unified-video-framework/packages/web/dist/drm/utils/BrowserDetector.js

Cross-platform video player framework supporting iOS, Android, Web, Smart TVs (Samsung/LG), Roku, and more

import { KEY_SYSTEMS } from '../types/DRMTypes.js';
export class BrowserDetector {
    static async detectCapabilities() {
        const caps = { widevine: false, fairplay: false, playready: false };
        if (typeof navigator === 'undefined' || !navigator.requestMediaKeySystemAccess) {
            return caps;
        }
        const basicConfig = [{
                initDataTypes: ['cenc'],
                videoCapabilities: [{ contentType: 'video/mp4; codecs="avc1.42E01E"' }],
            }];
        const checks = [
            ['widevine', KEY_SYSTEMS.WIDEVINE],
            ['playready', KEY_SYSTEMS.PLAYREADY],
        ];
        for (const [key, system] of checks) {
            try {
                await navigator.requestMediaKeySystemAccess(system, basicConfig);
                caps[key] = true;
            }
            catch { }
        }
        if (typeof window.WebKitMediaKeys !== 'undefined') {
            caps.fairplay = true;
        }
        return caps;
    }
    static isSafari() {
        if (typeof navigator === 'undefined')
            return false;
        const ua = navigator.userAgent;
        return /Safari/.test(ua) && !/Chrome/.test(ua);
    }
}
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