1136 lines
32 KiB
TypeScript
1136 lines
32 KiB
TypeScript
import {
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CSSResultGroup,
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LitElement,
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TemplateResult,
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html,
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unsafeCSS,
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PropertyValues,
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} from 'lit';
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import {
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ExtendedHomeAssistant,
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CameraConfig,
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JSMPEGConfig,
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LiveConfig,
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MediaShowInfo,
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WebRTCCardConfig,
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FrigateCardError,
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FrigateCardMediaPlayer,
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LiveOverrides,
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LiveProvider,
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TransitionEffect,
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frigateCardConfigDefaults,
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} from '../types.js';
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import { EmblaOptionsType, EmblaPluginType } from 'embla-carousel';
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import { HomeAssistant } from 'custom-card-helpers';
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import JSMpeg from '@cycjimmy/jsmpeg-player';
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import { Ref, createRef, ref } from 'lit/directives/ref.js';
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import { Task } from '@lit-labs/task';
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import { customElement, property, state } from 'lit/decorators.js';
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import { until } from 'lit/directives/until.js';
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import { AutoMediaPlugin, AutoMediaPluginType } from './embla-plugins/automedia.js';
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import { BrowseMediaUtil } from '../browse-media-util.js';
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import { ConditionState, getOverriddenConfig } from '../card-condition.js';
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import { FrigateCardMediaCarousel } from './media-carousel.js';
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import { FrigateCardNextPreviousControl } from './next-prev-control.js';
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import { Lazyload } from './embla-plugins/lazyload.js';
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import { View } from '../view.js';
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import { localize } from '../localize/localize.js';
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import {
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contentsChanged,
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dispatchErrorMessageEvent,
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dispatchExistingMediaShowInfoAsEvent,
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dispatchMediaShowEvent,
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getCameraIcon,
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getCameraTitle,
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homeAssistantSignPath,
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stopEventFromActivatingCardWideActions,
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} from '../common.js';
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import { renderProgressIndicator } from '../components/message.js';
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import './next-prev-control.js';
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import './title-control.js';
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import liveStyle from '../scss/live.scss';
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import liveFrigateStyle from '../scss/live-frigate.scss';
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import liveJSMPEGStyle from '../scss/live-jsmpeg.scss';
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import liveWebRTCStyle from '../scss/live-webrtc.scss';
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// Number of seconds a signed URL is valid for.
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const URL_SIGN_EXPIRY_SECONDS = 24 * 60 * 60;
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// Number of seconds before the expiry to trigger a refresh.
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const URL_SIGN_REFRESH_THRESHOLD_SECONDS = 1 * 60 * 60;
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@customElement('frigate-card-live')
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export class FrigateCardLive extends LitElement {
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@property({ attribute: false })
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protected hass?: ExtendedHomeAssistant;
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@property({ attribute: false })
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protected view?: Readonly<View>;
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@property({ attribute: false })
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protected cameras?: Map<string, CameraConfig>;
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@property({ attribute: false })
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protected liveConfig?: LiveConfig;
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@property({ attribute: false })
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protected liveOverrides?: LiveOverrides;
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@property({ attribute: false })
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protected conditionState?: ConditionState;
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set preloaded(preloaded: boolean) {
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this._preloaded = preloaded;
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if (!preloaded && this._savedMediaShowInfo) {
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dispatchExistingMediaShowInfoAsEvent(this, this._savedMediaShowInfo);
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}
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}
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// Whether or not the live view is currently being preloaded.
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@state()
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protected _preloaded?: boolean;
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// MediaShowInfo object from the underlying live object. In the case of
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// pre-loading it may be propagated upwards later.
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protected _savedMediaShowInfo?: MediaShowInfo;
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/**
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* Handler for media show events that special cases preloaded live views.
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* @param e The media show event.
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*/
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protected _mediaShowHandler(e: CustomEvent<MediaShowInfo>): void {
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this._savedMediaShowInfo = e.detail;
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if (this._preloaded) {
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// If live is being pre-loaded, don't let the event propagate upwards yet
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// as the media is not really being shown.
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e.stopPropagation();
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}
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}
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/**
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* Master render method.
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* @returns A rendered template.
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*/
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protected render(): TemplateResult | void {
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if (!this.hass || !this.liveConfig || !this.cameras || !this.view) {
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return;
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}
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const config = getOverriddenConfig(
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this.liveConfig,
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this.liveOverrides,
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this.conditionState,
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) as LiveConfig;
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// Does not use getFullDependentBrowseMediaQueryParametersOrDispatchError to
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// ensure that non-Frigate cameras will work in live view (they will not
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// have a Frigate camera name).
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const browseMediaParams = BrowseMediaUtil.getFullDependentBrowseMediaQueryParameters(
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this.hass,
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this.cameras,
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this.view.camera,
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config.controls.thumbnails.media,
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);
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// Notes:
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// - See use of liveConfig and not config below -- the carousel will
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// independently override the liveConfig to reflect the camera in the
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// carousel (not necessarily the selected camera).
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// - Fetching of thumbnails is disabled as long as live view is the
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// background (preloaded) rather than foreground (not preloaded).
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return html` <frigate-card-surround-thumbnails
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.hass=${this.hass}
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.view=${this.view}
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.config=${config.controls.thumbnails}
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.browseMediaParams=${browseMediaParams}
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?fetch=${!this._preloaded}
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>
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<frigate-card-live-carousel
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.hass=${this.hass}
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.view=${this.view}
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.cameras=${this.cameras}
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.liveConfig=${this.liveConfig}
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.preloaded=${this._preloaded}
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.conditionState=${this.conditionState}
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.liveOverrides=${this.liveOverrides}
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@frigate-card:media-show=${this._mediaShowHandler}
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@frigate-card:change-view=${(ev: CustomEvent) => {
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if (this._preloaded) {
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// Don't allow change-view events to propagate upwards if the card
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// is only preloaded rather than being live displayed. These events
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// could be triggered if the camera is switched and the carousel
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// moves to focus on that camera -- as the card isn't actually being
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// displayed, do not allow the view to actually be updated.
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ev.stopPropagation();
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}
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}}
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>
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</frigate-card-live-carousel>
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</frigate-card-surround-thumbnails>`;
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}
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/**
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* Get styles.
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*/
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static get styles(): CSSResultGroup {
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return unsafeCSS(liveStyle);
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}
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}
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@customElement('frigate-card-live-carousel')
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export class FrigateCardLiveCarousel extends FrigateCardMediaCarousel {
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@property({ attribute: false })
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protected hass?: ExtendedHomeAssistant;
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@property({ attribute: false })
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protected view?: Readonly<View>;
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@property({ attribute: false })
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protected cameras?: Map<string, CameraConfig>;
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@property({ attribute: false })
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protected liveConfig?: LiveConfig;
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@property({ attribute: false })
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protected liveOverrides?: LiveOverrides;
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@property({ attribute: false })
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protected preloaded?: boolean;
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@property({ attribute: false })
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protected conditionState?: ConditionState;
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// Index between camera name and slide number.
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protected _cameraToSlide: Record<string, number> = {};
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/**
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* The updated lifecycle callback for this element.
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* @param changedProperties The properties that were changed in this render.
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*/
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updated(changedProperties: PropertyValues): void {
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if (
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this._carousel &&
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(changedProperties.has('cameras') || changedProperties.has('liveConfig'))
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) {
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// All of these properties may fundamentally change the contents/size of
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// the DOM, and the carousel should be reset when they change.
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this._destroyCarousel();
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}
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super.updated(changedProperties);
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if (changedProperties.has('view')) {
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const oldView = changedProperties.get('view') as View | undefined;
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if (
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this._carousel &&
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oldView &&
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this.view?.camera &&
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this.view?.camera != oldView.camera
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) {
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const slide: number | undefined = this._cameraToSlide[this.view.camera];
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if (slide !== undefined && slide !== this.carouselSelected()) {
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this.carouselScrollTo(slide);
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}
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}
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}
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if (changedProperties.has('preloaded')) {
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const automedia = this._plugins['AutoMediaPlugin'] as
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| AutoMediaPluginType
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| undefined;
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if (automedia) {
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// If this has changed to preloaded (i.e. is now loaded but in the
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// background) take the appropriate play/pause/mute/unmute actions.
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if (this.preloaded) {
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if (
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this.liveConfig?.auto_pause &&
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['all', 'unselected'].includes(this.liveConfig.auto_pause)
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) {
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automedia.pause();
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}
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if (
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this.liveConfig?.auto_mute &&
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['all', 'unselected'].includes(this.liveConfig.auto_mute)
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) {
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automedia.mute();
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}
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} else {
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this._autoPlayHandler();
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this._autoUnmuteHandler();
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}
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}
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}
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}
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/**
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* Get the transition effect to use.
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* @returns An TransitionEffect object.
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*/
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protected _getTransitionEffect(): TransitionEffect | undefined {
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return this.liveConfig?.transition_effect;
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}
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/**
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* Get the Embla options to use.
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* @returns An EmblaOptionsType object or undefined for no options.
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*/
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protected _getOptions(): EmblaOptionsType {
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let startIndex = -1;
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if (this.cameras && this.view) {
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startIndex = Array.from(this.cameras.keys()).indexOf(this.view.camera);
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}
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return {
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startIndex: startIndex < 0 ? undefined : startIndex,
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draggable: this.liveConfig?.draggable,
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loop: true,
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};
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}
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/**
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* Get the Embla plugins to use.
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* @returns An EmblaOptionsType object or undefined for no options.
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*/
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protected _getPlugins(): EmblaPluginType[] {
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return [
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...super._getPlugins(),
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Lazyload({
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...(this.liveConfig?.lazy_load && {
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lazyLoadCallback: (index, slide) =>
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this._lazyloadOrUnloadSlide('load', index, slide),
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}),
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lazyUnloadCondition: this.liveConfig?.lazy_unload,
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lazyUnloadCallback: (index, slide) =>
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this._lazyloadOrUnloadSlide('unload', index, slide),
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}),
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AutoMediaPlugin({
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playerSelector: 'frigate-card-live-provider',
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...(this.liveConfig?.auto_play && {
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autoPlayCondition: this.liveConfig.auto_play,
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}),
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...(this.liveConfig?.auto_pause && {
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autoPauseCondition: this.liveConfig.auto_pause,
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}),
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...(this.liveConfig?.auto_mute && {
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autoMuteCondition: this.liveConfig.auto_mute,
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}),
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...(this.liveConfig?.auto_unmute && {
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autoUnmuteCondition: this.liveConfig.auto_unmute,
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}),
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}),
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];
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}
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/**
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* Play the media on the loaded slide.
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*/
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protected _autoPlayHandler(): void {
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if (
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this.liveConfig?.auto_play &&
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['all', 'selected'].includes(this.liveConfig.auto_play)
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) {
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super._autoPlayHandler();
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}
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}
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/**
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* Unmute the media on the loaded slide.
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*/
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protected _autoUnmuteHandler(): void {
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if (
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this.liveConfig?.auto_unmute &&
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['all', 'selected'].includes(this.liveConfig.auto_unmute)
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) {
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super._autoUnmuteHandler();
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}
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}
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/**
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* Returns the number of slides to lazily load. 0 means all slides are lazy
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* loaded, 1 means that 1 slide on each side of the currently selected slide
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* should lazy load, etc. `null` means lazy loading is disabled and everything
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* should load simultaneously.
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* @returns
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*/
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protected _getLazyLoadCount(): number | null {
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// Defaults to fully-lazy loading.
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return this.liveConfig?.lazy_load === false ? null : 0;
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}
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/**
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* Get slides to include in the render.
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* @returns The slides to include in the render and an index keyed by camera
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* name to slide number.
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*/
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protected _getSlides(): [TemplateResult[], Record<string, number>] {
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if (!this.cameras) {
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return [[], {}];
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}
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const slides: TemplateResult[] = [];
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const cameraToSlide: Record<string, number> = {};
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for (const [camera, cameraConfig] of this.cameras) {
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const slide = this._renderLive(camera, cameraConfig, slides.length);
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if (slide) {
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cameraToSlide[camera] = slides.length;
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slides.push(slide);
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}
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}
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return [slides, cameraToSlide];
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}
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/**
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* Handle the user selecting a new slide in the carousel.
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*/
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protected _selectSlideSetViewHandler(): void {
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if (!this._carousel || !this.view || !this.cameras) {
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return;
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}
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const selectedSnap = this._carousel.selectedScrollSnap();
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this.view
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.evolve({
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camera: Array.from(this.cameras.keys())[selectedSnap],
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// Reset the target so thumbnails will be re-fetched.
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target: null,
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childIndex: null,
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})
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.dispatchChangeEvent(this);
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}
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/**
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* Lazy load a slide.
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* @param _index The slide number to lazy load.
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* @param slide The slide to lazy load.
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*/
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protected _lazyloadOrUnloadSlide(
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action: 'load' | 'unload',
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_index: number,
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slide: HTMLElement,
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): void {
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const liveProvider = slide.querySelector(
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'frigate-card-live-provider',
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) as FrigateCardLiveProvider;
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if (liveProvider) {
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liveProvider.disabled = action !== 'load';
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}
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}
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protected _renderLive(
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camera: string,
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cameraConfig: CameraConfig,
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slideIndex: number,
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): TemplateResult | void {
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if (!this.liveConfig) {
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return;
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}
|
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// The conditionState object contains the currently live camera, which (in
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// the carousel for example) is not necessarily the live camera this
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// <frigate-card-live-provider> is rendering right now.
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const conditionState = {
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...this.conditionState,
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camera: camera,
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};
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|
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const config = getOverriddenConfig(
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this.liveConfig,
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this.liveOverrides,
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conditionState,
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) as LiveConfig;
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|
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return html` <div class="embla__slide">
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<frigate-card-live-provider
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?disabled=${this.liveConfig.lazy_load}
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.cameraConfig=${cameraConfig}
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.label=${getCameraTitle(this.hass, cameraConfig)}
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.liveConfig=${config}
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.hass=${this.hass}
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@frigate-card:media-show=${(e: CustomEvent<MediaShowInfo>) =>
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this._mediaShowEventHandler(slideIndex, e)}
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>
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</frigate-card-live-provider>
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</div>`;
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}
|
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|
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protected _getCameraNeighbors(): [CameraConfig | null, CameraConfig | null] {
|
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if (!this.cameras || !this.view || !this.hass) {
|
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return [null, null];
|
|
}
|
|
const keys = Array.from(this.cameras.keys());
|
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const currentIndex = keys.indexOf(this.view.camera);
|
|
|
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if (currentIndex < 0 || this.cameras.size <= 1) {
|
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return [null, null];
|
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}
|
|
|
|
const prev =
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this.cameras.get(
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keys[currentIndex > 0 ? currentIndex - 1 : this.cameras.size - 1],
|
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) ?? null;
|
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const next =
|
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this.cameras.get(
|
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keys[currentIndex + 1 < this.cameras.size ? currentIndex + 1 : 0],
|
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) ?? null;
|
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return [prev, next];
|
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}
|
|
|
|
/**
|
|
* Handle updating of the next/previous controls when the carousel is moved.
|
|
*/
|
|
protected _selectSlideNextPreviousHandler(): void {
|
|
const updateNextPreviousControl = (
|
|
control: FrigateCardNextPreviousControl,
|
|
direction: 'previous' | 'next',
|
|
): void => {
|
|
const [prev, next] = this._getCameraNeighbors();
|
|
const target = direction == 'previous' ? prev : next;
|
|
|
|
control.disabled = target == null;
|
|
control.title = getCameraTitle(this.hass, target);
|
|
control.icon = getCameraIcon(this.hass, target);
|
|
};
|
|
|
|
if (this._previousControlRef.value) {
|
|
updateNextPreviousControl(this._previousControlRef.value, 'previous');
|
|
}
|
|
if (this._nextControlRef.value) {
|
|
updateNextPreviousControl(this._nextControlRef.value, 'next');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Render the element.
|
|
* @returns A template to display to the user.
|
|
*/
|
|
protected render(): TemplateResult | void {
|
|
const [slides, cameraToSlide] = this._getSlides();
|
|
this._cameraToSlide = cameraToSlide;
|
|
if (!slides.length || !this.liveConfig || !this.cameras || !this.view) {
|
|
return;
|
|
}
|
|
|
|
const config = getOverriddenConfig(
|
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this.liveConfig,
|
|
this.liveOverrides,
|
|
this.conditionState,
|
|
) as LiveConfig;
|
|
|
|
const [prev, next] = this._getCameraNeighbors();
|
|
const title = getCameraTitle(this.hass, this.cameras.get(this.view.camera));
|
|
|
|
return html`
|
|
<div class="embla">
|
|
<frigate-card-next-previous-control
|
|
${ref(this._previousControlRef)}
|
|
.direction=${'previous'}
|
|
.controlConfig=${config.controls.next_previous}
|
|
.label=${getCameraTitle(this.hass, prev)}
|
|
.icon=${getCameraIcon(this.hass, prev)}
|
|
?disabled=${prev == null}
|
|
@click=${(ev) => {
|
|
this._nextPreviousHandler('previous');
|
|
stopEventFromActivatingCardWideActions(ev);
|
|
}}
|
|
>
|
|
</frigate-card-next-previous-control>
|
|
<div class="embla__viewport">
|
|
<div class="embla__container">${slides}</div>
|
|
</div>
|
|
<frigate-card-next-previous-control
|
|
${ref(this._nextControlRef)}
|
|
.direction=${'next'}
|
|
.controlConfig=${config.controls.next_previous}
|
|
.label=${getCameraTitle(this.hass, next)}
|
|
.icon=${getCameraIcon(this.hass, next)}
|
|
?disabled=${next == null}
|
|
@click=${(ev) => {
|
|
this._nextPreviousHandler('next');
|
|
stopEventFromActivatingCardWideActions(ev);
|
|
}}
|
|
>
|
|
</frigate-card-next-previous-control>
|
|
</div>
|
|
<frigate-card-title-control
|
|
${ref(this._titleControlRef)}
|
|
.config=${config.controls.title}
|
|
.text="${title ? `${localize('common.live')}: ${title}` : ''}"
|
|
.fitInto=${this as HTMLElement}
|
|
>
|
|
</frigate-card-title-control>
|
|
`;
|
|
}
|
|
}
|
|
|
|
@customElement('frigate-card-live-provider')
|
|
export class FrigateCardLiveProvider extends LitElement {
|
|
@property({ attribute: false })
|
|
protected hass?: ExtendedHomeAssistant;
|
|
|
|
@property({ attribute: false })
|
|
protected cameraConfig?: CameraConfig;
|
|
|
|
@property({ attribute: false })
|
|
protected liveConfig?: LiveConfig;
|
|
|
|
// Whether or not to disable this entity. If `true`, no contents are rendered
|
|
// until this attribute is set to `false` (this is useful for lazy loading).
|
|
@property({ attribute: true, type: Boolean })
|
|
public disabled = false;
|
|
|
|
// Label that is used for ARIA support and as tooltip.
|
|
@property({ attribute: false })
|
|
public label = '';
|
|
|
|
protected _providerRef: Ref<Element & FrigateCardMediaPlayer> = createRef();
|
|
|
|
/**
|
|
* Play the video.
|
|
*/
|
|
public play(): void {
|
|
this._providerRef.value?.play();
|
|
}
|
|
|
|
/**
|
|
* Pause the video.
|
|
*/
|
|
public pause(): void {
|
|
this._providerRef.value?.pause();
|
|
}
|
|
|
|
/**
|
|
* Mute the video.
|
|
*/
|
|
public mute(): void {
|
|
this._providerRef.value?.mute();
|
|
}
|
|
|
|
/**
|
|
* Unmute the video.
|
|
*/
|
|
public unmute(): void {
|
|
this._providerRef.value?.unmute();
|
|
}
|
|
|
|
protected _getResolvedProvider(): LiveProvider {
|
|
if (this.cameraConfig?.live_provider === 'auto') {
|
|
if (
|
|
this.cameraConfig?.webrtc_card?.entity ||
|
|
this.cameraConfig?.webrtc_card?.url
|
|
) {
|
|
return 'webrtc-card';
|
|
} else if (this.cameraConfig?.camera_entity) {
|
|
return 'ha';
|
|
} else if (this.cameraConfig?.camera_name) {
|
|
return 'frigate-jsmpeg';
|
|
}
|
|
return frigateCardConfigDefaults.cameras.live_provider;
|
|
}
|
|
return (
|
|
this.cameraConfig?.live_provider || frigateCardConfigDefaults.cameras.live_provider
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Master render method.
|
|
* @returns A rendered template.
|
|
*/
|
|
protected render(): TemplateResult | void {
|
|
if (this.disabled || !this.hass || !this.liveConfig || !this.cameraConfig) {
|
|
return;
|
|
}
|
|
|
|
// Set title and ariaLabel from the provided label property.
|
|
this.title = this.label;
|
|
this.ariaLabel = this.label;
|
|
|
|
const provider = this._getResolvedProvider();
|
|
|
|
return html`
|
|
${provider == 'ha'
|
|
? html` <frigate-card-live-ha
|
|
${ref(this._providerRef)}
|
|
.hass=${this.hass}
|
|
.cameraConfig=${this.cameraConfig}
|
|
>
|
|
</frigate-card-live-ha>`
|
|
: provider == 'webrtc-card'
|
|
? html`<frigate-card-live-webrtc-card
|
|
${ref(this._providerRef)}
|
|
.hass=${this.hass}
|
|
.cameraConfig=${this.cameraConfig}
|
|
.webRTCConfig=${this.liveConfig.webrtc_card}
|
|
>
|
|
</frigate-card-live-webrtc-card>`
|
|
: html` <frigate-card-live-jsmpeg
|
|
${ref(this._providerRef)}
|
|
.hass=${this.hass}
|
|
.cameraConfig=${this.cameraConfig}
|
|
.jsmpegConfig=${this.liveConfig.jsmpeg}
|
|
>
|
|
</frigate-card-live-jsmpeg>`}
|
|
`;
|
|
}
|
|
}
|
|
|
|
@customElement('frigate-card-live-ha')
|
|
export class FrigateCardLiveFrigate extends LitElement {
|
|
@property({ attribute: false })
|
|
protected hass?: HomeAssistant;
|
|
|
|
@property({ attribute: false })
|
|
protected cameraConfig?: CameraConfig;
|
|
|
|
protected _playerRef: Ref<FrigateCardLiveFrigate> = createRef();
|
|
|
|
/**
|
|
* Play the video.
|
|
*/
|
|
public play(): void {
|
|
this._playerRef.value?.play();
|
|
}
|
|
|
|
/**
|
|
* Pause the video.
|
|
*/
|
|
public pause(): void {
|
|
this._playerRef.value?.pause();
|
|
}
|
|
|
|
/**
|
|
* Mute the video.
|
|
*/
|
|
public mute(): void {
|
|
this._playerRef.value?.mute();
|
|
}
|
|
|
|
/**
|
|
* Unmute the video.
|
|
*/
|
|
public unmute(): void {
|
|
this._playerRef.value?.unmute();
|
|
}
|
|
|
|
/**
|
|
* Master render method.
|
|
* @returns A rendered template.
|
|
*/
|
|
protected render(): TemplateResult | void {
|
|
if (!this.hass) {
|
|
return;
|
|
}
|
|
|
|
if (!this.cameraConfig?.camera_entity) {
|
|
return dispatchErrorMessageEvent(
|
|
this,
|
|
localize('error.no_live_camera'),
|
|
this.cameraConfig,
|
|
);
|
|
}
|
|
|
|
const stateObj = this.hass.states[this.cameraConfig.camera_entity];
|
|
if (!stateObj || stateObj.state === 'unavailable') {
|
|
return dispatchErrorMessageEvent(
|
|
this,
|
|
localize('error.live_camera_unavailable'),
|
|
this.cameraConfig,
|
|
);
|
|
}
|
|
|
|
return html` <frigate-card-ha-camera-stream
|
|
${ref(this._playerRef)}
|
|
.hass=${this.hass}
|
|
.stateObj=${stateObj}
|
|
.controls=${true}
|
|
.muted=${true}
|
|
>
|
|
</frigate-card-ha-camera-stream>`;
|
|
}
|
|
|
|
/**
|
|
* Get styles.
|
|
*/
|
|
static get styles(): CSSResultGroup {
|
|
return unsafeCSS(liveFrigateStyle);
|
|
}
|
|
}
|
|
|
|
// Create a wrapper for AlexxIT's WebRTC card
|
|
// - https://github.com/AlexxIT/WebRTC
|
|
@customElement('frigate-card-live-webrtc-card')
|
|
export class FrigateCardLiveWebRTCCard extends LitElement {
|
|
@property({ attribute: false, hasChanged: contentsChanged })
|
|
protected webRTCConfig?: WebRTCCardConfig;
|
|
|
|
@property({ attribute: false })
|
|
protected cameraConfig?: CameraConfig;
|
|
|
|
protected hass?: HomeAssistant;
|
|
|
|
// A task to await the load of the WebRTC component.
|
|
protected _webrtcTask = new Task(this, this._getWebRTCCardElement, () => [1]);
|
|
|
|
/**
|
|
* Play the video.
|
|
*/
|
|
public play(): void {
|
|
this._getPlayer()
|
|
?.play()
|
|
.catch(() => {
|
|
// WebRTC appears to generate additional spurious load events, which may
|
|
// result in loads after a play() call, which causes the browser to spam
|
|
// the logs unless the promise rejection is handled here.
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Pause the video.
|
|
*/
|
|
public pause(): void {
|
|
this._getPlayer()?.pause();
|
|
}
|
|
|
|
/**
|
|
* Mute the video.
|
|
*/
|
|
public mute(): void {
|
|
const player = this._getPlayer();
|
|
if (player) {
|
|
player.muted = true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Unmute the video.
|
|
*/
|
|
public unmute(): void {
|
|
const player = this._getPlayer();
|
|
if (player) {
|
|
player.muted = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the underlying video player.
|
|
* @returns The player or `null` if not found.
|
|
*/
|
|
protected _getPlayer(): HTMLVideoElement | null {
|
|
return this.renderRoot?.querySelector('#video') as HTMLVideoElement | null;
|
|
}
|
|
|
|
protected async _getWebRTCCardElement(): Promise<
|
|
CustomElementConstructor | undefined
|
|
> {
|
|
await customElements.whenDefined('webrtc-camera');
|
|
return customElements.get('webrtc-camera');
|
|
}
|
|
|
|
/**
|
|
* Create the WebRTC element. May throw.
|
|
*/
|
|
protected _createWebRTC(): HTMLElement | null {
|
|
// eslint-disable-next-line @typescript-eslint/no-explicit-any
|
|
const webrtcElement = this._webrtcTask.value;
|
|
if (webrtcElement && this.hass) {
|
|
const webrtc = new webrtcElement() as HTMLElement & {
|
|
hass: HomeAssistant;
|
|
setConfig: (config: Record<string, unknown>) => void;
|
|
};
|
|
const config = { ...this.webRTCConfig };
|
|
|
|
// If the live WebRTC configuration does not specify a URL/entity to use,
|
|
// then take values from the camera configuration instead (if there are
|
|
// any).
|
|
if (!config.url) {
|
|
config.url = this.cameraConfig?.webrtc_card?.url;
|
|
}
|
|
if (!config.entity) {
|
|
config.entity = this.cameraConfig?.webrtc_card?.entity;
|
|
}
|
|
webrtc.setConfig(config);
|
|
webrtc.hass = this.hass;
|
|
return webrtc;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Master render method.
|
|
* @returns A rendered template.
|
|
*/
|
|
protected render(): TemplateResult | void {
|
|
const render = (): TemplateResult | void => {
|
|
let webrtcElement: HTMLElement | null;
|
|
try {
|
|
webrtcElement = this._createWebRTC();
|
|
} catch (e) {
|
|
return dispatchErrorMessageEvent(
|
|
this,
|
|
e instanceof FrigateCardError
|
|
? (e as FrigateCardError).message
|
|
: localize('error.webrtc_card_reported_error') + ': ' + (e as Error).message,
|
|
);
|
|
}
|
|
return html`${webrtcElement}`;
|
|
};
|
|
|
|
// Use a task to allow us to asynchronously wait for the WebRTC card to
|
|
// load, but yet still have the card load be followed by the updated()
|
|
// lifecycle callback (unlike just using `until`).
|
|
return html`${this._webrtcTask.render({
|
|
initial: () => renderProgressIndicator(localize('error.webrtc_card_waiting')),
|
|
pending: () => renderProgressIndicator(localize('error.webrtc_card_waiting')),
|
|
error: (e: unknown) => dispatchErrorMessageEvent(this, (e as Error).message),
|
|
complete: () => render(),
|
|
})}`;
|
|
}
|
|
|
|
/**
|
|
* Updated lifecycle callback.
|
|
*/
|
|
public updated(): void {
|
|
// Extract the video component after it has been rendered and generate the
|
|
// media load event.
|
|
this.updateComplete.then(() => {
|
|
const video = this._getPlayer();
|
|
if (video) {
|
|
const onloadedmetadata = video.onloadedmetadata;
|
|
|
|
video.onloadedmetadata = (e) => {
|
|
if (onloadedmetadata) {
|
|
onloadedmetadata.call(video, e);
|
|
}
|
|
dispatchMediaShowEvent(this, video);
|
|
};
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Get styles.
|
|
*/
|
|
static get styles(): CSSResultGroup {
|
|
return unsafeCSS(liveWebRTCStyle);
|
|
}
|
|
}
|
|
|
|
@customElement('frigate-card-live-jsmpeg')
|
|
export class FrigateCardLiveJSMPEG extends LitElement {
|
|
@property({ attribute: false })
|
|
protected cameraConfig?: CameraConfig;
|
|
|
|
@property({ attribute: false, hasChanged: contentsChanged })
|
|
protected jsmpegConfig?: JSMPEGConfig;
|
|
|
|
protected hass?: ExtendedHomeAssistant;
|
|
|
|
protected _jsmpegCanvasElement?: HTMLCanvasElement;
|
|
protected _jsmpegVideoPlayer?: JSMpeg.VideoElement;
|
|
protected _refreshPlayerTimerID?: number;
|
|
|
|
/**
|
|
* Play the video.
|
|
*/
|
|
public play(): void {
|
|
this._jsmpegVideoPlayer?.play();
|
|
}
|
|
|
|
/**
|
|
* Pause the video.
|
|
*/
|
|
public pause(): void {
|
|
this._jsmpegVideoPlayer?.stop();
|
|
}
|
|
|
|
/**
|
|
* Mute the video (included for completeness, JSMPEG live disables audio as
|
|
* Frigate does not encode it).
|
|
*/
|
|
public mute(): void {
|
|
const player = this._jsmpegVideoPlayer?.player;
|
|
if (player) {
|
|
player.volume = 0;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Unmute the video (included for completeness, JSMPEG live disables audio as
|
|
* Frigate does not encode it).
|
|
*/
|
|
public unmute(): void {
|
|
const player = this._jsmpegVideoPlayer?.player;
|
|
if (player) {
|
|
player.volume = 1;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get a signed player URL.
|
|
* @returns A URL or null.
|
|
*/
|
|
protected async _getURL(): Promise<string | null> {
|
|
if (!this.hass || !this.cameraConfig?.client_id || !this.cameraConfig?.camera_name) {
|
|
return null;
|
|
}
|
|
|
|
let response: string | null | undefined;
|
|
try {
|
|
response = await homeAssistantSignPath(
|
|
this.hass,
|
|
`/api/frigate/${this.cameraConfig.client_id}` +
|
|
`/jsmpeg/${this.cameraConfig.camera_name}`,
|
|
URL_SIGN_EXPIRY_SECONDS,
|
|
);
|
|
} catch (err) {
|
|
console.warn(err);
|
|
return null;
|
|
}
|
|
if (!response) {
|
|
return null;
|
|
}
|
|
return response.replace(/^http/i, 'ws');
|
|
}
|
|
|
|
/**
|
|
* Create a JSMPEG player.
|
|
* @param url The URL for the player to connect to.
|
|
* @returns A JSMPEG player.
|
|
*/
|
|
protected async _createJSMPEGPlayer(url: string): Promise<JSMpeg.VideoElement> {
|
|
return new Promise<JSMpeg.VideoElement>((resolve) => {
|
|
let videoDecoded = false;
|
|
const player = new JSMpeg.VideoElement(
|
|
this,
|
|
url,
|
|
{
|
|
canvas: this._jsmpegCanvasElement,
|
|
},
|
|
{
|
|
// The media carousel may automatically pause when the browser tab is
|
|
// inactive, JSMPEG does not need to also do so independently.
|
|
pauseWhenHidden: false,
|
|
autoplay: false,
|
|
protocols: [],
|
|
audio: false,
|
|
videoBufferSize: 1024 * 1024 * 4,
|
|
|
|
// Override with user-specified options.
|
|
...this.jsmpegConfig?.options,
|
|
|
|
// Don't allow the player to internally reconnect, as it may re-use a
|
|
// URL with a (newly) invalid signature, e.g. during a Home Assistant
|
|
// restart.
|
|
reconnectInterval: 0,
|
|
onVideoDecode: () => {
|
|
// This is the only callback that is called after the dimensions
|
|
// are available. It's called on every frame decode, so just
|
|
// ignore any subsequent calls.
|
|
if (!videoDecoded && this._jsmpegCanvasElement) {
|
|
videoDecoded = true;
|
|
dispatchMediaShowEvent(this, this._jsmpegCanvasElement);
|
|
resolve(player);
|
|
}
|
|
},
|
|
},
|
|
);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Reset / destroy the player.
|
|
*/
|
|
protected _resetPlayer(): void {
|
|
if (this._refreshPlayerTimerID) {
|
|
window.clearTimeout(this._refreshPlayerTimerID);
|
|
this._refreshPlayerTimerID = undefined;
|
|
}
|
|
if (this._jsmpegVideoPlayer) {
|
|
try {
|
|
this._jsmpegVideoPlayer.destroy();
|
|
} catch (err) {
|
|
// Pass.
|
|
}
|
|
this._jsmpegVideoPlayer = undefined;
|
|
}
|
|
if (this._jsmpegCanvasElement) {
|
|
this._jsmpegCanvasElement.remove();
|
|
this._jsmpegCanvasElement = undefined;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Component connected callback.
|
|
*/
|
|
connectedCallback(): void {
|
|
super.connectedCallback();
|
|
if (this.isConnected) {
|
|
this.requestUpdate();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Component disconnected callback.
|
|
*/
|
|
disconnectedCallback(): void {
|
|
if (!this.isConnected) {
|
|
this._resetPlayer();
|
|
}
|
|
super.disconnectedCallback();
|
|
}
|
|
|
|
/**
|
|
* Refresh the JSMPEG player.
|
|
*/
|
|
protected async _refreshPlayer(): Promise<void> {
|
|
this._resetPlayer();
|
|
|
|
this._jsmpegCanvasElement = document.createElement('canvas');
|
|
this._jsmpegCanvasElement.className = 'media';
|
|
|
|
if (!this.cameraConfig?.camera_name) {
|
|
return dispatchErrorMessageEvent(
|
|
this,
|
|
localize('error.no_camera_name') + `: ${JSON.stringify(this.cameraConfig)}`,
|
|
);
|
|
}
|
|
|
|
const url = await this._getURL();
|
|
if (url) {
|
|
this._jsmpegVideoPlayer = await this._createJSMPEGPlayer(url);
|
|
this._refreshPlayerTimerID = window.setTimeout(() => {
|
|
this.requestUpdate();
|
|
}, (URL_SIGN_EXPIRY_SECONDS - URL_SIGN_REFRESH_THRESHOLD_SECONDS) * 1000);
|
|
} else {
|
|
dispatchErrorMessageEvent(this, localize('error.jsmpeg_no_sign'));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Master render method.
|
|
*/
|
|
protected render(): TemplateResult | void {
|
|
const _render = async (): Promise<TemplateResult | void> => {
|
|
await this._refreshPlayer();
|
|
|
|
if (!this._jsmpegVideoPlayer || !this._jsmpegCanvasElement) {
|
|
return dispatchErrorMessageEvent(this, localize('error.jsmpeg_no_player'));
|
|
}
|
|
return html`${this._jsmpegCanvasElement}`;
|
|
};
|
|
return html`${until(_render(), renderProgressIndicator())}`;
|
|
}
|
|
|
|
/**
|
|
* Get styles.
|
|
*/
|
|
static get styles(): CSSResultGroup {
|
|
return unsafeCSS(liveJSMPEGStyle);
|
|
}
|
|
}
|