openvidu-components: Added more background samples

openvidu-components-angular/projects/openvidu-angular/src/lib/services/virtual-background/virtual-background.service.ts

@@ -15,14 +15,23 @@ export class VirtualBackgroundService {
 		{ id: 'soft_blur', type: EffectType.BLUR, thumbnail: 'blur_on', description: 'Blur effect' },
 		{ id: '1', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-1.jpg', src: 'assets/backgrounds/bg-1.jpg' },
 		{ id: '2', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-2.jpg', src: 'assets/backgrounds/bg-2.jpg' },
-		{ id: '3', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-3.jpg', src: 'assets/backgrounds/bg-3.png' },
-		{ id: '4', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-4.jpg', src: 'assets/backgrounds/bg-4.png' },
-		{ id: '5', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-5.jpg', src: 'assets/backgrounds/bg-5.png' },
-		{ id: '6', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-6.jpg', src: 'assets/backgrounds/bg-6.png' },
-		{ id: '7', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-7.jpg', src: 'assets/backgrounds/bg-7.png' },
-		{ id: '8', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-8.jpg', src: 'assets/backgrounds/bg-8.png' },
-		{ id: '9', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-9.jpg', src: 'assets/backgrounds/bg-9.png' },
-		{ id: '10', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-10.jpg', src: 'assets/backgrounds/bg-10.png' }
+		{ id: '3', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-3.jpg', src: 'assets/backgrounds/bg-3.jpg' },
+		{ id: '4', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-4.jpg', src: 'assets/backgrounds/bg-4.jpg' },
+		{ id: '19', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-19.jpg', src: 'assets/backgrounds/bg-19.jpg' },
+		{ id: '5', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-5.jpg', src: 'assets/backgrounds/bg-5.jpg' },
+		{ id: '6', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-6.jpg', src: 'assets/backgrounds/bg-6.jpg' },
+		{ id: '7', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-7.jpg', src: 'assets/backgrounds/bg-7.jpg' },
+		{ id: '8', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-8.jpg', src: 'assets/backgrounds/bg-8.jpg' },
+		{ id: '9', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-9.jpg', src: 'assets/backgrounds/bg-9.jpg' },
+		{ id: '10', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-10.jpg', src: 'assets/backgrounds/bg-10.jpg' },
+		{ id: '11', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-11.jpg', src: 'assets/backgrounds/bg-11.jpg' },
+		{ id: '12', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-12.jpg', src: 'assets/backgrounds/bg-12.jpg' },
+		{ id: '13', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-13.jpg', src: 'assets/backgrounds/bg-13.jpg' },
+		{ id: '14', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-14.jpg', src: 'assets/backgrounds/bg-14.jpg' },
+		{ id: '15', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-15.jpg', src: 'assets/backgrounds/bg-15.jpg' },
+		{ id: '16', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-16.jpg', src: 'assets/backgrounds/bg-16.jpg' },
+		{ id: '17', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-17.jpg', src: 'assets/backgrounds/bg-17.jpg' },
+		{ id: '18', type: EffectType.IMAGE, thumbnail: 'assets/backgrounds/thumbnails/bg-18.jpg', src: 'assets/backgrounds/bg-18.jpg' }
 	];
 
 	constructor(private participantService: ParticipantService, private tokenService: TokenService) {
@@ -33,20 +42,36 @@ export class VirtualBackgroundService {
 		return this.backgrounds;
 	}
 	async applyBackground(effect: BackgroundEffect) {
-		this.backgroundSelected.next(effect.id);
+		if (effect.id !== this.backgroundSelected.getValue()) {
+			const isBackgroundSelected = !!this.backgroundSelected.getValue() && this.backgroundSelected.getValue() !== 'no_effect';
+			let options = { token: this.tokenService.getWebcamToken(), url: '' };
+			if (effect.type === EffectType.IMAGE) {
+				options.url = effect.src;
+			}
 
-		let options = { token: this.tokenService.getWebcamToken(), url: '' };
-		if (effect.type === EffectType.IMAGE) {
-			options.url = effect.src;
+			if (isBackgroundSelected && this.hasSameTypeAsAbove(effect.type)) {
+				this.replaceBackground(effect);
+			} else {
+				await this.removeBackground();
+				await this.participantService.getMyCameraPublisher().stream.applyFilter(`VB:${effect.type.toLowerCase()}`, options);
+			}
+			this.backgroundSelected.next(effect.id);
 		}
-
-		console.log(`VB:${effect.type.toLowerCase()}`);
-		console.log(options)
-		await this.participantService.getMyCameraPublisher().stream.applyFilter(`VB:${effect.type.toLowerCase()}`, options);
 	}
 
 	async removeBackground() {
-		this.backgroundSelected.next('no_effect');
-		await this.participantService.getMyCameraPublisher().stream.removeFilter();
+		if (!!this.backgroundSelected.getValue() && this.backgroundSelected.getValue() !== 'no_effect') {
+			this.backgroundSelected.next('no_effect');
+			await this.participantService.getMyCameraPublisher().stream.removeFilter();
+		}
+	}
+
+	private async replaceBackground(effect: BackgroundEffect) {
+		await this.participantService.getMyCameraPublisher().stream.filter.execMethod('update', { url: effect.src });
+	}
+
+	private hasSameTypeAsAbove(type: EffectType): boolean {
+		const oldEffect = this.backgrounds.find((bg) => bg.id === this.backgroundSelected.getValue());
+		return oldEffect?.type === type;
 	}
 }