Streaming: Avoid infinite loop when no representation is found.

src/api/streaming/04-universal-source.md

@@ -4,7 +4,7 @@ description: 'Encode your streams in a universal format to ensure your media can
 date: 4th March, 2017
 length: '7:43'
 video-sources:
-  - src: https://storage.googleapis.com/wdm-assets/media/04/index.mpd
+  - src: https://storage.googleapis.com/wdm-assets/media/04/manifest.mpd
     type: application/dash+xml
   - src: https://storage.googleapis.com/wdm-assets/media/04/master.m3u8
     type: application/x-mpegURL

src/js/classes/ParserMPD.js

@@ -252,7 +252,7 @@ export default class {
    *
    * @returns {RepresentationObject[]} Representation objects.
    */
-  queryRepresentations(representationQuery, contentType, lang = '') {
+  queryRepresentations(representationQuery, contentType, lang = null) {
     let adaptationSetsQuery = `AdaptationSet[contentType="${contentType}"]`;
     if (lang) adaptationSetsQuery += `[lang="${lang}"]`;
 

src/js/utils/selectRepresentations.js

@@ -45,12 +45,9 @@ export default (parser, opts = {}) => {
       do {
         query = priorities[contentType].shift() || '';
 
-        /**
-         * @todo Support languages other than the hardcoded English.
-         */
-        representations[contentType] = parser.queryRepresentations(query, contentType, 'eng');
+        representations[contentType] = parser.queryRepresentations(query, contentType);
         representations[contentType] = representations[contentType].filter(canPlayFilter);
-      } while (representations[contentType].length === 0);
+      } while (representations[contentType].length === 0 && query);
     },
   );