline()) {
newPipeline = 'Snapshot';
this.console.warn(`Due to limited performance, Snapshot mode is being used with ${this.plugin.statsSnapshotConcurrent} actively detecting cameras.`);
}
}
if (newPipeline === 'Snapshot' && !this.hasMotionType) {
this.console.log('decoder:', 'Snapshot +', this.objectDetection.name);
const self = this;
frameGenerator = (async function* gen() {
try {
while (!signal.finished) {
const now = Date.now();
const sleeper = async () => {
const diff = now + 1100 - Date.now();
if (diff > 0)
await sleep(diff);
};
let image: MediaObject & VideoFrame;
try {
updatePipelineStatus('takePicture');
const mo = await self.cameraDevice.takePicture({
reason: 'event',
});
updatePipelineStatus('converting image');
image = await sdk.mediaManager.convertMediaObject(mo, ScryptedMimeTypes.Image);
}
catch (e) {
self.console.error('Video analysis snapshot failed. Will retry in a moment.');
await sleeper();
continue;
}
// self.console.log('yield')
updatePipelineStatus('processing image');
yield image;
// self.console.log('done yield')
await sleeper();
}
}
finally {
self.console.log('Snapshot generation finished.');
}
})();
}
else {
const destination: MediaStreamDestination = this.hasMotionType ? 'low-resolution' : 'local-recorder';
const videoFrameGenerator = systemManager.getDeviceById<VideoFrameGenerator>(newPipeline);
if (!videoFrameGenerator)
throw new Error('invalid VideoFrameGenerator');
this.console.log(videoFrameGenerator.name, '+', this.objectDetection.name);
updatePipelineStatus('getVideoStream');
const stream = await this.cameraDevice.getVideoStream({
destination,
// ask rebroadcast to mute audio, not needed.
audio: null,
});
frameGenerator = await videoFrameGenerator.generateVideoFrames(stream, {
resize: this.model?.inputSize ? {
width: this.model.inputSize[0],
height: this.model.inputSize[1],
} : undefined,
format: this.model?.inputFormat,
});
}
signal.promise.finally(() => frameGenerator.return());
const currentDetections = new Set<string>();
let lastReport = 0;
detectionGenerator = await sdk.connectRPCObject(await this.objectDetection.generateObjectDetections(frameGenerator, {
settings: this.getCurrentSettings(),
sourceId: this.id,
}));
signal.promise.finally(() => detectionGenerator.return());
updatePipelineStatus('waiting result');
for await (const detected of detectionGenerator) {
if (signal.finished) {
break;
}
if (!this.hasMotionType && Date.now() > this.analyzeStop) {
break;
}
// apply the zones to the detections and get a shallow copy list of detections after
// exclusion zones have applied
const zonedDetections = this.applyZones(detected.detected);
detected.detected.detections = zonedDetections;
// this.console.warn('dps', detections / (Date.now() - start) * 1000);
if (!this.hasMotionType) {
options.onObjectDetection();
for (const d of detected.detected.detections) {
currentDetections.add(d.className);
}
const now = Date.now();
if (now > lastReport + 10000) {
const found = [...currentDetections.values()];
if (!found.length)
found.push('[no detections]');
this.console.log(`[${Math.round((now - start) / 100) / 10}s] Detected:`, ...found);
currentDetections.clear();
lastReport = now;
}
}
if (detected.detected.detectionId) {
updatePipelineStatus('creating jpeg');
const jpeg = await detected.videoFrame.toBuffer({
format: 'jpg',
});
updatePipelineStatus('converting jpeg');
const mo = await sdk.mediaManager.createMediaObject(jpeg, 'image/jpeg');
this.setDetection(detected.detected, mo);
// this.console.log('image saved', detected.detected.detections);
}
this.reportObjectDetections(detected.detected);
if (this.hasMotionType) {
await sleep(250);
}
updatePipelineStatus('waiting result');
// this.handleDetectionEvent(detected.detected);
}
}
normalizeBox(boundingBox: [number, number, number, number], inputDimensions: [number, number]) {
let [x, y, width, height] = boundingBox;
let x2 = x + width;
let y2 = y + height;
// the zones are point paths in percentage format
x = x * 100 / inputDimensions[0];
y = y * 100 / inputDimensions[1];
x2 = x2 * 100 / inputDimensions[0];
y2 = y2 * 100 / inputDimensions[1];
const box = [[x, y], [x2, y], [x2, y2], [x, y2]];
return box;
}
getDetectionDuration() {
// when motion type, the detection interval is a keepalive reset.
// the duration needs to simply be an arbitrarily longer time.
return this.hasMotionType ? this.storageSettings.values.detectionInterval * 1000 * 5 : this.storageSettings.values.detectionDuration * 1000;
}
applyZones(detection: ObjectsDetected) {
// determine zones of the objects, if configured.
if (!detection.detections)
return [];
let copy = detection.detections.slice();
for (const o of detection.detections) {
if (!o.boundingBox)
continue;
o.zones = []
const box = this.normalizeBox(o.boundingBox, detection.inputDimensions);
let included: boolean;
for (const [zone, zoneValue] of Object.entries(this.zones)) {
if (zoneValue.length < 3) {
// this.console.warn(zone, 'Zone is unconfigured, skipping.');
continue;
}
const zoneInfo = this.zoneInfos[zone];
// track if there are any inclusion zones
if (!zoneInfo?.exclusion && !included)
included = false;
let match = false;
if (zoneInfo?.type === 'Contain') {
match = insidePolygon(box[0], zoneValue) &&
insidePolygon(box[1], zoneValue) &&
insidePolygon(box[2], zoneValue) &&
insidePolygon(box[3], zoneValue);
}
else {
match = polygonOverlap(box, zoneValue);
}
if (match && zoneInfo?.classes?.length) {
match = zoneInfo.classes.includes(o.className);
}
if (match) {
o.zones.push(zone);
if (zoneInfo?.exclusion && match) {
copy = copy.filter(c => c !== o);
break;
}
included = true;
}
}
// if this is a motion sensor and there are no inclusion zones set up,
// use a default inclusion zone that crops the top and bottom to
// prevents errant motion from the on screen time changing every second.
if (this.hasMotionType && included === undefined) {
const defaultInclusionZone = [[0, 10], [100, 10], [100, 90], [0, 90]];
included = polygonOverlap(box, defaultInclusionZone);
}
// if there are inclusion zones and this object
// was not in any of them, filter it out.
if (included === false)
copy = copy.filter(c => c !== o);
}
return copy;
}
reportObjectDetections(detection: ObjectsDetected) {
if (this.hasMotionType) {
const found = detection.detections?.find(d => d.className === 'motion');
if (found) {
if (!this.motionDetected)
this.motionDetected = true;
this.resetMotionTimeout();
// if (this.motionSensorSupplementation === BUILTIN_MOTION_SENSOR_ASSIST) {
// if (!this.motionDetected) {
// this.motionDetected = true;
// this.console.log(`${this.objectDetection.name} confirmed motion, stopping video detection.`)
// this.endObjectDetection();
// this.clearMotionTimeout();
// }
// }
// else {
// if (!this.motionDetected)
// this.motionDetected = true;
// this.resetMotionTimeout();
// }
const areas = detection.detections.filter(d => d.className === 'motion' && d.score !== 1).map(d => d.score)
if (areas.length)
this.console.log('detection areas', areas);
}
}
if (!this.hasMotionType || this.storageSettings.values.motionAsObjects)
this.onDeviceEvent(ScryptedInterface.ObjectDetector, detection);
}
setDetection(detection: ObjectsDetected, detectionInput: MediaObject) {
if (!detection.detectionId)
detection.detectionId = crypto.randomBytes(4).toString('hex');
this.console.log('retaining detection image', ...detection.detections);
const { detectionId } = detection;
this.detections.set(detectionId, detectionInput);
setTimeout(() => {
this.detections.delete(detectionId);
}, 2000);
}
async getNativeObjectTypes(): Promise<ObjectDetectionTypes> {
if (this.mixinDeviceInterfaces.includes(ScryptedInterface.ObjectDetector))
return this.mixinDevice.getObjectTypes();
return {};
}
async getObjectTypes(): Promise<ObjectDetectionTypes> {
const ret = await this.getNativeObjectTypes();
if (!ret.classes)
ret.classes = [];
ret.classes.push(...(await this.objectDetection.getDetectionModel()).classes);
return ret;
}
async getDetectionInput(detectionId: any): Promise<MediaObject> {
const detection = this.detections.get(detectionId);
if (detection)
return detection;
if (this.mixinDeviceInterfaces.includes(ScryptedInterface.ObjectDetector))
return this.mixinDevice.getDetectionInput(detectionId);
throw new Error('Detection not found. It may have expired.');
}
get motionSensorSupplementation() {
if (!serverSupportsMixinEventMasking() || !this.interfaces.includes(ScryptedInterface.MotionSensor))
return BUILTIN_MOTION_SENSOR_REPLACE;
const supp = this.storage.getItem('motionSensorSupplementation');
switch (supp) {
case BUILTIN_MOTION_SENSOR_REPLACE:
return BUILTIN_MOTION_SENSOR_REPLACE;
case BUILTIN_MOTION_SENSOR_ASSIST:
return BUILTIN_MOTION_SENSOR_ASSIST;
}
// if (this.mixinDeviceInterfaces?.includes(ScryptedInterface.MotionSensor))
// return BUILTIN_MOTION_SENSOR_ASSIST;
return BUILTIN_MOTION_SENSOR_REPLACE;
}
get newPipeline() {
const newPipeline = this.storageSettings.values.newPipeline;
if (!newPipeline)
return newPipeline;
if (newPipeline === 'Snapshot')
return newPipeline;
const pipelines = getAllDevices().filter(d => d.interfaces.includes(ScryptedInterface.VideoFrameGenerator));
const webcodec = pipelines.find(p => p.nativeId === 'webcodec');
const gstreamer = pipelines.find(p => p.nativeId === 'gstreamer');
const libav = pipelines.find(p => p.nativeId === 'libav');
const ffmpeg = pipelines.find(p => p.nativeId === 'ffmpeg');
const use = pipelines.find(p => p.name === newPipeline) || webcodec || gstreamer || libav || ffmpeg;
return use.id;
}
async getMixinSettings(): Promise<Setting[]> {
const settings: Setting[] = [];
try {
this.settings = (await this.objectDetection.getDetectionModel(this.getCurrentSettings())).settings;
}
catch (e) {
}
if (this.settings) {
settings.push(...this.settings.map(setting =>
Object.assign({}, setting, {
placeholder: setting.placeholder?.toString(),
value: (setting.multiple ? safeParseJson(this.storage.getItem(setting.key)) : this.storage.getItem(setting.key))
|| setting.value,
} as Setting))
);
}
this.storageSettings.settings.motionSensorSupplementation.hide = !this.hasMotionType || !this.mixinDeviceInterfaces.includes(ScryptedInterface.MotionSensor);
this.storageSettings.settings.detectionDuration.hide = this.hasMotionType;
this.storageSettings.settings.detectionTimeout.hide = this.hasMotionType;
this.storageSettings.settings.motionDuration.hide = !this.hasMotionType;
this.storageSettings.settings.motionAsObjects.hide = !this.hasMotionType;
settings.push(...await this.storageSettings.getSettings());
settings.push({
key: 'zones',
title: 'Zones',
type: 'string',
description: 'Enter the name of a new zone or delete an existing zone.',
multiple: true,
value: Object.keys(this.zones),
choices: Object.keys(this.zones),
combobox: true,
});
for (const [name, value] of Object.entries(this.zones)) {
const zi = this.zoneInfos[name];
const subgroup = `Zone: ${name}`;
settings.push({
subgroup,
key: `zone-${name}`,
title: `Open Zone Editor`,
type: 'clippath',
value: JSON.stringify(value),
});
settings.push({
subgroup,
key: `zoneinfo-exclusion-${name}`,
title: `Exclusion Zone`,
description: 'Detections in this zone will be excluded.',
type: 'boolean',
value: zi?.exclusion,
});
settings.push({
subgroup,
key: `zoneinfo-type-${name}`,
title: `Zone Type`,
description: 'An Intersect zone will match objects that are partially or fully inside the zone. A Contain zone will only match objects that are fully inside the zone.',
choices: [
'Intersect',
'Contain',
],
value: zi?.type || 'Intersect',
});
}
if (!this.hasMotionType) {
settings.push(
{
title: 'Analyze',
description: 'Analyzes the video stream for 1 minute. Results will be shown in the Console.',
key: 'analyzeButton',
type: 'button',
},
);
}
return settings;
}
getZones(): Zones {
try {
return JSON.parse(this.storage.getItem('zones'));
}
catch (e) {
return {};
}
}
getZoneInfos(): ZoneInfos {
try {
return JSON.parse(this.storage.getItem('zoneInfos'));
}
catch (e) {
return {};
}
}
async putMixinSetting(key: string, value: string | number | boolean | string[] | number[]): Promise<void> {
let vs = value?.toString();
if (key === 'zones') {
const newZones: Zones = {};
const newZoneInfos: ZoneInfos = {};
for (const name of value as string[]) {
newZones[name] = this.zones[name] || [];
newZoneInfos[name] = this.zoneInfos[name];
}
this.zones = newZones;
this.zoneInfos = newZoneInfos;
this.storage.setItem('zones', JSON.stringify(newZones));
this.storage.setItem('zoneInfos', JSON.stringify(newZoneInfos));
return;
}
if (key.startsWith('zone-')) {
const zoneName = key.substring('zone-'.length);
if (this.zones[zoneName]) {
this.zones[zoneName] = JSON.parse(vs);
this.storage.setItem('zones', JSON.stringify(this.zones));
}
return;
}
if (key.startsWith('zoneinfo-')) {
const [zkey, zoneName] = key.substring('zoneinfo-'.length).split('-');
this.zoneInfos[zoneName] ||= {};
this.zoneInfos[zoneName][zkey] = value;
this.storage.setItem('zoneInfos', JSON.stringify(this.zoneInfos));
return;
}
if (this.storageSettings.settings[key]) {
return this.storageSettings.putSetting(key, value);
}
if (value && this.settings?.find(s => s.key === key)?.multiple) {
vs = JSON.stringify(value);
}
if (key === 'analyzeButton') {
// await this.snapshotDetection();
this.startPipelineAnalysis();
this.analyzeStop = Date.now() + 60000;
}
else {
const settings = this.getCurrentSettings();
if (settings && settings[key]) {
this.storage.setItem(key, vs);
settings[key] = value;
}
this.bindObjectDetection();
}
}
async release() {
super.release();
this.clearDetectionTimeout();
this.clearMotionTimeout();
this.motionListener?.removeListener();
this.motionMixinListener?.removeListener();
this.endObjectDetection();
}
}
class ObjectDetectorMixin extends MixinDeviceBase<ObjectDetection> implements MixinProvider {
currentMixins = new Set<ObjectDetectionMixin>();
constructor(mixinDevice: ObjectDetection, mixinDeviceInterfaces: ScryptedInterface[], mixinDeviceState: DeviceState, public plugin: ObjectDetectionPlugin, public model: ObjectDetectionModel) {
super({ mixinDevice, mixinDeviceInterfaces, mixinDeviceState, mixinProviderNativeId: plugin.nativeId });
// trigger mixin creation. todo: fix this to not be stupid hack.
for (const id of Object.keys(systemManager.getSystemState())) {
const device = systemManager.getDeviceById<VideoCamera & Settings>(id);
if (!device.mixins?.includes(this.id))
continue;
device.probe();
}
}
async canMixin(type: ScryptedDeviceType, interfaces: string[]): Promise<string[]> {
const hasMotionType = this.model.classes.includes('motion');
const prefix = `${objectDetectionPrefix}${hasMotionType}`;
const thisPrefix = `${prefix}:${this.id}`;
const found = interfaces.find(iface => iface.startsWith(prefix) && iface !== thisPrefix);
if (found)
return;
// this.console.log('found', found);
if ((type === ScryptedDeviceType.Camera || type === ScryptedDeviceType.Doorbell) && (interfaces.includes(ScryptedInterface.VideoCamera) || interfaces.includes(ScryptedInterface.Camera))) {
const ret: string[] = [
ScryptedInterface.ObjectDetector,
ScryptedInterface.Settings,
thisPrefix,
];
const model = await this.mixinDevice.getDetectionModel();
if (model.classes?.includes('motion')) {
ret.push(
ScryptedInterface.MotionSensor,
);
}
return ret;
}
}
async getMixin(mixinDevice: any, mixinDeviceInterfaces: ScryptedInterface[], mixinDeviceState: { [key: string]: any }) {
let objectDetection = systemManager.getDeviceById<ObjectDetection>(this.id);
const hasMotionType = this.model.classes.includes('motion');
const group = hasMotionType ? 'Motion Detection' : 'Object Detection';
// const group = objectDetection.name.replace('Plugin', '').trim();
const settings = this.model.settings;
const ret = new ObjectDetectionMixin(this.plugin, mixinDevice, mixinDeviceInterfaces, mixinDeviceState, this.mixinProviderNativeId, objectDetection, this.model, group, hasMotionType, settings);
this.currentMixins.add(ret);
return ret;
}
async releaseMixin(id: string, mixinDevice: any) {
this.currentMixins.delete(mixinDevice);
return mixinDevice.release();
}
}
interface ObjectDetectionStatistics {
dps: number;
sampleTime: number;
}
class ObjectDetectionPlugin extends AutoenableMixinProvider implements Settings, DeviceProvider {
currentMixins = new Set<ObjectDetectorMixin>();
objectDetectionStatistics = new Map<number, ObjectDetectionStatistics>();
statsSnapshotTime: number;
statsSnapshotDetections: number;
statsSnapshotConcurrent = 0;
storageSettings = new StorageSettings(this, {
activeMotionDetections: {
title: 'Active Motion Detection Sessions',
readonly: true,
mapGet: () => {
return [...this.currentMixins.values()]
.reduce((c1, v1) => c1 + [...v1.currentMixins.values()]
.reduce((c2, v2) => c2 + (v2.hasMotionType && v2.detectorRunning ? 1 : 0), 0), 0);
}
},
activeObjectDetections: {
title: 'Active Object Detection Sessions',
readonly: true,
mapGet: () => {
// could use the stats variable...
return [...this.currentMixins.values()]
.reduce((c1, v1) => c1 + [...v1.currentMixins.values()]
.reduce((c2, v2) => c2 + (!v2.hasMotionType && v2.detectorRunning ? 1 : 0), 0), 0);
},
}
});
shouldUseSnapshotPipeline() {
this.pruneOldStatistics();
for (const [k, v] of this.objectDetectionStatistics.entries()) {
// check the stats history to see if any sessions
// with same or lower number of cameras were on the struggle bus.
if (v.dps < 2 && k <= this.statsSnapshotConcurrent)
return true;
}
return false;
}
pruneOldStatistics() {
const now = Date.now();
for (const [k, v] of this.objectDetectionStatistics.entries()) {
// purge the stats every hour
if (Date.now() - v.sampleTime > 60 * 60 * 1000)
this.objectDetectionStatistics.delete(k);
}
}
trackDetection() {
this.statsSnapshotDetections++;
}
objectDetectionStarted(console?: Console) {
this.resetStats(console);
this.statsSnapshotConcurrent++;
}
objectDetectionEnded(console?: Console) {
this.resetStats(console);
this.statsSnapshotConcurrent--;
}
resetStats(console?: Console) {
const now = Date.now();
const concurrentSessions = this.statsSnapshotConcurrent;
if (concurrentSessions) {
const duration = now - this.statsSnapshotTime;
const stats: ObjectDetectionStatistics = {
sampleTime: now,
dps: this.statsSnapshotDetections / (duration / 1000),
};
// ignore short/busted sessions.
if (duration > 10000 && this.statsSnapshotDetections) {
this.objectDetectionStatistics.set(concurrentSessions, stats);
this.pruneOldStatistics();
}
const str = `video analysis, ${concurrentSessions} camera(s), dps: ${Math.round(stats.dps * 10) / 10} (${this.statsSnapshotDetections}/${Math.round(duration / 1000)})`;
this.console.log(str);
console?.log(str);
}
this.statsSnapshotDetections = 0;
this.statsSnapshotTime = now;
}
constructor(nativeId?: ScryptedNativeId) {
super(nativeId);
process.nextTick(() => {
sdk.deviceManager.onDevicesChanged({
devices: [
{
name: 'FFmpeg Frame Generator',
type: ScryptedDeviceType.Builtin,
interfaces: sharpLib ? [
ScryptedInterface.VideoFrameGenerator,
] : [],
nativeId: 'ffmpeg',
}
]
})
})
}
async getDevice(nativeId: string): Promise<any> {
if (nativeId === 'ffmpeg')
return new FFmpegVideoFrameGenerator('ffmpeg');
}
async releaseDevice(id: string, nativeId: string): Promise<void> {
}
getSettings(): Promise<Setting[]> {
return this.storageSettings.getSettings();
}
putSetting(key: string, value: SettingValue): Promise<void> {
return this.storageSettings.putSetting(key, value);
}
async canMixin(type: ScryptedDeviceType, interfaces: string[]): Promise<string[]> {
if (!interfaces.includes(ScryptedInterface.ObjectDetection))
return;
return [ScryptedInterface.MixinProvider];
}
async getMixin(mixinDevice: ObjectDetection, mixinDeviceInterfaces: ScryptedInterface[], mixinDeviceState: { [key: string]: any; }): Promise<any> {
const model = await mixinDevice.getDetectionModel();
const ret = new ObjectDetectorMixin(mixinDevice, mixinDeviceInterfaces, mixinDeviceState, this, model);
this.currentMixins.add(ret);
return ret;
}
async releaseMixin(id: string, mixinDevice: any): Promise<void> {
// what does this mean to make a mixin provider no longer available?
// just ignore it until reboot?
this.currentMixins.delete(mixinDevice);
}
}
export default ObjectDetectionPlugin;