@svta/common-media-library/dist/drm/keysystem/getLegacyKeySystemAccess.js

A common library for media playback in JavaScript

import { createMediaKeySystemConfiguration } from './createMediaKeySystemConfiguration.js';
import { getSupportedKeySystemConfiguration } from './getSupportedKeySystemConfiguration.js';
/**
 * Fallback method to get key system access using legacy MediaKeys.isTypeSupported().
 *
 * @param requests - An array of key system access requests.
 * @returns A KeySystemAccess object if successful, or null if no system is supported.
 *
 * @group DRM
 * @beta
 */
export function getLegacyKeySystemAccess(requests) {
    for (const { keySystem, configurations } of requests) {
        const supportedConfig = getSupportedKeySystemConfiguration(keySystem, configurations);
        if (supportedConfig) {
            const configuration = createMediaKeySystemConfiguration(supportedConfig.supportedAudio, supportedConfig.supportedVideo);
            return {
                keySystem,
                configurations: [configuration],
            };
        }
    }
    return null;
}
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