add wavesurfer.getPlaybackRate() (katspaugh#939)

add getPlaybackRate method and return playback rate.
mspae · Mar 6, 2017 · e8d93b5 · e8d93b5
1 parent 2492a64
commit e8d93b5
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/wavesurfer.js b/src/wavesurfer.js
@@ -736,6 +736,15 @@ export default class WaveSurfer extends util.Observer {
         this.backend.setPlaybackRate(rate);
     }
 
+    /**
+     * Get the playback rate.
+     *
+     * @return {number}
+     */
+    getPlaybackRate() {
+        return this.backend.getPlaybackRate();
+    }
+
     /**
      * Toggle the volume on and off. It not currenly muted it will save the
      * current volume value and turn the volume off. If currently muted then it