Fix prebuffering static mpds (#3405)

* Check if stream is dynamic when trying to prebuffer

* Check if stream is dynamic when trying to prebuffer

Author: dsilhavy

package.json

@@ -1,6 +1,6 @@
 {
   "name": "dashjs",
-  "version": "3.1.3",
+  "version": "3.1.4",
   "description": "A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.",
   "main": "build/es5/index.js",
   "types": "build/typings/index.d.ts",

src/core/Version.js

@@ -1,4 +1,4 @@
-const VERSION = '3.1.3';
+const VERSION = '3.1.4';
 export function getVersionString() {
     return VERSION;
 }

src/streaming/controllers/StreamController.js

@@ -282,7 +282,8 @@ function StreamController() {
                         const mediaInfo = adapter.getMediaInfoForType(stream.getStreamInfo(), mediaType);
                         const voRepresentations = adapter.getVoRepresentations(mediaInfo);
                         voRepresentations.forEach((voRep) => {
-                            const range = timelineConverter.calcSegmentAvailabilityRange(voRep, true);
+                            const isDynamic = adapter.getIsDynamic();
+                            const range = timelineConverter.calcSegmentAvailabilityRange(voRep, isDynamic);
 
                             if (range.end < range.start) {
                                 segmentAvailabilityRangeIsOk = false;