update dash loader to expect an array from mpd-parser for MPD.location

src/dash-playlist-loader.js

@@ -629,7 +629,7 @@ export default class DashPlaylistLoader extends EventTarget {
  this.mediaRequest_ = null;
 
  if (!this.masterPlaylistLoader_) {
- this.updateMaster_(parseMasterXml({
+ this.updateMainManifest_(parseMasterXml({
  masterXml: this.masterXml_,
  srcUrl: this.srcUrl,
  clientOffset: this.clientOffset_,
@@ -671,14 +671,22 @@ export default class DashPlaylistLoader extends EventTarget {
  }
 
  /**
- * Given a new manifest, update our pointer to it and update the srcUrl based on the location element of the manifest, if exists.
+ * Given a new manifest, update our pointer to it and update the srcUrl based on the location elements of the manifest, if they exist.
  *
- * @param {Object} updatedMaster the manifest to update to
+ * @param {Object} updatedManifest the manifest to update to
  */
- updateMaster_(updatedMaster) {
- this.master = updatedMaster;
- if (this.master.location && this.master.location !== this.srcUrl) {
- this.srcUrl = this.master.location;
+ updateMainManifest_(updatedManifest) {
+ this.master = updatedManifest;
+
+ // if locations isn't set or is an empty array, exist early
+ if (!this.master.locations || this.master.locations && !this.master.locations.length) {
+ return;
+ }
+
+ const location = this.master.locations[0];
+
+ if (location !== this.srcUrl) {
+ this.srcUrl = location;
  }
  }
 
@@ -772,7 +780,7 @@ export default class DashPlaylistLoader extends EventTarget {
  );
  }
  } else {
- this.updateMaster_(updatedMaster);
+ this.updateMainManifest_(updatedMaster);
  if (this.media_) {
  this.media_ = this.master.playlists[this.media_.id];
  }