sp-streams/dist/hls-dash-sync.js

Streamplace Streams for Piping Video Around and Stuff

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.hlsFix = hlsFix;

var _xml2js = require("xml2js");

var _xml2js2 = _interopRequireDefault(_xml2js);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

// xml2js has the weirdest api
var parseXml = function parseXml(str) {
  var out = void 0;
  _xml2js2.default.parseString(str, function (err, result) {
    out = result;
  });
  return out;
};

/**
 * Fixes some faulty fields in our HLS manifests given our DASH manifests.
 */
function hlsFix(_ref) {
  var hls = _ref.hls,
      dash = _ref.dash;

  var xml = parseXml(dash);
  var set = xml.MPD.Period[0].AdaptationSet.find(function (set) {
    return set.$.contentType === "video";
  });
  var videoBandwidth = set.Representation[0].$.bandwidth;
  var hlsLines = hls.split("\n").map(function (line) {
    if (!line.includes("RESOLUTION")) {
      return line;
    }
    return line.replace(/BANDWIDTH=\d+/, "BANDWIDTH=" + videoBandwidth);
  });
  return hlsLines.join("\n");
}