rx-player
Version:
Canal+ HTML5 Video Player
77 lines (76 loc) • 2.83 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 __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseCodec = parseCodec;
var array_find_1 = require("./array_find");
var starts_with_1 = require("./starts_with");
/**
* This function is a shortcut that helps differentiate two codecs
* of the form "audio/mp4;codecs=\"av1.40.2\"".
*
* @param codecA
* @param codecB
* @returns A boolean that tell whether or not those two codecs provided are even.
*/
function areCodecsCompatible(a, b) {
var _a = parseCodec(a), mimeTypeA = _a.mimeType, codecsA = _a.codecs;
var _b = parseCodec(b), mimeTypeB = _b.mimeType, codecsB = _b.codecs;
if (mimeTypeA !== mimeTypeB) {
return false;
}
if (codecsA === "" || codecsB === "") {
return false;
}
var initialPartA = codecsA.split(".")[0];
initialPartA = initialPartA === "hev1" ? "hvc1" : initialPartA;
var initialPartB = codecsB.split(".")[0];
initialPartB = initialPartB === "hev1" ? "hvc1" : initialPartB;
if (initialPartA !== initialPartB) {
return false;
}
return true;
}
var LENGTH_OF_CODEC_PREFIX = "codecs=".length;
function parseCodec(unparsedCodec) {
var _a;
var _b = __read(unparsedCodec.split(";")), mimeType = _b[0], props = _b.slice(1);
var codecs = (_a = (0, array_find_1.default)(props, function (prop) { return (0, starts_with_1.default)(prop, "codecs="); })) !== null && _a !== void 0 ? _a : "";
// remove the 'codecs=' prefix
codecs = codecs.substring(LENGTH_OF_CODEC_PREFIX);
// remove the leading and trailing quote
if (codecs[0] === '"') {
codecs = codecs.substring(1, codecs.length - 1);
}
return { mimeType: mimeType, codecs: codecs };
}
exports.default = areCodecsCompatible;