Add TextTracks.getNumberOfTextTracks()

Needed for MediaPlayer.addTextTrack()
Dash-Industry-Forum · Mar 16, 2021 · b32c526 · b32c526
1 parent 400c5a8
commit b32c526
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/src/streaming/MediaPlayer.js b/src/streaming/MediaPlayer.js
@@ -1347,7 +1347,7 @@ function MediaPlayer() {
                 textTrackInfo.kind = getKind();
                 textTrackInfo.roles = mediaInfo.roles;
                 textTrackInfo.accessibility = mediaInfo.accessibility;
-                const totalNrTracks = 2; // (mediaInfos ? mediaInfos.length : 0) + embeddedTracks.length;
+                const totalNrTracks = textTracks.getNumberOfTextTracks() + 1;
                 textTracks.addTextTrack(textTrackInfo, totalNrTracks);
             } else {
                 // ????

diff --git a/src/streaming/text/TextTracks.js b/src/streaming/text/TextTracks.js
@@ -549,6 +549,10 @@ function TextTracks() {
         }
     }
 
+    function getNumberOfTextTracks() {
+        return trackElementArr.length;
+    }
+
     function setCueStyleOnTrack(track) {
         clearCaptionContainer.call(this);
         if (track) {
@@ -684,6 +688,7 @@ function TextTracks() {
         addCaptions: addCaptions,
         getCurrentTrackIdx: getCurrentTrackIdx,
         setCurrentTrackIdx: setCurrentTrackIdx,
+        getNumberOfTextTracks: getNumberOfTextTracks,
         getTrackIdxForId: getTrackIdxForId,
         getCurrentTrackInfo: getCurrentTrackInfo,
         setModeForTrackIdx: setModeForTrackIdx,