rx-player
Version:
Canal+ HTML5 Video Player
59 lines (58 loc) • 2.03 kB
JavaScript
/**
* Copyright 2015 CANAL+ Group
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import getEmeApiImplementation from "../../../../compat/eme";
import log from "../log";
/**
* @param {string} hdcpVersion
* @returns {Promise}
*/
export default async function probeHDCPPolicy(hdcpVersion) {
const eme = getEmeApiImplementation("auto");
if (eme === null) {
return Promise.reject(new Error("EME API not available"));
}
const hdcpString = "hdcp-" + hdcpVersion;
const policy = { minHdcpVersion: hdcpString };
const keySystem = "org.w3.clearkey";
const drmConfig = {
initDataTypes: ["cenc"],
audioCapabilities: [
{
contentType: 'audio/mp4;codecs="mp4a.40.2"',
},
],
videoCapabilities: [
{
contentType: 'video/mp4;codecs="avc1.42E01E"',
},
],
};
const mediaKeysSystemAccess = await eme.requestMediaKeySystemAccess(keySystem, [
drmConfig,
]);
const mediaKeys = await mediaKeysSystemAccess.createMediaKeys();
if (!("getStatusForPolicy" in mediaKeys)) {
log.error("MediaCapabilitiesProber", "`MediaKeys.prototype.getStatusForPolicy` API is not available");
throw new Error("MediaKeys.prototype.getStatusForPolicy` API is not available");
}
const result = await mediaKeys.getStatusForPolicy(policy);
if (result === "usable") {
return "Supported";
}
else {
return "NotSupported";
}
}