Fix #2608: multiple caption tracks for the same language are not available

src/js/captions.js

@@ -148,8 +148,13 @@ const captions = {
         });
     }
 
+    // Update track by track node if track and language exist
+    if (tracks.includes(currentTrackNode) && languageExists) {
+      captions.setNode.call(this, currentTrackNode);
+      captions.toggle.call(this, active && languageExists);
+    }
     // Update language first time it matches, or if the previous matching track was removed
-    if ((languageExists && this.language !== language) || !tracks.includes(currentTrackNode)) {
+    else if ((languageExists && this.language !== language) || !tracks.includes(currentTrackNode)) {
       captions.setLanguage.call(this, language);
       captions.toggle.call(this, active && languageExists);
     }
@@ -286,6 +291,17 @@ const captions = {
     }
   },
 
+  setNode(input, passive = true) {
+    if (!is.track(input)) {
+      this.debug.warn('Invalid track argument', input);
+      return;
+    }
+
+    // Set currentTrack
+    const tracks = captions.getTracks.call(this);
+    captions.set.call(this, tracks.indexOf(input), passive);
+  },
+
   // Set captions by language
   // Used internally for the language setter with the passive option forced to false
   setLanguage(input, passive = true) {

src/js/plyr.d.ts

@@ -122,6 +122,11 @@ declare class Plyr {
    */
   currentTrack: number;
 
+  /**
+   * Sets the preferred captions node for the player.
+   */
+  nodeTrack: TextTrack;
+
   /**
    * Gets or sets the preferred captions language for the player. The setter accepts an ISO twoletter language code. Support for the languages is dependent on the captions you include.
    * If your captions don't have any language data, or if you have multiple tracks with the same language, you may want to use currentTrack instead.

src/js/plyr.js

@@ -968,6 +968,14 @@ class Plyr {
     return toggled ? currentTrack : -1;
   }
 
+  /**
+   * Set the wanted track node for captions
+   * @param {TextTrack} input - Two character ISO language code (e.g. EN, FR, PT, etc)
+   */
+  set nodeTrack(input) {
+    captions.setNode.call(this, input, false);
+  }
+
   /**
    * Set the wanted language for captions
    * Since tracks can be added later it won't update the actual caption track until there is a matching track