bigbluebutton-Github/bigbluebutton-html5/imports/ui/services/virtual-background/service.js
2024-07-12 20:06:49 +00:00

114 lines
3.1 KiB
JavaScript

import deviceInfo from '/imports/utils/deviceInfo';
import browserInfo from '/imports/utils/browserInfo';
import { createVirtualBackgroundService } from '/imports/ui/services/virtual-background';
const BLUR_FILENAME = 'blur.jpg';
const EFFECT_TYPES = {
BLUR_TYPE: 'blur',
IMAGE_TYPE: 'image',
NONE_TYPE: 'none',
}
const FALLBACK_IMAGE = 'green_screen.jpg';
// TODO I'm sure this is centralized somewhere; fetch it from "there" if possible
const BASE_PATH = Meteor.settings.public.app.cdn
+ Meteor.settings.public.app.basename
+ Meteor.settings.public.app.instanceId;
const MODELS = {
model96: {
path: '/resources/tfmodels/segm_lite_v681.tflite',
segmentationDimensions: {
height: 96,
width: 160
}
},
model144: {
path: '/resources/tfmodels/segm_full_v679.tflite',
segmentationDimensions: {
height: 144,
width: 256
}
},
};
const {
thumbnailsPath: THUMBNAILS_PATH = '/resources/images/virtual-backgrounds/thumbnails/',
fileNames: IMAGE_NAMES = ['home.jpg', 'coffeeshop.jpg', 'board.jpg', 'green_screen.jpg'],
storedOnBBB: IS_STORED_ON_BBB = true,
imagesPath: IMAGES_PATH = '/resources/images/virtual-backgrounds/',
showThumbnails: SHOW_THUMBNAILS = true,
} = Meteor.settings.public.virtualBackgrounds;
const createVirtualBackgroundStream = (type, name, isVirtualBackground, stream, customParams) => {
const buildParams = {
backgroundType: type,
backgroundFilename: name,
isVirtualBackground,
customParams,
}
return createVirtualBackgroundService(buildParams).then((service) => {
const effect = service.startEffect(stream)
return { service, effect };
});
}
const getVirtualBackgroundThumbnail = (name) => {
if (name === BLUR_FILENAME) {
return BASE_PATH + '/resources/images/virtual-backgrounds/thumbnails/' + name;
}
return (IS_STORED_ON_BBB ? BASE_PATH : '') + THUMBNAILS_PATH + name;
}
// Stores the last chosen camera effect into the session storage in the following format:
// {
// type: <EFFECT_TYPES>,
// name: effect filename, if any
// }
const setSessionVirtualBackgroundInfo = (type, name, deviceId) => {
return Session.set(`VirtualBackgroundInfo_${deviceId}`, { type, name });
}
const getSessionVirtualBackgroundInfo = (deviceId) => {
return Session.get(`VirtualBackgroundInfo_${deviceId}`) || {
type: EFFECT_TYPES.NONE_TYPE,
};
}
const getSessionVirtualBackgroundInfoWithDefault = (deviceId) => {
return Session.get(`VirtualBackgroundInfo_${deviceId}`) || {
type: EFFECT_TYPES.BLUR_TYPE,
name: BLUR_FILENAME,
};
}
const isVirtualBackgroundSupported = () => {
return !(deviceInfo.isIos || browserInfo.isSafari);
}
const getVirtualBgImagePath = () => {
return (IS_STORED_ON_BBB ? BASE_PATH : '') + IMAGES_PATH;
}
export {
BASE_PATH,
MODELS,
THUMBNAILS_PATH,
SHOW_THUMBNAILS,
IMAGE_NAMES,
IS_STORED_ON_BBB,
IMAGES_PATH,
BLUR_FILENAME,
EFFECT_TYPES,
FALLBACK_IMAGE,
setSessionVirtualBackgroundInfo,
getSessionVirtualBackgroundInfo,
getSessionVirtualBackgroundInfoWithDefault,
isVirtualBackgroundSupported,
createVirtualBackgroundStream,
getVirtualBackgroundThumbnail,
getVirtualBgImagePath,
}