biometry-angular-components

Version:
Angular UI component library for capturing biometric data
35 lines • 4.58 kB
JavaScript
import { Injectable } from '@angular/core';
import * as i0 from "@angular/core";
export class RecorderService {
    chunks = [];
    mediaRecorder;
    start(stream, mimeType = 'video/webm') {
        this.chunks = [];
        this.mediaRecorder = new MediaRecorder(stream, { mimeType });
        this.mediaRecorder.ondataavailable = e => { if (e.data.size)
            this.chunks.push(e.data); };
        this.mediaRecorder.start();
    }
    stop() {
        return new Promise(resolve => {
            if (!this.mediaRecorder)
                return resolve(new Blob());
            this.mediaRecorder.onstop = () => resolve(new Blob(this.chunks, { type: this.mediaRecorder?.mimeType }));
            this.mediaRecorder.stop();
        });
    }
    cancel() {
        if (this.mediaRecorder && this.mediaRecorder.state !== 'inactive') {
            this.mediaRecorder.stop();
        }
        this.chunks = [];
        this.mediaRecorder = undefined;
    }
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: RecorderService, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
    static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: RecorderService, providedIn: 'root' });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: RecorderService, decorators: [{
            type: Injectable,
            args: [{ providedIn: 'root' }]
        }] });
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