rx-player
Version:
Canal+ HTML5 Video Player
167 lines (166 loc) • 9.2 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 __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
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 });
exports.default = generateTextTrackLoader;
var request_1 = require("../../utils/request");
var warn_once_1 = require("../../utils/warn_once");
var add_query_string_1 = require("../utils/add_query_string");
var byte_range_1 = require("../utils/byte_range");
var infer_segment_container_1 = require("../utils/infer_segment_container");
var construct_segment_url_1 = require("./construct_segment_url");
var init_segment_loader_1 = require("./init_segment_loader");
var integrity_checks_1 = require("./integrity_checks");
var load_chunked_segment_data_1 = require("./load_chunked_segment_data");
/**
* Perform requests for "text" segments
* @param {boolean} lowLatencyMode
* @returns {Function}
*/
function generateTextTrackLoader(_a) {
var lowLatencyMode = _a.lowLatencyMode, checkMediaSegmentIntegrity = _a.checkMediaSegmentIntegrity;
return checkMediaSegmentIntegrity !== true
? textTrackLoader
: (0, integrity_checks_1.addSegmentIntegrityChecks)(textTrackLoader);
/**
* @param {Object|null} wantedCdn
* @param {Object} context
* @param {Object} options
* @param {Object} cancelSignal
* @param {Object} callbacks
* @returns {Promise}
*/
function textTrackLoader(wantedCdn, context, options, cancelSignal, callbacks) {
return __awaiter(this, void 0, void 0, function () {
var segment, initialUrl, url, cmcdHeaders, headers, containerType, seemsToBeMP4, data;
var _a, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
segment = context.segment;
initialUrl = (0, construct_segment_url_1.default)(wantedCdn, segment);
if (initialUrl === null) {
return [2 /*return*/, Promise.resolve({
resultType: "segment-created",
resultData: null,
})];
}
if (segment.isInit) {
return [2 /*return*/, (0, init_segment_loader_1.default)(initialUrl, segment, options, cancelSignal, callbacks)];
}
url = ((_a = options.cmcdPayload) === null || _a === void 0 ? void 0 : _a.type) === "query"
? (0, add_query_string_1.default)(initialUrl, options.cmcdPayload.value)
: initialUrl;
cmcdHeaders = ((_b = options.cmcdPayload) === null || _b === void 0 ? void 0 : _b.type) === "headers" ? options.cmcdPayload.value : undefined;
if (segment.range !== undefined) {
headers = __assign(__assign({}, cmcdHeaders), { Range: (0, byte_range_1.default)(segment.range) });
}
else if (cmcdHeaders !== undefined) {
headers = cmcdHeaders;
}
containerType = (0, infer_segment_container_1.default)(context.type, context.mimeType);
seemsToBeMP4 = containerType === "mp4" || containerType === undefined;
if (lowLatencyMode && seemsToBeMP4) {
if ((0, request_1.fetchIsSupported)()) {
return [2 /*return*/, (0, load_chunked_segment_data_1.default)(url, {
headers: headers,
timeout: options.timeout,
connectionTimeout: options.connectionTimeout,
}, callbacks, cancelSignal)];
}
else {
(0, warn_once_1.default)("DASH: Your browser does not have the fetch API. You will have " +
"a higher chance of rebuffering when playing close to the live edge");
}
}
if (!seemsToBeMP4) return [3 /*break*/, 2];
return [4 /*yield*/, (0, request_1.default)({
url: url,
responseType: "arraybuffer",
headers: headers,
timeout: options.timeout,
connectionTimeout: options.connectionTimeout,
onProgress: callbacks.onProgress,
cancelSignal: cancelSignal,
})];
case 1:
data = _c.sent();
return [3 /*break*/, 4];
case 2: return [4 /*yield*/, (0, request_1.default)({
url: url,
responseType: "text",
headers: headers,
timeout: options.timeout,
connectionTimeout: options.connectionTimeout,
onProgress: callbacks.onProgress,
cancelSignal: cancelSignal,
})];
case 3:
data = _c.sent();
_c.label = 4;
case 4: return [2 /*return*/, { resultType: "segment-loaded", resultData: data }];
}
});
});
}
}