rx-player
Version:
Canal+ HTML5 Video Player
287 lines (286 loc) • 14 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.
*/
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var can_rely_on_request_media_key_system_access_1 = require("../../../compat/can_rely_on_request_media_key_system_access");
var eme_1 = require("../../../compat/eme");
var generate_init_data_1 = require("../../../compat/generate_init_data");
var log_1 = require("./log");
var decodingInfo_1 = require("./probers/decodingInfo");
var HDCPPolicy_1 = require("./probers/HDCPPolicy");
var isTypeSupportedWithFeatures_1 = require("./probers/isTypeSupportedWithFeatures");
var mediaContentType_1 = require("./probers/mediaContentType");
var mediaDisplayInfos_1 = require("./probers/mediaDisplayInfos");
/**
* A set of API to probe media capabilites.
* Each API allow to evalute a specific feature (HDCP support, decoding infos, etc)
* and relies on different browser API to probe capabilites.
*/
var mediaCapabilitiesProber = {
/**
* Set logger level
* @param {string} level
*/
set LogLevel(level) {
log_1.default.setLevel(level, log_1.default.getFormat());
},
/**
* Get logger level
* @returns {string}
*/
get LogLevel() {
return log_1.default.getLevel();
},
/**
* @param {string} keySystemType - Reverse domain name of the wanted key
* system.
* @param {Array.<MediaKeySystemConfiguration>} keySystemConfiguration - DRM
* configuration wanted.
* @returns {Promise.<MediaKeySystemConfiguration>} - Resolved the
* MediaKeySystemConfiguration actually obtained if the given configuration is
* compatible or a rejected Promise if not.
*/
checkDrmConfiguration: function (keySystemType, keySystemConfiguration) {
return __awaiter(this, void 0, void 0, function () {
var eme, error, mksa, mediaKeys, session, initData, err_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
eme = (0, eme_1.default)("auto");
if (eme === null) {
error = new Error("EME not supported in current environment");
throw error;
}
return [4 /*yield*/, eme.requestMediaKeySystemAccess(keySystemType, keySystemConfiguration)];
case 1:
mksa = _a.sent();
if (!!(0, can_rely_on_request_media_key_system_access_1.canRelyOnRequestMediaKeySystemAccess)(keySystemType)) return [3 /*break*/, 7];
_a.label = 2;
case 2:
_a.trys.push([2, 5, , 6]);
return [4 /*yield*/, mksa.createMediaKeys()];
case 3:
mediaKeys = _a.sent();
session = mediaKeys.createSession();
initData = (0, generate_init_data_1.generatePlayReadyInitData)(generate_init_data_1.DUMMY_PLAY_READY_HEADER);
return [4 /*yield*/, session.generateRequest("cenc", initData)];
case 4:
_a.sent();
session.close().catch(function () {
log_1.default.warn("MediaCapabilitiesProber", "Failed to close the dummy session");
});
return [2 /*return*/, mksa.getConfiguration()];
case 5:
err_1 = _a.sent();
log_1.default.debug("MediaCapabilitiesProber", "KeySystemAccess was granted but it is not usable");
return [2 /*return*/, Promise.reject(new Error("Failed to generare a license-request with this keySystem: " +
(err_1 instanceof Error ? err_1.toString() : "Unknown Error")))];
case 6: return [3 /*break*/, 8];
case 7: return [2 /*return*/, mksa.getConfiguration()];
case 8: return [2 /*return*/];
}
});
});
},
/**
* Get HDCP status. Evaluates if current equipement support given
* HDCP revision.
* @param {string} hdcpVersion - The wanted HDCP version to test (e.g.
* `"1.1"`).
* @returns {Promise.<string>} - Returns a Promise which rejects if the
* browser API we need to rely on unexpectedly fail.
*
* If they resolve, resolve with one of the following string:
*
* - `"Supported"`: The HDCP version is probably supported
*
* - `"NotSupported"`: The HDCP version is probably not supported
*
* - `"Unknown"`: It is unknown if the HDCP version may be supported or not.
*/
getStatusForHDCP: function (hdcpVersion) {
return __awaiter(this, void 0, void 0, function () {
var res, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (hdcpVersion === undefined || hdcpVersion.length === 0) {
throw new Error("Bad Arguments: No HDCP Policy specified.");
}
_b.label = 1;
case 1:
_b.trys.push([1, 3, , 4]);
return [4 /*yield*/, (0, isTypeSupportedWithFeatures_1.default)({ hdcp: hdcpVersion })];
case 2:
res = _b.sent();
switch (res) {
case "NotSupported":
case "Supported":
return [2 /*return*/, res];
case "Unknown":
// continue
break;
}
return [3 /*break*/, 4];
case 3:
_a = _b.sent();
return [3 /*break*/, 4];
case 4: return [2 /*return*/, (0, HDCPPolicy_1.default)(hdcpVersion)];
}
});
});
},
/**
* Get decoding capabilities from a given video and/or audio
* configuration.
* TODO check alongside key system.
* @param {Object} mediaConfig
* @returns {Promise.<string>}
*/
getDecodingCapabilities: function (mediaConfig) {
return __awaiter(this, void 0, void 0, function () {
var config, isCodecSupported, status_1, error, res, _a, res, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
config = {
type: mediaConfig.type,
video: mediaConfig.video,
audio: mediaConfig.audio,
};
isCodecSupported = false;
try {
status_1 = (0, mediaContentType_1.default)(config);
if (status_1 === "Supported") {
isCodecSupported = true;
}
else if (status_1 === "NotSupported") {
return [2 /*return*/, "NotSupported"];
}
}
catch (err) {
error = err instanceof Error ? err : new Error("Unknown error");
log_1.default.error("MediaCapabilitiesProber", "probeContentType failed", error);
}
_c.label = 1;
case 1:
_c.trys.push([1, 3, , 4]);
return [4 /*yield*/, (0, isTypeSupportedWithFeatures_1.default)(config)];
case 2:
res = _c.sent();
if (res === "NotSupported") {
return [2 /*return*/, "NotSupported"];
}
return [3 /*break*/, 4];
case 3:
_a = _c.sent();
return [3 /*break*/, 4];
case 4:
_c.trys.push([4, 6, , 7]);
return [4 /*yield*/, (0, decodingInfo_1.default)(config)];
case 5:
res = _c.sent();
return [2 /*return*/, res];
case 6:
_b = _c.sent();
return [2 /*return*/, isCodecSupported ? "Supported" : "Unknown"];
case 7: return [2 /*return*/];
}
});
});
},
/**
* Get display capabilites. Tells if display can output
* with specific video and/or audio constrains.
* TODO I'm sure there's now newer APIs we can use for this (e.g. CSS etc.)
* @param {Object} displayConfig
* @returns {Promise.<string>}
*/
getDisplayCapabilities: function (displayConfig) {
return __awaiter(this, void 0, void 0, function () {
var config, matchMediaSupported, status_2, res, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
config = { display: displayConfig };
try {
status_2 = (0, mediaDisplayInfos_1.default)(config);
if (status_2 === "Supported") {
matchMediaSupported = true;
}
else {
return [2 /*return*/, "NotSupported"];
}
}
catch (_c) {
// We do not care here
}
_b.label = 1;
case 1:
_b.trys.push([1, 3, , 4]);
return [4 /*yield*/, (0, isTypeSupportedWithFeatures_1.default)(config)];
case 2:
res = _b.sent();
if (res === "NotSupported") {
return [2 /*return*/, "NotSupported"];
}
return [3 /*break*/, 4];
case 3:
_a = _b.sent();
return [3 /*break*/, 4];
case 4: return [2 /*return*/, matchMediaSupported === true ? "Supported" : "Unknown"];
}
});
});
},
};
exports.default = mediaCapabilitiesProber;