Fix a bug with texttrack selection if only forced subtitles are prese…

…nt (#4556)
Dash-Industry-Forum · Aug 23, 2024 · 97c553b · 97c553b
1 parent d8284f8
commit 97c553b
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/src/streaming/Stream.js b/src/streaming/Stream.js
@@ -981,7 +981,7 @@ function Stream(config) {
                 const mediaInfo = streamProcessors[i].getMediaInfo();
                 if (type === Constants.AUDIO ||
                     type === Constants.VIDEO ||
-                    (type === Constants.TEXT && mediaInfo.isFragmented)) {
+                    (type === Constants.TEXT && mediaInfo && mediaInfo.isFragmented)) {
                     let mediaInfo = streamProcessors[i].getMediaInfo();
                     if (mediaInfo) {
                         protectionController.initializeForMedia(mediaInfo);

diff --git a/src/streaming/controllers/MediaController.js b/src/streaming/controllers/MediaController.js
@@ -652,6 +652,9 @@ function MediaController() {
     }
 
     function _handleInitialTextTrackSelection(mediaInfos) {
+        if (!mediaInfos || mediaInfos.length === 0) {
+            return null;
+        }
         const filteredMediaInfos = mediaInfos.filter((mediaInfo) => {
             if (mediaInfo && mediaInfo.roles && mediaInfo.roles.length > 0) {
                 return mediaInfo.roles.every((role) => {
@@ -665,7 +668,7 @@ function MediaController() {
             return filteredMediaInfos[0];
         }
 
-        return null
+        return mediaInfos[0];
     }
 
     /**